{"id":381252,"date":"2024-08-31T18:00:29","date_gmt":"2024-08-31T18:00:29","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/is-multiphase-necessary-for-combustion-with-liquid-propellants\/"},"modified":"2024-08-31T18:00:29","modified_gmt":"2024-08-31T18:00:29","slug":"is-multiphase-necessary-for-combustion-with-liquid-propellants","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/is-multiphase-necessary-for-combustion-with-liquid-propellants\/","title":{"rendered":"Is multiphase necessary for combustion with liquid propellants?"},"content":{"rendered":"<p>&lt;p&gt;I want the liquid fuel and oxidizer to flow through the injectors into the domain and combust. Do I need multiphase? Split into seperate cell zones? Should I just add the liquids to the mixture? If so how do I specify how density is calculated. Ideal gas wouldn&#8217;t work anymore. I have read a few papers that did similar things and didnt use multiphase but its unclear to me why its not necesary&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/08\/31-08-2024-1725126991-mceclip0.png\" \/>&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-381252","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=\"I want the liquid fuel and oxidizer to flow through the injectors into the domain and combust. Do I need multiphase? Split into seperate cell zones? Should I just add the liquids to the mixture? If so how do I specify how density is calculated. Ideal gas wouldn&#039;t work anymore. I have read a few\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/is-multiphase-necessary-for-combustion-with-liquid-propellants\/\" \/>\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=\"Is multiphase necessary for combustion with liquid propellants? | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"I want the liquid fuel and oxidizer to flow through the injectors into the domain and combust. Do I need multiphase? Split into seperate cell zones? Should I just add the liquids to the mixture? If so how do I specify how density is calculated. Ideal gas wouldn&#039;t work anymore. I have read a few\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/is-multiphase-necessary-for-combustion-with-liquid-propellants\/\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/08\/31-08-2024-1725126991-mceclip0.png\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/08\/31-08-2024-1725126991-mceclip0.png\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-08-31T18:00:29+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-08-31T18:00:29+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Is multiphase necessary for combustion with liquid propellants? | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"I want the liquid fuel and oxidizer to flow through the injectors into the domain and combust. Do I need multiphase? Split into seperate cell zones? Should I just add the liquids to the mixture? If so how do I specify how density is calculated. Ideal gas wouldn&#039;t work anymore. I have read a few\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/08\/31-08-2024-1725126991-mceclip0.png\" \/>\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\\\/is-multiphase-necessary-for-combustion-with-liquid-propellants\\\/#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\\\/is-multiphase-necessary-for-combustion-with-liquid-propellants\\\/#listItem\",\"name\":\"Is multiphase necessary for combustion with liquid propellants?\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/is-multiphase-necessary-for-combustion-with-liquid-propellants\\\/#listItem\",\"position\":3,\"name\":\"Is multiphase necessary for combustion with liquid propellants?\",\"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\\\/is-multiphase-necessary-for-combustion-with-liquid-propellants\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/is-multiphase-necessary-for-combustion-with-liquid-propellants\\\/\",\"name\":\"Is multiphase necessary for combustion with liquid propellants? | Ansys Learning Forum\",\"description\":\"I want the liquid fuel and oxidizer to flow through the injectors into the domain and combust. 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