{"id":207,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/recirculation\/"},"modified":"2026-05-23T22:53:11","modified_gmt":"2026-05-23T22:53:11","slug":"recirculation","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/sl\/glossary\/recirculation\/","title":{"rendered":"Kaj je recirkulacija? Nestabilnost \u010drpalke z nizkim pretokom"},"content":{"rendered":"<h1>Razumevanje recirkulacije v \u010drpalkah<\/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\/sl\/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\/sl\/product\/balanset-1\/\" title=\"Prenosni balanser in analizator vibracij 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=\"Prenosni uravnote\u017enik in analizator vibracij Balanset-1A v popolnem kompletu\" 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\/sl\/product-category\/devices\/\" rel=\"tag\">Naprave<\/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\/sl\/product\/balanset-1\/\" title=\"Prenosni balanser in analizator vibracij Balanset-1A\">Prenosni balanser in analizator vibracij 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> + DDV (\u010de je primerno)<\/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=\"\/sl\/wp-json\/wp\/v2\/glossary\/207?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=\"Dodaj v ko\u0161arico\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj v ko\u0161arico\" 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=\"\/sl\/wp-json\/wp\/v2\/glossary\/207?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=\"Dodaj v ko\u0161arico: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d je bil dodan v va\u0161o ko\u0161arico\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj v ko\u0161arico<\/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\/sl\/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\/sl\/product\/vibration-sensor\/\" title=\"Senzor vibracij\">\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=\"Senzor vibracij Balanset-1A od blizu\" 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\/sl\/product-category\/parts\/\" rel=\"tag\">Deli<\/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\/sl\/product\/vibration-sensor\/\" title=\"Senzor vibracij\">Senzor vibracij<\/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> + DDV (\u010de je primerno)<\/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=\"\/sl\/wp-json\/wp\/v2\/glossary\/207?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=\"Dodaj v ko\u0161arico\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj v ko\u0161arico\" 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=\"\/sl\/wp-json\/wp\/v2\/glossary\/207?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=\"Dodaj v ko\u0161arico: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d je bil dodan v va\u0161o ko\u0161arico\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj v ko\u0161arico<\/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\/sl\/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\/sl\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Opti\u010dni senzor (laserski tahometer)\">\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=\"Opti\u010dni senzor (laserski tahometer)\" 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\/sl\/product-category\/parts\/\" rel=\"tag\">Deli<\/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\/sl\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Opti\u010dni senzor (laserski tahometer)\">Opti\u010dni senzor (laserski tahometer)<\/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> + DDV (\u010de je primerno)<\/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=\"\/sl\/wp-json\/wp\/v2\/glossary\/207?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=\"Dodaj v ko\u0161arico\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj v ko\u0161arico\" 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=\"\/sl\/wp-json\/wp\/v2\/glossary\/207?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=\"Dodaj v ko\u0161arico: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d je bil dodan v va\u0161o ko\u0161arico\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj v ko\u0161arico<\/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\/sl\/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\/sl\/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=\"Komplet za uravnote\u017eenje rotorjev Vibromera: torba za prena\u0161anje, ve\u010dkanalni pretvornik signala, ro\u010dni analizator, magnetna podlaga, senzorji vibracij in spiralni kabli.\" 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\/sl\/product-category\/devices\/\" rel=\"tag\">Naprave<\/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\/sl\/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> + DDV (\u010de je primerno)<\/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=\"\/sl\/wp-json\/wp\/v2\/glossary\/207?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=\"Dodaj v ko\u0161arico\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj v ko\u0161arico\" 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=\"\/sl\/wp-json\/wp\/v2\/glossary\/207?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=\"Dodaj v ko\u0161arico: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d je bil dodan v va\u0161o ko\u0161arico\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj v ko\u0161arico<\/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\/sl\/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\/sl\/product\/magnet-stand\/\" title=\"Magnetno stojalo 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=\"Magnetna osnova.\" 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\/sl\/product-category\/parts\/\" rel=\"tag\">Deli<\/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\/sl\/product\/magnet-stand\/\" title=\"Magnetno stojalo Insize-60-kgf\">Magnetno stojalo 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> + DDV (\u010de je primerno)<\/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=\"\/sl\/wp-json\/wp\/v2\/glossary\/207?add-to-cart=1852\" data-quantity=\"1\" data-product_id=\"1852\" 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data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj v ko\u0161arico<\/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\/sl\/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\/sl\/product\/reflective-tape\/\" title=\"Odsevni trak\">\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=\"Odsevni trak\" 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\/sl\/product-category\/parts\/\" rel=\"tag\">Deli<\/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\/sl\/product\/reflective-tape\/\" title=\"Odsevni trak\">Odsevni trak<\/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> + DDV (\u010de je primerno)<\/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=\"\/sl\/wp-json\/wp\/v2\/glossary\/207?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=\"Dodaj v ko\u0161arico\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj v ko\u0161arico\" 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=\"\/sl\/wp-json\/wp\/v2\/glossary\/207?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=\"Dodaj v ko\u0161arico: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d je bil dodan v va\u0161o ko\u0161arico\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj v ko\u0161arico<\/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\/sl\/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\/sl\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dinami\u010dni uravnote\u017eevalnik &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=\"Vsebina kompleta Balanset-1A z vmesni\u0161ko enoto, senzorji, tahometrom in dodatno opremo\" 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\/sl\/product-category\/devices\/\" rel=\"tag\">Naprave<\/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\/sl\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dinami\u010dni uravnote\u017eevalnik &quot;Balanset-1A&quot; OEM\">Dinami\u010dni uravnote\u017eevalnik \"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> + DDV (\u010de je primerno)<\/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=\"\/sl\/wp-json\/wp\/v2\/glossary\/207?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=\"Dodaj v ko\u0161arico\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj v ko\u0161arico\" 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=\"\/sl\/wp-json\/wp\/v2\/glossary\/207?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=\"Dodaj v ko\u0161arico: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d je bil dodan v va\u0161o ko\u0161arico\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj v ko\u0161arico<\/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>Recirkulacija<\/strong> je nestabilnost toka, ki se razvije v centrifugalnih \u010drpalkah in ventilatorjih, ko delujejo pri pretokih precej pod projektno to\u010dko \u2013 to\u010dko najbolj\u0161ega izkoristka oziroma BEP. Pri nizkem pretoku del teko\u010dine obrne smer in te\u010de nazaj iz podro\u010dja tla\u010dnega voda proti sesalnemu vodu, pri \u010demer na vstopu ali izstopu gonilnika nastanejo nestabilni recirkulacijski vzorci. Posledica so nizkofrekven\u010dni <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/vibration\/\">vibracije<\/a> pulzacije (tipi\u010dno 0,2\u20130,8\u00d7 vrtilne hitrosti in zato <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/sub-synchronous\/\">subsinhrono<\/a>), hrup, izguba izkoristka in \u2013 v huj\u0161ih primerih \u2013 resne mehanske po\u0161kodbe zaradi cikli\u010dnih obremenitev, <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/cavitation\/\">kavitacija<\/a> in segrevanja. Uvr\u0161\u010da se med najbolj uni\u010dujo\u010de na\u010dine obratovanja \u010drpalke, izogibanje pa je klju\u010dno za <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/centrifugal-pump-defects\/\">zanesljivost \u010drpalke<\/a>.<\/p>\n<h2>1. Opredelitev: Nestabilnost hidravli\u010dnega sistema z nizkim pretokom<\/h2>\n<p>Gonilnik je zasnovan tako, da teko\u010dina vstopa in izstopa iz njegovih lopatic pod dolo\u010denimi koti pri BEP. Ko se pretok znatno zmanj\u0161a pod to to\u010dko, trikotniki hitrosti ne ustrezajo ve\u010d geometriji lopatic: vpadni kot se bistveno pokvari, tok se lo\u010di od lopatic in teko\u010dina, ki jo je gonilnik \u017ee energiziral, se prelije nazaj. Ti obrnjeni, vrtin\u010dni tokovi so recirkulacija. Ker so neenakomerne <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/hydraulic-forces\/\">hidravli\u010dne sile<\/a> ki jih ustvarjajo, lahko ogromne, recirkulacija lahko spro\u017ei odpovedi le\u017eajev, po\u0161kodbe tesnila, gredne <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/fatigue\/\">utrujenost<\/a> in celo strukturno odpoved samega gonilnika. Razumevanje in prepre\u010devanje le-te je klju\u010dnega pomena za dolgotrajnost \u010drpalke.<\/p>\n<h2>2. Vrste recirkulacije<\/h2>\n<h3>Recirkulacija sesanja<\/h3>\n<p>Pojavi se na vstopu gonilnika (sesalna stran):<\/p>\n<ul>\n<li><strong>Mehanizem:<\/strong> pri nizkem pretoku teko\u010dina, ki vstopa v oko gonilnika, prihaja pod napa\u010dnim kotom toka.<\/li>\n<li><strong>Lo\u010ditev:<\/strong> tok se lo\u010di od sesalnih povr\u0161in lopatic.<\/li>\n<li><strong>Povratni tok:<\/strong> lo\u010dena teko\u010dina se prelije nazaj skozi oko gonilnika.<\/li>\n<li><strong>Za\u010detek:<\/strong> tipi\u010dno pri 60\u201370 % pretoka BEP.<\/li>\n<li><strong>Lokacija:<\/strong> skoncentrirano blizu kril gonilnika.<\/li>\n<\/ul>\n<h3>Iztok s ponovno cirkulacijo<\/h3>\n<p>Pojavi se na izstopu gonilnika (tla\u010dna stran):<\/p>\n<ul>\n<li><strong>Mehanizem:<\/strong> Visokotla\u010dna izpustna teko\u010dina te\u010de nazaj v obod rotorja<\/li>\n<li><strong>Pot:<\/strong> skozi re\u017ee, kot so tesnilni obro\u010di in stranske re\u017ee.<\/li>\n<li><strong>Me\u0161anje:<\/strong> recirkulirani tok se me\u0161a z glavnim tokom in ustvarja <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/flow-turbulence\/\">turbulenca<\/a>.<\/li>\n<li><strong>Za\u010detek:<\/strong> tipi\u010dno pri 40\u201360 % pretoka BEP.<\/li>\n<li><strong>Resnost:<\/strong> Na splo\u0161no bolj \u0161kodljivo kot sesalna recirkulacija<\/li>\n<\/ul>\n<h3>Kombinirana recirkulacija<\/h3>\n<ul>\n<li>Hkrati prisotni sta tako sesalna kot tla\u010dna recirkulacija.<\/li>\n<li>Pojavi se pri zelo nizkih pretokih, pod oko\u0142o 40 % BEP.<\/li>\n<li>Povzro\u010da najhuj\u0161e vibracije in najve\u010dji potencial po\u0161kodb.<\/li>\n<li>Izogniti se je treba z za\u0161\u010dito z najmanj\u0161im pretokom.<\/li>\n<\/ul>\n<h2>3. Vibracijski odtis<\/h2>\n<h3>Zna\u010dilen vzorec<\/h3>\n<ul>\n<li><strong>Pogostost:<\/strong> pod-sinhron, obi\u010dajno 0,2\u20130,8\u00d7 hitrost vrtenja.<\/li>\n<li><strong>Primer:<\/strong> \u010drpalka 1750 RPM z pulzacijami 10\u201320 Hz.<\/li>\n<li><strong>Amplituda:<\/strong> lahko dose\u017ee 2\u20135-kratno vrednost normalnih obratovalnih vibracij.<\/li>\n<li><strong>Nestabilno:<\/strong> tako frekvenca kot amplituda se spreminjata, namesto da bi ostajali konstantni.<\/li>\n<li><strong>Naklju\u010dna komponenta:<\/strong> na vrhu se pojavlja \u0161irokopasovno pove\u010danje zaradi turbulence.<\/li>\n<\/ul>\n<p>Ta nihajo\u010do, nesinhroniziran zna\u010daj je tisto, kar razlikuje recirkulacijo od stabilnega 1\u00d7 pri <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/unbalance\/\">neuravnote\u017eenost<\/a> in vrhu na frekvenci lopatic pri <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/vane-passing-frequency\/\">frekvenca prehoda lopatic<\/a>; za zajem je obi\u010dajno treba preu\u010diti tako <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/spectrum\/\">spekter<\/a> in <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/time-waveform\/\">\u010dasovni potek signala<\/a>.<\/p>\n<h3>Odvisnost od pretoka<\/h3>\n<ul>\n<li><strong>Visok pretok:<\/strong> brez recirkulacije, nizke vibracije.<\/li>\n<li><strong>Zmerni pretok (80\u2013100 % BEP):<\/strong> minimalna recirkulacija, sprejemljive vibracije.<\/li>\n<li><strong>Nizek pretok (50\u201370 % BEP):<\/strong> pri\u010dne se usesalna recirkulacija in vibracije nara\u0161\u010dajo.<\/li>\n<li><strong>Zelo nizek pretok (&lt; 50 % BEP):<\/strong> huda recirkulacija in zelo visoke vibracije.<\/li>\n<li><strong>Izklop:<\/strong> najve\u010dja recirkulacija, najve\u010dje vibracije in najhitrej\u0161a stopnja po\u0161kodb.<\/li>\n<\/ul>\n<h3>Dodatni kazalniki<\/h3>\n<ul>\n<li>Visok <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/axial-vibration\/\">aksialne vibracije<\/a> sestavni del.<\/li>\n<li>Pove\u010dan hrup \u2014 rikajo\u010d ali drme\u010do\u010di zvok.<\/li>\n<li>Izguba zmogljivosti, pri kateri vi\u0161ina in pretok padeta pod karakteristi\u010dno krivuljo.<\/li>\n<li>Dvig temperature zaradi hidravli\u010dnih izgub, ki se spro\u0161\u010dajo v teko\u010dino.<\/li>\n<\/ul>\n<h2>4. Posledice in po\u0161kodbe<\/h2>\n<h3>Takoj\u0161nji u\u010dinki<\/h3>\n<ul>\n<li><strong>Huda vibracijska nihanja:<\/strong> lahko v minutah prese\u017ee mejne vrednosti alarmov.<\/li>\n<li><strong>Hrup:<\/strong> glasen, turbulenten ropot.<\/li>\n<li><strong>Izguba u\u010dinkovitosti:<\/strong> visoka poraba mo\u010di glede na dejansko dobavljeni pretok.<\/li>\n<li><strong>Ogrevanje:<\/strong> hidravli\u010dne izgube, pretvorjene v toploto v ohi\u0161ju.<\/li>\n<\/ul>\n<h3>Mehanske po\u0161kodbe<\/h3>\n<ul>\n<li><strong>Okvara le\u017eaja:<\/strong> visoke cikli\u010dne obremenitve pospe\u0161ijo po\u0161kodbo le\u017eaja <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/bearing-wear\/\">obraba<\/a>.<\/li>\n<li><strong>Po\u0161kodba tesnila:<\/strong> vibracije in tla\u010dne pulsacije uni\u010dujejo <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/seal-defects\/\">mehanske tesnilke<\/a>.<\/li>\n<li><strong>Utrujenost gredi:<\/strong> izmeni\u010dna upogibna obremenitev zaradi nestabilnih hidravli\u010dnih sil.<\/li>\n<li><strong>Po\u0161kodba lopatic:<\/strong> lopatica <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/impeller-defects\/\">utrujenostne razpoke<\/a> od cikli\u010dne obremenitve.<\/li>\n<\/ul>\n<h3>Hidravli\u010dna \u0161koda<\/h3>\n<ul>\n<li><strong>Kavitacija:<\/strong> recirkulacijska obmo\u010dja so nagnjena h kavitaciji, ker lokalni tlak pade pod tlak pare.<\/li>\n<li><strong>Erozija:<\/strong> tok visokih hitrosti recirkulacije erodira povr\u0161ine.<\/li>\n<li><strong>Vrtin\u010dna kavitacija:<\/strong> vrtinci znotraj recirkulacijskih obmo\u010dij kavitirajo v svojih jedrih z nizkim tlakom.<\/li>\n<\/ul>\n<h2>5. Odkrivanje in diagnoza<\/h2>\n<h3>Analiza vibracij<\/h3>\n<ul>\n<li>Poi\u0161\u010dite podsinhrone komponente v pasu 0,2\u20130,8\u00d7.<\/li>\n<li>Preskusite pri ve\u010d pretokih, da kartografirate obna\u0161anje.<\/li>\n<li>Ugotovite pretok, pri katerem se za\u010dnejo pulsacije \u2014 nastop recirkulacije.<\/li>\n<li>Primerjajte ugotovitve z napovedmi iz karakteristi\u010dne krivulje \u010drpalke.<\/li>\n<\/ul>\n<h3>Testiranje zmogljivosti<\/h3>\n<ul>\n<li>Izmerite dejansko krivuljo tla\u010dna vi\u0161ina\u2013pretok.<\/li>\n<li>Primerjajte jo s projektno krivuljo.<\/li>\n<li>Odstopanje pri nizkem pretoku signalizira recirkulacijo.<\/li>\n<li>Poraba mo\u010di, vi\u0161ja od napovedane po krivulji, je dodatni dokaz.<\/li>\n<\/ul>\n<h3>Akusti\u010dno spremljanje<\/h3>\n<ul>\n<li>Karakteristi\u010den turbulentni rikajo\u010d zvok.<\/li>\n<li>Pove\u010danje hrupa v \u0161irokem frekven\u010dnem spektru.<\/li>\n<li>Pogosto sli\u0161no in otipljivo na ohi\u0161ju \u010drpalke.<\/li>\n<\/ul>\n<h2>6. Prepre\u010devanje in ubla\u017eitev<\/h2>\n<h3>Operativne strategije<\/h3>\n<h4>Za\u0161\u010dita z najmanj\u0161im pretokom<\/h4>\n<ul>\n<li>Namestite samodejno linijo recirkulacije z minimalnim pretokom.<\/li>\n<li>Ventil se odpre vsaki\u010d, ko pretok pade pod varno minimalno vrednost (obi\u010dajno 60\u201370 % BEP).<\/li>\n<li>Preusmeri izto\u010dni tok nazaj na vsesno stran ali v rezervoar.<\/li>\n<li>S tem ohranja \u010drpalko izven recirkulacijskega obmo\u010dja.<\/li>\n<\/ul>\n<h4>Nadzor delovne to\u010dke<\/h4>\n<ul>\n<li>Izogibajte se delovanju pod minimalnim stabilnim pretokom pri neprekinjenem obratovanju.<\/li>\n<li>Uporabite frekven\u010dni regulator, da prilagodite \u010drpalko povpra\u0161evanju in izkoristite <a href=\"https:\/\/vibromera.eu\/sl\/calculators\/affinity-laws-calculator\/\">zakoni podobnosti<\/a> za ohranjanje to\u010dke najbolj\u0161ega izkoristka (BEP) v razli\u010dnih delovnih pogojih.<\/li>\n<li>Za bolj\u0161o regulacijo pretoka raje izberite ve\u010d manj\u0161ih \u010drpalk namesto ene velike.<\/li>\n<li>Vzporedno zaporedno vklapljajte in izklapljajte \u010drpalke glede na spremembe povpra\u0161evanja.<\/li>\n<\/ul>\n<h3>Oblikovalske re\u0161itve<\/h3>\n<ul>\n<li><strong>Induktor:<\/strong> aksialni vstopni stupanj za stabilizacijo tla\u010dnega toka.<\/li>\n<li><strong>Impelerji za nizek pretok:<\/strong> posebne izvedbe, namenjene za obratovanje pri majhnem pretoku.<\/li>\n<li><strong>Pravilna izbira velikosti:<\/strong> \u010drpalke ne dimenzionirajte pretirano, saj to prisili k kroni\u010dnemu obratovanju pri majhnem pretoku.<\/li>\n<li><strong>\u0160ir\u0161e delovno podro\u010dje:<\/strong> izberite \u010drpalke z ploskimi karakteristikami, ki prena\u0161ajo spremembe pretoka.<\/li>\n<\/ul>\n<h3>Zasnova sistema<\/h3>\n<ul>\n<li>Oblikujte sistem tako, da \u010drpalka deluje blizu to\u010dke najbolj\u0161ega izkoristka (BEP).<\/li>\n<li>Zagotovite ustrezen varnostni odmik NPSH za omejitev kavitacije v conah recirkulacije.<\/li>\n<li>Regulacijske ventile namestite tako, da se \u010dim bolj zmanj\u0161a du\u0161enje na sesalni strani.<\/li>\n<li>Vklju\u010dite obvodno ali recirkulacijsko linijo za zagotovitev minimalnega pretoka.<\/li>\n<\/ul>\n<h2>7. Industrijski standardi in smernice<\/h2>\n<h3>Minimalni neprekinjen pretok<\/h3>\n<ul>\n<li><strong>API 610:<\/strong> Dolo\u010da minimalni neprekinjen stabilen pretok za centrifugalne \u010drpalke<\/li>\n<li><strong>Tipi\u010dne vrednosti:<\/strong> 60\u201370 % pretoka BEP za radialne \u010drpalke, 70\u201380 % za me\u0161anoosne izvedbe.<\/li>\n<li><strong>Toplinsko razmi\u0161ljanje:<\/strong> minimalni pretok je prav tako omejen z temperaturnim porastom, ki ga fluid prena\u0161a pri majhnem pretoku.<\/li>\n<\/ul>\n<h3>Testiranje zmogljivosti<\/h3>\n<ul>\n<li>Tovarni\u0161ki preizkusi potrdijo to\u010dko nastopa recirkulacije.<\/li>\n<li>Preizkusi delovanja na terenu jo potrdijo v name\u0161\u010denem sistemu.<\/li>\n<li>Kriteriji sprejemljivosti dolo\u010dajo dopustno vibriranje pri minimalnem pretoku, pogosto z referenco na <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/iso-20816-1\/\">ISO 20816<\/a> cone resnosti.<\/li>\n<\/ul>\n<p>Ker povratno kro\u017eenje, neuravnote\u017eenost, u\u010dinki pretoka skozi lopate in kavitacija lahko vse pove\u010dajo vibracije \u010drpalke, je prakti\u010den diagnosti\u010dni korak merjenje spektra pri ve\u010d pretokih in ugotavljanje, katera komponenta sledi pretoku. Prenosni dvokanalni analizator, kot je <a href=\"https:\/\/vibromera.eu\/sl\/izdelek\/balanset-1\/\">Balanset-1A<\/a> zajema pod-sinhronske pulzacije in njihovo odvisnost od pretoka neposredno pri \u010drpalki ter pomaga potrditi povratno kro\u017eenje namesto napake rotorja \u2014 in kadar se izka\u017ee, da so povi\u0161ane vibracije 1\u00d7 <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/unbalance\/\">neuravnote\u017eenost<\/a> v peresnici, tehnik opravi uravnote\u017eenje na mestu brez razstavljanja \u010drpalke. Da bi pred za\u010detkom opredelili ustrezna frekven\u010dna obmo\u010dja, je <a href=\"https:\/\/vibromera.eu\/sl\/calculators\/pump-cavitation-frequency\/\">kalkulator frekvence kavitacije \u010drpalke<\/a> in a <a href=\"https:\/\/vibromera.eu\/sl\/calculators\/blade-pass-frequency\/\">kalkulator frekvence prehoda lopatic<\/a> ozna\u010dite, kje naj bi se pojavili vrhovi kavitacijskega \u0161uma in frekvence prehoda lopat, da pod-sinhronski pas povratnega kro\u017eenja jasno izstopa.<\/p>\n<p>Povratno kro\u017eenje sodi med najhuj\u0161e pogoje delovanja, ki jih lahko do\u017eivlja centrifugalna \u010drpalka. Zna\u010dilna pod-sinhronska vibracijska slika, velike amplitude pulzacij in zmo\u017enost hitrega mehanskega po\u0161kodovanja zahtevajo, da dobro razumemo pogoje nastanka, vgradimo za\u0161\u010dito pred minimalnim pretokom in se izogibamo kroni\u010dnemu obratovanju pri nizkih pretokih \u2014 to so klju\u010di zanesljivosti in dolgo\u017eivosti \u010drpalk v industrijski rabi.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/sl\/glossary\/\">\u2190 Nazaj na glavno kazalo<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Spoznajte recirkulacijo v \u010drpalkah, obrat pretoka in nestabilnost pri nizkih pretokih, ki povzro\u010dajo subsinhrone vibracije, izgubo u\u010dinkovitosti in morebitno \u0161kodo.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-207","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/glossary\/207","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/glossary\/207\/revisions"}],"predecessor-version":[{"id":101401,"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/glossary\/207\/revisions\/101401"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/media?parent=207"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/categories?post=207"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/tags?post=207"}],"curies":[{"name":"delovni list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}