{"id":236615,"date":"2022-09-28T22:55:31","date_gmt":"2022-09-28T22:55:31","guid":{"rendered":"\/forum\/forums\/topic\/reference-temperature-for-htc-internal-flow\/"},"modified":"2022-09-28T22:55:31","modified_gmt":"2022-09-28T22:55:31","slug":"reference-temperature-for-htc-internal-flow","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/reference-temperature-for-htc-internal-flow\/","title":{"rendered":"Reference temperature for HTC (internal flow)"},"content":{"rendered":"<div>Hi,<\/div>\n<div>&nbsp;<\/div>\n<div>I have a 2D, steady state, laminar internal flow problem. I think the calculation for laminar flow HTC is: HTC = q \/ (T_wall &#8211; T_ref); where T_ref is the reference temperature. What I&#8217;m stuck on is how to define this reference temperature for my problem. This video says that for internal flow problems, the reference temperature is the mass weighted average (see attached image), but how can I calculate this integral?<\/div>\n<div>&nbsp;<\/div>\n<div><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2022\/09\/28-09-2022-1664405693-internalflow.png\" alt=\"\">&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div>Thank you<\/div>\n","protected":false},"template":"","class_list":["post-236615","topic","type-topic","status-closed","hentry","topic-tag-fluent-cfd-ansys-1","topic-tag-heattransfer","topic-tag-htc-1","topic-tag-reference-temperature"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["2148","199"],"_bbp_author_ip":["23.220.96.181"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["1959"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["236615"],"_bbp_forum_id":["27796"],"_bbp_engagement":["199","2148"],"_bbp_voice_count":["2"],"_bbp_reply_count":["16"],"_bbp_last_reply_id":["246367"],"_bbp_last_active_id":["246367"],"_bbp_last_active_time":["2023-01-12 16:06:39"]},"test":"lillysantan11gmail-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/236615","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\/236615\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=236615"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}