


{"id":114229,"date":"2020-05-12T12:30:16","date_gmt":"2020-05-12T12:30:16","guid":{"rendered":"\/forum\/forums\/reply\/114229\/"},"modified":"2020-05-12T12:30:16","modified_gmt":"2020-05-12T12:30:16","slug":"114229","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/114229\/","title":{"rendered":"Reply To: How the heat fluxes for inlets\/outlets in Fluent are calculated"},"content":{"rendered":"<p>Hello,<\/p>\n<p><\/p>\n<p>To estimate the total heat transfer rate at the inlet and outlet, please go to &#8216;Surface Integrals&#8217;, choose &#8216;Flow Rate&#8217; for the &#8216;Report Type&#8217;, select &#8216;Enthalpy&#8217; (in the Temperature category), and select your inlet and outlet surfaces over which you would like to integrate.&nbsp;<\/p>\n<p><\/p>\n<p>The total Q reported by Fluent crossing the inlet and outlet is the surface integral of&nbsp;<\/p>\n<p><\/p>\n<p>[enthalpy x density x velocity vector x dA]<\/p>\n<p><\/p>\n<p>For additional details, please have a look at the following link (Fluent Users Guide: Section 14.2.3.4. Reporting Heat Transfer Through a Surface) &#8211;&nbsp;<a href=\"https:\/\/ansyshelp.ansys.com\/account\/secured?returnurl=\/Views\/Secured\/corp\/v201\/en\/flu_ug\/flu_ug_sec_hxfer_report.html%23x1-110100014.4.1\">https:\/\/ansyshelp.ansys.com\/account\/secured?returnurl=\/Views\/Secured\/corp\/v201\/en\/flu_ug\/flu_ug_sec_hxfer_report.html%23&#215;1-110100014.4.1<\/a><\/p>\n<p><\/p>\n<p>Specific enthalpy is calculated based on the temperature as well as the reference temperature.&nbsp;<\/p>\n<p><\/p>\n<p>For additional information, look at &#8216;The Energy Equation&#8217; in the Fluent Theory guide (Section 5.2.1.1) using the following link:&nbsp;<a href=\"https:\/\/ansyshelp.ansys.com\/account\/secured?returnurl=\/Views\/Secured\/corp\/v201\/en\/flu_th\/flu_th_sec_hxfer_theory.html\">https:\/\/ansyshelp.ansys.com\/account\/secured?returnurl=\/Views\/Secured\/corp\/v201\/en\/flu_th\/flu_th_sec_hxfer_theory.html<\/a><\/p>\n<p><\/p>\n<p>I hope this helps.<\/p>\n<p><\/p>\n<p>Best,<\/p>\n<p><\/p>\n<p>Karthik<\/p>\n","protected":false},"template":"","class_list":["post-114229","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/114229","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/reply"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/114229\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=114229"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}