{"id":370844,"date":"2024-07-06T00:12:53","date_gmt":"2024-07-06T00:12:53","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/370844\/"},"modified":"2024-07-06T00:12:53","modified_gmt":"2024-07-06T00:12:53","slug":"370844","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/370844\/","title":{"rendered":"Reply To: UDF describing the relationship between pressure loss and mass flow rate"},"content":{"rendered":"<p>&lt;p&gt;Dear Rob!&lt;\/p&gt;&lt;p&gt;&nbsp; &nbsp; &nbsp;Thank you for you reply!I have a long pipe containing compressed air, the air is modeled as an ideal gas model, if the pressure loss is large, the density change will be large and the corresponding velocity change will be large. I know the relationship between mass and pressure loss, but not the relationship between velocity and pressure loss.&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-370844","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=\"Dear Rob! Thank you for you reply!I have a long pipe containing compressed air, the air is modeled as an ideal gas model, if the pressure loss is large, the density change will be large and the corresponding velocity change will be large. 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