{"id":312818,"date":"2023-10-23T12:06:51","date_gmt":"2023-10-23T12:06:51","guid":{"rendered":"\/forum\/forums\/topic\/calculation-of-mass-flow-rates-from-pressure-inlets\/"},"modified":"2023-10-23T12:06:51","modified_gmt":"2023-10-23T12:06:51","slug":"calculation-of-mass-flow-rates-from-pressure-inlets","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/calculation-of-mass-flow-rates-from-pressure-inlets\/","title":{"rendered":"Calculation of mass flow rates from pressure inlets"},"content":{"rendered":"<p>Hello everyone<\/p>\n<p>I am trying to flow multiple fluids in cross directions thorugh C-D nozzle to observe the heat transfer between them. I have been using pressure based inlets till now. The temperature and pressure and velocity formed by the flow are almost simalar to the values calculated analytically but the issue i am facing is of flow rates. The flow rates I have found using CFD are not similar to those found analytically and the CFD values of flow rates about 10 to 11 times higher. Kindly If anyone has knowledge about calculating massflow rates correctly guide me.<\/p>\n<p>Thanks<\/p>\n","protected":false},"template":"","class_list":["post-312818","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hello everyoneI am trying to flow multiple fluids in cross directions thorugh C-D nozzle to observe the heat transfer between them. I have been using pressure based inlets till now. The temperature and pressure and velocity formed by the flow are almost simalar to the values calculated analytically but the issue i am facing is\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/calculation-of-mass-flow-rates-from-pressure-inlets\/\" \/>\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=\"Calculation of mass flow rates from pressure inlets | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Hello everyoneI am trying to flow multiple fluids in cross directions thorugh C-D nozzle to observe the heat transfer between them. I have been using pressure based inlets till now. The temperature and pressure and velocity formed by the flow are almost simalar to the values calculated analytically but the issue i am facing is\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/calculation-of-mass-flow-rates-from-pressure-inlets\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-10-23T12:06:51+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-10-23T12:06:51+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Calculation of mass flow rates from pressure inlets | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Hello everyoneI am trying to flow multiple fluids in cross directions thorugh C-D nozzle to observe the heat transfer between them. I have been using pressure based inlets till now. The temperature and pressure and velocity formed by the flow are almost simalar to the values calculated analytically but the issue i am facing is\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/calculation-of-mass-flow-rates-from-pressure-inlets\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"position\":2,\"name\":\"Topics\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/calculation-of-mass-flow-rates-from-pressure-inlets\\\/#listItem\",\"name\":\"Calculation of mass flow rates from pressure inlets\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/calculation-of-mass-flow-rates-from-pressure-inlets\\\/#listItem\",\"position\":3,\"name\":\"Calculation of mass flow rates from pressure inlets\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#organization\",\"name\":\"Ansys Learning Forum\",\"description\":\"Ansys Innovation Space\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/calculation-of-mass-flow-rates-from-pressure-inlets\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/calculation-of-mass-flow-rates-from-pressure-inlets\\\/\",\"name\":\"Calculation of mass flow rates from pressure inlets | Ansys Learning Forum\",\"description\":\"Hello everyoneI am trying to flow multiple fluids in cross directions thorugh C-D nozzle to observe the heat transfer between them. 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