{"id":387234,"date":"2024-09-27T07:24:52","date_gmt":"2024-09-27T07:24:52","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/what-is-the-difference-between-total-heat-transfer-rate-and-total-surface-heat-f\/"},"modified":"2024-09-27T07:24:52","modified_gmt":"2024-09-27T07:24:52","slug":"what-is-the-difference-between-total-heat-transfer-rate-and-total-surface-heat-f","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/what-is-the-difference-between-total-heat-transfer-rate-and-total-surface-heat-f\/","title":{"rendered":"What is the difference between total heat transfer rate and total surface heat f"},"content":{"rendered":"

<p>What is the difference between calculating the total heat transfer rate in the Fluxes section and calculating the total surface heat flux in the Wall Fluxes section of Surface Integrals in ANSYS Fluent?<\/p><div class=”flex-shrink-0 flex flex-col relative items-end”><div><div class=”pt-0″><div class=”gizmo-bot-avatar flex h-8 w-8 items-center justify-center overflow-hidden rounded-full”> <\/div><\/div><\/div><\/div><div class=”group\/conversation-turn relative flex w-full min-w-0 flex-col agent-turn”><div class=”flex-col gap-1 md:gap-3″><div class=”flex max-w-full flex-col flex-grow”><div class=”min-h-8 text-message flex w-full flex-col items-end gap-2 whitespace-normal break-words [.text-message+&]:mt-5″ dir=”auto” data-message-author-role=”assistant” data-message-id=”14a9599c-276f-4c78-945d-8118f1f0bf9c”><div class=”flex w-full flex-col gap-1 empty:hidden first:pt-[3px]”><div class=”markdown prose w-full break-words dark:prose-invert light”><div class=”flex-shrink-0 flex flex-col relative items-end”><div><div class=”pt-0″><div class=”gizmo-bot-avatar flex h-8 w-8 items-center justify-center overflow-hidden rounded-full”> <\/div><\/div><\/div><\/div><div class=”group\/conversation-turn relative flex w-full min-w-0 flex-col agent-turn”><div class=”flex-col gap-1 md:gap-3″><div class=”flex max-w-full flex-col flex-grow”><div class=”min-h-8 text-message flex w-full flex-col items-end gap-2 whitespace-normal break-words [.text-message+&]:mt-5″ dir=”auto” data-message-author-role=”assistant” data-message-id=”f40c2c1c-a121-4dac-9afd-610265cb05c8″><div class=”flex w-full flex-col gap-1 empty:hidden first:pt-[3px]”><div class=”markdown prose w-full break-words dark:prose-invert light”><p>When calculating the total heat transfer rate on a mass-flow-inlet surface in the Fluxes section, a non-zero value is returned. However, when calculating the total surface heat flux in the Surface Integrals section, it returns zero. I am curious to know why these results differ.<\/p><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/p>\n","protected":false},"template":"","class_list":["post-387234","topic","type-topic","status-publish","hentry","topic-tag-heat_exchanger-1","topic-tag-heat-transfer"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["461928","199"],"_bbp_author_ip":["165.132.137.137"],"_btv_view_count":["890"],"_bbp_topic_status":["unanswered"],"_bbp_topic_id":["387234"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","461928"],"_bbp_voice_count":["2"],"_bbp_reply_count":["9"],"_bbp_last_reply_id":["389498"],"_bbp_last_active_id":["389498"],"_bbp_last_active_time":["2024-10-14 13:26:43"]},"test":"sjyangyonsei-ac-kr"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/387234","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\/387234\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=387234"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}