{"id":42512,"date":"2020-04-07T01:27:43","date_gmt":"2020-04-07T01:27:43","guid":{"rendered":"\/forum\/forums\/topic\/condensation-of-water-vapor-from-air-2\/"},"modified":"2020-04-07T01:27:43","modified_gmt":"2020-04-07T01:27:43","slug":"condensation-of-water-vapor-from-air-2","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/condensation-of-water-vapor-from-air-2\/","title":{"rendered":"Condensation of water vapor from air"},"content":{"rendered":"<p>Hello all<\/p>\n<p><\/p>\n<p>I am trying to simulate the condensation of water vapor from the air using eulerian mixture and condensation model . Below is screenshot of the domain and physics I have chosen<\/p>\n<p><\/p>\n<p>I dont understand why RH% determined by fluent is greater than 100%. Have i put in some absurd values anywhere here?<img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/8783b913-75bb-4621-bc33-ab9600135e47\/2dc2469d-9c2b-489c-9710-ab960014cdc1_capture.jpg?width=690&amp;upscale=false\" alt=\"\"><\/p>\n<p><\/p>\n<p>B.Cs<\/p>\n<p><\/p>\n<p>Inlet: Air with 80% RH, velcotiy = 1m\/s<\/p>\n<p><\/p>\n<p>Volume fractions of water: 0.0315 based on calculated&nbsp;mass fraction of water vapor for 80% RH using RH formula<\/p>\n<p><\/p>\n<p>Outlet: Gauge pressure: 0 Pa<\/p>\n<p><\/p>\n<p>Backflow volume fraction of water vapor: 0<\/p>\n<p><\/p>\n<p>Walls of tube: 283K<\/p>\n<p><\/p>\n<p>Side walls: adiabatic<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p>Multiphysics interaction<\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/8783b913-75bb-4621-bc33-ab9600135e47\/b913f8b8-ce0f-424d-8734-ab9600167f8b_1.jpg?width=690&amp;upscale=false\" alt=\"\"><\/p>\n<p><\/p>\n<p>Materials defined &#8211; one phase is mixture of air and water vapor .other phase is water in liquid only&nbsp;<\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/8783b913-75bb-4621-bc33-ab9600135e47\/275f41ee-853f-48a4-83d5-ab96001694cb_materials.jpg?width=690&amp;upscale=false\" alt=\"\"><\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/8783b913-75bb-4621-bc33-ab9600135e47\/8ae0732c-a7d1-4439-ad68-ab960018036e_phases.jpg?width=690&amp;upscale=false\" alt=\"\"><\/p>\n<p><\/p>\n<p>Condensation evaporation model setting<\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/8783b913-75bb-4621-bc33-ab9600135e47\/14653f9d-a94c-4e37-b271-ab960017a6a9_air-vapor-mix-int.jpg?width=690&amp;upscale=false\" alt=\"\"><\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p>Results<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/8783b913-75bb-4621-bc33-ab9600135e47\/95e9da36-5731-4d07-ae2f-ab960017d716_results.jpg?width=690&amp;upscale=false\" alt=\"\"><\/p>\n","protected":false},"template":"","class_list":["post-42512","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["14692"],"_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"],"_btv_view_count":["1925"],"_bbp_subscription":["249554"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["42512"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","22555","175382"],"_bbp_voice_count":["3"],"_bbp_reply_count":["15"],"_bbp_last_reply_id":["111282"],"_bbp_last_active_id":["111282"],"_bbp_last_active_time":["2020-04-15 10:30:50"]},"test":"chand101"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/42512","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\/42512\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=42512"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}