{"id":361636,"date":"2024-04-11T04:31:15","date_gmt":"2024-04-11T04:31:15","guid":{"rendered":"\/forum\/forums\/topic\/hybrid-rocket-simulation-2\/"},"modified":"2024-04-11T04:31:15","modified_gmt":"2024-04-11T04:31:15","slug":"hybrid-rocket-simulation-2","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/hybrid-rocket-simulation-2\/","title":{"rendered":"Hybrid Rocket Simulation"},"content":{"rendered":"<p>I&#8217;m working off this (https:\/\/www.mdpi.com\/2571-6255\/6\/3\/100) research paper on modelling a hybrid rocket to determine its regression rate. I&#8217;m unsure how to model the fuel inlet. I thought it meant it should be a mass flow inlet, but now im thinking it could be a wall boundary condition with a surface injection of the fuel because it depends on the heat flux to the fuel wall, and im not sure you can get that if its an inlet.<\/p>\n<p>TLDR: I&#8217;m not sure what a fuel wall+source boundary condition is in this paper in sections 5.2-5.4<\/p>\n","protected":false},"template":"","class_list":["post-361636","topic","type-topic","status-closed","hentry","topic-tag-2d","topic-tag-aerospace-engineering-1","topic-tag-cfd","topic-tag-engine-1","topic-tag-rocket"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"I&#039;m working off this (https:\/\/www.mdpi.com\/2571-6255\/6\/3\/100) research paper on modelling a hybrid rocket to determine its regression rate. I&#039;m unsure how to model the fuel inlet. I thought it meant it should be a mass flow inlet, but now im thinking it could be a wall boundary condition with a surface injection of the fuel because\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/hybrid-rocket-simulation-2\/\" \/>\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=\"Hybrid Rocket Simulation | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"I&#039;m working off this (https:\/\/www.mdpi.com\/2571-6255\/6\/3\/100) research paper on modelling a hybrid rocket to determine its regression rate. I&#039;m unsure how to model the fuel inlet. 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I thought it meant it should be a mass flow inlet, but now im thinking it could be a wall boundary condition with a surface injection of the fuel because\" \/>\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\\\/hybrid-rocket-simulation-2\\\/#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-tag\\\/cfd\\\/#listItem\",\"name\":\"cfd\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/cfd\\\/#listItem\",\"position\":3,\"name\":\"cfd\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/cfd\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/hybrid-rocket-simulation-2\\\/#listItem\",\"name\":\"Hybrid Rocket Simulation\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/hybrid-rocket-simulation-2\\\/#listItem\",\"position\":4,\"name\":\"Hybrid Rocket Simulation\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/cfd\\\/#listItem\",\"name\":\"cfd\"}}]},{\"@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\\\/hybrid-rocket-simulation-2\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/hybrid-rocket-simulation-2\\\/\",\"name\":\"Hybrid Rocket Simulation | Ansys Learning Forum\",\"description\":\"I'm working off this (https:\\\/\\\/www.mdpi.com\\\/2571-6255\\\/6\\\/3\\\/100) research paper on modelling a hybrid rocket to determine its regression rate. I'm unsure how to model the fuel inlet. 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