{"id":121,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/flow-turbulence\/"},"modified":"2026-05-23T22:43:04","modified_gmt":"2026-05-23T22:43:04","slug":"flow-turbulence","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/cs\/glossary\/flow-turbulence\/","title":{"rendered":"Co je turbulence proud\u011bn\u00ed? Nestabiln\u00ed vibrace v proud\u011bn\u00ed"},"content":{"rendered":"<h1>Pochopen\u00ed turbulence proud\u011bn\u00ed<\/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\/121?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\/121?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\/121?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\/121?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\/121?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\/121?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\/121?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\/121?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\/121?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\/121?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\/121?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\/121?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\/121?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\/121?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>Turbulence proud\u011bn\u00ed<\/strong> je chaotick\u00fd, nepravideln\u00fd pohyb tekutiny \u2013 n\u00e1hodn\u00e9 v\u00fdkyvy rychlosti, v\u00ed\u0159\u00edc\u00ed v\u00edry a v\u00edry \u2013 uvnit\u0159 \u010derpadel, ventil\u00e1tor\u016f, kompresor\u016f a potrubn\u00edch syst\u00e9m\u016f. Na rozd\u00edl od plynul\u00e9ho lamin\u00e1rn\u00edho proud\u011bn\u00ed, p\u0159i kter\u00e9m se \u010d\u00e1stice tekutiny pohybuj\u00ed po uspo\u0159\u00e1dan\u00fdch rovnob\u011b\u017en\u00fdch drah\u00e1ch, je turbulentn\u00ed proud\u011bn\u00ed skute\u010dn\u011b trojrozm\u011brn\u00e9 a n\u00e1hodn\u00e9, p\u0159i\u010dem\u017e rychlost a tlak se neust\u00e1le m\u011bn\u00ed z okam\u017eiku na okam\u017eik. U rotuj\u00edc\u00edch stroj\u016f m\u00e1 tato neklidnost z\u00e1sadn\u00ed v\u00fdznam: turbulence p\u016fsob\u00ed na ob\u011b\u017en\u00e1 kola a lopatky nestacion\u00e1rn\u00ed s\u00edly, co\u017e vede k \u0161irokop\u00e1smov\u00e9mu <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vibration\/\">vibrace<\/a> a hluk, disipaci energie a urychluje \u00fanavu sou\u010d\u00e1st\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/fatigue\/\">\u00fanava<\/a>. Ur\u010dit\u00e1 m\u00edra turbulence je nevyhnuteln\u00e1 a \u010dasto dokonce \u017e\u00e1douc\u00ed \u2013 podporuje prom\u00edch\u00e1v\u00e1n\u00ed a p\u0159enos tepla \u2013, av\u0161ak nadm\u011brn\u00e1 turbulence zp\u016fsoben\u00e1 nevhodn\u00fdmi vstupn\u00edmi podm\u00ednkami, provozem mimo jmenovit\u00fd re\u017eim nebo odtr\u017een\u00edm proudu zp\u016fsobuje probl\u00e9my s vibracemi, sni\u017euje \u00fa\u010dinnost a urychluje mechanick\u00e9 opot\u0159eben\u00ed.<\/p>\n<h2>1. Definice: Co je to turbulentn\u00ed proud\u011bn\u00ed?<\/h2>\n<p>Z diagnostick\u00e9ho hlediska je charakteristick\u00fdm rysem turbulence to, \u017ee se jedn\u00e1 o <em>\u0161irokop\u00e1smov\u00fd<\/em>. Mechanick\u00e1 z\u00e1vada, jako nap\u0159\u00edklad <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/unbalance\/\">nevyv\u00e1\u017eenost<\/a> soust\u0159ed\u00ed svou energii na ur\u010ditou frekvenci; turbulence rozptyluje energii do \u0161irok\u00e9ho p\u00e1sma, \u010d\u00edm\u017e zvy\u0161uje celkovou \u00farove\u0148 \u0161umu <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/spectrum\/\">vibra\u010dn\u00ed spektrum<\/a> nam\u00edsto vzniku ostr\u00e9ho vrcholu (\u0161pi\u010dky) ve spektru. Pr\u00e1v\u011b d\u00edky tomuto rozli\u0161en\u00ed m\u016f\u017ee analytik konstatovat: \u201eJedn\u00e1 se o probl\u00e9m s pr\u016ftokem, nikoli o mechanick\u00fd probl\u00e9m&#8221; \u2013 a zam\u011b\u0159it \u0159e\u0161en\u00ed sp\u00ed\u0161e na provozn\u00ed podm\u00ednky a potrubn\u00ed rozvody ne\u017e na lo\u017eiska a vyva\u017eovac\u00ed z\u00e1va\u017e\u00ed.<\/p>\n<h2>2. Charakteristika turbulentn\u00edho proud\u011bn\u00ed<\/h2>\n<h3>P\u0159echod mezi re\u017eimy proud\u011bn\u00ed<\/h3>\n<p>Proud\u011bn\u00ed p\u0159ech\u00e1z\u00ed z lamin\u00e1rn\u00edho do turbulentn\u00edho v z\u00e1vislosti na Reynoldsov\u011b \u010d\u00edsle:<\/p>\n<ul>\n<li><strong>Reynoldsovo \u010d\u00edslo (Re):<\/strong> Re = (\u03c1 \u00d7 V \u00d7 D) \/ \u00b5.<\/li>\n<li>Kde \u03c1 = hustota, V = rychlost, D = charakteristick\u00fd rozm\u011br, \u00b5 = viskozita<\/li>\n<li><strong>Lamin\u00e1rn\u00ed proud\u011bn\u00ed:<\/strong> Re pod 2300 (plynul\u00e9, uspo\u0159\u00e1dan\u00e9).<\/li>\n<li><strong>P\u0159echodn\u00e9:<\/strong> Re od 2300 do 4000.<\/li>\n<li><strong>Turbulentn\u00ed proud\u011bn\u00ed:<\/strong> Nad 4000 (chaotick\u00e9, nepravideln\u00e9).<\/li>\n<li><strong>Pr\u016fmyslov\u00e9 stroje:<\/strong> t\u00e9m\u011b\u0159 v\u017edy pracuje jednozna\u010dn\u011b v turbulentn\u00edm re\u017eimu.<\/li>\n<\/ul>\n<p>Jeliko\u017e re\u017eim z\u00e1vis\u00ed na t\u00e9to jedin\u00e9 bezrozm\u011brn\u00e9 skupin\u011b, sta\u010d\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/calculators\/reynolds-number-calculator\/\">V\u00fdpo\u010det Reynoldsova \u010d\u00edsla<\/a> okam\u017eit\u011b ur\u010d\u00ed, zda je dan\u00fd proud u zvolen\u00e9ho pr\u016fm\u011bru potrub\u00ed a dan\u00e9 kapaliny lamin\u00e1rn\u00ed, \u010di turbulentn\u00ed.<\/p>\n<h3>Charakteristiky turbulence<\/h3>\n<ul>\n<li><strong>N\u00e1hodn\u00e9 v\u00fdkyvy rychlosti:<\/strong> okam\u017eit\u00e1 rychlost se chaoticky pohybuje kolem sv\u00e9 st\u0159edn\u00ed hodnoty.<\/li>\n<li><strong>V\u00edry a vortexov\u00e9 struktury:<\/strong> v\u00ed\u0159iv\u00e9 struktury v \u0161irok\u00e9m rozmez\u00ed velikost\u00ed.<\/li>\n<li><strong>Energetick\u00e1 kask\u00e1da:<\/strong> velk\u00e9 v\u00edry se rozpadaj\u00ed na st\u00e1le men\u0161\u00ed.<\/li>\n<li><strong>M\u00edch\u00e1n\u00ed:<\/strong> rychl\u00e9 m\u00ed\u0161en\u00ed hybnosti, tepla a hmoty.<\/li>\n<li><strong>Disipace energie:<\/strong> T\u0159en\u00ed v turbulentn\u00edm proudu p\u0159em\u011b\u0148uje kinetickou energii na teplo.<\/li>\n<\/ul>\n<h2>3. P\u0159\u00ed\u010diny turbulenc\u00ed ve strojn\u00edch za\u0159\u00edzen\u00edch<\/h2>\n<h3>Poruchy na vstupu<\/h3>\n<ul>\n<li><strong>Nevhodn\u00e1 konstrukce p\u0159\u00edvodu:<\/strong> ostr\u00e9 ohyby, p\u0159ek\u00e1\u017eky nebo nedostate\u010dn\u00e1 d\u00e9lka rovn\u00e9ho \u00faseku potrub\u00ed.<\/li>\n<li><strong>V\u00edr:<\/strong> p\u0159edrotace tekutiny p\u0159i jej\u00edm vstupu do ob\u011b\u017en\u00e9ho kola nebo ventil\u00e1toru.<\/li>\n<li><strong>Nerovnom\u011brn\u00e1 rychlost:<\/strong> profil rychlosti, kter\u00fd se odchyluje od ide\u00e1lu.<\/li>\n<li><strong>\u00da\u010dinek:<\/strong> vy\u0161\u0161\u00ed intenzita turbulenc\u00ed, zv\u00fd\u0161en\u00e9 vibrace a sn\u00ed\u017een\u00fd v\u00fdkon.<\/li>\n<\/ul>\n<h3>Odtrh\u00e1v\u00e1n\u00ed proudu<\/h3>\n<ul>\n<li><strong>Nep\u0159\u00edzniv\u00e9 tlakov\u00e9 gradienty:<\/strong> proud se od povrchu odtrh\u00e1v\u00e1.<\/li>\n<li><strong>Provoz mimo jmenovit\u00fd re\u017eim:<\/strong> Nespr\u00e1vn\u00e9 \u00fahly proud\u011bn\u00ed zp\u016fsobuj\u00ed odtrh\u00e1v\u00e1n\u00ed proudu na lopatk\u00e1ch.<\/li>\n<li><strong>Separace proud\u011bn\u00ed:<\/strong> v\u00fdrazn\u00e9 odd\u011blen\u00ed na sac\u00ed stran\u011b lopatky.<\/li>\n<li><strong>V\u00fdsledek:<\/strong> velmi vysok\u00e1 intenzita turbulence a chaotick\u00e9 s\u00edly.<\/li>\n<\/ul>\n<h3>Oblasti \u00faplavu<\/h3>\n<ul>\n<li>Za lopatkami, vzp\u011brami a p\u0159ek\u00e1\u017ekami se tvo\u0159\u00ed turbulentn\u00ed \u00faplavy.<\/li>\n<li>V toku za lopatkami je intenzita turbulence vysok\u00e1.<\/li>\n<li>N\u00e1sledn\u00e9 komponenty jsou vystaveny v\u00fdsledn\u00fdm nestacion\u00e1rn\u00edm sil\u00e1m.<\/li>\n<li>Interakce lopatky s \u00faplavem je obzvl\u00e1\u0161t\u011b d\u016fle\u017eit\u00e1 u v\u00edcestup\u0148ov\u00fdch stroj\u016f.<\/li>\n<\/ul>\n<h3>Oblasti s vysokou rychlost\u00ed<\/h3>\n<ul>\n<li>Intenzita turbulence obecn\u011b roste s rychlost\u00ed.<\/li>\n<li>\u0160pi\u010dky ob\u011b\u017en\u00e9ho kola a v\u00fdstupn\u00ed trysky jsou oblasti s vysokou turbulenc\u00ed.<\/li>\n<li>To vede k m\u00edstn\u00edmu p\u016fsoben\u00ed velk\u00fdch sil a opot\u0159eben\u00ed.<\/li>\n<\/ul>\n<h2>4. Dopady na strojn\u00ed za\u0159\u00edzen\u00ed<\/h2>\n<h3>Vznik vibrac\u00ed<\/h3>\n<ul>\n<li><strong>\u0160irokop\u00e1smov\u00e9 vibrace:<\/strong> Turbulence vyvol\u00e1v\u00e1 n\u00e1hodn\u00e9 s\u00edly v \u0161irok\u00e9m frekven\u010dn\u00edm rozsahu.<\/li>\n<li><strong>Spektrum:<\/strong> sp\u00ed\u0161e zv\u00fd\u0161en\u00e1 \u00farove\u0148 \u0161umu ne\u017e jednotliv\u00e9 \u0161pi\u010dky.<\/li>\n<li><strong>Amplituda:<\/strong> se zvy\u0161uje s intenzitou turbulence.<\/li>\n<li><strong>Frekven\u010dn\u00ed rozsah:<\/strong> obvykle 10\u2013500 Hz u vibrac\u00ed zp\u016fsoben\u00fdch turbulenc\u00ed.<\/li>\n<\/ul>\n<h3>Vznik hluku<\/h3>\n<ul>\n<li>Turbulence je hlavn\u00edm zdrojem aerodynamick\u00e9ho hluku.<\/li>\n<li>Vyd\u00e1v\u00e1 \u0161irokospektr\u00e1ln\u00ed &#8220;svi\u0161tiv\u00fd&#8221; nebo &#8220;\u0161umiv\u00fd&#8221; zvuk.<\/li>\n<li>Hladina hluku roste s rychlost\u00ed v \u0161est\u00e9 mocnin\u011b \u2013 je tedy mimo\u0159\u00e1dn\u011b citliv\u00e1 na rychlost.<\/li>\n<li>U ventil\u00e1tor\u016f s vysokou rychlost\u00ed proudu m\u016f\u017ee j\u00edt o hlavn\u00ed zdroj hluku.<\/li>\n<\/ul>\n<h3>Ztr\u00e1ty \u00fa\u010dinnosti<\/h3>\n<ul>\n<li>Turbulentn\u00ed t\u0159en\u00ed vede ke ztr\u00e1t\u011b u\u017eite\u010dn\u00e9 energie.<\/li>\n<li>Sni\u017euje jak n\u00e1r\u016fst tlaku, tak i dod\u00e1van\u00fd pr\u016ftok.<\/li>\n<li>Typick\u00e9 ztr\u00e1ty zp\u016fsoben\u00e9 turbulencemi se pohybuj\u00ed v rozmez\u00ed 2 a\u017e 10 % p\u0159\u00edkonu.<\/li>\n<li>P\u0159i provozu mimo jmenovit\u00fd re\u017eim se tyto jevy zhor\u0161uj\u00ed.<\/li>\n<\/ul>\n<h3>\u00danava sou\u010d\u00e1sti<\/h3>\n<ul>\n<li>N\u00e1hodn\u011b kol\u00edsaj\u00edc\u00ed s\u00edly zp\u016fsobuj\u00ed cyklick\u00e9 nam\u00e1h\u00e1n\u00ed.<\/li>\n<li>Cyklick\u00e9 nam\u00e1h\u00e1n\u00ed m\u00e1 vysokou frekvenci.<\/li>\n<li>P\u0159isp\u00edv\u00e1 to k \u00fanav\u011b lopatek a konstrukce, zejm\u00e9na tam, kde se to shoduje s <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/blade-resonance\/\">rezonance lopatek<\/a>.<\/li>\n<li>Zvl\u00e1\u0161t\u011b p\u0159i vysok\u00fdch rychlostech je tento jev z\u00e1va\u017en\u00fd.<\/li>\n<\/ul>\n<h3>Eroze a opot\u0159eben\u00ed<\/h3>\n<ul>\n<li>Turbulence zvy\u0161uje erozi p\u0159i pr\u00e1ci s abrazivn\u00edmi materi\u00e1ly.<\/li>\n<li>\u010c\u00e1stice udr\u017eovan\u00e9 v suspenzi d\u00edky turbulenci nar\u00e1\u017eej\u00ed na povrchy.<\/li>\n<li>V oblastech s vysokou turbulenc\u00ed doch\u00e1z\u00ed k urychlen\u00e9mu opot\u0159eben\u00ed.<\/li>\n<\/ul>\n<h2>5. Detekce a diagnostika<\/h2>\n<h3>Ukazatele spektra vibrac\u00ed<\/h3>\n<ul>\n<li><strong>Zv\u00fd\u0161en\u00fd \u0161irokop\u00e1smov\u00fd \u0161um:<\/strong> vysok\u00e1 \u00farove\u0148 \u0161umu v cel\u00e9m frekven\u010dn\u00edm spektru.<\/li>\n<li><strong>Chyb\u011bj\u00edc\u00ed z\u0159eteln\u00e9 p\u00edky:<\/strong> na rozd\u00edl od mechanick\u00fdch poruch, kter\u00e9 se projevuj\u00ed p\u0159i ur\u010dit\u00fdch frekvenc\u00edch.<\/li>\n<li><strong>V z\u00e1vislosti na pr\u016ftoku:<\/strong> \u00darove\u0148 \u0161irokop\u00e1smov\u00e9ho \u0161umu se m\u011bn\u00ed v z\u00e1vislosti na pr\u016ftoku.<\/li>\n<li><strong>Minim\u00e1ln\u011b p\u0159i BEP:<\/strong> turbulence je nejni\u017e\u0161\u00ed v bod\u011b n\u00e1vrhu.<\/li>\n<\/ul>\n<p>Pr\u00e1v\u011b tento \u0161irokop\u00e1smov\u00fd charakter z\u00e1visl\u00fd na pr\u016ftoku se pomoc\u00ed p\u0159enosn\u00e9ho analyz\u00e1toru ov\u011b\u0159uje p\u0159\u00edmo na m\u00edst\u011b. M\u011b\u0159en\u00ed spektra na lo\u017eiskov\u00fdch sk\u0159\u00edn\u00edch pomoc\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/produkt\/balanset-1\/\">Balanset-1A<\/a> umo\u017e\u0148uje technikovi zjistit, zda je vysok\u00e1 celkov\u00e1 \u00farove\u0148 zp\u016fsobena zv\u00fd\u0161enou \u0161umovou hladinou \u2013 co\u017e by nazna\u010dovalo turbulence \u2013 nebo zda se jedn\u00e1 o diskr\u00e9tn\u00ed \u0161pi\u010dku na 1\u00d7, kter\u00e1 by nazna\u010dovala nevyv\u00e1\u017eenost vy\u017eaduj\u00edc\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vyrovnavani-poli\/\">vyva\u017eov\u00e1n\u00ed na m\u00edst\u011b<\/a>. Pozorov\u00e1n\u00ed toho, jak se tato \u00farove\u0148 \u0161umu m\u011bn\u00ed p\u0159i zm\u011bn\u00e1ch pr\u016ftoku, \u010dasto umo\u017e\u0148uje stanovit diagn\u00f3zu, ani\u017e by bylo nutn\u00e9 stroj otev\u00edrat.<\/p>\n<h3>Akustick\u00e1 anal\u00fdza<\/h3>\n<ul>\n<li>Vezm\u011bte si <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/sound-pressure-level\/\">hladina akustick\u00e9ho tlaku<\/a> m\u011b\u0159en\u00ed.<\/li>\n<li>Zv\u00fd\u0161en\u00ed \u0161irokop\u00e1smov\u00e9ho hluku nazna\u010duje turbulenci.<\/li>\n<li>Akustick\u00e9 spektrum odr\u00e1\u017e\u00ed spektrum kmit\u00e1n\u00ed.<\/li>\n<li>Sm\u011brov\u00e9 mikrofony dok\u00e1\u017e\u00ed lokalizovat zdroje turbulence<\/li>\n<\/ul>\n<h3>Vizualizace proud\u011bn\u00ed<\/h3>\n<ul>\n<li>Po\u010d\u00edta\u010dov\u00e1 dynamika tekutin (CFD) ve f\u00e1zi n\u00e1vrhu.<\/li>\n<li>Proudov\u00e9 pruhy nebo vizualizace kou\u0159e b\u011bhem testov\u00e1n\u00ed.<\/li>\n<li>M\u011b\u0159en\u00ed tlaku, kter\u00e1 odhaluj\u00ed kol\u00eds\u00e1n\u00ed.<\/li>\n<li>Metoda sledov\u00e1n\u00ed obrazu \u010d\u00e1stic (PIV) ve v\u00fdzkumn\u00e9m prost\u0159ed\u00ed.<\/li>\n<\/ul>\n<h2>6. Strategie zm\u00edr\u0148ov\u00e1n\u00ed<\/h2>\n<h3>Vylep\u0161en\u00ed konstrukce s\u00e1n\u00ed<\/h3>\n<ul>\n<li>Zajist\u011bte dostate\u010dn\u011b dlouh\u00fd \u00fasek rovn\u00e9 trubky p\u0159ed vstupem do stroje \u2013 minim\u00e1ln\u011b v d\u00e9lce 5 a\u017e 10 pr\u016fm\u011br\u016f.<\/li>\n<li>Odstra\u0148te ostr\u00e9 ohyby t\u011bsn\u011b p\u0159ed vstupem.<\/li>\n<li>Namontujte usm\u011br\u0148ova\u010de proud\u011bn\u00ed nebo usm\u011br\u0148ovac\u00ed lopatky.<\/li>\n<li>K omezen\u00ed vzniku turbulenc\u00ed pou\u017e\u00edvejte vstupy s roz\u0161\u00ed\u0159en\u00fdm hrdlem nebo aerodynamick\u00e9ho tvaru.<\/li>\n<\/ul>\n<h3>Optimalizace pracovn\u00edho bodu<\/h3>\n<ul>\n<li>Provozujte v bl\u00edzkosti bodu nejvy\u0161\u0161\u00ed \u00fa\u010dinnosti (BEP).<\/li>\n<li>V tomto bod\u011b se \u00fahly proud\u011bn\u00ed shoduj\u00ed s \u00fahly lopatek, \u010d\u00edm\u017e se minimalizuje odtr\u017een\u00ed proud\u011bn\u00ed.<\/li>\n<li>Vznik turbulenc\u00ed je na nejni\u017e\u0161\u00ed \u00farovni.<\/li>\n<li>Regulace ot\u00e1\u010dek pom\u00e1h\u00e1 udr\u017eet tento optim\u00e1ln\u00ed bod.<\/li>\n<\/ul>\n<h3>Konstruk\u010dn\u00ed \u00fapravy<\/h3>\n<ul>\n<li>Plynul\u00e9 p\u0159echody v pr\u016ftokov\u00fdch kan\u00e1lech bez ostr\u00fdch hran.<\/li>\n<li>Difuz\u00e9ry pro postupn\u00e9 zpomalen\u00ed proud\u011bn\u00ed.<\/li>\n<li>Vortexov\u00e9 tlumi\u010de nebo za\u0159\u00edzen\u00ed proti v\u00ed\u0159en\u00ed.<\/li>\n<li>Akustick\u00e1 v\u00fdstelka pro absorpci hluku generovan\u00e9ho turbulenc\u00ed<\/li>\n<\/ul>\n<h2>7. Turbulence ve srovn\u00e1n\u00ed s jin\u00fdmi jevy v proud\u011bn\u00ed<\/h2>\n<p>Turbulence je jedn\u00edm z n\u011bkolika zdroj\u016f \u0161irokop\u00e1smov\u00fdch vibrac\u00ed souvisej\u00edc\u00edch s proud\u011bn\u00edm a jej\u00ed odli\u0161en\u00ed od sousedn\u00edch jev\u016f p\u0159isp\u00edv\u00e1 k p\u0159esn\u011bj\u0161\u00ed diagnostice.<\/p>\n<h3>Turbulence versus kavitace<\/h3>\n<ul>\n<li><strong>Turbulence:<\/strong> \u0161irokop\u00e1smov\u00e9, spojit\u00e9 a z\u00e1visl\u00e9 na pr\u016ftoku.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/cs\/glossary\/cavitation\/\">Kavitace<\/a>:<\/strong> impulzn\u00ed, s vy\u0161\u0161\u00ed frekvenc\u00ed a z\u00e1visl\u00e9 na NPSH.<\/li>\n<li><strong>Ob\u011b:<\/strong> mohou existovat vedle sebe a ob\u011b vyvol\u00e1vaj\u00ed \u0161irokop\u00e1smov\u00e9 vibrace.<\/li>\n<\/ul>\n<h3>Turbulence versus recirkulace<\/h3>\n<ul>\n<li><strong>Turbulence:<\/strong> n\u00e1hodn\u00e9, \u0161irokop\u00e1smov\u00e9 a p\u0159\u00edtomn\u00e9 ve v\u0161ech pr\u016ftoc\u00edch.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/cs\/glossary\/recirculation\/\">Recirkulace<\/a>:<\/strong> organizovan\u00e1 nestabilita s n\u00edzkofrekven\u010dn\u00edmi pulzacemi, kter\u00e1 se projevuje pouze p\u0159i n\u00edzk\u00e9m pr\u016ftoku.<\/li>\n<li><strong>Vztah:<\/strong> z\u00f3ny recirkulace jsou samy o sob\u011b velmi turbulentn\u00ed.<\/li>\n<\/ul>\n<p>Je tak\u00e9 vhodn\u00e9 odli\u0161it turbulenci proud\u011bn\u00ed od \u0161ir\u0161\u00edho pojmu <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/turbulence\/\">turbulence, jak se projevuje ve vibra\u010dn\u00edm sign\u00e1lu<\/a>a z aerodynamick\u00fdch zat\u00ed\u017een\u00ed uveden\u00fdch v <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/aerodynamic-forces\/\">aerodynamick\u00e9 s\u00edly<\/a> \u2014 stejn\u00e1 fyzika, nahl\u00ed\u017een\u00e1 z hlediska konstrukce stroje.<\/p>\n<p>Turbulence proud\u011bn\u00ed je neodmyslitelnou vlastnost\u00ed proud\u011bn\u00ed tekutin vysokou rychlost\u00ed v rotuj\u00edc\u00edch stroj\u00edch. A\u010dkoli je nevyhnuteln\u00e1, lze jej\u00ed intenzitu a dopady omezit vhodnou konstrukc\u00ed vstupu, provozem v bl\u00edzkosti n\u00e1vrhov\u00e9ho bodu a pe\u010dlivou optimalizac\u00ed proud\u011bn\u00ed. Pochopen\u00ed turbulence jako zdroje \u0161irokop\u00e1smov\u00fdch vibrac\u00ed a hluku umo\u017e\u0148uje analytikovi jasn\u011b ji odli\u0161it od mechanick\u00fdch z\u00e1vad s diskr\u00e9tn\u00edmi frekvencemi a zam\u011b\u0159it n\u00e1pravn\u00e1 opat\u0159en\u00ed sp\u00ed\u0161e na podm\u00ednky proud\u011bn\u00ed ne\u017e na mechanick\u00e9 opravy.<\/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 turbulenc\u00ed proud\u011bn\u00ed v \u010derpadlech a ventil\u00e1torech, chaotick\u00fdm pohybem kapaliny, kter\u00fd vytv\u00e1\u0159\u00ed \u0161irokop\u00e1smov\u00e9 vibrace, hluk a ztr\u00e1ty \u00fa\u010dinnosti, zesilovan\u00e9 za provozn\u00edch podm\u00ednek mimo n\u00e1vrh.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-121","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/121","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\/121\/revisions"}],"predecessor-version":[{"id":101334,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/121\/revisions\/101334"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/media?parent=121"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/categories?post=121"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/tags?post=121"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}