{"id":559942,"date":"2024-11-05T18:25:38","date_gmt":"2024-11-05T18:25:38","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/esdu-tn-100132011\/"},"modified":"2024-11-05T18:25:38","modified_gmt":"2024-11-05T18:25:38","slug":"esdu-tn-100132011","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/esdu\/esdu-tn-100132011\/","title":{"rendered":"ESDU TN 10013:2011"},"content":{"rendered":"<p>This Technical Note discusses the studies conducted by ESDU for<br \/>\nthe CFD validation of the predictions for pressure loss, discharge<br \/>\ncoefficient and flow characteristics in square-edged orifice<br \/>\nplates. These studies used the validation data from the literature<br \/>\nreviewed in ESDU TN 07007.<\/p>\n<p>The purpose of this work was to generate validated CFD<br \/>\npredictions for:<\/p>\n<p>\u2022 square-edged and knife-edged orifice plates, free of burrs and<br \/>\nother contaminants,<\/p>\n<p>\u2022 circular, concentric orifices in circular pipes with identical<br \/>\nupstream and downstream cross-sectional areas,<\/p>\n<p>\u2022 fully-developed flow conditions upstream and downstream of the<br \/>\norifice,<\/p>\n<p>\u2022swirl-free, steady flow conditions with no cross-flow upstream<br \/>\nor downstream of the orifice plate and flow normal to the orifice<br \/>\nplate,<\/p>\n<p>\u2022 laminar, transitional and turbulent flow regimes,<\/p>\n<p>\u2022 single-phase, Newtonian liquids and gases in incompressible<br \/>\nflow (Mach number = 0.3 at the <i>vena contracta<\/i> plane).<\/p>\n<p>The CFD validation studies covered the following geometrical<br \/>\nconfigurations and pipe Reynolds numbers:<\/p>\n<p>\u2022 orifice to pipe diameter ratios: 0.3 = \u00df = 0.7; orifice<br \/>\nthickness to diameter ratios: 0.01 = <i>t\/d<\/i> = 5.0.<\/p>\n<p>\u2022 pipe Reynolds number: 10 = Re<sub>D<\/sub> =<br \/>\n10<sup>5<\/sup>.<\/p>\n<p>Based on the comparisons of the ESDU CFD predictions with the<br \/>\nexperimental data in the literature, best practice guidelines are<br \/>\nprovided for the modelling of the flow characteristics and pressure<br \/>\nloss in square-edge orifice plates.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>CFD Validation Studies for Incompressible Flow Through Square-Edged Orifice Plates<\/b><\/p>\n<table style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/esdu\/\"><b>ESDU<\/b><\/a><\/td>\n<td>2011-05<\/td>\n<td>113<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":559949,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2675],"product_tag":[],"class_list":{"0":"post-559942","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-esdu","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/559942","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/559949"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=559942"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=559942"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=559942"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}