{"id":381981,"date":"2024-09-09T12:54:43","date_gmt":"2024-09-09T12:54:43","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/rotating-and-mass-flow-inlet\/"},"modified":"2024-09-09T12:54:43","modified_gmt":"2024-09-09T12:54:43","slug":"rotating-and-mass-flow-inlet","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/rotating-and-mass-flow-inlet\/","title":{"rendered":"Rotating and mass flow inlet"},"content":{"rendered":"<p>&lt;p&gt;Hello everybody!&lt;br&gt;I&#8217;m trying to simulate air movement in 2D. There is an external fixed cylinder and an internal rotating one, as well as two channels (top and bottom) for pumping air. The geometry, shaft speed and mass flow of air that enters through the shaft are known. The question is whether it is possible to simultaneously &ldquo;apply&rdquo; the Rotating wall and Mass-Flow-Inlet conditions to the inner cylinder (modeled so that air flows evenly, as if from the shaft (inner cylinder))? Or are there any other ways to solve the problem?&lt;br&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/09\/09-09-2024-1725886458-Sketch.png\" alt=\"\" \/>&lt;br&gt;Thank you, I will be glad for any help!&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-381981","topic","type-topic","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=\"Hello everybody!I&#039;m trying to simulate air movement in 2D. There is an external fixed cylinder and an internal rotating one, as well as two channels (top and bottom) for pumping air. The geometry, shaft speed and mass flow of air that enters through the shaft are known. The question is whether it is possible to\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/rotating-and-mass-flow-inlet\/\" \/>\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=\"Rotating and mass flow inlet | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Hello everybody!I&#039;m trying to simulate air movement in 2D. There is an external fixed cylinder and an internal rotating one, as well as two channels (top and bottom) for pumping air. The geometry, shaft speed and mass flow of air that enters through the shaft are known. 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There is an external fixed cylinder and an internal rotating one, as well as two channels (top and bottom) for pumping air. The geometry, shaft speed and mass flow of air that enters through the shaft are known. 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