{"id":39531,"date":"2019-12-11T05:21:00","date_gmt":"2019-12-11T05:21:00","guid":{"rendered":"\/forum\/forums\/topic\/global-or-detailed-reaction-mechanism-2\/"},"modified":"2019-12-11T05:21:00","modified_gmt":"2019-12-11T05:21:00","slug":"global-or-detailed-reaction-mechanism-2","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/global-or-detailed-reaction-mechanism-2\/","title":{"rendered":"global or detailed reaction mechanism"},"content":{"rendered":"<p>hello everyone<\/p>\n<p><\/p>\n<p>i am trying to study H2-O2 combustion in a micro combustor with a 9 species 19 reactions mechanism using Fluent<\/p>\n<p><\/p>\n<p>plz refer to the file attached<\/p>\n<p><\/p>\n<p>doing the simulation with global reaction was giving outerwall temp of around 1300K but with this mechanism its reaching only 900 K<\/p>\n<p><\/p>\n<p>plz let me know do the values of the constants ie&#8230;activation energy etc have to be given as such as is given in this mechanism or do i need to do some conversion<\/p>\n<p><\/p>\n<p>also what could be the cause for this temp dip<\/p>\n<p><\/p>\n<p>i have k-epsilon turbulence model and eddy dissipation concept<\/p>\n<p><\/p>\n<p>TIA<\/p>\n","protected":false},"template":"","class_list":["post-39531","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["11710"],"_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":["176"],"_bbp_subscription":["243158"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["39531"],"_bbp_forum_id":["27792"],"_bbp_engagement":["168724"],"_bbp_voice_count":["1"],"_bbp_reply_count":["0"],"_bbp_last_reply_id":["0"],"_bbp_last_active_id":["39531"],"_bbp_last_active_time":["2019-12-11 05:21:00"]},"test":"micro"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/39531","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\/39531\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=39531"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}