{"id":255503,"date":"2020-02-17T13:52:51","date_gmt":"2020-02-17T13:52:51","guid":{"rendered":"\/forum\/forums\/topic\/calculating-resistance-coefficients-for-the-porous-media\/"},"modified":"2022-08-16T17:41:50","modified_gmt":"2022-08-16T17:41:50","slug":"calculating-resistance-coefficients-for-the-porous-media","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/calculating-resistance-coefficients-for-the-porous-media\/","title":{"rendered":"Calculating resistance coefficients for the porous media"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/discovery\/2020\/02\/449-1.png\" alt=\"\" width=\"1322\" height=\"552\" class=\"alignnone size-full wp-image-242846\" \/><\/p>\n<p> Hello, <\/p>\n<p>&nbsp;<\/p>\n<p> Was referring to ANSYS Help regarding how to calculate the coefficients (<a href=\"https:\/\/ansyshelp.ansys.com\/account\/secured?returnurl=\/Views\/Secured\/corp\/v195\/aim_all\/AIM\/user_manual\/aim_boundary_conditions\/fluids\/topics\/c_flu_bc_porous_media_curve_fit.html\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">https:\/\/ansyshelp.ansys.com\/account\/secured?returnurl=\/Views\/Secured\/corp\/v195\/aim_all\/AIM\/user_manual\/aim_boundary_conditions\/fluids\/topics\/c_flu_bc_porous_media_curve_fit.html<\/a>). <\/p>\n<p>&nbsp;<\/p>\n<p> So we may plot pressure drop against&nbsp;flow velocity in Excel, to get a trendline equation for a second order polynomial fit. Then, calculate the viscous and inertial resistance factors based on the coefficients from the fitted curve, correct? <\/p>\n<p>&nbsp;<\/p>\n<p> With reference to the two circled areas in the attached image, could you please clarify whether: <\/p>\n<ol>\n<li>Should the units for C1&nbsp;be 261996 [m^-2] instead?<\/li>\n<li>Should C2 be equal to&nbsp;0.4472 [m^-1] instead?<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<p> Kind regards, <\/p>\n<p> Jun <\/p>\n","protected":false},"template":"","class_list":["post-255503","topic","type-topic","status-closed","hentry","topic-tag-discovery-aim-2","topic-tag-fluids"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["278494"],"_bbp_likes_count":["0"],"_btv_view_count":["917"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["255503"],"_bbp_forum_id":["27789"],"_bbp_engagement":["126","8154","278494","278990"],"_bbp_voice_count":["4"],"_bbp_reply_count":["3"],"_bbp_last_reply_id":["265896"],"_bbp_last_active_id":["265896"],"_bbp_last_active_time":["2022-03-29 15:03:21"]},"test":"junyi-leecadfem-sea-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/255503","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/255503\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=255503"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}