{"id":374326,"date":"2024-07-31T01:20:36","date_gmt":"2024-07-31T01:20:36","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/374326\/"},"modified":"2024-07-31T01:26:30","modified_gmt":"2024-07-31T01:26:30","slug":"374326","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/374326\/","title":{"rendered":"Reply To: Volume Fraction too Low. How to Improve?"},"content":{"rendered":"<p>&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;Thank you Sir,&lt;\/p&gt;&lt;p&gt;Currently, i am setting pressure 1061700Pa as per P-T saturation curve for temperature 300K. Similarly the outlet pressure is 968150Pa for 295K.&nbsp;&lt;\/p&gt;&lt;p&gt;In Eulerian Multifluid VOF model, Lee vs Thermal Phase change, which model is preferrable for mass transfer.&nbsp;&lt;\/p&gt;&lt;p&gt;One more thing that comes into my mind right now, for how long, i need to keep the simulation running? the condensation is happening but at very slow rate and if i see the residuals, they are all flat or changing at very slow rate. should i give much more time to the simulation like weeks?&nbsp;&lt;\/p&gt;&lt;p&gt;my current timestep size is 1e-5 with max iteration\/timestep of 20. scheme is Implicit.&nbsp;&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-374326","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Thank you Sir,Currently, i am setting pressure 1061700Pa as per P-T saturation curve for temperature 300K. Similarly the outlet pressure is 968150Pa for 295K. In Eulerian Multifluid VOF model, Lee vs Thermal Phase change, which model is preferrable for mass transfer. One more thing that comes into my mind right now, for how long, i need to\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/374326\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ansys Learning Forum | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Reply To: Volume Fraction too Low. How to Improve? | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Thank you Sir,Currently, i am setting pressure 1061700Pa as per P-T saturation curve for temperature 300K. 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