{"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\/ro\/glossary\/flow-turbulence\/","title":{"rendered":"Ce este turbulen\u021ba fluxului? Vibra\u021bia fluxului instabil"},"content":{"rendered":"<h1>\u00cen\u021belegerea turbulen\u021belor de flux<\/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\/ro\/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\/ro\/product\/balanset-1\/\" title=\"Echilibrator portabil \u0219i analizor de vibra\u021bii 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 complet \u2014 echilibrator portabil \u0219i analizor de vibra\u021bii\" 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\/ro\/product-category\/devices\/\" rel=\"tag\">Dispozitive<\/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\/ro\/product\/balanset-1\/\" title=\"Echilibrator portabil \u0219i analizor de vibra\u021bii Balanset-1A\">Echilibrator portabil \u0219i analizor de vibra\u021bii 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> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/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=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/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=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Portable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201ePortable balancer &amp; Vibration analyzer Balanset-1A\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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\/ro\/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\/ro\/product\/vibration-sensor\/\" title=\"Senzor de vibra\u021bii\">\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=\"Prim-plan senzor de vibra\u021bii 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\/ro\/product-category\/parts\/\" rel=\"tag\">Piese<\/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\/ro\/product\/vibration-sensor\/\" title=\"Senzor de vibra\u021bii\">Senzor de vibra\u021bii<\/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> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/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=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/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=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Vibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201eVibration sensor\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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\/ro\/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\/ro\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Senzor optic (tahometru cu 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=\"Senzor optic (tahometru cu 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\/ro\/product-category\/parts\/\" rel=\"tag\">Piese<\/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\/ro\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Senzor optic (tahometru cu laser)\">Senzor optic (tahometru cu 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> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/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=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/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=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Optical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201eOptical Sensor (Laser Tachometer)\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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\/ro\/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\/ro\/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 echilibrare a rotorului Vibromera: geant\u0103 de transport, condi\u021bioner de semnal multicanal, analizor portabil, baz\u0103 magnetic\u0103, senzori de vibra\u021bii \u0219i cabluri spiralate.\" 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\/ro\/product-category\/devices\/\" rel=\"tag\">Dispozitive<\/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\/ro\/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> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/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=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/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=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Balanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201eBalanset-4\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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\/ro\/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\/ro\/product\/magnet-stand\/\" title=\"Stand magnetic 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=\"Baza magnetic\u0103.\" 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, 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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> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/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=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/wp-json\/wp\/v2\/glossary\/121?add-to-cart=1852\" 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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\/ro\/product-category\/parts\/\" rel=\"tag\">Piese<\/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\/ro\/product\/reflective-tape\/\" title=\"Band\u0103 reflectorizant\u0103\">Band\u0103 reflectorizant\u0103<\/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> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/wp-json\/wp\/v2\/glossary\/121?add-to-cart=2329\" data-quantity=\"1\" data-product_id=\"2329\" 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data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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\/ro\/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\/ro\/product\/dynamic-balancer-balanset-1a\/\" title=\"Echilibrator dinamic &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=\"Con\u021binutul kitului Balanset-1A cu unitate de interfa\u021b\u0103, senzori, tahometru \u0219i accesorii\" 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\/ro\/product-category\/devices\/\" rel=\"tag\">Dispozitive<\/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\/ro\/product\/dynamic-balancer-balanset-1a\/\" title=\"Echilibrator dinamic &quot;Balanset-1A&quot; OEM\">Echilibrator dinamic \"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> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/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=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/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=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Dynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201eDynamic balancer \u201cBalanset-1A\u201d OEM\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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>Turbulen\u021ba fluxului<\/strong> este o mi\u0219care haotic\u0103 \u0219i neregulat\u0103 a fluidului \u2014 fluctua\u021bii aleatorii de vitez\u0103, v\u00e2rtejuri \u0219i turbioane \u2014 \u00een pompe, ventilatoare, compresoare \u0219i sisteme de conducte. Spre deosebire de curgerea laminar\u0103 lin\u0103, \u00een care particulele de fluid se deplaseaz\u0103 pe traiectorii paralele ordonate, curgerea turbulent\u0103 este cu adev\u0103rat tridimensional\u0103 \u0219i aleatorie, viteza \u0219i presiunea variind continuu de la o clip\u0103 la alta. \u00cen ma\u0219inile rotative, aceast\u0103 nelini\u0219te conteaz\u0103: turbulen\u021ba impune for\u021be nesta\u021bionare asupra rotoarelor \u0219i paletelor, gener\u00e2nd vibra\u021bii de band\u0103 larg\u0103 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/vibration\/\">vibra\u021bii<\/a> \u0219i zgomot, disip\u00e2nd energie \u0219i aliment\u00e2nd <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/fatigue\/\">oboseal\u0103<\/a>. O anumit\u0103 turbulen\u021b\u0103 este inevitabil\u0103 \u0219i adesea chiar de dorit \u2014 ea favorizeaz\u0103 amestecarea \u0219i transferul de c\u0103ldur\u0103 \u2014 dar turbulen\u021ba excesiv\u0103 cauzat\u0103 de condi\u021bii slabe la intrare, de func\u021bionarea \u00een afara regimului nominal sau de desprinderea curgerii creeaz\u0103 probleme de vibra\u021bii, erodeaz\u0103 randamentul \u0219i accelereaz\u0103 uzura mecanic\u0103.<\/p>\n<h2>1. Defini\u021bie: Ce este turbulen\u021ba curgerii?<\/h2>\n<p>Caracteristica definitorie a turbulen\u021bei, din punct de vedere diagnostic, este c\u0103 ea este <em>band\u0103 larg\u0103<\/em>. O defec\u021biune mecanic\u0103 precum <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/unbalance\/\">dezechilibru<\/a> \u00ee\u0219i concentreaz\u0103 energia la o frecven\u021b\u0103 discret\u0103; turbulen\u021ba \u00ee\u0219i \u00eempr\u0103\u0219tie energia pe o band\u0103 larg\u0103, ridic\u00e2nd \u00eentreg nivelul de zgomot al <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/spectrum\/\">spectrul de vibra\u021bii<\/a> \u00een loc s\u0103 produc\u0103 un v\u00e2rf ascu\u021bit. Recunoa\u0219terea acestei distinc\u021bii este ceea ce \u00eei permite unui analist s\u0103 spun\u0103 &#8220;aceasta este o problem\u0103 de curgere, nu una mecanic\u0103&#8221; \u2014 \u0219i s\u0103 orienteze r\u0103spunsul spre condi\u021biile de func\u021bionare \u0219i tubulatur\u0103, mai degrab\u0103 dec\u00e2t spre rulmen\u021bi \u0219i greut\u0103\u021bi de echilibrare.<\/p>\n<h2>2. Caracteristicile curgerii turbulente<\/h2>\n<h3>Tranzi\u021bia regimului de curgere<\/h3>\n<p>Curgerea trece de la laminar\u0103 la turbulent\u0103 \u00een func\u021bie de num\u0103rul Reynolds:<\/p>\n<ul>\n<li><strong>Num\u0103rul Reynolds (Re):<\/strong> Re = (\u03c1 \u00d7 V \u00d7 D) \/ \u00b5.<\/li>\n<li>Unde \u03c1 = densitate, V = vitez\u0103, D = dimensiune caracteristic\u0103, \u00b5 = v\u00e2scozitate<\/li>\n<li><strong>Curgere laminar\u0103:<\/strong> Re sub 2300 (curgere laminar\u0103, ordonat\u0103).<\/li>\n<li><strong>Tranzitoriu:<\/strong> Re de la 2300 la 4000.<\/li>\n<li><strong>Curgere turbulent\u0103:<\/strong> Re peste 4000 (haotic\u0103, neregulat\u0103).<\/li>\n<li><strong>Utilaje industriale:<\/strong> func\u021bioneaz\u0103 aproape \u00eentotdeauna ferm \u00een regim turbulent.<\/li>\n<\/ul>\n<p>Deoarece regimul depinde de acest unic grup adimensional, un rapid <a href=\"https:\/\/vibromera.eu\/ro\/calculators\/reynolds-number-calculator\/\">Calculul num\u0103rului Reynolds<\/a> confirm\u0103 imediat dac\u0103 o anumit\u0103 curgere este laminar\u0103 sau turbulent\u0103 pentru o dimensiune de conduct\u0103 \u0219i un fluid alese.<\/p>\n<h3>Caracteristicile turbulen\u021bei<\/h3>\n<ul>\n<li><strong>Fluctua\u021bii aleatorii ale vitezei:<\/strong> viteza instantanee variaz\u0103 haotic \u00een jurul valorii sale medii.<\/li>\n<li><strong>V\u00e2rtejuri \u0219i turbioane:<\/strong> structuri turbionare care acoper\u0103 o gam\u0103 larg\u0103 de dimensiuni.<\/li>\n<li><strong>Cascada energetic\u0103:<\/strong> v\u00e2rtejurile mari se descompun progresiv \u00een v\u00e2rtejuri mai mici.<\/li>\n<li><strong>Amestecare:<\/strong> amestecarea rapid\u0103 a impulsului, c\u0103ldurii \u0219i masei.<\/li>\n<li><strong>Disiparea energiei:<\/strong> frecarea turbulent\u0103 converte\u0219te energia cinetic\u0103 \u00een c\u0103ldur\u0103.<\/li>\n<\/ul>\n<h2>3. Surse de turbulen\u021b\u0103 \u00een ma\u0219ini<\/h2>\n<h3>Perturba\u021bii la intrare<\/h3>\n<ul>\n<li><strong>Proiectare necorespunz\u0103toare a intr\u0103rii:<\/strong> curbe abrupte, obstacole sau lungime insuficient\u0103 a conductei drepte.<\/li>\n<li><strong>V\u00e2rtej:<\/strong> prerota\u021bia fluidului la intrarea \u00een rotor sau ventilator.<\/li>\n<li><strong>Vitez\u0103 neuniform\u0103:<\/strong> un profil de vitez\u0103 distorsionat fa\u021b\u0103 de cel ideal.<\/li>\n<li><strong>Efect:<\/strong> intensitate mai mare a turbulen\u021bei, vibra\u021bii crescute \u0219i performan\u021b\u0103 redus\u0103.<\/li>\n<\/ul>\n<h3>Separarea curgerii<\/h3>\n<ul>\n<li><strong>Gradien\u021bi de presiune adversi:<\/strong> curgerea se desprinde de pe suprafe\u021be.<\/li>\n<li><strong>Func\u021bionare \u00een afara parametrilor de proiectare:<\/strong> unghiurile incorecte de curgere provoac\u0103 desprinderea pe palete.<\/li>\n<li><strong>Desprinderea curentului (stall):<\/strong> desprindere extins\u0103 pe partea de aspira\u021bie a paletei.<\/li>\n<li><strong>Rezultat:<\/strong> intensitate foarte mare a turbulen\u021bei \u0219i for\u021be haotice.<\/li>\n<\/ul>\n<h3>Wake regions<\/h3>\n<ul>\n<li>\u00cen aval de palete, montan\u021bi \u0219i obstacole se formeaz\u0103 siaje turbulente.<\/li>\n<li>Intensitatea turbulen\u021bei este ridicat\u0103 \u00een interiorul siajului.<\/li>\n<li>Componentele din aval resimt for\u021bele nesta\u021bionare rezultate.<\/li>\n<li>Interac\u021biunea palet\u0103\u2013siaj este deosebit de important\u0103 \u00een ma\u0219inile cu mai multe trepte.<\/li>\n<\/ul>\n<h3>Zone cu vitez\u0103 ridicat\u0103<\/h3>\n<ul>\n<li>Intensitatea turbulen\u021bei cre\u0219te, \u00een general, odat\u0103 cu viteza.<\/li>\n<li>V\u00e2rfurile rotorului \u0219i ajutajele de refulare sunt zone cu turbulen\u021b\u0103 ridicat\u0103.<\/li>\n<li>Acestea genereaz\u0103 for\u021be ridicate localizate \u0219i uzur\u0103.<\/li>\n<\/ul>\n<h2>4. Efecte asupra utilajelor<\/h2>\n<h3>Generarea vibra\u021biilor<\/h3>\n<ul>\n<li><strong>Vibra\u021bii \u00een band\u0103 larg\u0103:<\/strong> turbulen\u021ba genereaz\u0103 for\u021be aleatorii pe un spectru larg de frecven\u021be.<\/li>\n<li><strong>Spectru:<\/strong> un nivel de zgomot de fond ridicat, mai degrab\u0103 dec\u00e2t v\u00e2rfuri discrete.<\/li>\n<li><strong>Amplitudine:<\/strong> cre\u0219te odat\u0103 cu intensitatea turbulen\u021bei.<\/li>\n<li><strong>Interval de frecven\u021b\u0103:<\/strong> de regul\u0103 10\u2013500 Hz pentru vibra\u021bia indus\u0103 de turbulen\u021b\u0103.<\/li>\n<\/ul>\n<h3>Generarea zgomotului<\/h3>\n<ul>\n<li>Turbulen\u021ba este sursa principal\u0103 a zgomotului aerodinamic.<\/li>\n<li>Produce un sunet de band\u0103 larg\u0103 de tip &#8220;\u0219uierat&#8221; sau &#8220;vuiet&#8221;.<\/li>\n<li>Nivelul de zgomot variaz\u0103 cu viteza la puterea a \u0219asea \u2014 extraordinar de sensibil la vitez\u0103.<\/li>\n<li>Aceasta poate fi sursa de zgomot dominant\u0103 la ventilatoarele de mare vitez\u0103.<\/li>\n<\/ul>\n<h3>Pierderi de eficien\u021b\u0103<\/h3>\n<ul>\n<li>Frecarea turbulent\u0103 disip\u0103 energia util\u0103.<\/li>\n<li>Reduce at\u00e2t cre\u0219terea de presiune, c\u00e2t \u0219i debitul livrat.<\/li>\n<li>Pierderile tipice prin turbulen\u021b\u0103 sunt de la 2 la 10% din puterea de intrare.<\/li>\n<li>Acestea se agraveaz\u0103 la func\u021bionarea \u00een afara regimului nominal.<\/li>\n<\/ul>\n<h3>Oboseala componentelor<\/h3>\n<ul>\n<li>For\u021bele aleatorii fluctuante impun solicit\u0103ri ciclice.<\/li>\n<li>Ciclarea solicit\u0103rilor are o frecven\u021b\u0103 ridicat\u0103.<\/li>\n<li>Contribuie la oboseala palelor \u0219i a structurii, \u00een special acolo unde coincide cu o <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/blade-resonance\/\">rezonan\u021ba palei<\/a>.<\/li>\n<li>Este deosebit de \u00eengrijor\u0103toare la viteze mari.<\/li>\n<\/ul>\n<h3>Eroziune \u0219i uzur\u0103<\/h3>\n<ul>\n<li>Turbulen\u021ba intensific\u0103 eroziunea \u00een regimurile de lucru abrazive.<\/li>\n<li>Particulele men\u021binute \u00een suspensie de turbulen\u021b\u0103 lovesc suprafe\u021bele.<\/li>\n<li>Uzura este accelerat\u0103 \u00een zonele cu turbulen\u021b\u0103 ridicat\u0103.<\/li>\n<\/ul>\n<h2>5. Detectarea \u0219i diagnosticarea<\/h2>\n<h3>Indicatori ai spectrului de vibra\u021bii<\/h3>\n<ul>\n<li><strong>Band\u0103 larg\u0103 ridicat\u0103:<\/strong> un nivel de zgomot de fond ridicat pe \u00eentreg spectrul.<\/li>\n<li><strong>Lipsa v\u00e2rfurilor distincte:<\/strong> spre deosebire de defectele mecanice, care se manifest\u0103 la frecven\u021be specifice.<\/li>\n<li><strong>Flow-dependent:<\/strong> nivelul de band\u0103 larg\u0103 se modific\u0103 odat\u0103 cu debitul.<\/li>\n<li><strong>Minim la BEP:<\/strong> turbulen\u021ba este cea mai redus\u0103 \u00een punctul de func\u021bionare nominal.<\/li>\n<\/ul>\n<p>Acest caracter de band\u0103 larg\u0103, dependent de debit, este exact ceea ce un analizor portabil este folosit s\u0103 confirme la fa\u021ba locului. Citirea spectrului pe carcasele lag\u0103relor cu <a href=\"https:\/\/vibromera.eu\/ro\/produs\/balanset-1\/\">Balanset-1A<\/a> permite unui inginer s\u0103 vad\u0103 dac\u0103 un nivel global ridicat reprezint\u0103 un prag de zgomot crescut \u2014 indic\u00e2nd turbulen\u021b\u0103 \u2014 sau un v\u00e2rf discret 1\u00d7 care indic\u0103 dezechilibru ce necesit\u0103 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/echilibrarea-campului\/\">echilibrarea la fa\u021ba locului<\/a>. Observarea modului \u00een care acest prag se modific\u0103 pe m\u0103sur\u0103 ce debitul este variat solu\u021bioneaz\u0103 adesea diagnosticul f\u0103r\u0103 a deschide ma\u0219ina.<\/p>\n<h3>Analiz\u0103 acustic\u0103<\/h3>\n<ul>\n<li>Take <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/sound-pressure-level\/\">sound-pressure-level<\/a> measurements.<\/li>\n<li>O cre\u0219tere a zgomotului de band\u0103 larg\u0103 indic\u0103 turbulen\u021b\u0103.<\/li>\n<li>Spectrul acustic reflect\u0103 spectrul de vibra\u021bii.<\/li>\n<li>Microfoanele direc\u021bionale pot localiza surse de turbulen\u021b\u0103<\/li>\n<\/ul>\n<h3>Vizualizarea curgerii<\/h3>\n<ul>\n<li>Dinamica fluidelor computa\u021bional\u0103 (CFD) \u00een faza de proiectare.<\/li>\n<li>Trasoare de curgere sau vizualizare cu fum \u00een timpul testelor.<\/li>\n<li>M\u0103sur\u0103tori de presiune care eviden\u021biaz\u0103 fluctua\u021biile.<\/li>\n<li>Velocimetria prin imagini cu particule (PIV) \u00een mediile de cercetare.<\/li>\n<\/ul>\n<h2>6. Strategii de atenuare<\/h2>\n<h3>\u00cembun\u0103t\u0103\u021biri ale designului de admisie<\/h3>\n<ul>\n<li>Asigura\u021bi o conduct\u0103 dreapt\u0103 suficient\u0103 \u00een amonte \u2014 minimum 5 p\u00e2n\u0103 la 10 diametre.<\/li>\n<li>Elimina\u021bi coturile bru\u0219te imediat \u00eenainte de admisie.<\/li>\n<li>Monta\u021bi redresoare de curgere sau palete de ghidare.<\/li>\n<li>Utiliza\u021bi admisii tip pavilion sau profilate pentru a reduce generarea de turbulen\u021b\u0103.<\/li>\n<\/ul>\n<h3>Optimizarea punctului de func\u021bionare<\/h3>\n<ul>\n<li>Func\u021biona\u021bi aproape de punctul de eficien\u021b\u0103 maxim\u0103 (BEP).<\/li>\n<li>Acolo unghiurile fluxului corespund unghiurilor paletelor, minimiz\u00e2nd separarea.<\/li>\n<li>Generarea de turbulen\u021b\u0103 este la nivelul minim.<\/li>\n<li>Controlul cu tura\u021bie variabil\u0103 ajut\u0103 la men\u021binerea acelui punct optim.<\/li>\n<\/ul>\n<h3>Modific\u0103ri constructive<\/h3>\n<ul>\n<li>Tranzi\u021bii line \u00een canalele de curgere, f\u0103r\u0103 col\u021buri ascu\u021bite.<\/li>\n<li>Difuzoare pentru a decelera fluxul treptat.<\/li>\n<li>Supresoare de vortex sau dispozitive anti-v\u00e2rtej.<\/li>\n<li>C\u0103ptu\u0219eal\u0103 acustic\u0103 pentru absorb\u021bia zgomotului generat de turbulen\u021bele<\/li>\n<\/ul>\n<h2>7. Turbulen\u021ba comparat\u0103 cu alte fenomene de curgere<\/h2>\n<p>Turbulen\u021ba este una dintre mai multele surse de vibra\u021bii de band\u0103 larg\u0103 legate de curgere, iar diferen\u021bierea ei de fenomenele \u00eenvecinate \u00eembun\u0103t\u0103\u021be\u0219te diagnosticul.<\/p>\n<h3>Turbulen\u021b\u0103 vs. cavita\u021bie<\/h3>\n<ul>\n<li><strong>Turbulen\u0163\u0103:<\/strong> de band\u0103 larg\u0103, continu\u0103 \u0219i dependent\u0103 de debit.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/cavitation\/\">Cavita\u021bie<\/a>:<\/strong> impulsiv\u0103, de frecven\u021b\u0103 mai \u00eenalt\u0103 \u0219i dependent\u0103 de NPSH.<\/li>\n<li><strong>Ambele:<\/strong> pot coexista, iar ambele genereaz\u0103 vibra\u021bii de band\u0103 larg\u0103.<\/li>\n<\/ul>\n<h3>Turbulen\u021b\u0103 vs. recirculare<\/h3>\n<ul>\n<li><strong>Turbulen\u0163\u0103:<\/strong> aleatorie, de band\u0103 larg\u0103 \u0219i prezent\u0103 la toate debitele.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/recirculation\/\">Recirculare<\/a>:<\/strong> o instabilitate organizat\u0103 cu pulsa\u021bii de joas\u0103 frecven\u021b\u0103 care apare numai la debit redus.<\/li>\n<li><strong>Rela\u0163ie:<\/strong> zonele de recirculare sunt ele \u00eensele puternic turbulente.<\/li>\n<\/ul>\n<p>Merit\u0103, de asemenea, s\u0103 separ\u0103m turbulen\u021ba curgerii de ideea mai ampl\u0103 de <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/turbulence\/\">turbulen\u021b\u0103 a\u0219a cum apare ea \u00eentr-un semnal de vibra\u021bie<\/a>, precum \u0219i de sarcinile aerodinamice catalogate sub <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/aerodynamic-forces\/\">for\u021be aerodinamice<\/a> \u2014 aceea\u0219i fizic\u0103, privit\u0103 din perspectiva structural\u0103 a ma\u0219inii&#8217;.<\/p>\n<p>Turbulen\u021ba curgerii este o caracteristic\u0103 inerent\u0103 a curgerii fluidelor cu vitez\u0103 mare \u00een ma\u0219inile rotative. De\u0219i este inevitabil\u0103, intensitatea \u0219i efectele sale pot fi reduse printr-o proiectare corect\u0103 a admisiei, prin func\u021bionarea \u00een apropierea punctului de proiectare \u0219i printr-o optimizare atent\u0103 a curgerii. \u00cen\u021belegerea turbulen\u021bei ca surs\u0103 a vibra\u021biilor \u0219i a zgomotului de band\u0103 larg\u0103 \u00eei permite analistului s\u0103 o separe \u00een mod clar de defectele mecanice cu frecven\u021b\u0103 discret\u0103 \u0219i s\u0103 direc\u021bioneze efortul corectiv c\u0103tre condi\u021biile de curgere, mai degrab\u0103 dec\u00e2t c\u0103tre repara\u021biile mecanice.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/\">\u2190 \u00cenapoi la indexul principal<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Afla\u021bi despre turbulen\u021bele de curgere din pompe \u0219i ventilatoare, mi\u0219carea haotic\u0103 a fluidelor care creeaz\u0103 vibra\u021bii de band\u0103 larg\u0103, zgomot \u0219i pierderi de eficien\u021b\u0103, intensificate \u00een condi\u021bii de func\u021bionare neconforme cu proiectul.<\/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\/ro\/wp-json\/wp\/v2\/glossary\/121","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/121\/revisions"}],"predecessor-version":[{"id":101334,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/121\/revisions\/101334"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/media?parent=121"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/categories?post=121"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/tags?post=121"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}