{"id":395271,"date":"2024-11-26T03:22:52","date_gmt":"2024-11-26T03:22:52","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/heat-of-reaction-physical-meaning\/"},"modified":"2024-11-26T03:22:52","modified_gmt":"2024-11-26T03:22:52","slug":"heat-of-reaction-physical-meaning","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/heat-of-reaction-physical-meaning\/","title":{"rendered":"&#8220;heat of reaction&#8221; physical meaning"},"content":{"rendered":"<p>&lt;p&gt;a previous thread discuss the dimension of heat-of-reaction.&lt;\/p&gt;&lt;p&gt;https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/dimension-of-heat-of-reaction\/&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/26-11-2024-1732588923-mceclip0.png\" \/>&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/26-11-2024-1732588956-mceclip1.png\" \/>&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/26-11-2024-1732590675-mceclip2.png\" \/>&lt;\/p&gt;&lt;p&gt;see the dimension of Rj\/Mj is (mass\/volume)\/(mass\/volume), hj &#8211; J\/kg, right?&nbsp;&lt;\/p&gt;&lt;p&gt;Sh&#8217;s dimension is J\/kg.&nbsp;&lt;\/p&gt;&lt;p&gt;in the previous thread, you said, watt is originated from the solver&#8217;s perspective.&nbsp; I don&#8217;t understand this.&lt;\/p&gt;&lt;p&gt;for a local view, it should be a volumetric result, even for a node. the node value could represent a local volumetric value in reality, right?&lt;\/p&gt;&lt;p&gt;another thing you mention is: even though the unit is watt, it actually represents W\/m3, right?&lt;\/p&gt;&lt;p&gt;the last question is: since the volumetric value is needed here, instead of the value from the point of solver, why ANSYS fluent didn&#8217;t add the variable directly in the software?&lt;\/p&gt;&lt;p&gt;Thank you.&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-395271","topic","type-topic","status-publish","hentry","topic-tag-2d_dpm-1","topic-tag-coal-particle-combustion-1","topic-tag-volumetric-reaction-rate"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_author_ip":["128.252.130.158"],"_btv_view_count":["388"],"_bbp_topic_status":["unanswered"],"_bbp_subscription":["199","27819"],"_bbp_topic_id":["395271"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","27819"],"_bbp_voice_count":["2"],"_bbp_reply_count":["3"],"_bbp_last_reply_id":["395513"],"_bbp_last_active_id":["395513"],"_bbp_last_active_time":["2024-11-27 10:24:47"]},"test":"ll00023mix-wvu-edu"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/395271","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\/395271\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=395271"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}