{"id":342233,"date":"2023-12-27T15:15:31","date_gmt":"2023-12-27T15:15:31","guid":{"rendered":"\/forum\/forums\/topic\/fluent-diffusion-coefficients-in-porous-zone\/"},"modified":"2023-12-27T15:15:31","modified_gmt":"2023-12-27T15:15:31","slug":"fluent-diffusion-coefficients-in-porous-zone","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/fluent-diffusion-coefficients-in-porous-zone\/","title":{"rendered":"Fluent &#8211; Diffusion coefficients in porous zone"},"content":{"rendered":"<p>Hi, I&#8217;m working in Fluent 22R2 and 23R2 in 2D simulations with non-equilibrium thermal model in porous zone. In the Porous zone sections of the Users guide and the theory guide it&#8217;s not specified how the diffusion coefficients are calculated inside the porous zone, however, in the section about fuel cell modeling the effective diff. coef. are described implementing a porous media model (see picture attached).<\/p>\n<p>I was wondering if the same model is implemented automatically when the porous media zone cell condition is activated.<\/p>\n<p>Thanks<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/12\/27-12-2023-1703690045-unnamed.png\" alt=\"\"><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"template":"","class_list":["post-342233","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=\"Hi, I&#039;m working in Fluent 22R2 and 23R2 in 2D simulations with non-equilibrium thermal model in porous zone. In the Porous zone sections of the Users guide and the theory guide it&#039;s not specified how the diffusion coefficients are calculated inside the porous zone, however, in the section about fuel cell modeling the effective diff.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/fluent-diffusion-coefficients-in-porous-zone\/\" \/>\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=\"Fluent \u2013 Diffusion coefficients in porous zone | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Hi, I&#039;m working in Fluent 22R2 and 23R2 in 2D simulations with non-equilibrium thermal model in porous zone. In the Porous zone sections of the Users guide and the theory guide it&#039;s not specified how the diffusion coefficients are calculated inside the porous zone, however, in the section about fuel cell modeling the effective diff.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/fluent-diffusion-coefficients-in-porous-zone\/\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/sites\/2\/2023\/12\/27-12-2023-1703690045-unnamed.png\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/sites\/2\/2023\/12\/27-12-2023-1703690045-unnamed.png\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-12-27T15:15:31+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-12-27T15:15:31+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Fluent \u2013 Diffusion coefficients in porous zone | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Hi, I&#039;m working in Fluent 22R2 and 23R2 in 2D simulations with non-equilibrium thermal model in porous zone. In the Porous zone sections of the Users guide and the theory guide it&#039;s not specified how the diffusion coefficients are calculated inside the porous zone, however, in the section about fuel cell modeling the effective diff.\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/sites\/2\/2023\/12\/27-12-2023-1703690045-unnamed.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\\\/fluent-diffusion-coefficients-in-porous-zone\\\/#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\\\/fluent-diffusion-coefficients-in-porous-zone\\\/#listItem\",\"name\":\"Fluent &#8211; Diffusion coefficients in porous zone\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/fluent-diffusion-coefficients-in-porous-zone\\\/#listItem\",\"position\":3,\"name\":\"Fluent &#8211; Diffusion coefficients in porous zone\",\"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\\\/fluent-diffusion-coefficients-in-porous-zone\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/fluent-diffusion-coefficients-in-porous-zone\\\/\",\"name\":\"Fluent \\u2013 Diffusion coefficients in porous zone | Ansys Learning Forum\",\"description\":\"Hi, I'm working in Fluent 22R2 and 23R2 in 2D simulations with non-equilibrium thermal model in porous zone. 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