{"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\/pt-br\/glossary\/steam-whirl\/","title":{"rendered":"O que \u00e9 Steam Whirl? Instabilidade Aerodin\u00e2mica em Turbinas"},"content":{"rendered":"<h1>Compreendendo o Steam Whirl em M\u00e1quinas Rotativas<\/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\/pt-br\/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\/pt-br\/product\/balanset-1\/\" title=\"Portable balancer &#038; Vibration analyzer 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=\"Balanset-1A full kit portable balancer and vibration analyzer\" 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\/pt-br\/product-category\/devices\/\" rel=\"tag\">Dispositivos<\/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\/pt-br\/product\/balanset-1\/\" title=\"Portable balancer &#038; Vibration analyzer Balanset-1A\">Balanceador port\u00e1til &#038; Analisador de vibra\u00e7\u00e3o 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\">&euro;<\/span>1,975.00<\/span> + IVA (se aplic\u00e1vel)<\/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=\"\/pt-br\/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=\"Adicionar ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" 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=\"\/pt-br\/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=\"Adicione ao carrinho: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar ao carrinho<\/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\/pt-br\/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\/pt-br\/product\/vibration-sensor\/\" title=\"Sensor de vibra\u00e7\u00e3o\">\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=\"Balanset-1A vibration sensor close-up\" 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\/pt-br\/product-category\/parts\/\" rel=\"tag\">Pe\u00e7as<\/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\/pt-br\/product\/vibration-sensor\/\" title=\"Sensor de vibra\u00e7\u00e3o\">Sensor de vibra\u00e7\u00e3o<\/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\">&euro;<\/span>90.00<\/span> + IVA (se aplic\u00e1vel)<\/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=\"\/pt-br\/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=\"Adicionar ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" 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=\"\/pt-br\/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=\"Adicione ao carrinho: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar ao carrinho<\/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\/pt-br\/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\/pt-br\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Sensor \u00d3ptico (Tac\u00f4metro a Laser)\">\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=\"Sensor \u00d3ptico (Tac\u00f4metro a Laser)\" 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\/pt-br\/product-category\/parts\/\" rel=\"tag\">Pe\u00e7as<\/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\/pt-br\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Sensor \u00d3ptico (Tac\u00f4metro a Laser)\">Sensor \u00d3ptico (Tac\u00f4metro a Laser)<\/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\">&euro;<\/span>124.00<\/span> + IVA (se aplic\u00e1vel)<\/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=\"\/pt-br\/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=\"Adicionar ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" 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=\"\/pt-br\/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=\"Adicione ao carrinho: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar ao carrinho<\/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\/pt-br\/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\/pt-br\/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=\"Vibromera rotor balancing kit: carry case, multi-channel signal conditioner, handheld analyzer, magnetic base, vibration sensors, and coiled cables.\" 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\/pt-br\/product-category\/devices\/\" rel=\"tag\">Dispositivos<\/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\/pt-br\/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\">&euro;<\/span>6,803.00<\/span> + IVA (se aplic\u00e1vel)<\/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=\"\/pt-br\/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=\"Adicionar ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" 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=\"\/pt-br\/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=\"Adicione ao carrinho: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar ao carrinho<\/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\/pt-br\/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\/pt-br\/product\/magnet-stand\/\" title=\"Suporte Magn\u00e9tico 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=\"Magnet base.\" 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\/pt-br\/product-category\/parts\/\" rel=\"tag\">Pe\u00e7as<\/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\/pt-br\/product\/magnet-stand\/\" title=\"Suporte Magn\u00e9tico Insize-60-kgf\">Suporte Magn\u00e9tico 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\">&euro;<\/span>46.00<\/span> + IVA (se aplic\u00e1vel)<\/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=\"\/pt-br\/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=\"Adicionar ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" 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=\"\/pt-br\/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=\"Adicione ao carrinho: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar ao carrinho<\/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\/pt-br\/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\/pt-br\/product\/reflective-tape\/\" title=\"Fita refletiva\">\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=\"Fita refletiva\" 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\/pt-br\/product-category\/parts\/\" rel=\"tag\">Pe\u00e7as<\/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\/pt-br\/product\/reflective-tape\/\" title=\"Fita refletiva\">Fita refletiva<\/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\">&euro;<\/span>10.00<\/span> + IVA (se aplic\u00e1vel)<\/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=\"\/pt-br\/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=\"Adicionar ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" 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=\"\/pt-br\/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=\"Adicione ao carrinho: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar ao carrinho<\/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\/pt-br\/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\/pt-br\/product\/dynamic-balancer-balanset-1a\/\" title=\"Balanceador din\u00e2mico \u201cBalanset-1A\u201d 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=\"Balanset-1A kit contents with interface unit, sensors, tachometer and accessories\" 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\/pt-br\/product-category\/devices\/\" rel=\"tag\">Dispositivos<\/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\/pt-br\/product\/dynamic-balancer-balanset-1a\/\" title=\"Balanceador din\u00e2mico \u201cBalanset-1A\u201d OEM\">Balanceador din\u00e2mico \u201cBalanset-1A\u201d 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\">&euro;<\/span>1,735.00<\/span> + IVA (se aplic\u00e1vel)<\/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=\"\/pt-br\/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=\"Adicionar ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" 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=\"\/pt-br\/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=\"Adicione ao carrinho: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar ao carrinho<\/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>Steam whirl<\/strong> \u2014 tamb\u00e9m chamado de instabilidade de acoplamento cruzado aerodin\u00e2mico ou seal whirl \u2014 \u00e9 uma <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/self-excited-vibration\/\">vibra\u00e7\u00e3o auto-excitada<\/a> que surge em turbinas a vapor e a g\u00e1s quando for\u00e7as aerodin\u00e2micas dentro de veda\u00e7\u00f5es labir\u00ednticas, folgas nas pontas das p\u00e1s ou outras passagens anulares geram uma for\u00e7a tangencial desestabilizadora no <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/rotor\/\">rotor<\/a>. Assim como <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/oil-whirl\/\">oil whirl<\/a> em mancais hidrodin\u00e2micos, \u00e9 uma forma de <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/rotor-instability\/\">instabilidade do rotor<\/a> na qual a energia \u00e9 continuamente extra\u00edda do fluxo constante de vapor ou g\u00e1s e convertida em movimento orbital do eixo. O resultado \u00e9 uma vibra\u00e7\u00e3o de alta amplitude <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/sub-synchronous\/\">subs\u00edncrono<\/a> <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/vibration\/\">vibra\u00e7\u00e3o<\/a> em uma frequ\u00eancia pr\u00f3xima a uma das frequ\u00eancias naturais do rotor <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/natural-frequency\/\">frequ\u00eancias naturais<\/a> \u2014 e, se n\u00e3o for detectada e corrigida rapidamente, pode levar uma m\u00e1quina \u00e0 falha catastr\u00f3fica.<\/p>\n<h2>1. Mecanismo F\u00edsico<\/h2>\n<p>O steam whirl \u00e9 fundamentalmente uma intera\u00e7\u00e3o fluido-estrutura nas folgas estreitas das veda\u00e7\u00f5es da turbina. Ele se desenvolve em tr\u00eas etapas interligadas.<\/p>\n<h3>Folgas das Veda\u00e7\u00f5es Labir\u00ednticas<\/h3>\n<ul>\n<li>Vapor ou g\u00e1s flui por passagens anulares estreitas entre componentes rotativos e estacion\u00e1rios dos selos.<\/li>\n<li>Uma alta diferen\u00e7a de press\u00e3o atua atrav\u00e9s das veda\u00e7\u00f5es \u2014 frequentemente 50\u2013200 bar em m\u00e1quinas grandes.<\/li>\n<li>As folgas radiais s\u00e3o estreitas, tipicamente 0,2\u20130,5 mm.<\/li>\n<li>O fluxo adquire um redemoinho, um componente de velocidade tangencial, ao passar pelos dentes da veda\u00e7\u00e3o.<\/li>\n<\/ul>\n<h3>Acoplamento Cruzado Aerodin\u00e2mico<\/h3>\n<p>A instabilidade nasce no momento em que o rotor \u00e9 deslocado de sua posi\u00e7\u00e3o centralizada:<\/p>\n<ul>\n<li>A folga torna-se assim\u00e9trica \u2014 menor de um lado, maior do lado oposto.<\/li>\n<li>A distribui\u00e7\u00e3o de fluxo e press\u00e3o ao redor da veda\u00e7\u00e3o torna-se n\u00e3o uniforme.<\/li>\n<li>A for\u00e7a aerodin\u00e2mica resultante ganha um <em>tangencial<\/em> componente, atuando perpendicularmente ao deslocamento em vez de se opor a ele.<\/li>\n<li>Essa for\u00e7a tangencial se comporta como um &#8220;amortecimento negativo&#8221; desestabilizador, <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/stiffness\/\">rigidez<\/a>empurrando o rotor ao longo de sua \u00f3rbita em vez de de volta ao centro.<\/li>\n<\/ul>\n<h3>Vibra\u00e7\u00e3o Auto-Excitada<\/h3>\n<ul>\n<li>A for\u00e7a tangencial leva o rotor a uma \u00f3rbita <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/whirl\/\">precess\u00e3o<\/a> direta.<\/li>\n<li>A frequ\u00eancia da \u00f3rbita se estabiliza perto de uma frequ\u00eancia natural, sendo, portanto, sub-s\u00edncrona.<\/li>\n<li>A energia \u00e9 continuamente extra\u00edda do fluxo de vapor para sustentar o movimento.<\/li>\n<li>A amplitude cresce at\u00e9 ser limitada pela folga dispon\u00edvel \u2014 ou pela falha da m\u00e1quina.<\/li>\n<\/ul>\n<h2>2. Condi\u00e7\u00f5es que Promovem o Steam Whirl<\/h2>\n<p>Se uma m\u00e1quina espec\u00edfica se torna inst\u00e1vel depende de um equil\u00edbrio entre as for\u00e7as desestabilizadoras das veda\u00e7\u00f5es e o <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/damping\/\">amortecimento<\/a>dispon\u00edvel. Tr\u00eas grupos de fatores inclinam esse equil\u00edbrio.<\/p>\n<h3>Fatores Geom\u00e9tricos<\/h3>\n<ul>\n<li><strong>Folgas estreitas nas veda\u00e7\u00f5es:<\/strong> folgas menores produzem for\u00e7as aerodin\u00e2micas mais fortes.<\/li>\n<li><strong>Grandes comprimentos de veda\u00e7\u00e3o:<\/strong> mais dentes de veda\u00e7\u00e3o ou se\u00e7\u00f5es de veda\u00e7\u00e3o mais longas aumentam a for\u00e7a desestabilizadora.<\/li>\n<li><strong>Alta velocidade de redemoinho:<\/strong> o fluxo que entra na veda\u00e7\u00e3o com um grande componente tangencial \u00e9 especialmente desestabilizador.<\/li>\n<li><strong>Grandes di\u00e2metros de veda\u00e7\u00e3o:<\/strong> um raio maior amplifica o momento gerado pela for\u00e7a aerodin\u00e2mica.<\/li>\n<\/ul>\n<h3>Condi\u00e7\u00f5es de Opera\u00e7\u00e3o<\/h3>\n<ul>\n<li><strong>Altas diferen\u00e7as de press\u00e3o:<\/strong> uma maior queda de press\u00e3o atrav\u00e9s da veda\u00e7\u00e3o aumenta a for\u00e7a.<\/li>\n<li><strong>Alta velocidade do rotor:<\/strong> tanto os efeitos centr\u00edfugos quanto a velocidade de redemoinho crescem com a velocidade.<\/li>\n<li><strong>Baixo amortecimento do mancal:<\/strong> amortecimento insuficiente n\u00e3o pode contrabalan\u00e7ar as for\u00e7as da veda\u00e7\u00e3o.<\/li>\n<li><strong>Condi\u00e7\u00f5es de carga leve:<\/strong> cargas baixas no mancal reduzem o amortecimento efetivo que um <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/journal-bearing\/\">mancal de deslizamento<\/a> pode fornecer.<\/li>\n<\/ul>\n<h3>Caracter\u00edsticas do Rotor<\/h3>\n<ul>\n<li><strong>Rotores flex\u00edveis:<\/strong> a <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/flexible-rotor\/\">rotor flex\u00edvel<\/a> operando acima de sua <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/critical-speed\/\">velocidades cr\u00edticas<\/a> \u00e9 mais suscet\u00edvel.<\/li>\n<li><strong>Sistemas de baixo amortecimento:<\/strong> amortecimento estrutural ou de mancal m\u00ednimo n\u00e3o deixa nada para absorver a energia.<\/li>\n<li><strong>Alta rela\u00e7\u00e3o comprimento-di\u00e2metro:<\/strong> rotores esbeltos s\u00e3o inerentemente mais propensos \u00e0 instabilidade.<\/li>\n<\/ul>\n<h2>3. Caracter\u00edsticas de Diagn\u00f3stico<\/h2>\n<h3>Assinatura de Vibra\u00e7\u00e3o<\/h3>\n<p>O steam whirl deixa um padr\u00e3o distinto que <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/vibration-analysis\/\">an\u00e1lise de vibra\u00e7\u00e3o<\/a> pode identificar com confian\u00e7a:<\/p>\n<table border=\"1\" style=\"width:100%; border-collapse:collapse;\">\n<tr>\n<th>Par\u00e2metro<\/th>\n<th>Caracter\u00edstica<\/th>\n<\/tr>\n<tr>\n<td>Frequ\u00eancia<\/td>\n<td>Sub-s\u00edncrono, tipicamente 0,3\u20130,6\u00d7 a velocidade de opera\u00e7\u00e3o, frequentemente travando em uma frequ\u00eancia natural<\/td>\n<\/tr>\n<tr>\n<td>Amplitude<\/td>\n<td>Alta \u2014 frequentemente 5\u201320 vezes a vibra\u00e7\u00e3o normal de desbalanceamento<\/td>\n<\/tr>\n<tr>\n<td>In\u00edcio<\/td>\n<td>S\u00fabito, acima de uma velocidade ou press\u00e3o de limite<\/td>\n<\/tr>\n<tr>\n<td>Depend\u00eancia da velocidade<\/td>\n<td>A frequ\u00eancia pode travar e recusar acompanhar mudan\u00e7as de velocidade<\/td>\n<\/tr>\n<tr>\n<td>\u00d3rbita<\/td>\n<td>Grande, circular ou el\u00edptica, precess\u00e3o direta<\/td>\n<\/tr>\n<tr>\n<td>Espectro<\/td>\n<td>Pico sub-s\u00edncrono dominante<\/td>\n<\/tr>\n<\/table>\n<h3>Diferencia\u00e7\u00e3o de Outras Instabilidades<\/h3>\n<ul>\n<li><strong>vs. oil whirl \/ whip:<\/strong> o steam whirl ocorre em turbinas com veda\u00e7\u00f5es labir\u00ednticas, enquanto o oil whirl ocorre em mancais de deslizamento <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/journal-bearing\/\">mancas de deslizamento<\/a>.<\/li>\n<li><strong>vs. desbalanceamento:<\/strong> o steam whirl \u00e9 sub-s\u00edncrono, enquanto <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/imbalance\/\">desbalanceamento<\/a> \u00e9 um 1\u00d7 <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/synchronous-vibration\/\">s\u00edncrono<\/a> resposta.<\/li>\n<li><strong>vs. atrito (rub):<\/strong> o steam whirl pode ocorrer sem nenhum contato, e sua frequ\u00eancia \u00e9 mais est\u00e1vel do que a vibra\u00e7\u00e3o err\u00e1tica de um <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/rotor-rub\/\">rotor rub<\/a>.<\/li>\n<\/ul>\n<h2>4. M\u00e9todos de Preven\u00e7\u00e3o e Mitiga\u00e7\u00e3o<\/h2>\n<p>A maioria das contramedidas ataca um de dois alvos: reduzir o redemoinho desestabilizador na fonte, ou adicionar amortecimento para que o rotor possa absorv\u00ea-lo. O projeto da veda\u00e7\u00e3o trata do primeiro; melhorias nos mancais e limites operacionais tratam do segundo.<\/p>\n<h3>Modifica\u00e7\u00f5es no Projeto das Veda\u00e7\u00f5es<\/h3>\n<ul>\n<li><strong>Dispositivos anti-redemoinho (freios de redemoinho):<\/strong> p\u00e1s ou defletores estacion\u00e1rios colocados a montante da veda\u00e7\u00e3o removem a velocidade tangencial do fluxo de entrada, reduzindo drasticamente a for\u00e7a de acoplamento cruzado. Esta \u00e9 a solu\u00e7\u00e3o mais eficaz e mais comum.<\/li>\n<li><strong>Veda\u00e7\u00f5es tipo favo de mel (honeycomb seals):<\/strong> substituir as superf\u00edcies lisas do labirinto por uma estrutura tipo favo de mel gera turbul\u00eancia que dissipa a energia do redemoinho e aumenta o amortecimento efetivo na regi\u00e3o da veda\u00e7\u00e3o; amplamente usado em turbinas a g\u00e1s modernas.<\/li>\n<li><strong>Aumento das folgas das veda\u00e7\u00f5es:<\/strong> folgas radiais maiores enfraquecem a for\u00e7a aerodin\u00e2mica, mas ao custo de mais vazamento e redu\u00e7\u00e3o da efici\u00eancia da turbina, portanto, isso geralmente \u00e9 apenas uma medida tempor\u00e1ria.<\/li>\n<li><strong>Veda\u00e7\u00f5es amortecedoras (damper seals):<\/strong> veda\u00e7\u00f5es projetadas para o prop\u00f3sito \u2014 pocket damper seals e hole-pattern seals \u2014 que fornecem amortecimento enquanto ainda vedam, adicionando uma for\u00e7a estabilizadora para opor-se ao acoplamento cruzado.<\/li>\n<\/ul>\n<h3>Melhorias no Sistema de Mancais<\/h3>\n<ul>\n<li><strong>Aumentar o amortecimento do mancal:<\/strong> instalar mancais de patas basculantes ou adicionar um <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/squeeze-film-damper\/\">amortecedor de filme de escoamento<\/a>.<\/li>\n<li><strong>Pr\u00e9-carga do rolamento:<\/strong> aplicar <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/preload\/\">pr\u00e9-carga<\/a> aumenta tanto a rigidez efetiva quanto o amortecimento.<\/li>\n<li><strong>Projeto otimizado do mancal:<\/strong> selecionar o tipo e configura\u00e7\u00e3o do mancal para m\u00e1xima margem de estabilidade.<\/li>\n<\/ul>\n<h3>Controles Operacionais<\/h3>\n<ul>\n<li><strong>Restri\u00e7\u00f5es de velocidade:<\/strong> manter a velocidade de opera\u00e7\u00e3o abaixo do limite de instabilidade.<\/li>\n<li><strong>Gerenciamento de carga:<\/strong> evitar opera\u00e7\u00e3o em carga leve que retira o amortecimento dos mancais.<\/li>\n<li><strong>Controle de press\u00e3o:<\/strong> reduzir os diferenciais de press\u00e3o nas veda\u00e7\u00f5es onde o processo permitir.<\/li>\n<li><strong>Monitoramento cont\u00ednuo:<\/strong> monitoramento de condi\u00e7\u00e3o em tempo real <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/condition-monitoring\/\">monitoramento de condi\u00e7\u00e3o<\/a> com alarmes sub-s\u00edncronos dedicados.<\/li>\n<\/ul>\n<h2>5. Detec\u00e7\u00e3o e Resposta de Emerg\u00eancia<\/h2>\n<h3>Sinais de Alerta Precoce<\/h3>\n<ul>\n<li>Pequenos picos sub-s\u00edncronos come\u00e7ando a aparecer no espectro de vibra\u00e7\u00e3o <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/spectrum\/\">espectro<\/a>.<\/li>\n<li>Componentes de alta frequ\u00eancia intermitentes.<\/li>\n<li>Um aumento gradual na severidade de vibra\u00e7\u00e3o geral <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/vibration-severity\/\">severidade de vibra\u00e7\u00e3o<\/a> \u00e0 medida que a velocidade se aproxima do limite.<\/li>\n<li>Mudan\u00e7as na <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/orbit\/\">\u00f3rbita<\/a> forma capturada por sondas de proximidade.<\/li>\n<\/ul>\n<h3>A\u00e7\u00f5es Imediatas Quando o Steam Whirl \u00e9 Detectado<\/h3>\n<ol>\n<li><strong>Reduzir a velocidade:<\/strong> diminuir imediatamente a velocidade abaixo do limite.<\/li>\n<li><strong>N\u00e3o adie:<\/strong> a amplitude pode crescer de aceit\u00e1vel para destrutiva em 30\u201360 segundos.<\/li>\n<li><strong>Desligamento de emerg\u00eancia:<\/strong> desligue a m\u00e1quina se uma redu\u00e7\u00e3o de velocidade for insuficiente ou imposs\u00edvel.<\/li>\n<li><strong>Documente o evento:<\/strong> registre a velocidade no in\u00edcio, a frequ\u00eancia, a amplitude de pico e as condi\u00e7\u00f5es operacionais.<\/li>\n<li><strong>N\u00e3o reinicie:<\/strong> mantenha a m\u00e1quina parada at\u00e9 que a causa raiz seja identificada e corrigida.<\/li>\n<\/ol>\n<h3>Onde os Instrumentos de Campo se Encaixam<\/h3>\n<p>Os sistemas de prote\u00e7\u00e3o instalados permanentemente lidam com o desligamento em fra\u00e7\u00f5es de segundo, mas um analisador port\u00e1til de dois canais \u00e9 inestim\u00e1vel para investigar a instabilidade ap\u00f3s a parada da m\u00e1quina e para verifica\u00e7\u00f5es de comissionamento subsequentes. Um instrumento como o <a href=\"https:\/\/vibromera.eu\/pt-br\/produto\/balanset-1\/\">Balanset-1A<\/a> captura o espectro FFT para confirmar o pico sub-s\u00edncrono, rastreia sua amplitude durante uma partida controlada e permite que um engenheiro primeiro exclua um desbalanceamento de 1\u00d7 <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/imbalance\/\">desbalanceamento<\/a> problema \u2014 medindo amplitude e fase na velocidade de opera\u00e7\u00e3o \u2014 antes de atribuir a vibra\u00e7\u00e3o a uma verdadeira instabilidade auto-excitada dos selos. Separar um desbalanceamento comum, que <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/balanceamento-de-campo\/\">balanceamento em campo<\/a> pode curar, de um verdadeiro steam whirl, que n\u00e3o pode, \u00e9 um passo diagn\u00f3stico inicial cr\u00edtico.<\/p>\n<h2>6. Ind\u00fastrias, Aplica\u00e7\u00f5es e Fen\u00f4menos Relacionados<\/h2>\n<p>O steam whirl \u00e9 de particular preocupa\u00e7\u00e3o em:<\/p>\n<ul>\n<li><strong>Gera\u00e7\u00e3o de energia:<\/strong> grandes turbinas a vapor geradoras.<\/li>\n<li><strong>Petroqu\u00edmica:<\/strong> compressores e bombas movidos a vapor.<\/li>\n<li><strong>Turbinas a g\u00e1s:<\/strong> motores de aeronaves e turbinas a g\u00e1s industriais.<\/li>\n<li><strong>Ind\u00fastrias de processo:<\/strong> qualquer turbom\u00e1quina de alta velocidade equipada com selos labir\u00ednticos.<\/li>\n<\/ul>\n<p>Ele tamb\u00e9m se enquadra em uma fam\u00edlia de instabilidades estreitamente relacionadas. <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/oil-whirl\/\">Oil whirl<\/a> compartilha o mesmo mecanismo desestabilizador, mas em um filme de \u00f3leo do mancal em vez de um selo; <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/shaft-whip\/\">shaft whip<\/a> exibe o mesmo bloqueio de frequ\u00eancia em uma frequ\u00eancia natural; e todos eles s\u00e3o membros da categoria mais ampla de <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/rotor-instability\/\">instabilidade do rotor<\/a>. Embora avan\u00e7os na tecnologia de selos e no design de mancais tenham reduzido a frequ\u00eancia com que ele aparece, entender o steam whirl continua essencial para qualquer pessoa que projete ou opere turbom\u00e1quinas de alta velocidade e alta press\u00e3o.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/\">\u2190 Voltar ao \u00cdndice Principal<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Learn about steam whirl, a self-excited vibration instability in steam turbines caused by aerodynamic cross-coupling forces in labyrinth seals and blade tip clearances.<\/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\/pt-br\/wp-json\/wp\/v2\/glossary\/255","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/glossary\/255\/revisions"}],"predecessor-version":[{"id":101413,"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/glossary\/255\/revisions\/101413"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/media?parent=255"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/categories?post=255"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/tags?post=255"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}