


{"id":158329,"date":"2021-05-10T14:05:29","date_gmt":"2021-05-10T14:05:29","guid":{"rendered":"\/forum\/forums\/topic\/can-i-exclude-temperature-exponent-and-rate-exponent-for-a-reaction-in-species-model-in-fluent\/"},"modified":"2021-05-11T12:03:31","modified_gmt":"2021-05-11T12:03:31","slug":"can-i-exclude-temperature-exponent-and-rate-exponent-for-a-reaction-in-species-model-in-fluent","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/can-i-exclude-temperature-exponent-and-rate-exponent-for-a-reaction-in-species-model-in-fluent\/","title":{"rendered":"Can I exclude temperature exponent and rate exponent for a reaction in Species model in Fluent?"},"content":{"rendered":"<div class=\"Item-Body\">\n<div class=\"Message userContent\">\n<p>Hello everyone,<\/p>\n<p>If only&nbsp;<strong>pre-exponential factor<\/strong>&nbsp;and&nbsp;<strong>activation energy<\/strong>&nbsp;of a reaction are provided, can the reaction and kinetics be used in ANSYS Fluent? If the corresponding&nbsp;<strong>temperature exponent<\/strong>&nbsp;and&nbsp;<strong>rate exponent<\/strong>&nbsp;are not available and not included in the Fluent, can the simulation provide acceptable results?<\/p>\n<p>Note: I am using species model and volumetric reactions in Fluent<\/p>\n<p><\/p>\n<\/p>\n<p>Example:<\/p>\n<p><strong>CH3OH + 1.5 O2 = CO2 + 2 H2O<\/strong><\/p>\n<p>(pre-exponential coefficient <strong>1.799e+10<\/strong> and activation energy value of <strong>1.256e+8<\/strong> (J\/kg mole)).<\/p>\n<p>A snapshot of the reactions section of Fluent is attached here.<\/p>\n<p><\/p>\n<\/p>\n<div class=\"embedExternal embedImage\">\n<div class=\"embedExternal-content\">\n<a class=\"embedImage-link\" href=\"\/forum\/wp-content\/uploads\/forum-uploads\/097\/W95JB6E4JART.jpg\" rel=\"nofollow noopener\" target=\"_blank\"><br \/>\n<img decoding=\"async\" class=\"embedImage-img\" src=\"\/forum\/wp-content\/uploads\/forum-uploads\/097\/W95JB6E4JART.jpg\" alt=\"Capture.JPG\" \/><br \/>\n<\/a><\/p>\n","protected":false},"template":"","class_list":["post-158329","topic","type-topic","status-closed","hentry","topic-tag-fluent","topic-tag-reaction","topic-tag-species-model-1","topic-tag-species-transport"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_author_ip":[""],"_bbp_old_reply_author_name_id":["Anonymous"],"_bbp_old_is_reply_anonymous_id":["false"],"_btv_view_count":["1935"],"_bbp_likes_count":["0"],"_bbp_subscription":["256955","273287"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["158329"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","182814","273287"],"_bbp_voice_count":["3"],"_bbp_reply_count":["5"],"_bbp_last_reply_id":["247334"],"_bbp_last_active_id":["247334"],"_bbp_last_active_time":["2023-01-24 10:23:26"]},"test":"azazmce"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/158329","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\/158329\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=158329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}