


{"id":366843,"date":"2024-05-15T02:39:07","date_gmt":"2024-05-15T02:39:07","guid":{"rendered":"\/forum\/forums\/topic\/condensation-effect-of-inflation-layer-issue\/"},"modified":"2024-05-15T02:39:07","modified_gmt":"2024-05-15T02:39:07","slug":"condensation-effect-of-inflation-layer-issue","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/condensation-effect-of-inflation-layer-issue\/","title":{"rendered":"Condensation -effect of inflation layer issue"},"content":{"rendered":"<p>Hello,<\/p>\n<p>I have a couple of doubts about condensation simulation.<\/p>\n<p>Here is the domain for the simulation:<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/05\/15-05-2024-1715740697-meshng.png\" alt=\"\"><\/p>\n<p>&nbsp;<\/p>\n<p>The water vapor enters the chamber at a temperature of 300K through an inlet on&nbsp;the right side of the chamber. I have set the saturation temperature to 280K and the bottom temperature to 270K.&nbsp; All other walls are adiabatic. I have created an inflation layer at the bottom. Only the phase change mechanism is considered, using the mixture model. The vapor condenses at the bottom and forms a liquid layer, which actually happens.<\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/05\/15-05-2024-1715740722-bottom inflation.png\" alt=\"\"><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>However, when I created an inflation layer at the top wall, condensation also occurred at the top wall. I don&#8217;t understand why this is happening, as the temperature there is greater than the saturation temperature.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/05\/15-05-2024-1715740670-top and bottom.png\" alt=\"\"><\/p>\n<p>Also, what kind of boundary condition should I apply for this? The chamber simply opens to the atmosphere. Should I go for a velocity boundary, mass flow, or pressure boundary condition?<\/p>\n","protected":false},"template":"","class_list":["post-366843","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["348840"],"_bbp_author_ip":["23.32.16.87"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["199"],"_bbp_topic_status":["unanswered"],"_bbp_topic_id":["366843"],"_bbp_forum_id":["27792"],"_bbp_engagement":["348840"],"_bbp_voice_count":["1"],"_bbp_reply_count":["1"],"_bbp_last_reply_id":["367721"],"_bbp_last_active_id":["367721"],"_bbp_last_active_time":["2024-05-21 05:21:22"]},"test":"bhavanaeliz09gmail-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/366843","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\/366843\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=366843"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}