


{"id":35639,"date":"2019-05-28T18:18:50","date_gmt":"2019-05-28T18:18:50","guid":{"rendered":"\/forum\/forums\/topic\/gas-liquid-cyclone-separator\/"},"modified":"2019-05-28T18:18:50","modified_gmt":"2019-05-28T18:18:50","slug":"gas-liquid-cyclone-separator","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/gas-liquid-cyclone-separator\/","title":{"rendered":"Gas Liquid Cyclone Separator"},"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;\">Hi everyone,&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 doing research for my master degree thesis. I am trying to create a&nbsp;gas liquid cyclone separator (the gas should be air and the liquids water and oil) with a tangential inlet.&nbsp; I am trying to include ANSYS simulations of the vortex within the cyclone model.<\/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 drawn my cyclone model on spaceclaim and imported it onto ANSYS, I am looking for guidance for what parameters I should set along with boundary conditions.<\/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 follow some tutorials here on the forum and on youtube, but most of them are about separation of solid particles from the main flow, none of them is about separation of gasses and liquids.<\/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 just a beginner, so I could really use some help.<\/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;\">Usually these are the steps I follow:<\/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;\">1) steady simulation, with gravity<\/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;\">2)In the model I set Multiphase ( air and water.. I&#8217;ll try to add the oil later when all will begin to work) and Turbulent (k epsilon &#8211; RNG- Swirl dominated flow).&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;\">3) In physics I set all the phases<\/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;\">4)Materials: air and water liquid<\/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;\">5)Boundary conditions: the inlet is a velocity inlet ( the phases are 0.5 air and 0.5 water, but I am not sure I&#8217;m doing this correctly) and liquid and&nbsp;gas outlets are pressure outlets ( again, I am not sure I am doing this correctly)<\/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;\">6)For solution methods I select second order equations<\/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;\">7) I do not perform an hybrid initialization<\/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;\"><img decoding=\"async\" src=\"\/bigeyes.gif\" width=\"\" height=\"\" alt=\"8)\" title=\"8)\" class=\"bbcode_smiley\" \/> When I tried to perform transient simulations I had a lot of troubles with selecting the correct Timesteps for having the Courant Number smaller than one, but even in that case I didn&#8217;t get a plausible solution; with steady simulation, again, I don&#8217;t know exactly what I am doing so I can really use some help.<\/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<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;\">Hoping that someone could give me some advises, thank you!<\/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-35639","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["7811"],"_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":["1","1"],"_btv_view_count":["686"],"_bbp_subscription":["240336","264534","291372","199"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["35639"],"_bbp_forum_id":["27792"],"_bbp_engagement":["25","199","114688","165650","169415","175382","264534","291372"],"_bbp_voice_count":["8"],"_bbp_reply_count":["13"],"_bbp_last_reply_id":["301297"],"_bbp_last_active_id":["301297"],"_bbp_last_active_time":["2023-08-14 10:53:13"]},"test":"cheza8"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/35639","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\/35639\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=35639"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}