{"id":355927,"date":"2024-03-07T16:11:06","date_gmt":"2024-03-07T16:11:06","guid":{"rendered":"\/forum\/forums\/topic\/energy-conservation-balance-in-mixture-multiphase\/"},"modified":"2024-03-07T16:11:06","modified_gmt":"2024-03-07T16:11:06","slug":"energy-conservation-balance-in-mixture-multiphase","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/energy-conservation-balance-in-mixture-multiphase\/","title":{"rendered":"Energy conservation\/balance in mixture multiphase"},"content":{"rendered":"<p>Hello,<\/p>\n<p>I have a finished simulation with the attached domain. used mixture model, lee condensation\/evaporation with piece-wise linear for saturation temperature of humid air. ran for 250s and converged.<\/p>\n<p>Initial Condition: Chamber at 15C with 80% RH<\/p>\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Air inside the pipe 17C with 80% RH<\/p>\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Soil and pipe at 17C<\/p>\n<p>Final Condition: Chamber at average 20.48C with 0.66% RH<\/p>\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Air inside the pipe at average 20.19C with 0.67% RH<\/p>\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Soil and pipe at average 17.09C<\/p>\n<p>&nbsp;<\/p>\n<p>My questions are:<\/p>\n<p>1-How the average temperature of soil went up not down?<\/p>\n<p>2-When calculating MASS INTEGRAL of TOTAL ENERGY and selecting all parts, should not the initial and final values be the same? these values are not similar in my simulation!<\/p>\n<p>3-when calculating MASS INTEGRAL of TOTAL ENERGY for ALL PARTS EXCEPT CHAMBER, I expected the difference between initial and final values to be equal to the energy added to the Chamber part, but its not the case! what am I missing?<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/03\/07-03-2024-1709827442-INITIAL-TOT-ENERGY.png\" alt=\"\"><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/03\/07-03-2024-1709827452-FINAL-TOT-ENERGY.png\" alt=\"\"><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/03\/07-03-2024-1709827559-Capture.JPG\" alt=\"\"><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/03\/07-03-2024-1709827428-2D-MIXTURE.png\" alt=\"\"><\/p>\n","protected":false},"template":"","class_list":["post-355927","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["216824","15180","199"],"_bbp_author_ip":["23.52.43.10"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["605"],"_bbp_topic_status":["unanswered"],"_bbp_topic_id":["355927"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","15180","216824"],"_bbp_voice_count":["3"],"_bbp_reply_count":["47"],"_bbp_last_reply_id":["362698"],"_bbp_last_active_id":["362698"],"_bbp_last_active_time":["2024-04-17 13:04:33"]},"test":"ahkhoshbooiemun-ca"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/355927","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\/355927\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=355927"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}