{"id":20617,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/aerodynamic-forces\/"},"modified":"2026-05-23T22:38:11","modified_gmt":"2026-05-23T22:38:11","slug":"aerodynamic-forces","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/cs\/glossary\/aerodynamic-forces\/","title":{"rendered":"Co jsou aerodynamick\u00e9 s\u00edly? Zat\u00ed\u017een\u00ed ventil\u00e1toru a turb\u00edny"},"content":{"rendered":"<h1>Pochopen\u00ed aerodynamick\u00fdch sil<\/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\/20617?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\/20617?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\/20617?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\/20617?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\/20617?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\/20617?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\/20617?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\/20617?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\/20617?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\/20617?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\/20617?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\/20617?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\/20617?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\/20617?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>Aerodynamick\u00e9 s\u00edly<\/strong> jsou s\u00edly, kter\u00e9 p\u016fsob\u00ed proud\u00edc\u00ed vzduch nebo plyn na rotuj\u00edc\u00ed a pevn\u00e9 sou\u010d\u00e1sti ventil\u00e1tor\u016f, dmychadel, kompresor\u016f a turb\u00edn. Vznikaj\u00ed v d\u016fsledku tlakov\u00fdch rozd\u00edl\u016f na povrchu lopatek, zm\u011bn hybnosti proud\u00edc\u00edho plynu a neust\u00e1l\u00e9 interakce mezi tekutinou a konstrukc\u00ed, po kter\u00e9 proud\u00ed. Tyto s\u00edly zahrnuj\u00ed jak ust\u00e1len\u00e9 slo\u017eky \u2013 axi\u00e1ln\u00ed a radi\u00e1ln\u00ed zat\u00ed\u017een\u00ed \u2013, tak i nest\u00e1l\u00e9 slo\u017eky, jako jsou pulzace p\u0159i <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/blade-passing-frequency\/\">frekvence pr\u016fchodu lopatky<\/a> a n\u00e1hodn\u00e9 ot\u0159esy zp\u016fsoben\u00e9 turbulencemi. Spole\u010dn\u011b zp\u016fsobuj\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vibration\/\">vibrace<\/a>, zat\u011b\u017euj\u00ed lo\u017eiska a sk\u0159\u00edn\u011b a v n\u011bkter\u00fdch p\u0159\u00edpadech mohou vyvolat samovoln\u00e9 nestability, kter\u00e9 mohou stroj zni\u010dit.<\/p>\n<p>Aerodynamick\u00e9 s\u00edly jsou plynnou obdobou <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/hydraulic-forces\/\">hydraulick\u00e9 s\u00edly<\/a> kter\u00e9 se vyskytuj\u00ed u \u010derpadel, av\u0161ak se t\u0159emi z\u00e1sadn\u00edmi rozd\u00edly: plyn je stla\u010diteln\u00fd, jeho hustota se v\u00fdrazn\u011b m\u011bn\u00ed v z\u00e1vislosti na tlaku a teplot\u011b a doch\u00e1z\u00ed k jeho akustick\u00e9mu propojen\u00ed se strojem a potrubn\u00edm syst\u00e9mem. Toto akustick\u00e9 propojen\u00ed m\u016f\u017ee vyvol\u00e1vat rezonance a nestabilitu, kter\u00e9 se v syst\u00e9mu s nestla\u010ditelnou kapalinou v\u016fbec nevyskytuj\u00ed, a proto se probl\u00e9my s ventil\u00e1tory a kompresory v tomto kontextu \u010dasto v\u00fdrazn\u011b li\u0161\u00ed od probl\u00e9m\u016f s \u010derpadly.<\/p>\n<h2>1. Druhy aerodynamick\u00fdch sil<\/h2>\n<h3>1. S\u00edly tahu<\/h3>\n<p>Jedn\u00e1 se o axi\u00e1ln\u00ed s\u00edly vznikaj\u00edc\u00ed p\u016fsoben\u00edm tlaku na povrchy lopatek:<\/p>\n<ul>\n<li><strong>Odst\u0159ediv\u00e9 ventil\u00e1tory:<\/strong> Tlakov\u00fd rozd\u00edl vytv\u00e1\u0159\u00ed tah sm\u011b\u0159uj\u00edc\u00ed k vstupu.<\/li>\n<li><strong>Axi\u00e1ln\u00ed ventil\u00e1tory:<\/strong> Reakce na zrychlen\u00ed vzduchu vyvol\u00e1v\u00e1 axi\u00e1ln\u00ed s\u00edlu.<\/li>\n<li><strong>Turb\u00edny:<\/strong> Rozp\u00edn\u00e1n\u00ed plynu v kan\u00e1lech lopatek vytv\u00e1\u0159\u00ed velk\u00fd tah.<\/li>\n<li><strong>Velikost:<\/strong> zhruba \u00fam\u011brn\u00e9 n\u00e1r\u016fstu tlaku a pr\u016ftoku.<\/li>\n<li><strong>\u00da\u010dinek:<\/strong> it loads the <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/thrust-bearing\/\">axi\u00e1ln\u00ed lo\u017eisko<\/a> and produces <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/axial-vibration\/\">axi\u00e1ln\u00ed vibrace<\/a>.<\/li>\n<\/ul>\n<h3>2. Radi\u00e1ln\u00ed s\u00edly<\/h3>\n<p>Jedn\u00e1 se o bo\u010dn\u00ed s\u00edly vznikaj\u00edc\u00ed v d\u016fsledku nerovnom\u011brn\u00e9ho rozlo\u017een\u00ed tlaku kolem rotoru. Vyskytuj\u00ed se ve dvou odli\u0161n\u00fdch podob\u00e1ch.<\/p>\n<p><strong>Konstantn\u00ed radi\u00e1ln\u00ed s\u00edla:<\/strong><\/p>\n<ul>\n<li>Zp\u016fsobeno asymetrick\u00fdm tlakem v krytu nebo potrub\u00ed.<\/li>\n<li>Z\u00e1vis\u00ed na provozn\u00edm bodu, tj. na pr\u016ftoku.<\/li>\n<li>Dosahuje minima v projektov\u00e9m bod\u011b.<\/li>\n<li>Zp\u016fsobuje zat\u00ed\u017een\u00ed lo\u017eisek a vibra\u010dn\u00ed slo\u017eku 1\u00d7.<\/li>\n<\/ul>\n<p><strong>Rota\u010dn\u00ed radi\u00e1ln\u00ed s\u00edla:<\/strong><\/p>\n<ul>\n<li>Vznika, kdyz je obeznE kolo nebo rotor vynesen asymetrickym aerodynamickym zatizenim.<\/li>\n<li>S\u00edla se ot\u00e1\u010d\u00ed spolu s rotorem.<\/li>\n<li>Vytvari jednoduchou vibraci 1x, ktera vypada presne jako <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/unbalance\/\">nevyv\u00e1\u017eenost<\/a>.<\/li>\n<li>Muze se vektorove scitat se skutecnou mechanickou nevyvazenenosti, a proto se muze zdat, ze se ventilator vyvazi z rovnovahy pouze kvuli zmene sveho provozniho bodu.<\/li>\n<\/ul>\n<h3>3. Pulzace p\u0159i pr\u016fchodu lopatky<\/h3>\n<p>Jedn\u00e1 se o periodick\u00e9 tlakov\u00e9 impulsy, jejich\u017e frekvence odpov\u00edd\u00e1 rychlosti, s jakou lopatky proch\u00e1zej\u00ed pevn\u00fdm bodem:<\/p>\n<ul>\n<li><strong>Frekvence:<\/strong> po\u010det lopatek \u00d7 ot\u00e1\u010dky za minutu \/ 60 \u2014 hodnota, kterou n\u00e1\u0161 <a href=\"https:\/\/vibromera.eu\/cs\/calculators\/blade-pass-frequency\/\">Kalkula\u010dka frekvence pr\u016fchodu lopatek<\/a> p\u0159\u00edmo vrac\u00ed.<\/li>\n<li><strong>P\u0159\u00ed\u010dina:<\/strong> ka\u017ed\u00e1 lopatka naru\u0161uje proudov\u00e9 pole a vyvol\u00e1v\u00e1 tlakov\u00fd impuls.<\/li>\n<li><strong>Interakce:<\/strong> doch\u00e1z\u00ed k tomu mezi rotuj\u00edc\u00edmi lopatkami a pevn\u00fdmi vzp\u011brami, lamelami nebo v\u00fdstupkem sk\u0159\u00edn\u011b.<\/li>\n<li><strong>Amplituda:<\/strong> z\u00e1le\u017e\u00ed na vzd\u00e1lenosti mezi lopatkami a statorem a na podm\u00ednk\u00e1ch proud\u011bn\u00ed.<\/li>\n<li><strong>\u00da\u010dinek:<\/strong> je to hlavni zdroj tonalniho hluku a vibraci u ventilators a kompresor.<\/li>\n<\/ul>\n<h3>4. S\u00edly vyvolan\u00e9 turbulenc\u00ed<\/h3>\n<ul>\n<li><strong>Random forces:<\/strong> vznikaj\u00edc\u00ed v d\u016fsledku turbulentn\u00edch v\u00edr\u016f a odtr\u017een\u00ed proudu.<\/li>\n<li><strong>\u0160irokop\u00e1smov\u00e9 spektrum:<\/strong> energie je rozlo\u017eena v \u0161irok\u00e9m frekven\u010dn\u00edm rozsahu, m\u00edsto aby byla soust\u0159ed\u011bna do jednotliv\u00fdch t\u00f3n\u016f.<\/li>\n<li><strong>Z\u00e1visl\u00e9 na pr\u016ftoku:<\/strong> they grow with <a href=\"https:\/\/vibromera.eu\/cs\/calculators\/reynolds-number-calculator\/\">Reynoldsovo \u010d\u00edslo<\/a> a p\u0159i provozu mimo jmenovit\u00fd re\u017eim.<\/li>\n<li><strong>Riziko \u00fanavy materi\u00e1lu:<\/strong> Toto n\u00e1hodn\u00e9 zat\u011b\u017eov\u00e1n\u00ed v pr\u016fb\u011bhu \u010dasu p\u0159isp\u00edv\u00e1 k \u00fanav\u011b materi\u00e1lu.<\/li>\n<\/ul>\n<h3>5. S\u00edly zp\u016fsoben\u00e9 nestabiln\u00edm proud\u011bn\u00edm<\/h3>\n<p><strong>Rotuj\u00edc\u00ed odtr\u017een\u00ed proudu:<\/strong><\/p>\n<ul>\n<li>Oblast lok\u00e1ln\u00edho odtr\u017een\u00ed proudu, kter\u00e1 se ot\u00e1\u010d\u00ed kolem prstence.<\/li>\n<li>Appears at a <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/sub-synchronous\/\">subsynchronn\u00ed<\/a> frekvence, p\u0159ibli\u017en\u011b 0,2\u20130,8n\u00e1sobek ot\u00e1\u010dek rotoru.<\/li>\n<li>Vytv\u00e1\u0159\u00ed siln\u00e9 nestabiln\u00ed s\u00edly.<\/li>\n<li>\u010casto se vyskytuje p\u0159i n\u00edzk\u00e9m pr\u016ftoku v kompresorech.<\/li>\n<\/ul>\n<p><strong><a href=\"https:\/\/vibromera.eu\/cs\/glossary\/surging\/\">Aerodynamick\u00fd z\u00e1raz (surge)<\/a>:<\/strong><\/p>\n<ul>\n<li>Oscilace pr\u016ftoku v cel\u00e9m syst\u00e9mu, p\u0159i kter\u00e9 se sm\u011br proud\u011bn\u00ed st\u0159\u00eddav\u011b m\u011bn\u00ed.<\/li>\n<li>Velmi n\u00edzk\u00e1 frekvence, p\u0159ibli\u017en\u011b 0,5\u201310 Hz.<\/li>\n<li>Mimo\u0159\u00e1dn\u011b vysok\u00e9 amplitudy s\u00edly.<\/li>\n<li>Pokud se tento stav ponech\u00e1 bez z\u00e1sahu, m\u016f\u017ee kompresor zni\u010dit.<\/li>\n<\/ul>\n<h2>2. Vibrace zp\u016fsoben\u00e9 aerodynamick\u00fdmi vlivy<\/h2>\n<h3>Frekvence pr\u016fchodu lopatkou (BPF)<\/h3>\n<ul>\n<li>Hlavn\u00ed slo\u017eka aerodynamick\u00fdch vibrac\u00ed.<\/li>\n<li>Jej\u00ed amplituda se m\u011bn\u00ed v z\u00e1vislosti na provozn\u00edm bod\u011b.<\/li>\n<li>V provozn\u00edch podm\u00ednk\u00e1ch mimo jmenovit\u00fd rozsah je vy\u0161\u0161\u00ed.<\/li>\n<li>M\u016f\u017ee zp\u016fsobit struktur\u00e1ln\u00ed nebo <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/blade-resonance\/\">rezonance lopatek<\/a>.<\/li>\n<\/ul>\n<h3>N\u00edzkofrekven\u010dn\u00ed pulzace<\/h3>\n<ul>\n<li>Poch\u00e1zej\u00ed z <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/recirculation\/\">recirkulace<\/a>, p\u0159etla\u010den\u00ed nebo kol\u00eds\u00e1n\u00ed.<\/li>\n<li>\u010casto maj\u00ed velkou amplitudu \u2013 mohou p\u0159es\u00e1hnout 1\u00d7 vibrace.<\/li>\n<li>Nazna\u010duj\u00ed provoz daleko od n\u00e1vrhov\u00e9ho bodu.<\/li>\n<li>Vy\u017eaduj\u00ed zm\u011bnu provozn\u00edch podm\u00ednek, nikoli mechanickou opravu.<\/li>\n<\/ul>\n<h3>\u0160irokop\u00e1smov\u00e9 vibrace<\/h3>\n<ul>\n<li>Produced by <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/turbulence\/\">turbulence<\/a> a hluk proud\u011bn\u00ed.<\/li>\n<li>Zv\u00fd\u0161en\u00e1 v oblastech s vysokou rychlost\u00ed proud\u011bn\u00ed.<\/li>\n<li>Rostou s pr\u016ftokem a intenzitou turbulence.<\/li>\n<li>Je to sice m\u00e9n\u011b znepokojiv\u00e9 ne\u017e t\u00f3nov\u00e9 slo\u017eky, ale u\u017eite\u010dn\u00fd ukazatel kvality proud\u011bn\u00ed.<\/li>\n<\/ul>\n<h2>3. Vazba s mechanick\u00fdmi jevy<\/h2>\n<h3>Aerodynamicko-mechanick\u00e1 interakce<\/h3>\n<ul>\n<li>Aerodynamick\u00e9 s\u00edly vychyluj\u00ed rotor.<\/li>\n<li>Toto vych\u00fdlen\u00ed m\u011bn\u00ed provozn\u00ed v\u016fle, co\u017e zase ovliv\u0148uje aerodynamick\u00e9 s\u00edly.<\/li>\n<li>Tato zp\u011btn\u00e1 vazba m\u016f\u017ee vyvolat vazebn\u00ed nestabilitu.<\/li>\n<li>Klasick\u00fdm p\u0159\u00edkladem jsou aerodynamick\u00e9 s\u00edly p\u016fsob\u00edc\u00ed na t\u011bsn\u011bn\u00ed, kter\u00e9 p\u0159isp\u00edvaj\u00ed k <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/rotor-instability\/\">nestabilita rotoru<\/a> \u2014 \u00fazce souvisej\u00edc\u00ed s <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/steam-whirl\/\">parn\u00ed v\u00edr<\/a> jak je tomu u turb\u00edn.<\/li>\n<\/ul>\n<h3>Aerodynamick\u00e9 tlumen\u00ed<\/h3>\n<ul>\n<li>Odpor vzduchu obecn\u011b tlum\u00ed vibrace konstrukce.<\/li>\n<li>Tento \u00fa\u010dinek je obvykle pozitivn\u00ed, tj. stabiliza\u010dn\u00ed.<\/li>\n<li>Za ur\u010dit\u00fdch pr\u016ftokov\u00fdch podm\u00ednek se v\u0161ak m\u016f\u017ee st\u00e1t z\u00e1porn\u00fdm a destabilizuj\u00edc\u00edm.<\/li>\n<li>Je to d\u016fle\u017eit\u00fd faktor p\u0159i <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/rotor-dynamics\/\">dynamika rotoru<\/a> v oblasti turbostroj\u016f.<\/li>\n<\/ul>\n<h2>4. Aspekty n\u00e1vrhu<\/h2>\n<h3>Minimalizace sil<\/h3>\n<ul>\n<li>Optimalizujte \u00fahly a rozestupy lopatek.<\/li>\n<li>Pro sn\u00ed\u017een\u00ed pulzac\u00ed pou\u017eijte difuz\u00e9ry nebo bezlopatkov\u00fd prostor<\/li>\n<li>Konstrukce zaji\u0161\u0165uj\u00edc\u00ed \u0161irok\u00fd a stabiln\u00ed provozn\u00ed rozsah.<\/li>\n<li>Zvolte po\u010det lopatek tak, aby nedoch\u00e1zelo k akustick\u00fdm rezonanc\u00edm.<\/li>\n<\/ul>\n<h3>Konstruk\u010dn\u00ed n\u00e1vrh<\/h3>\n<ul>\n<li>Lo\u017eiska dimenzujte tak, aby krom\u011b mechanick\u00e9ho zat\u00ed\u017een\u00ed odol\u00e1vala i aerodynamick\u00e9mu zat\u00ed\u017een\u00ed.<\/li>\n<li>H\u0159\u00eddel mus\u00ed b\u00fdt dostate\u010dn\u011b tuh\u00fd, aby se omezilo jeho pr\u016fhyb p\u0159i p\u016fsoben\u00ed aerodynamick\u00fdch sil.<\/li>\n<li>Odd\u011blte \u010depel <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/natural-frequency\/\">vlastn\u00ed frekvence<\/a> ze zdroj\u016f buzen\u00ed.<\/li>\n<li>Navrhn\u011bte pl\u00e1\u0161\u0165 a konstrukci s ohledem na zat\u00ed\u017een\u00ed zp\u016fsoben\u00e9 tlakov\u00fdmi pulzacemi.<\/li>\n<\/ul>\n<h2>5. Provozn\u00ed strategie a m\u011b\u0159en\u00ed v ter\u00e9nu<\/h2>\n<h3>Optim\u00e1ln\u00ed provozn\u00ed bod<\/h3>\n<ul>\n<li>Provozujte za\u0159\u00edzen\u00ed v bl\u00edzkosti n\u00e1vrhov\u00e9ho bodu, aby byly aerodynamick\u00e9 s\u00edly co nejni\u017e\u0161\u00ed.<\/li>\n<li>Vyhn\u011bte se p\u0159\u00edli\u0161 n\u00edzk\u00e9mu pr\u016ftoku, kter\u00fd vede k recirkulaci a p\u0159eta\u017een\u00ed.<\/li>\n<li>Vyhn\u011bte se p\u0159\u00edli\u0161 vysok\u00e9mu pr\u016ftoku, kter\u00fd zvy\u0161uje rychlost proud\u011bn\u00ed a turbulence.<\/li>\n<li>Vyu\u017eijte variabiln\u00ed ot\u00e1\u010dky k udr\u017een\u00ed optim\u00e1ln\u00edho bodu p\u0159i zm\u011bn\u00e1ch popt\u00e1vky \u2014 <a href=\"https:\/\/vibromera.eu\/cs\/calculators\/affinity-laws-calculator\/\">affinity laws<\/a> popisuj\u00ed, jak se pr\u016ftok, sp\u00e1d a v\u00fdkon m\u011bn\u00ed v z\u00e1vislosti na rychlosti.<\/li>\n<\/ul>\n<h3>Vyh\u00fdb\u00e1n\u00ed se nestabilit\u00e1m<\/h3>\n<ul>\n<li>U kompresor\u016f se dr\u017ete napravo od k\u0159ivky surge.<\/li>\n<li>Zajist\u011bte ochranu proti surge.<\/li>\n<li>Sledujte p\u0159\u00edznaky po\u010d\u00ednaj\u00edc\u00edho odtr\u017een\u00ed proudu.<\/li>\n<li>Zajist\u011bte ochranu p\u0159i minim\u00e1ln\u00edm pr\u016ftoku jak pro ventil\u00e1tory, tak pro kompresory.<\/li>\n<\/ul>\n<p>V praxi je nejt\u011b\u017e\u0161\u00ed rozli\u0161it aerodynamick\u00fd probl\u00e9m od mechanick\u00e9ho, proto\u017ee oba typy probl\u00e9m\u016f mohou vyvolat \u0161pi\u010dky 1\u00d7 nebo BPF. P\u0159enosn\u00fd dvoukan\u00e1lov\u00fd analyz\u00e1tor, jako je nap\u0159\u00edklad <a href=\"https:\/\/vibromera.eu\/cs\/produkt\/balanset-1\/\">Balanset-1A<\/a> pom\u00e1h\u00e1 tuto hranici vymezit: zachycen\u00edm spektra a 1\u00d7 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/phase\/\">amplituda a f\u00e1ze<\/a> v n\u011bkolika provozn\u00edch bodech m\u016f\u017ee technik zjistit, zda \u0161pi\u010dka kop\u00edruje provozn\u00ed ot\u00e1\u010dky a z\u016fst\u00e1v\u00e1 p\u0159i z\u00e1t\u011b\u017ei nem\u011bnn\u00e1 \u2013 co\u017e by nazna\u010dovalo mechanickou nevyv\u00e1\u017eenost \u2013 nebo zda se zv\u011bt\u0161uje a posouv\u00e1 s m\u011bn\u00edc\u00edm se pr\u016ftokem, co\u017e by nazna\u010dovalo aerodynamick\u00fd p\u016fvod. Pokud se u slo\u017eky 1\u00d7 prok\u00e1\u017ee, \u017ee jde o skute\u010dnou mechanickou nevyv\u00e1\u017eenost, stejn\u00fd p\u0159\u00edstroj <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vyrovnavani-poli\/\">vyv\u00e1\u017e\u00ed ventil\u00e1tor nebo ob\u011b\u017en\u00e9 kolo na m\u00edst\u011b<\/a>, tak\u017ee se pak lze v\u011bnovat aerodynamick\u00e9mu vlivu samostatn\u011b.<\/p>\n<p>Aerodynamick\u00e9 s\u00edly jsou v kone\u010dn\u00e9m d\u016fsledku z\u00e1sadn\u00ed pro provoz a spolehlivost ka\u017ed\u00e9ho za\u0159\u00edzen\u00ed ur\u010den\u00e9ho k pohybu vzduchu a manipulaci s plyny. Pochopen\u00ed toho, jak se tyto s\u00edly m\u011bn\u00ed v z\u00e1vislosti na provozn\u00edch podm\u00ednk\u00e1ch, rozpozn\u00e1n\u00ed jejich charakteristick\u00fdch vibra\u010dn\u00edch signatur a navrhov\u00e1n\u00ed i provozov\u00e1n\u00ed za\u0159\u00edzen\u00ed tak, aby se minimalizovaly nestabiln\u00ed slo\u017eky \u2013 p\u0159edev\u0161\u00edm provozem v bl\u00edzkosti n\u00e1vrhov\u00e9ho bodu \u2013 to v\u0161e zaji\u0161\u0165uje spolehliv\u00fd a efektivn\u00ed provoz ventil\u00e1tor\u016f, dmychadel, kompresor\u016f a turb\u00edn v cel\u00e9m pr\u016fmyslu. Rozpozn\u00e1n\u00ed souvisej\u00edc\u00edch <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/fan-defects\/\">fan defects<\/a> a <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/impeller-defects\/\">vady ob\u011b\u017en\u00e9ho kola<\/a> skute\u010dnost, \u017ee aerodynamick\u00e9 zat\u00ed\u017een\u00ed m\u016f\u017ee urychlovat \u00fanavu materi\u00e1lu, dopl\u0148uje diagnostick\u00fd obraz.<\/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 aerodynamick\u00fdmi silami ve ventil\u00e1torech a turb\u00edn\u00e1ch, zat\u00ed\u017een\u00edm vyvolan\u00fdm tlakem vzduchu, kter\u00e9 vytv\u00e1\u0159\u00ed vibrace p\u0159i frekvenci ot\u00e1\u010den\u00ed lopatek, axi\u00e1ln\u00edmi silami a nestabilitami vyvolan\u00fdmi proud\u011bn\u00edm.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-20617","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/20617","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\/20617\/revisions"}],"predecessor-version":[{"id":101299,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/20617\/revisions\/101299"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/media?parent=20617"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/categories?post=20617"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/tags?post=20617"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}