{"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\/pt\/glossary\/flow-turbulence\/","title":{"rendered":"O que \u00e9 turbul\u00eancia de fluxo? Vibra\u00e7\u00e3o de fluxo inst\u00e1vel"},"content":{"rendered":"<h1>Compreender a turbul\u00eancia do fluxo<\/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\/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\/product\/balanset-1\/\" title=\"Equilibrador port\u00e1til e analisador de vibra\u00e7\u00f5es 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 kit completo de balanceador port\u00e1til e analisador de vibra\u00e7\u00f5es\" 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\/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\/product\/balanset-1\/\" title=\"Equilibrador port\u00e1til e analisador de vibra\u00e7\u00f5es Balanset-1A\">Equilibrador port\u00e1til e analisador de vibra\u00e7\u00f5es 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> + 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\/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=\"Adicionar\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar\" 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\/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=\"Adiciona 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<\/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\/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\/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=\"Grande plano do sensor de vibra\u00e7\u00e3o Balanset-1A\" 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\/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\/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\">\u20ac<\/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\/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=\"Adicionar\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar\" 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\/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=\"Adiciona 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<\/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\/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\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Sensor \u00f3tico (tac\u00f3metro 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 \u00f3tico (tac\u00f3metro 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\/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\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Sensor \u00f3tico (tac\u00f3metro laser)\">Sensor \u00f3tico (tac\u00f3metro 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\">\u20ac<\/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\/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=\"Adicionar\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar\" 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\/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=\"Adiciona 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<\/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\/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\/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=\"Kit de balanceamento de rotor Vibromera: estojo de transporte, condicionador de sinal multicanal, analisador port\u00e1til, base magn\u00e9tica, sensores de vibra\u00e7\u00e3o e cabos espiralados.\" 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\/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\/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> + 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\/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=\"Adicionar\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar\" 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\/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=\"Adiciona 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<\/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\/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\/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=\"Base magn\u00e9tica.\" 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\/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\/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\">\u20ac<\/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\/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=\"Adicionar\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar\" 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\/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=\"Adiciona 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<\/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\/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\/product\/reflective-tape\/\" title=\"Fita refletora\">\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 refletora\" 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\/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\/product\/reflective-tape\/\" title=\"Fita refletora\">Fita refletora<\/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> + 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\/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=\"Adicionar\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar\" 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\/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=\"Adiciona 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<\/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\/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\/product\/dynamic-balancer-balanset-1a\/\" title=\"Balanceador din\u00e2mico &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=\"Conte\u00fado do kit Balanset-1A com unidade de interface, sensores, tac\u00f3metro e acess\u00f3rios\" 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\/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\/product\/dynamic-balancer-balanset-1a\/\" title=\"Balanceador din\u00e2mico &quot;Balanset-1A&quot; OEM\">Balanceador din\u00e2mico \"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> + 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\/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=\"Adicionar\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar\" 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\/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=\"Adiciona 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<\/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>Turbul\u00eancia de fluxo<\/strong> \u00e9 um movimento ca\u00f3tico e irregular do fluido \u2014 flutua\u00e7\u00f5es aleat\u00f3rias de velocidade, redemoinhos e v\u00f3rtices \u2014 no interior de bombas, ventiladores, compressores e sistemas de tubagem. Ao contr\u00e1rio do fluxo laminar regular, no qual as part\u00edculas do fluido se deslocam em trajet\u00f3rias paralelas e ordenadas, o fluxo turbulento \u00e9 genuinamente tridimensional e aleat\u00f3rio, com a velocidade e a press\u00e3o a variarem continuamente de um instante para o outro. Em m\u00e1quinas rotativas, essa instabilidade \u00e9 importante: a turbul\u00eancia exerce for\u00e7as inst\u00e1veis sobre os impulsores e as p\u00e1s, gerando <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/vibration\/\">vibra\u00e7\u00e3o<\/a> e ru\u00eddo, dissipando energia e alimentando o componente <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/fatigue\/\">fadiga<\/a>. \u00c9 inevit\u00e1vel que haja alguma turbul\u00eancia e, muitas vezes, esta \u00e9 at\u00e9 desej\u00e1vel \u2014 pois promove a mistura e a transfer\u00eancia de calor \u2014, mas a turbul\u00eancia excessiva resultante de m\u00e1s condi\u00e7\u00f5es na entrada, de um funcionamento fora dos par\u00e2metros de projeto ou da separa\u00e7\u00e3o do fluxo causa problemas de vibra\u00e7\u00e3o, reduz a efici\u00eancia e acelera o desgaste mec\u00e2nico.<\/p>\n<h2>1. Defini\u00e7\u00e3o: O que \u00e9 a turbul\u00eancia do fluxo?<\/h2>\n<p>A caracter\u00edstica distintiva da turbul\u00eancia, do ponto de vista do diagn\u00f3stico, \u00e9 que se trata de <em>banda larga<\/em>. Uma avaria mec\u00e2nica, como <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/unbalance\/\">desequil\u00edbrio<\/a> concentra a sua energia numa frequ\u00eancia discreta; a turbul\u00eancia espalha a sua energia por uma ampla banda, elevando todo o ru\u00eddo de fundo do <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/spectrum\/\">espetro de vibra\u00e7\u00e3o<\/a> em vez de apresentar um pico acentuado. \u00c9 o reconhecimento dessa distin\u00e7\u00e3o que permite a um analista afirmar \u00abtrata-se de um problema de fluxo, n\u00e3o de natureza mec\u00e2nica\u00bb \u2014 e orientar a resposta para as condi\u00e7\u00f5es de funcionamento e a rede de condutas, em vez de para os rolamentos e os contrapesos.<\/p>\n<h2>2. Caracter\u00edsticas do fluxo turbulento<\/h2>\n<h3>Transi\u00e7\u00e3o do regime de fluxo<\/h3>\n<p>O fluxo passa de laminar para turbulento em fun\u00e7\u00e3o do n\u00famero de Reynolds:<\/p>\n<ul>\n<li><strong>N\u00famero de Reynolds (Re):<\/strong> Re = (\u03c1 \u00d7 V \u00d7 D) \/ \u00b5.<\/li>\n<li>Onde \u03c1 = densidade, V = velocidade, D = dimens\u00e3o caracter\u00edstica, \u00b5 = viscosidade<\/li>\n<li><strong>Fluxo laminar:<\/strong> Abaixo de 2300 (suave, ordenado).<\/li>\n<li><strong>De transi\u00e7\u00e3o:<\/strong> De 2300 a 4000.<\/li>\n<li><strong>Fluxo turbulento:<\/strong> Acima de 4000 (ca\u00f3tico, irregular).<\/li>\n<li><strong>Maquinaria industrial:<\/strong> funciona quase sempre em regime turbulento.<\/li>\n<\/ul>\n<p>Uma vez que o regime depende deste \u00fanico grupo adimensional, uma r\u00e1pida <a href=\"https:\/\/vibromera.eu\/pt\/calculators\/reynolds-number-calculator\/\">C\u00e1lculo do n\u00famero de Reynolds<\/a> permite determinar imediatamente se um determinado fluxo \u00e9 laminar ou turbulento para um determinado di\u00e2metro de tubagem e fluido.<\/p>\n<h3>Caracter\u00edsticas da turbul\u00eancia<\/h3>\n<ul>\n<li><strong>Flutua\u00e7\u00f5es aleat\u00f3rias da velocidade:<\/strong> a velocidade instant\u00e2nea oscila caoticamente em torno do seu valor m\u00e9dio.<\/li>\n<li><strong>Redemoinhos e v\u00f3rtices:<\/strong> estruturas em espiral que abrangem uma vasta gama de tamanhos.<\/li>\n<li><strong>Cascata de energia:<\/strong> os grandes redemoinhos fragmentam-se em redemoinhos cada vez mais pequenos.<\/li>\n<li><strong>Mistura:<\/strong> mistura r\u00e1pida de momento, calor e massa.<\/li>\n<li><strong>Dissipa\u00e7\u00e3o de energia:<\/strong> O atrito turbulento transforma a energia cin\u00e9tica em calor.<\/li>\n<\/ul>\n<h2>3. Fontes de turbul\u00eancia nas m\u00e1quinas<\/h2>\n<h3>Perturba\u00e7\u00f5es na entrada<\/h3>\n<ul>\n<li><strong>Mau projeto da entrada:<\/strong> curvas acentuadas, obstru\u00e7\u00f5es ou comprimento insuficiente do tubo reto.<\/li>\n<li><strong>Redemoinho:<\/strong> pr\u00e9-rota\u00e7\u00e3o do fluido \u00e0 medida que este entra no impulsor ou no ventilador.<\/li>\n<li><strong>Velocidade n\u00e3o uniforme:<\/strong> um perfil de velocidade que se desvia do ideal.<\/li>\n<li><strong>Efeito:<\/strong> maior intensidade de turbul\u00eancia, vibra\u00e7\u00e3o elevada e desempenho reduzido.<\/li>\n<\/ul>\n<h3>Separa\u00e7\u00e3o do escoamento<\/h3>\n<ul>\n<li><strong>Gradientes de press\u00e3o adversos:<\/strong> o fluxo separa-se das superf\u00edcies.<\/li>\n<li><strong>Funcionamento fora das condi\u00e7\u00f5es nominais:<\/strong> \u00c2ngulos de escoamento incorretos provocam a separa\u00e7\u00e3o nas p\u00e1s.<\/li>\n<li><strong>Estol:<\/strong> separa\u00e7\u00e3o ampla no lado de suc\u00e7\u00e3o da p\u00e1.<\/li>\n<li><strong>Resultado:<\/strong> intensidade de turbul\u00eancia muito elevada e for\u00e7as ca\u00f3ticas.<\/li>\n<\/ul>\n<h3>Regi\u00f5es de esteira<\/h3>\n<ul>\n<li>Formam-se esteiras turbulentas a jusante das p\u00e1s, dos suportes e dos obst\u00e1culos.<\/li>\n<li>A intensidade da turbul\u00eancia \u00e9 elevada na esteira.<\/li>\n<li>Os componentes a jusante sofrem as for\u00e7as inst\u00e1veis resultantes.<\/li>\n<li>A intera\u00e7\u00e3o entre a p\u00e1 e a esteira \u00e9 especialmente importante em m\u00e1quinas de m\u00faltiplos est\u00e1gios.<\/li>\n<\/ul>\n<h3>Regi\u00f5es de alta velocidade<\/h3>\n<ul>\n<li>A intensidade da turbul\u00eancia aumenta geralmente com a velocidade.<\/li>\n<li>As pontas do impulsor e os bicos de descarga s\u00e3o zonas de elevada turbul\u00eancia.<\/li>\n<li>Isto provoca for\u00e7as elevadas e desgaste localizados.<\/li>\n<\/ul>\n<h2>4. Efeitos nas m\u00e1quinas<\/h2>\n<h3>Gera\u00e7\u00e3o de vibra\u00e7\u00f5es<\/h3>\n<ul>\n<li><strong>Vibra\u00e7\u00e3o de banda larga:<\/strong> A turbul\u00eancia produz for\u00e7as aleat\u00f3rias numa ampla gama de frequ\u00eancias.<\/li>\n<li><strong>Espetro:<\/strong> um ru\u00eddo de fundo elevado, em vez de picos isolados.<\/li>\n<li><strong>Amplitude:<\/strong> aumenta com a intensidade da turbul\u00eancia.<\/li>\n<li><strong>Gama de frequ\u00eancias:<\/strong> normalmente entre 10 e 500 Hz no caso de vibra\u00e7\u00f5es induzidas por turbul\u00eancia.<\/li>\n<\/ul>\n<h3>Gera\u00e7\u00e3o de ru\u00eddo<\/h3>\n<ul>\n<li>A turbul\u00eancia \u00e9 a principal fonte de ru\u00eddo aerodin\u00e2mico.<\/li>\n<li>Produz um som de banda larga semelhante a um &#8220;sibilo&#8221; ou a um &#8220;ru\u00eddo de corrente&#8221;.<\/li>\n<li>O n\u00edvel de ru\u00eddo varia proporcionalmente \u00e0 sexta pot\u00eancia da velocidade \u2014 sendo, portanto, extremamente sens\u00edvel \u00e0 velocidade.<\/li>\n<li>Pode ser a principal fonte de ru\u00eddo em ventiladores de alta velocidade.<\/li>\n<\/ul>\n<h3>Perdas de efici\u00eancia<\/h3>\n<ul>\n<li>O atrito turbulento dissipa energia \u00fatil.<\/li>\n<li>Reduz tanto o aumento da press\u00e3o como o caudal fornecido.<\/li>\n<li>As perdas por turbul\u00eancia variam normalmente entre 2 % e 10 % da pot\u00eancia de entrada.<\/li>\n<li>Esses problemas agravam-se quando o equipamento n\u00e3o \u00e9 utilizado de acordo com as especifica\u00e7\u00f5es.<\/li>\n<\/ul>\n<h3>Fadiga dos componentes<\/h3>\n<ul>\n<li>As for\u00e7as aleat\u00f3rias e vari\u00e1veis exercem uma tens\u00e3o c\u00edclica.<\/li>\n<li>O ciclo de tens\u00e3o tem uma frequ\u00eancia elevada.<\/li>\n<li>Contribui para a fadiga das p\u00e1s e da estrutura, especialmente quando coincide com um <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/blade-resonance\/\">resson\u00e2ncia das p\u00e1s<\/a>.<\/li>\n<li>Isto \u00e9 especialmente preocupante a velocidades elevadas.<\/li>\n<\/ul>\n<h3>Eros\u00e3o e desgaste<\/h3>\n<ul>\n<li>A turbul\u00eancia agrava a eros\u00e3o em condi\u00e7\u00f5es de abras\u00e3o.<\/li>\n<li>As part\u00edculas mantidas em suspens\u00e3o pela turbul\u00eancia colidem com as superf\u00edcies.<\/li>\n<li>O desgaste \u00e9 acelerado em zonas de elevada turbul\u00eancia.<\/li>\n<\/ul>\n<h2>5. Detec\u00e7\u00e3o e diagn\u00f3stico<\/h2>\n<h3>Indicadores do espetro de vibra\u00e7\u00e3o<\/h3>\n<ul>\n<li><strong>Banda larga elevada:<\/strong> um ru\u00eddo de fundo elevado em todo o espetro.<\/li>\n<li><strong>Aus\u00eancia de picos distintos:<\/strong> ao contr\u00e1rio das avarias mec\u00e2nicas, que se manifestam em frequ\u00eancias espec\u00edficas.<\/li>\n<li><strong>Dependente do fluxo:<\/strong> O n\u00edvel de banda larga varia em fun\u00e7\u00e3o do caudal.<\/li>\n<li><strong>M\u00ednimo no BEP:<\/strong> A turbul\u00eancia \u00e9 m\u00ednima no ponto de projeto.<\/li>\n<\/ul>\n<p>\u00c9 precisamente esta caracter\u00edstica de banda larga e dependente do caudal que um analisador port\u00e1til serve para confirmar no local. A leitura do espetro nas caixas de rolamentos com o <a href=\"https:\/\/vibromera.eu\/pt\/produto\/balanset-1\/\">Balanset-1A<\/a> permite a um engenheiro determinar se um n\u00edvel geral elevado se deve a um ru\u00eddo de fundo aumentado \u2014 indicando turbul\u00eancia \u2014 ou a um pico isolado de 1\u00d7, indicando um desequil\u00edbrio que exige <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/equilibrio-de-campos\/\">equilibragem no local<\/a>. Observar como esse n\u00edvel se altera \u00e0 medida que o caudal varia permite, muitas vezes, confirmar o diagn\u00f3stico sem ser necess\u00e1rio abrir a m\u00e1quina.<\/p>\n<h3>An\u00e1lise ac\u00fastica<\/h3>\n<ul>\n<li>Efetuar <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/sound-pressure-level\/\">n\u00edvel de press\u00e3o sonora<\/a> medidas.<\/li>\n<li>Um aumento do ru\u00eddo de banda larga indica turbul\u00eancia.<\/li>\n<li>O espetro ac\u00fastico reflete o espetro de vibra\u00e7\u00e3o.<\/li>\n<li>Microfones direcionais podem localizar fontes de turbul\u00eancia.<\/li>\n<\/ul>\n<h3>Visualiza\u00e7\u00e3o do fluxo<\/h3>\n<ul>\n<li>Din\u00e2mica de fluidos computacional (CFD) durante a fase de projeto.<\/li>\n<li>Fitas de fluxo ou visualiza\u00e7\u00e3o de fumo durante os ensaios.<\/li>\n<li>Medi\u00e7\u00f5es de press\u00e3o que revelam as flutua\u00e7\u00f5es.<\/li>\n<li>Velocimetria por imagem de part\u00edculas (PIV) em contextos de investiga\u00e7\u00e3o.<\/li>\n<\/ul>\n<h2>6. Estrat\u00e9gias de mitiga\u00e7\u00e3o<\/h2>\n<h3>Melhorias no projeto da entrada<\/h3>\n<ul>\n<li>Preveja um trecho de tubagem reta a montante com comprimento adequado \u2014 no m\u00ednimo, de 5 a 10 di\u00e2metros.<\/li>\n<li>Elimine curvas acentuadas imediatamente antes da entrada.<\/li>\n<li>Instale alisadores de fluxo ou aletas defletoras.<\/li>\n<li>Utilize entradas em forma de camp\u00e2nula ou aerodin\u00e2micas para reduzir a forma\u00e7\u00e3o de turbul\u00eancia.<\/li>\n<\/ul>\n<h3>Otimiza\u00e7\u00e3o do ponto de funcionamento<\/h3>\n<ul>\n<li>Opere pr\u00f3ximo do ponto de m\u00e1xima efici\u00eancia (BEP).<\/li>\n<li>Nesse caso, os \u00e2ngulos de fluxo coincidem com os \u00e2ngulos das p\u00e1s, minimizando a separa\u00e7\u00e3o.<\/li>\n<li>A gera\u00e7\u00e3o de turbul\u00eancia est\u00e1 no seu n\u00edvel mais baixo.<\/li>\n<li>O controlo de velocidade vari\u00e1vel ajuda a manter esse ponto ideal.<\/li>\n<\/ul>\n<h3>Altera\u00e7\u00f5es ao projeto<\/h3>\n<ul>\n<li>Transi\u00e7\u00f5es suaves nas passagens de fluxo, sem cantos acentuados.<\/li>\n<li>Difusores para desacelerar o fluxo gradualmente.<\/li>\n<li>Supressores de v\u00f3rtices ou dispositivos anti-redemoinho.<\/li>\n<li>Revestimento ac\u00fastico para absorver ru\u00eddos gerados pela turbul\u00eancia<\/li>\n<\/ul>\n<h2>7. A turbul\u00eancia em compara\u00e7\u00e3o com outros fen\u00f3menos de fluxo<\/h2>\n<p>A turbul\u00eancia \u00e9 uma das v\u00e1rias fontes de vibra\u00e7\u00e3o de banda larga relacionadas com o fluxo, e distingui-la das outras fontes permite um diagn\u00f3stico mais preciso.<\/p>\n<h3>Turbul\u00eancia vs. cavita\u00e7\u00e3o<\/h3>\n<ul>\n<li><strong>Turbul\u00eancia:<\/strong> de banda larga, cont\u00ednua e dependente do caudal.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/pt\/glossary\/cavitation\/\">Cavita\u00e7\u00e3o<\/a>:<\/strong> impulsivo, com frequ\u00eancia mais elevada e dependente do NPSH.<\/li>\n<li><strong>Ambos:<\/strong> podem coexistir e ambas geram vibra\u00e7\u00f5es de banda larga.<\/li>\n<\/ul>\n<h3>Turbul\u00eancia vs. recircula\u00e7\u00e3o<\/h3>\n<ul>\n<li><strong>Turbul\u00eancia:<\/strong> aleat\u00f3rios, de banda larga e presentes em todos os caudais.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/pt\/glossary\/recirculation\/\">Recircula\u00e7\u00e3o<\/a>:<\/strong> uma instabilidade organizada com pulsa\u00e7\u00f5es de baixa frequ\u00eancia que s\u00f3 se manifesta em condi\u00e7\u00f5es de baixo caudal.<\/li>\n<li><strong>Rela\u00e7\u00e3o:<\/strong> As zonas de recircula\u00e7\u00e3o s\u00e3o, por si s\u00f3, altamente turbulentas.<\/li>\n<\/ul>\n<p>Tamb\u00e9m vale a pena distinguir a turbul\u00eancia do fluxo da no\u00e7\u00e3o mais ampla de <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/turbulence\/\">turbul\u00eancia tal como se manifesta num sinal de vibra\u00e7\u00e3o<\/a>, e das cargas aerodin\u00e2micas catalogadas em <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/aerodynamic-forces\/\">for\u00e7as aerodin\u00e2micas<\/a> \u2014 a mesma f\u00edsica, vista do ponto de vista estrutural da m\u00e1quina.<\/p>\n<p>A turbul\u00eancia do fluxo \u00e9 uma caracter\u00edstica inerente ao fluxo de fluidos a alta velocidade em m\u00e1quinas rotativas. Embora seja inevit\u00e1vel, a sua intensidade e os seus efeitos podem ser minimizados atrav\u00e9s de um bom projeto da entrada, do funcionamento pr\u00f3ximo do ponto de projeto e de uma otimiza\u00e7\u00e3o cuidadosa do fluxo. Compreender a turbul\u00eancia como a fonte de vibra\u00e7\u00f5es e ru\u00eddo de banda larga permite ao analista distingui-la claramente de falhas mec\u00e2nicas de frequ\u00eancia discreta e direcionar os esfor\u00e7os de corre\u00e7\u00e3o para as condi\u00e7\u00f5es do fluxo, em vez de para repara\u00e7\u00f5es mec\u00e2nicas.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/pt\/glossary\/\">\u2190 Voltar ao \u00edndice principal<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Aprenda sobre turbul\u00eancia de fluxo em bombas e ventiladores, o movimento ca\u00f3tico do fluido que cria vibra\u00e7\u00e3o de banda larga, ru\u00eddo e perdas de efici\u00eancia, intensificadas em condi\u00e7\u00f5es operacionais fora do projeto.<\/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\/pt\/wp-json\/wp\/v2\/glossary\/121","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/121\/revisions"}],"predecessor-version":[{"id":101334,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/121\/revisions\/101334"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/media?parent=121"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/categories?post=121"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/tags?post=121"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}