{"id":41729,"date":"2020-03-12T06:42:15","date_gmt":"2020-03-12T06:42:15","guid":{"rendered":"\/forum\/forums\/topic\/description-of-define-linearized-mass-transfer\/"},"modified":"2020-03-12T06:42:15","modified_gmt":"2020-03-12T06:42:15","slug":"description-of-define-linearized-mass-transfer","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/description-of-define-linearized-mass-transfer\/","title":{"rendered":"Description of DEFINE LINEARIZED MASS TRANSFER"},"content":{"rendered":"<p>In the description of define linearized mass transfer, the source term is processed as follows:<\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/762003cf-ad05-4621-8db2-ab050054577a\/a9dbc1a6-0dcd-4c60-97fb-ab7c006bf56d_qq??20200312143237.jpg?width=690&amp;upscale=false\" alt=\"\"><\/p>\n<p><\/p>\n<p>I am curious about the expression of k1 and k2. If the source term is not&nbsp;proportional to afrom or ato, how to determine the expressions of k1 and k2. For exmple, the source term of Schnerr and Sauer cavitation model is proportional to a*(1-a). What the expression of m_dot is?<\/p>\n<p><\/p>\n<p>For example, I have written a code.<\/p>\n<p><\/p>\n<p>c_evap = 3.*F_evap*rho_l*rho_v\/(rho_mix*RB);<\/p>\n<p><\/p>\n<p>m_dot = c_evap*sqrt((2\/3.0)*dp\/rho_l)*(1-vof_v);<\/p>\n<p><\/p>\n<p>m_source = m_dot*vof_l;<\/p>\n<p><\/p>\n<p>It didn&#8217;t work. As i removed the term &#8220;(1-vof_v)&#8221; in Line2, it was feasible, but I knew it was wrong.<\/p>\n<p><\/p>\n<p>I hope someone can give some advices.<\/p>\n<p><\/p>\n<p>Thanks!<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"template":"","class_list":["post-41729","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["13909"],"_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":["918"],"_bbp_subscription":["244888"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["41729"],"_bbp_forum_id":["27792"],"_bbp_engagement":["22555","170514"],"_bbp_voice_count":["2"],"_bbp_reply_count":["4"],"_bbp_last_reply_id":["107621"],"_bbp_last_active_id":["107621"],"_bbp_last_active_time":["2020-03-12 11:39:00"]},"test":"bart"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/41729","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\/41729\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=41729"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}