{"id":373483,"date":"2024-07-24T18:47:37","date_gmt":"2024-07-24T18:47:37","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/solar-load-mesh-orientation-and-beam-direction-2\/"},"modified":"2024-07-24T18:47:37","modified_gmt":"2024-07-24T18:47:37","slug":"solar-load-mesh-orientation-and-beam-direction-2","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/solar-load-mesh-orientation-and-beam-direction-2\/","title":{"rendered":"Solar load, Mesh orientation and Beam direction"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" title=\"Geometry\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/07\/24-07-2024-1721846709-screenshot 2.PNG\" alt=\"\" width=\"722\" height=\"428\"><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">I have a passive skylight geometry assumed to be installed in rooftop designed in space claim, Bottom window glass is inside the room (298 K), and the top Window is assumed to be at 293 K.<\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">I want to apply the solar load on this model.<\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">I divided the wavelength intervals, band 1: 0 to 4 &mu;m, band 2 : 4 to 8 &mu;m, band 3: 8 to 14 0 to 4 &mu;m and band 4 : 14 to 50 0 to 4 &mu;m.<\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">I am interested in calculating the Transmitted radiative fluxes in band 3 through semi-transparent material, tau = 0.75, epsilon = 0.25 and Rho = 0.<\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">Semi &ndash; transparent material has arranged diagonally one at the bottom and the other at the top. (please look at the screenshot attached).&nbsp;<\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">Questions are:<\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">1. Should I choose Solar ray tracing or Solar irradiation.?<\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">2. If I choose the solar ray tracing, can anyone help me with the mesh orientation? Does solar irradiation model consider mesh orientation?<\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">3. For the semi -transparent materials = Top ZnS glass and bottom ZnS glass &nbsp;(see screenshot attached), please guide me with beam direction and beam direction values are automatically calculated by Ansys,<\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">However, &nbsp;I input the values :<\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">Absorptivity &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;&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;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Transmittivity<\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">Direct visible = 0.25&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;&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; Direct visible = 0.75<\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">Direct IR = 0.25&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;&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;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Direct IR = 0.75<\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">Diffuse Hemi-spherical = 0.25&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;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Direct hemi-spherical = 0.75<\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">(because emissivity = absorptivity)<\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">&nbsp;<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/07\/24-07-2024-1721846756-screenshot 1.PNG\" alt=\"\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/07\/24-07-2024-1721846785-Top and bottom ZnS glass.PNG\" alt=\"\"><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"template":"","class_list":["post-373483","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["19394","54120"],"_bbp_author_ip":["130.232.83.188"]," _bbp_last_reply_id":["0"],"_btv_view_count":["166"]," _bbp_likes_count":["0"],"_bbp_topic_status":["unanswered"],"_bbp_topic_id":["373483"],"_bbp_forum_id":["27792"],"_bbp_engagement":["19394","54120"],"_bbp_voice_count":["2"],"_bbp_reply_count":["2"],"_bbp_last_reply_id":["377386"],"_bbp_last_active_id":["377386"],"_bbp_last_active_time":["2024-08-06 13:23:22"]},"test":"gopalakrishna-gangisettyabo-fi"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/373483","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\/373483\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=373483"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}