{"id":434908,"date":"2025-06-20T12:21:03","date_gmt":"2025-06-20T12:21:03","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/raditation-through-mli-thermal-desktop\/"},"modified":"2025-06-20T12:21:03","modified_gmt":"2025-06-20T12:21:03","slug":"raditation-through-mli-thermal-desktop","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/raditation-through-mli-thermal-desktop\/","title":{"rendered":"Raditation through MLI &#8211; Thermal Desktop"},"content":{"rendered":"<p>&lt;p&gt;Hi, I was trying to model heat transfer through MLI into a cryogenic tank in Thermal Desktop. Each MLI had to be modelled using thin shell elements for a separate purpose nut even before advancign I got a doubt as to whether this is the correct approach. The problem is defined below:&lt;\/p&gt;&lt;p&gt;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2025\/06\/20-06-2025-1750421860-Screenshot from 2025-06-20 17-45-58.png\" alt=\"Problem description\" width=\"1170\" height=\"685\" \/>&lt;\/p&gt;&lt;p&gt;The 20 layer MLI heat transfer problem was solved using 20 thin shells because subsequent to this certain coolant channels had to be incorporated in between the MLI layers&lt;br&gt;However there is a doubt as to how the radiation heat transfer is getting solved, all the MLI layers were placed into a single radiation group &ldquo;radiation_shield&rdquo; and the space node was defined to be at 300K&nbsp;&lt;br&gt;I doubting if the interior layers will also be interacting with the space node, I would want only the outer most MLI to be interacting with the space node&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-434908","topic","type-topic","status-publish","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["27792"],"_bbp_topic_id":["434908"],"_bbp_subscription":["473258","51233"],"_bbp_author_ip":["61.1.181.102"],"_bbp_last_reply_id":["435302"],"_bbp_last_active_id":["435302"],"_bbp_last_active_time":["2025-06-24 17:45:22"],"_bbp_reply_count":["3"],"_bbp_reply_count_hidden":["0"],"_bbp_voice_count":["2"],"_bbp_engagement":["473258","51233"],"_btv_view_count":["227"],"_bbp_topic_status":["unanswered"]},"test":"v_vishnulpsc-gov-in"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/434908","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\/434908\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=434908"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}