{"id":255,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/steam-whirl\/"},"modified":"2026-05-23T22:54:27","modified_gmt":"2026-05-23T22:54:27","slug":"steam-whirl","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/cs\/glossary\/steam-whirl\/","title":{"rendered":"Co je to parn\u00ed v\u00edr? Aerodynamick\u00e1 nestabilita v turb\u00edn\u00e1ch"},"content":{"rendered":"<h1>Pochopen\u00ed parn\u00edho v\u00edru v turbosoustroj\u00edch<\/h1>\n\t\t<section class=\"woocommerce hestia-shop products is-shortcode\" id=\"products\" data-sorder=\"hestia_shop\" >\n\t\t\t\t\t\t<div class=\"\">\n\t\t\t\t\t\t<div class=\"hestia-shop-content\">\n\t\t\t<div class=\"row\" data-aos=\"fade-up\" >\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/balanset-1\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/balanset-1\/\" title=\"P\u0159enosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibrac\u00ed Balanset-1A\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Kompletn\u00ed sada p\u0159enosn\u00e9ho vyva\u017eova\u010de a analyz\u00e1toru vibrac\u00ed Balanset-1A\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/cs\/product-category\/devices\/\" rel=\"tag\">Za\u0159\u00edzen\u00ed<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/cs\/product\/balanset-1\/\" title=\"P\u0159enosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibrac\u00ed Balanset-1A\">P\u0159enosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibrac\u00ed Balanset-1A<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,975.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/cs\/wp-json\/wp\/v2\/glossary\/255?add-to-cart=986\" data-quantity=\"1\" data-product_id=\"986\" data-product_sku=\"BS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/cs\/wp-json\/wp\/v2\/glossary\/255?add-to-cart=986\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_986\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"986\" data-product_sku=\"BS-1\" aria-label=\"P\u0159idat do ko\u0161\u00edku: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_986\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/vibration-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/vibration-sensor\/\" title=\"Sn\u00edma\u010d vibrac\u00ed\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Sn\u00edma\u010d vibrac\u00ed Balanset-1A zbl\u00edzka\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/cs\/product\/vibration-sensor\/\" title=\"Sn\u00edma\u010d vibrac\u00ed\">Sn\u00edma\u010d vibrac\u00ed<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>90.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/cs\/wp-json\/wp\/v2\/glossary\/255?add-to-cart=1820\" data-quantity=\"1\" data-product_id=\"1820\" data-product_sku=\"VS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/cs\/wp-json\/wp\/v2\/glossary\/255?add-to-cart=1820\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1820\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1820\" data-product_sku=\"VS-1\" aria-label=\"P\u0159idat do ko\u0161\u00edku: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1820\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/optical-sensor-for-balanset-and-arbalance\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1536x1023.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU.webp 1600w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/cs\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)\">Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>124.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/cs\/wp-json\/wp\/v2\/glossary\/255?add-to-cart=1832\" data-quantity=\"1\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/cs\/wp-json\/wp\/v2\/glossary\/255?add-to-cart=1832\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1832\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" aria-label=\"P\u0159idat do ko\u0161\u00edku: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1832\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/balanset-4\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/balanset-4\/\" title=\"Balanset-4\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Sada pro vyva\u017eov\u00e1n\u00ed rotor\u016f Vibromera: p\u0159epravn\u00ed kuf\u0159\u00edk, v\u00edcekan\u00e1lov\u00fd zesilova\u010d sign\u00e1lu, ru\u010dn\u00ed analyz\u00e1tor, magnetick\u00e1 z\u00e1kladna, vibra\u010dn\u00ed senzory a spir\u00e1lov\u00e9 kabely.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4.webp 640w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/cs\/product-category\/devices\/\" rel=\"tag\">Za\u0159\u00edzen\u00ed<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/cs\/product\/balanset-4\/\" title=\"Balanset-4\">Balanset-4<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>6,803.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/cs\/wp-json\/wp\/v2\/glossary\/255?add-to-cart=1833\" data-quantity=\"1\" data-product_id=\"1833\" data-product_sku=\"BS-4\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/cs\/wp-json\/wp\/v2\/glossary\/255?add-to-cart=1833\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1833\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1833\" data-product_sku=\"BS-4\" aria-label=\"P\u0159idat do ko\u0161\u00edku: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1833\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><!-- \/.row --><div class=\"row\">\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/magnet-stand\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/magnet-stand\/\" title=\"Magnetick\u00fd stojan Insize-60 kgf\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Magnetick\u00e1 z\u00e1kladna.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/cs\/product\/magnet-stand\/\" title=\"Magnetick\u00fd stojan Insize-60 kgf\">Magnetick\u00fd stojan Insize-60 kgf<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>46.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/cs\/wp-json\/wp\/v2\/glossary\/255?add-to-cart=1852\" data-quantity=\"1\" data-product_id=\"1852\" data-product_sku=\"MS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/cs\/wp-json\/wp\/v2\/glossary\/255?add-to-cart=1852\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1852\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1852\" data-product_sku=\"MS-1\" aria-label=\"P\u0159idat do ko\u0161\u00edku: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1852\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/reflective-tape\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/reflective-tape\/\" title=\"Reflexn\u00ed p\u00e1ska\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Reflexn\u00ed p\u00e1ska\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-16x12.webp 16w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/cs\/product\/reflective-tape\/\" title=\"Reflexn\u00ed p\u00e1ska\">Reflexn\u00ed p\u00e1ska<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>10.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/cs\/wp-json\/wp\/v2\/glossary\/255?add-to-cart=2329\" data-quantity=\"1\" data-product_id=\"2329\" data-product_sku=\"rt-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/cs\/wp-json\/wp\/v2\/glossary\/255?add-to-cart=2329\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_2329\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"2329\" data-product_sku=\"rt-1\" aria-label=\"P\u0159idat do ko\u0161\u00edku: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_2329\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/dynamic-balancer-balanset-1a\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamick\u00fd vyva\u017eova\u010d &quot;Balanset-1A&quot; OEM\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Obsah sady Balanset-1A s jednotkou rozhran\u00ed, senzory, ot\u00e1\u010dkom\u011brem a p\u0159\u00edslu\u0161enstv\u00edm\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1024x683.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1536x1024.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-2048x1366.webp 2048w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-e1732998877834.webp 708w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/cs\/product-category\/devices\/\" rel=\"tag\">Za\u0159\u00edzen\u00ed<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/cs\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamick\u00fd vyva\u017eova\u010d &quot;Balanset-1A&quot; OEM\">Dynamick\u00fd vyva\u017eova\u010d \"Balanset-1A\" OEM<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,735.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/cs\/wp-json\/wp\/v2\/glossary\/255?add-to-cart=4193\" data-quantity=\"1\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/cs\/wp-json\/wp\/v2\/glossary\/255?add-to-cart=4193\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_4193\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" aria-label=\"P\u0159idat do ko\u0161\u00edku: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_4193\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/section>\n\t\t\n<p><strong>Parn\u00ed v\u00edr<\/strong> - naz\u00fdvan\u00e1 tak\u00e9 aerodynamick\u00e1 nestabilita p\u0159\u00ed\u010dn\u00e9 vazby nebo t\u011bsnic\u00ed v\u00edr - je <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/self-excited-vibration\/\">samobuzen\u00e9 vibrace<\/a> kter\u00e1 vznik\u00e1 v parn\u00edch a plynov\u00fdch turb\u00edn\u00e1ch, kdy\u017e aerodynamick\u00e9 s\u00edly uvnit\u0159 labyrintov\u00fdch ucp\u00e1vek, v\u016fl\u00ed na konc\u00edch lopatek nebo jin\u00fdch kruhov\u00fdch pr\u016fchod\u016f vytv\u00e1\u0159ej\u00ed destabilizuj\u00edc\u00ed tangenci\u00e1ln\u00ed s\u00edlu na h\u0159\u00eddel. <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/rotor\/\">rotor<\/a>. Jako <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/oil-whirl\/\">olejov\u00fd v\u00edr<\/a> v hydrodynamick\u00fdch lo\u017eisk\u00e1ch, je to forma <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/rotor-instability\/\">nestabilita rotoru<\/a> ve kter\u00e9m se energie nep\u0159etr\u017eit\u011b odeb\u00edr\u00e1 z ust\u00e1len\u00e9ho proudu p\u00e1ry nebo plynu a p\u0159em\u011b\u0148uje se na ob\u011b\u017en\u00fd pohyb h\u0159\u00eddele. V\u00fdsledkem je vysok\u00e1 amplituda <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/sub-synchronous\/\">subsynchronn\u00ed<\/a> <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vibration\/\">vibrace<\/a> na frekvenci bl\u00edzk\u00e9 jedn\u00e9 z vlastn\u00edch frekvenc\u00ed rotoru&#8217;s <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/natural-frequency\/\">vlastn\u00ed frekvence<\/a> - a pokud nen\u00ed rychle odhalena a opravena, m\u016f\u017ee v\u00e9st ke katastrofick\u00e9mu selh\u00e1n\u00ed stroje.<\/p>\n<h2>1. Fyzik\u00e1ln\u00ed mechanismus<\/h2>\n<p>V\u00ed\u0159en\u00ed p\u00e1ry je v podstat\u011b interakc\u00ed mezi kapalinou a strukturou v \u00fazk\u00fdch mezer\u00e1ch t\u011bsn\u011bn\u00ed turb\u00edny. Vyv\u00edj\u00ed se ve t\u0159ech propojen\u00fdch f\u00e1z\u00edch.<\/p>\n<h3>V\u016fle labyrintov\u00e9ho t\u011bsn\u011bn\u00ed<\/h3>\n<ul>\n<li>P\u00e1ra nebo plyn proud\u00ed \u00fazk\u00fdmi prstencov\u00fdmi pr\u016fchody mezi rotuj\u00edc\u00edmi a stacion\u00e1rn\u00edmi sou\u010d\u00e1stmi t\u011bsn\u011bn\u00ed<\/li>\n<li>Na t\u011bsn\u011bn\u00ed p\u016fsob\u00ed vysok\u00fd tlakov\u00fd rozd\u00edl - u velk\u00fdch stroj\u016f \u010dasto 50-200 bar\u016f.<\/li>\n<li>Radi\u00e1ln\u00ed v\u016fle jsou mal\u00e9, obvykle 0,2-0,5 mm.<\/li>\n<li>P\u0159i pr\u016fchodu t\u011bsnic\u00edmi zuby proud\u011bn\u00ed z\u00edsk\u00e1v\u00e1 v\u00edr, tangenci\u00e1ln\u00ed slo\u017eku rychlosti.<\/li>\n<\/ul>\n<h3>Aerodynamick\u00e1 p\u0159\u00ed\u010dn\u00e1 vazba<\/h3>\n<p>Nestabilita vznik\u00e1 v okam\u017eiku, kdy se rotor vych\u00fdl\u00ed ze sv\u00e9 st\u0159edov\u00e9 polohy:<\/p>\n<ul>\n<li>V\u016fle je asymetrick\u00e1 - na jedn\u00e9 stran\u011b men\u0161\u00ed, na opa\u010dn\u00e9 stran\u011b v\u011bt\u0161\u00ed.<\/li>\n<li>Proud\u011bn\u00ed a rozlo\u017een\u00ed tlaku v okol\u00ed t\u011bsn\u011bn\u00ed se st\u00e1vaj\u00ed nerovnom\u011brn\u00fdmi.<\/li>\n<li>\u010cist\u00e1 aerodynamick\u00e1 s\u00edla nab\u00fdv\u00e1 <em>tangenci\u00e1ln\u00ed<\/em> p\u016fsob\u00ed kolmo na posun, nikoliv proti n\u011bmu.<\/li>\n<li>Tato te\u010dn\u00e1 s\u00edla se chov\u00e1 jako destabilizuj\u00edc\u00ed &#8220;z\u00e1porn\u00e1 s\u00edla&#8221;. <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/stiffness\/\">tuhost<\/a>&#8221;, \u010d\u00edm\u017e se rotor posouv\u00e1 po sv\u00e9 dr\u00e1ze, m\u00edsto aby se vracel do st\u0159edu.<\/li>\n<\/ul>\n<h3>Samobuzen\u00e9 vibrace<\/h3>\n<ul>\n<li>Tangenci\u00e1ln\u00ed s\u00edla poh\u00e1n\u00ed rotor do p\u0159edn\u00ed precese. <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/whirl\/\">v\u00edr<\/a> ob\u011b\u017en\u00e1 dr\u00e1ha.<\/li>\n<li>Ob\u011b\u017en\u00e1 frekvence se ust\u00e1l\u00ed v bl\u00edzkosti vlastn\u00ed frekvence, a je tedy subsynchronn\u00ed.<\/li>\n<li>Z proudu p\u00e1ry se nep\u0159etr\u017eit\u011b odeb\u00edr\u00e1 energie pro udr\u017een\u00ed pohybu.<\/li>\n<li>Amplituda roste, dokud nen\u00ed omezena dostupnou v\u016fl\u00ed - nebo selh\u00e1n\u00edm stroje.<\/li>\n<\/ul>\n<h2>2. Podm\u00ednky podporuj\u00edc\u00ed v\u00ed\u0159en\u00ed p\u00e1ry<\/h2>\n<p>Zda se dan\u00fd stroj stane nestabiln\u00edm, z\u00e1vis\u00ed na rovnov\u00e1ze mezi destabilizuj\u00edc\u00edmi silami t\u011bsn\u011bn\u00ed a dostupn\u00fdmi <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/damping\/\">tlumen\u00ed<\/a>. Tuto rovnov\u00e1hu ovliv\u0148uj\u00ed t\u0159i skupiny faktor\u016f.<\/p>\n<h3>Geometrick\u00e9 faktory<\/h3>\n<ul>\n<li><strong>T\u011bsn\u00e9 t\u011bsnic\u00ed v\u016fle:<\/strong> men\u0161\u00ed v\u016fle zp\u016fsobuj\u00ed v\u011bt\u0161\u00ed aerodynamick\u00e9 s\u00edly.<\/li>\n<li><strong>Dlouh\u00e9 d\u00e9lky t\u011bsn\u011bn\u00ed:<\/strong> v\u00edce zub\u016f t\u011bsn\u011bn\u00ed nebo del\u0161\u00ed \u00faseky t\u011bsn\u011bn\u00ed zvy\u0161uj\u00ed destabiliza\u010dn\u00ed s\u00edlu.<\/li>\n<li><strong>Vysok\u00e1 rychlost v\u00ed\u0159en\u00ed:<\/strong> destabilizuj\u00edc\u00ed je zejm\u00e9na proud\u011bn\u00ed vstupuj\u00edc\u00ed do t\u011bsn\u011bn\u00ed s velkou tangenci\u00e1ln\u00ed slo\u017ekou.<\/li>\n<li><strong>Velk\u00e9 pr\u016fm\u011bry t\u011bsn\u011bn\u00ed:<\/strong> v\u011bt\u0161\u00ed polom\u011br zesiluje moment generovan\u00fd aerodynamickou silou.<\/li>\n<\/ul>\n<h3>Provozn\u00ed podm\u00ednky<\/h3>\n<ul>\n<li><strong>Vysok\u00e9 tlakov\u00e9 diferenci\u00e1ly:<\/strong> v\u011bt\u0161\u00ed pokles tlaku na t\u011bsn\u011bn\u00ed zvy\u0161uje s\u00edlu.<\/li>\n<li><strong>Vysok\u00e9 ot\u00e1\u010dky rotoru:<\/strong> odst\u0159ediv\u00e9 \u00fa\u010dinky i rychlost v\u00ed\u0159en\u00ed rostou s rychlost\u00ed.<\/li>\n<li><strong>N\u00edzk\u00e9 tlumen\u00ed lo\u017eisek:<\/strong> nedostate\u010dn\u00e9 tlumen\u00ed nem\u016f\u017ee p\u016fsobit proti t\u011bsnic\u00edm sil\u00e1m.<\/li>\n<li><strong>Podm\u00ednky mal\u00e9ho zat\u00ed\u017een\u00ed:<\/strong> n\u00edzk\u00e9 zat\u00ed\u017een\u00ed lo\u017eisek sni\u017euje \u00fa\u010dinn\u00e9 tlumen\u00ed a <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/journal-bearing\/\">kluzn\u00e9 lo\u017eisko<\/a> m\u016f\u017ee poskytnout.<\/li>\n<\/ul>\n<h3>Charakteristiky rotoru<\/h3>\n<ul>\n<li><strong>Ohebn\u00e9 rotory:<\/strong> a <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/flexible-rotor\/\">pru\u017en\u00fd rotor<\/a> b\u011b\u017e\u00ed nad jeho <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/critical-speed\/\">kritick\u00e9 rychlosti<\/a> je n\u00e1chyln\u011bj\u0161\u00ed.<\/li>\n<li><strong>Syst\u00e9my s n\u00edzk\u00fdm tlumen\u00edm:<\/strong> minim\u00e1ln\u00ed konstruk\u010dn\u00ed nebo lo\u017eiskov\u00e9 tlumen\u00ed nezanech\u00e1v\u00e1 nic, co by pohlcovalo energii.<\/li>\n<li><strong>Vysok\u00fd pom\u011br d\u00e9lky k pr\u016fm\u011bru:<\/strong> \u0161t\u00edhl\u00e9 rotory jsou ze sv\u00e9 podstaty n\u00e1chyln\u011bj\u0161\u00ed k nestabilit\u011b.<\/li>\n<\/ul>\n<h2>3. Diagnostick\u00e9 charakteristiky<\/h2>\n<h3>Vibra\u010dn\u00ed podpis<\/h3>\n<p>V\u00ed\u0159en\u00ed p\u00e1ry zanech\u00e1v\u00e1 v\u00fdrazn\u00fd vzor, kter\u00fd <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vibration-analysis\/\">anal\u00fdza vibrac\u00ed<\/a> lze s jistotou rozpoznat:<\/p>\n<table border=\"1\" style=\"width:100%; border-collapse:collapse;\">\n<tr>\n<th>Parametr<\/th>\n<th>Charakteristika<\/th>\n<\/tr>\n<tr>\n<td>Frekvence<\/td>\n<td>Subsynchronn\u00ed, typicky 0,3-0,6\u00d7 rychlost chodu, \u010dasto s uzam\u010den\u00edm na p\u0159irozen\u00e9 frekvenci.<\/td>\n<\/tr>\n<tr>\n<td>Amplituda<\/td>\n<td>Vysok\u00e1 \u2013 \u010dasto 5\u201320n\u00e1sobek vibrace b\u011b\u017en\u00e9 nevyv\u00e1\u017eenosti<\/td>\n<\/tr>\n<tr>\n<td>Po\u010d\u00e1tek<\/td>\n<td>N\u00e1hl\u00e9 p\u0159ekro\u010den\u00ed prahov\u00e9 rychlosti nebo tlaku<\/td>\n<\/tr>\n<tr>\n<td>Z\u00e1vislost na rychlosti<\/td>\n<td>Frekvence se m\u016f\u017ee zablokovat a odm\u00edtnout sledovat zm\u011bny rychlosti.<\/td>\n<\/tr>\n<tr>\n<td>Orbita<\/td>\n<td>Velk\u00e1 kruhov\u00e1 nebo eliptick\u00e1, dop\u0159edn\u00e1 precese<\/td>\n<\/tr>\n<tr>\n<td>Spektrum<\/td>\n<td>Dominantn\u00ed subsynchronn\u00ed vrchol<\/td>\n<\/tr>\n<\/table>\n<h3>Rozli\u0161en\u00ed od jin\u00fdch nestabilit<\/h3>\n<ul>\n<li><strong>vs. v\u00ed\u0159en\u00ed oleje \/ \u0161leh\u00e1n\u00ed:<\/strong> v\u00ed\u0159en\u00ed p\u00e1ry se vyskytuje u turb\u00edn s labyrintov\u00fdm t\u011bsn\u011bn\u00edm, zat\u00edmco v\u00ed\u0159en\u00ed oleje se vyskytuje u hladk\u00fdch turb\u00edn. <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/journal-bearing\/\">kluzn\u00e1 lo\u017eiska<\/a>.<\/li>\n<li><strong>vs. nerovnov\u00e1ha:<\/strong> v\u00ed\u0159en\u00ed p\u00e1ry je subsynchronn\u00ed, zat\u00edmco <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/imbalance\/\">nevyv\u00e1\u017eenost<\/a> je 1\u00d7 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/synchronous-vibration\/\">synchronn\u00ed<\/a> reakce.<\/li>\n<li><strong>vs. t\u0159en\u00ed:<\/strong> v\u00ed\u0159en\u00ed p\u00e1ry m\u016f\u017ee prob\u00edhat bez jak\u00e9hokoli kontaktu a jeho frekvence je stabiln\u011bj\u0161\u00ed ne\u017e nepravideln\u00e9 vibrace t\u0159en\u00ed. <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/rotor-rub\/\">t\u0159en\u00ed rotoru<\/a>.<\/li>\n<\/ul>\n<h2>4. Metody prevence a zm\u00edr\u0148ov\u00e1n\u00ed n\u00e1sledk\u016f<\/h2>\n<p>V\u011bt\u0161ina protiopat\u0159en\u00ed se zam\u011b\u0159uje na jeden ze dvou c\u00edl\u016f: sn\u00ed\u017eit destabilizuj\u00edc\u00ed v\u00edr u zdroje nebo p\u0159idat tlumen\u00ed, aby jej rotor mohl absorbovat. Prvn\u00ed c\u00edl \u0159e\u0161\u00ed konstrukce t\u011bsn\u011bn\u00ed, druh\u00fd zlep\u0161en\u00ed lo\u017eisek a provozn\u00ed omezen\u00ed.<\/p>\n<h3>\u00dapravy konstrukce t\u011bsn\u011bn\u00ed<\/h3>\n<ul>\n<li><strong>Za\u0159\u00edzen\u00ed proti v\u00ed\u0159en\u00ed (brzdy v\u00ed\u0159en\u00ed):<\/strong> stacion\u00e1rn\u00ed lopatky nebo p\u0159ep\u00e1\u017eky um\u00edst\u011bn\u00e9 p\u0159ed t\u011bsn\u011bn\u00edm odv\u00e1d\u011bj\u00ed tangenci\u00e1ln\u00ed rychlost z proud\u00edc\u00edho vzduchu, \u010d\u00edm\u017e se prudce sni\u017euje p\u0159\u00ed\u010dn\u00e1 spojovac\u00ed s\u00edla. Jedn\u00e1 se o nej\u00fa\u010dinn\u011bj\u0161\u00ed a nejb\u011b\u017en\u011bj\u0161\u00ed \u0159e\u0161en\u00ed.<\/li>\n<li><strong>Vo\u0161tinov\u00e1 t\u011bsn\u011bn\u00ed:<\/strong> nahrazen\u00ed hladk\u00fdch labyrint\u016f vo\u0161tinovou strukturou vytv\u00e1\u0159\u00ed turbulence, kter\u00e9 rozptyluj\u00ed energii v\u00edru a zvy\u0161uj\u00ed efektivn\u00ed tlumen\u00ed v oblasti t\u011bsn\u011bn\u00ed; \u0161iroce se pou\u017e\u00edv\u00e1 v modern\u00edch plynov\u00fdch turb\u00edn\u00e1ch.<\/li>\n<li><strong>Zv\u011bt\u0161en\u00e9 v\u016fle t\u011bsn\u011bn\u00ed:<\/strong> v\u011bt\u0161\u00ed radi\u00e1ln\u00ed v\u016fle oslabuj\u00ed aerodynamickou s\u00edlu, ale za cenu v\u011bt\u0161\u00edho \u00faniku a ni\u017e\u0161\u00ed \u00fa\u010dinnosti turb\u00edny, tak\u017ee se obvykle jedn\u00e1 pouze o do\u010dasn\u00e9 opat\u0159en\u00ed.<\/li>\n<li><strong>T\u011bsn\u011bn\u00ed tlumi\u010d\u016f:<\/strong> speci\u00e1ln\u011b navr\u017een\u00e1 t\u011bsn\u011bn\u00ed - kapesn\u00ed tlumic\u00ed t\u011bsn\u011bn\u00ed a t\u011bsn\u011bn\u00ed s otvorov\u00fdm vzorem - kter\u00e1 zaji\u0161\u0165uj\u00ed tlumen\u00ed a z\u00e1rove\u0148 t\u011bsn\u00ed a dod\u00e1vaj\u00ed stabiliza\u010dn\u00ed s\u00edlu proti k\u0159\u00ed\u017eov\u00e9 spojce.<\/li>\n<\/ul>\n<h3>Vylep\u0161en\u00ed lo\u017eiskov\u00e9ho syst\u00e9mu<\/h3>\n<ul>\n<li><strong>Zvy\u0161te tlumen\u00ed lo\u017eisek:<\/strong> namontovat lo\u017eiska nakl\u00e1p\u011bc\u00edch podlo\u017eek nebo p\u0159idat <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/squeeze-film-damper\/\">tlumi\u010de s lisovac\u00edm filmem<\/a>.<\/li>\n<li><strong>P\u0159edp\u011bt\u00ed lo\u017eiska:<\/strong> pou\u017eit\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/preload\/\">p\u0159edp\u011bt\u00ed<\/a> zvy\u0161uje efektivn\u00ed tuhost i tlumen\u00ed.<\/li>\n<li><strong>Optimalizovan\u00e1 konstrukce lo\u017eisek:<\/strong> v\u00fdb\u011br typu a konfigurace lo\u017eiska pro maxim\u00e1ln\u00ed rezervu stability.<\/li>\n<\/ul>\n<h3>Provozn\u00ed opat\u0159en\u00ed<\/h3>\n<ul>\n<li><strong>Rychlostn\u00ed omezen\u00ed:<\/strong> udr\u017eovat provozn\u00ed rychlost pod hranic\u00ed nestability.<\/li>\n<li><strong>\u0158\u00edzen\u00ed zat\u00ed\u017een\u00ed:<\/strong> vyhnout se chodu p\u0159i n\u00edzk\u00e9m zat\u00ed\u017een\u00ed, kter\u00e9 by z lo\u017eisek odstranilo tlumen\u00ed.<\/li>\n<li><strong>Kontrola tlaku:<\/strong> sn\u00ed\u017eit tlakov\u00e9 rozd\u00edly v t\u011bsn\u011bn\u00ed, pokud to proces umo\u017e\u0148uje.<\/li>\n<li><strong>Nep\u0159etr\u017eit\u00e9 monitorov\u00e1n\u00ed:<\/strong> v re\u00e1ln\u00e9m \u010dase <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/condition-monitoring\/\">monitorov\u00e1n\u00ed stavu<\/a> s vyhrazen\u00fdmi subsynchronn\u00edmi alarmy.<\/li>\n<\/ul>\n<h2>5. Detekce a nouzov\u00e9 opat\u0159en\u00ed<\/h2>\n<h3>V\u010dasn\u00e9 varovn\u00e9 sign\u00e1ly<\/h3>\n<ul>\n<li>Ve vibrac\u00edch se za\u010d\u00ednaj\u00ed objevovat mal\u00e9 subsynchronn\u00ed \u0161pi\u010dky. <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/spectrum\/\">spektrum<\/a>.<\/li>\n<li>P\u0159eru\u0161ovan\u00e9 vysokofrekven\u010dn\u00ed slo\u017eky.<\/li>\n<li>Postupn\u00fd n\u00e1r\u016fst celkov\u00e9 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vibration-severity\/\">z\u00e1va\u017enost vibrac\u00ed<\/a> jakmile se rychlost p\u0159ibl\u00ed\u017e\u00ed k prahov\u00e9 hodnot\u011b.<\/li>\n<li>Zm\u011bny v <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/orbit\/\">orbita<\/a> tvaru zachycen\u00e9ho sondami proximity.<\/li>\n<\/ul>\n<h3>Okam\u017eit\u00e9 kroky p\u0159i zji\u0161t\u011bn\u00ed v\u00ed\u0159en\u00ed p\u00e1ry<\/h3>\n<ol>\n<li><strong>Sni\u017ete rychlost:<\/strong> okam\u017eit\u011b sn\u00ed\u017eit rychlost pod prahovou hodnotu.<\/li>\n<li><strong>Neot\u00e1lejte:<\/strong> amplituda m\u016f\u017ee nar\u016fst z p\u0159ijateln\u00e9 na destruktivn\u00ed b\u011bhem 30-60 sekund.<\/li>\n<li><strong>Nouzov\u00e9 vypnut\u00ed:<\/strong> vypn\u011bte stroj, pokud je sn\u00ed\u017een\u00ed ot\u00e1\u010dek nedostate\u010dn\u00e9 nebo nemo\u017en\u00e9.<\/li>\n<li><strong>Zaznamenejte ud\u00e1lost:<\/strong> zaznamenejte rychlost p\u0159i n\u00e1stupu, frekvenci, \u0161pi\u010dkovou amplitudu a provozn\u00ed podm\u00ednky.<\/li>\n<li><strong>Nerestartujte:<\/strong> stroj odstavit, dokud nebude zji\u0161t\u011bna a odstran\u011bna hlavn\u00ed p\u0159\u00ed\u010dina.<\/li>\n<\/ol>\n<h3>Kam se hod\u00ed ter\u00e9nn\u00ed p\u0159\u00edstroje<\/h3>\n<p>Trvale instalovan\u00e9 ochrann\u00e9 syst\u00e9my zvl\u00e1dnou vypnut\u00ed ve zlomku sekundy, ale p\u0159enosn\u00fd dvoukan\u00e1lov\u00fd analyz\u00e1tor je neoceniteln\u00fd pro zkoum\u00e1n\u00ed nestability po zastaven\u00ed stroje a pro n\u00e1sledn\u00e9 kontroly uveden\u00ed do provozu. P\u0159\u00edstroj jako nap\u0159. <a href=\"https:\/\/vibromera.eu\/cs\/produkt\/balanset-1\/\">Balanset-1A<\/a> zachycuje spektrum FFT, aby potvrdil subsynchronn\u00ed \u0161pi\u010dku, sleduje jej\u00ed amplitudu b\u011bhem \u0159\u00edzen\u00e9ho n\u00e1b\u011bhu a umo\u017e\u0148uje in\u017een\u00fdrovi nejprve vylou\u010dit 1\u00d7 frekvenci <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/imbalance\/\">nevyv\u00e1\u017eenost<\/a> probl\u00e9m - m\u011b\u0159en\u00edm amplitudy a f\u00e1ze p\u0159i provozn\u00ed rychlosti - p\u0159ed t\u00edm, ne\u017e se vibrace p\u0159isoud\u00ed skute\u010dn\u00e9 nestabilit\u011b samobuzen\u00e9ho t\u011bsn\u011bn\u00ed. Odd\u011blen\u00ed b\u011b\u017en\u00e9 nevyv\u00e1\u017eenosti, kter\u00e1 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vyrovnavani-poli\/\">vyva\u017eov\u00e1n\u00ed na m\u00edst\u011b<\/a> m\u016f\u017ee vyl\u00e9\u010dit, od skute\u010dn\u00e9ho v\u00ed\u0159en\u00ed p\u00e1ry, kter\u00e9 nem\u016f\u017ee, je rozhoduj\u00edc\u00edm diagnostick\u00fdm krokem na po\u010d\u00e1tku.<\/p>\n<h2>6. Odv\u011btv\u00ed, aplikace a souvisej\u00edc\u00ed jevy<\/h2>\n<p>Parn\u00ed v\u00edr je zvl\u00e1\u0161t\u011b problematick\u00fd v:<\/p>\n<ul>\n<li><strong>V\u00fdroba elekt\u0159iny:<\/strong> velk\u00e9 parn\u00ed turbogener\u00e1tory.<\/li>\n<li><strong>Petrochemick\u00fd:<\/strong> parn\u00ed kompresory a \u010derpadla.<\/li>\n<li><strong>Plynov\u00e9 turb\u00edny:<\/strong> leteck\u00e9 motory a pr\u016fmyslov\u00e9 plynov\u00e9 turb\u00edny.<\/li>\n<li><strong>Zpracovatelsk\u00fd pr\u016fmysl:<\/strong> jak\u00e1koli vysokorychlostn\u00ed lopatkov\u00e1 za\u0159\u00edzen\u00ed vybaven\u00e1 labyrintov\u00fdmi t\u011bsn\u011bn\u00edmi.<\/li>\n<\/ul>\n<p>Pat\u0159\u00ed tak\u00e9 do rodiny \u00fazce souvisej\u00edc\u00edch nestabilit. <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/oil-whirl\/\">Olejov\u00fd v\u00edr<\/a> m\u00e1 stejn\u00fd destabiliza\u010dn\u00ed mechanismus, ale v olejov\u00e9m filmu lo\u017eiska, nikoli v t\u011bsn\u011bn\u00ed; <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/shaft-whip\/\">h\u0159\u00eddelov\u00fd bi\u010d<\/a> vykazuj\u00ed stejn\u00e9 zafixov\u00e1n\u00ed frekvence na vlastn\u00ed frekvenci; a v\u0161echny pat\u0159\u00ed do \u0161ir\u0161\u00ed kategorie samobuzen\u00fdch kmit\u016f <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/rotor-instability\/\">nestabilita rotoru<\/a>. A\u010dkoli pokrok v technologii t\u011bsn\u011bn\u00ed a konstrukci lo\u017eisek sn\u00ed\u017eil \u010detnost v\u00fdskytu tohoto jevu, pochopen\u00ed v\u00ed\u0159en\u00ed p\u00e1ry je i nad\u00e1le z\u00e1sadn\u00ed pro ka\u017ed\u00e9ho, kdo konstruuje nebo provozuje vysokorychlostn\u00ed vysokotlak\u00e9 lopatkov\u00e9 stroje.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/cs\/glossary\/\">\u2190 Zp\u011bt na hlavn\u00ed index<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Seznamte se s parn\u00edm v\u00edrem, co\u017e je samobuzen\u00e1 vibra\u010dn\u00ed nestabilita v parn\u00edch turb\u00edn\u00e1ch zp\u016fsoben\u00e1 aerodynamick\u00fdmi k\u0159\u00ed\u017eov\u00fdmi silami v labyrintov\u00fdch t\u011bsn\u011bn\u00edch a v\u016flemi na \u0161pi\u010dk\u00e1ch lopatek.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-255","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/255","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/255\/revisions"}],"predecessor-version":[{"id":101413,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/255\/revisions\/101413"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/media?parent=255"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/categories?post=255"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/tags?post=255"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}