{"id":109,"date":"2023-07-27T22:31:47","date_gmt":"2023-07-27T20:31:47","guid":{"rendered":"https:\/\/wasserstoffrechner.wordpress.com\/?page_id=109"},"modified":"2026-06-26T09:27:17","modified_gmt":"2026-06-26T09:27:17","slug":"druckverlust-rohrleitungen","status":"publish","type":"page","link":"https:\/\/hydrogentools.de\/en\/druckverlust-rohrleitungen\/","title":{"rendered":"Pressure Drop in Pipelines"},"content":{"rendered":"<p class=\"wp-block-paragraph\">To properly size pipelines in complex systems, they should always be calculated in advance. The resulting pressure drop should ultimately be as low as possible to prevent efficiency losses and to operate the system safely. <\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<iframe loading=\"lazy\" width=\"538\" height=\"511\" frameborder=\"0\" scrolling=\"no\" src=\"https:\/\/1drv.ms\/x\/c\/1394890fca1db77c\/IQRJZnlMJBQmR4eYbwroLObjASYPWBRUd_ruNq9aV6Rwel8?em=2&#038;wdAllowInteractivity=False&#038;AllowTyping=True&#038;Item='Rohrdimensionierung%20Frontend'!B2%3AI28&#038;wdHideGridlines=True&#038;wdInConfigurator=True&#038;wdInConfigurator=True&#038;wdbipreview=true\"><\/iframe>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Notes: <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Die Str\u00f6mungsgeschwindigkeit sollte unter 20 m\/s liegen, sodass Ger\u00e4usche und Erosionen vermieden werden<\/li>\n\n\n\n<li>The pipe roughness is 0.02 for new drawn steel pipes and 0.05 for new welded steel pipes; for older pipes, higher values (approx. 0.2) must be used due to wear.<\/li>\n\n\n\n<li>A standard cubic meter (Nm\u00b3) describes the volume of hydrogen at 1 bar and 20\u00b0C. If only a flow value in kg\/h is available, it must first be divided by the density (0.089 kg\/m\u00b3).<\/li>\n\n\n\n<li>Achtung: Der Volumenstrom unter Druck (Betriebsvolumen) weicht aufgrund der Kompressibilit\u00e4t von Wasserstoff vom Volumenstrom in Normkubikmetern ab (siehe Berechnungsergebnisse)<\/li>\n\n\n\n<li>The calculation of pressure drop through valves, bends and taps is only accurate up to nominal widths of 60 mm.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><em>All online tools have been programmed to the best of my knowledge; however, errors cannot be entirely excluded. Any use is therefore at your own risk. Any legal or financial claims are excluded.<\/em><\/p>","protected":false},"excerpt":{"rendered":"<p>Um Rohrleitungen in komplexen Systemen richtig auszulegen, sollte diese im vorhinein immer berechnet werden. Der anfallende Druckverlust sollte letztendlich immer [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-109","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - 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