{"id":35182,"date":"2019-05-07T16:28:29","date_gmt":"2019-05-07T16:28:29","guid":{"rendered":"\/forum\/forums\/topic\/thermal-heat-transfer-through-a-coolant-flowing-in-a-cylinder\/"},"modified":"2019-05-07T16:28:29","modified_gmt":"2019-05-07T16:28:29","slug":"thermal-heat-transfer-through-a-coolant-flowing-in-a-cylinder","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/thermal-heat-transfer-through-a-coolant-flowing-in-a-cylinder\/","title":{"rendered":"Thermal Heat transfer through a coolant flowing in a cylinder"},"content":{"rendered":"<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: 15px; overflow-x: hidden; font-family: 'Open Sans', Arial, Helvetica, sans-serif;\">Hello&nbsp;<\/p>\n<p><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: 15px; overflow-x: hidden; font-family: 'Open Sans', Arial, Helvetica, sans-serif;\">I am trying to simulate heat transfer to a spiral structure with fluid flow. I am using steady state heat transfer. i have made the spiral structure on the outside cylinder.&nbsp; There is a problem with the model. When I try to run it it gives a limitations error because i am using a student version.<\/p>\n<p><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: 15px; overflow-x: hidden; font-family: 'Open Sans', Arial, Helvetica, sans-serif;\">I have tried to make a command file but I dont know if its correct since i am not familar with APDL codes<\/p>\n<p><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: 15px; overflow-x: hidden; font-family: 'Open Sans', Arial, Helvetica, sans-serif;\">the data which needs to be transmitted through this command file is&nbsp;<\/p>\n<p><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: 15px; overflow-x: hidden; font-family: 'Open Sans', Arial, Helvetica, sans-serif;\">Fluid116<\/p>\n<p><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: 15px; overflow-x: hidden; font-family: 'Open Sans', Arial, Helvetica, sans-serif;\">Density= 1000kg\/m3<\/p>\n<p><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: 15px; overflow-x: hidden; font-family: 'Open Sans', Arial, Helvetica, sans-serif;\">Inlet Velocity= 1kg\/s<\/p>\n<p><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: 15px; overflow-x: hidden; font-family: 'Open Sans', Arial, Helvetica, sans-serif;\">Inlet temperature=20 C<\/p>\n<p><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: 15px; overflow-x: hidden; font-family: 'Open Sans', Arial, Helvetica, sans-serif;\">I dont know about the convective heat transfer coefficient. i can assume the worst case scenario.&nbsp;<\/p>\n<p><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: 15px; overflow-x: hidden; font-family: 'Open Sans', Arial, Helvetica, sans-serif;\">I need to know how to define the inlet mass flow though APDL coding<\/p>\n<p><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: 15px; overflow-x: hidden; font-family: 'Open Sans', Arial, Helvetica, sans-serif;\">and how to assign the convective heat transfer coefficient say 50 W\/mm2C<\/p>\n<p><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: 15px; overflow-x: hidden; font-family: 'Open Sans', Arial, Helvetica, sans-serif;\">I have&nbsp; attached the model for you to see. Please take a look at the command file in the model.&nbsp;<\/p>\n<p><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: 15px; overflow-x: hidden; font-family: 'Open Sans', Arial, Helvetica, sans-serif;\">The cylinder is open to atmosphere. The inside cylinder temperature is 200C-<\/p>\n<p><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: 15px; overflow-x: hidden; font-family: 'Open Sans', Arial, Helvetica, sans-serif;\">&nbsp;<\/p>\n","protected":false},"template":"","class_list":["post-35182","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["7354"],"_bbp_old_topic_author_name_id":["Anonymous"],"_bbp_old_is_topic_anonymous_id":["false"],"_bbp_old_closed_status_id":["publish"],"_bbp_author_ip":[null],"_bbp_old_sticky_status_id":["normal"],"_bbp_likes_count":["0","0"],"_btv_view_count":["426"],"_bbp_subscription":["237888"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["35182"],"_bbp_forum_id":["27791"],"_bbp_engagement":["25","199","160462"],"_bbp_voice_count":["3"],"_bbp_reply_count":["3"],"_bbp_last_reply_id":["84835"],"_bbp_last_active_id":["84835"],"_bbp_last_active_time":["2019-05-09 02:31:34"]},"test":"hassam"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/35182","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\/35182\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=35182"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}