{"id":166793,"date":"2023-04-05T14:32:06","date_gmt":"2023-04-05T14:32:06","guid":{"rendered":"\/knowledge\/forums\/topic\/i-have-a-reaction-that-with-rate-that-is-a-function-of-both-products-and-reactants-as-follows-h2o-h2-0-5-o2-with-r-k-h2o-h2-0-7-o21-05-k-a-exper-ttn-how-can-i-enter-this-in-cf\/"},"modified":"2023-07-31T12:27:42","modified_gmt":"2023-07-31T12:27:42","slug":"i-have-a-reaction-that-with-rate-that-is-a-function-of-both-products-and-reactants-as-follows-h2o-h2-0-5-o2-with-r-k-h2o-h2-0-7-o21-05-k-a-exper-ttn-how-can-i-enter-this-in-cf","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/i-have-a-reaction-that-with-rate-that-is-a-function-of-both-products-and-reactants-as-follows-h2o-h2-0-5-o2-with-r-k-h2o-h2-0-7-o21-05-k-a-exper-ttn-how-can-i-enter-this-in-cf\/","title":{"rendered":"I have a reaction that with rate that is a function of both products and reactants as follows:  H2O => H2 + 0.5 O2  with r = k [H2O] [H2]^-0.7 [O2]^1.05, k &#8211; A exp(ER\/T)T^n  How can I enter this in CFX?  CFX GUI only supports dependency on reactants."},"content":{"rendered":"<p>The reaction :  H2O => H2 + 0.5 O2  will by default have forward reaction rate:  r = k[H2O]  and backward rate  r = k[H2]^-0.7 [O2]^1.05,   where k = A exp(E\/RT) T^n  The trick here is to set the forward preexponential factor equal to   A *[H2]^-0.7 [O2]^1.05  This can be  done with an expression containing the product molar concentrations as below:  A= 1.38099E+19 [m^1.050 s^-1 mol^-0.350]*1[K^-n]*(H2.Molar Concentration)^-0.7*(O2.Molar Concentration)^1.05  The dependency of the rate on H2O will occur naturally as a result of CFX&#8217;s interpretation of forward rate.<\/p>\n","protected":false},"template":"","class_list":["post-166793","topic","type-topic","status-publish","hentry","topic-tag-19-1","topic-tag-cfx","topic-tag-fluid-dynamics","topic-tag-modeling-setup-advice","topic-tag-reaction","topic-tag-species-reactions"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"The reaction : H2O =&gt; H2 + 0.5 O2 will by default have forward reaction rate: r = k[H2O] and backward rate r = k[H2]^-0.7 [O2]^1.05, where k = A exp(E\/RT) T^n The trick here is to set the forward preexponential factor equal to A *[H2]^-0.7 [O2]^1.05 This can be done with an expression containing\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/i-have-a-reaction-that-with-rate-that-is-a-function-of-both-products-and-reactants-as-follows-h2o-h2-0-5-o2-with-r-k-h2o-h2-0-7-o21-05-k-a-exper-ttn-how-can-i-enter-this-in-cf\/\" \/>\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 Knowledge | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"I have a reaction that with rate that is a function of both products and reactants as follows: H2O =&gt; H2 + 0.5 O2 with r = k [H2O] [H2]^-0.7 [O2]^1.05, k \u2013 A exp(ER\/T)T^n How can I enter this in CFX? CFX GUI only supports dependency on reactants. | Ansys Knowledge\" \/>\n\t\t<meta property=\"og:description\" content=\"The reaction : H2O =&gt; H2 + 0.5 O2 will by default have forward reaction rate: r = k[H2O] and backward rate r = k[H2]^-0.7 [O2]^1.05, where k = A exp(E\/RT) T^n The trick here is to set the forward preexponential factor equal to A *[H2]^-0.7 [O2]^1.05 This can be done with an expression containing\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/i-have-a-reaction-that-with-rate-that-is-a-function-of-both-products-and-reactants-as-follows-h2o-h2-0-5-o2-with-r-k-h2o-h2-0-7-o21-05-k-a-exper-ttn-how-can-i-enter-this-in-cf\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-04-05T14:32:06+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-07-31T12:27:42+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"I have a reaction that with rate that is a function of both products and reactants as follows: H2O =&gt; H2 + 0.5 O2 with r = k [H2O] [H2]^-0.7 [O2]^1.05, k \u2013 A exp(ER\/T)T^n How can I enter this in CFX? CFX GUI only supports dependency on reactants. | Ansys Knowledge\" \/>\n\t\t<meta name=\"twitter:description\" content=\"The reaction : H2O =&gt; H2 + 0.5 O2 will by default have forward reaction rate: r = k[H2O] and backward rate r = k[H2]^-0.7 [O2]^1.05, where k = A exp(E\/RT) T^n The trick here is to set the forward preexponential factor equal to A *[H2]^-0.7 [O2]^1.05 This can be done with an expression containing\" \/>\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\\\/knowledge\\\/forums\\\/topic\\\/i-have-a-reaction-that-with-rate-that-is-a-function-of-both-products-and-reactants-as-follows-h2o-h2-0-5-o2-with-r-k-h2o-h2-0-7-o21-05-k-a-exper-ttn-how-can-i-enter-this-in-cf\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"position\":2,\"name\":\"Topics\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/cfx\\\/#listItem\",\"name\":\"cfx\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/cfx\\\/#listItem\",\"position\":3,\"name\":\"cfx\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/cfx\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/i-have-a-reaction-that-with-rate-that-is-a-function-of-both-products-and-reactants-as-follows-h2o-h2-0-5-o2-with-r-k-h2o-h2-0-7-o21-05-k-a-exper-ttn-how-can-i-enter-this-in-cf\\\/#listItem\",\"name\":\"I have a reaction that with rate that is a function of both products and reactants as follows:  H2O => H2 + 0.5 O2  with r = k [H2O] [H2]^-0.7 [O2]^1.05, k &#8211; A exp(ER\\\/T)T^n  How can I enter this in CFX?  CFX GUI only supports dependency on reactants.\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/i-have-a-reaction-that-with-rate-that-is-a-function-of-both-products-and-reactants-as-follows-h2o-h2-0-5-o2-with-r-k-h2o-h2-0-7-o21-05-k-a-exper-ttn-how-can-i-enter-this-in-cf\\\/#listItem\",\"position\":4,\"name\":\"I have a reaction that with rate that is a function of both products and reactants as follows:  H2O => H2 + 0.5 O2  with r = k [H2O] [H2]^-0.7 [O2]^1.05, k &#8211; A exp(ER\\\/T)T^n  How can I enter this in CFX?  CFX GUI only supports dependency on reactants.\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/cfx\\\/#listItem\",\"name\":\"cfx\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/#organization\",\"name\":\"Ansys Knowledge\",\"description\":\"Ansys Innovation Space\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/i-have-a-reaction-that-with-rate-that-is-a-function-of-both-products-and-reactants-as-follows-h2o-h2-0-5-o2-with-r-k-h2o-h2-0-7-o21-05-k-a-exper-ttn-how-can-i-enter-this-in-cf\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/i-have-a-reaction-that-with-rate-that-is-a-function-of-both-products-and-reactants-as-follows-h2o-h2-0-5-o2-with-r-k-h2o-h2-0-7-o21-05-k-a-exper-ttn-how-can-i-enter-this-in-cf\\\/\",\"name\":\"I have a reaction that with rate that is a function of both products and reactants as follows: H2O => H2 + 0.5 O2 with r = k [H2O] [H2]^-0.7 [O2]^1.05, k \\u2013 A exp(ER\\\/T)T^n How can I enter this in CFX? CFX GUI only supports dependency on reactants. | Ansys Knowledge\",\"description\":\"The reaction : H2O => H2 + 0.5 O2 will by default have forward reaction rate: r = k[H2O] and backward rate r = k[H2]^-0.7 [O2]^1.05, where k = A exp(E\\\/RT) T^n The trick here is to set the forward preexponential factor equal to A *[H2]^-0.7 [O2]^1.05 This can be done with an expression containing\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/i-have-a-reaction-that-with-rate-that-is-a-function-of-both-products-and-reactants-as-follows-h2o-h2-0-5-o2-with-r-k-h2o-h2-0-7-o21-05-k-a-exper-ttn-how-can-i-enter-this-in-cf\\\/#breadcrumblist\"},\"datePublished\":\"2023-04-05T14:32:06+00:00\",\"dateModified\":\"2023-07-31T12:27:42+00:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/#website\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/\",\"name\":\"Ansys Knowledge\",\"description\":\"Ansys Innovation Space\",\"inLanguage\":\"en-US\",\"publisher\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/#organization\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"I have a reaction that with rate that is a function of both products and reactants as follows: H2O => H2 + 0.5 O2 with r = k [H2O] [H2]^-0.7 [O2]^1.05, k \u2013 A exp(ER\/T)T^n How can I enter this in CFX? CFX GUI only supports dependency on reactants. | Ansys Knowledge","description":"The reaction : H2O => H2 + 0.5 O2 will by default have forward reaction rate: r = k[H2O] and backward rate r = k[H2]^-0.7 [O2]^1.05, where k = A exp(E\/RT) T^n The trick here is to set the forward preexponential factor equal to A *[H2]^-0.7 [O2]^1.05 This can be done with an expression containing","canonical_url":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/i-have-a-reaction-that-with-rate-that-is-a-function-of-both-products-and-reactants-as-follows-h2o-h2-0-5-o2-with-r-k-h2o-h2-0-7-o21-05-k-a-exper-ttn-how-can-i-enter-this-in-cf\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/i-have-a-reaction-that-with-rate-that-is-a-function-of-both-products-and-reactants-as-follows-h2o-h2-0-5-o2-with-r-k-h2o-h2-0-7-o21-05-k-a-exper-ttn-how-can-i-enter-this-in-cf\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge#listItem","position":1,"name":"Home","item":"https:\/\/innovationspace.ansys.com\/knowledge","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/topics\/#listItem","name":"Topics"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/topics\/#listItem","position":2,"name":"Topics","item":"https:\/\/innovationspace.ansys.com\/knowledge\/topics\/","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic-tag\/cfx\/#listItem","name":"cfx"},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge#listItem","name":"Home"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic-tag\/cfx\/#listItem","position":3,"name":"cfx","item":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic-tag\/cfx\/","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/i-have-a-reaction-that-with-rate-that-is-a-function-of-both-products-and-reactants-as-follows-h2o-h2-0-5-o2-with-r-k-h2o-h2-0-7-o21-05-k-a-exper-ttn-how-can-i-enter-this-in-cf\/#listItem","name":"I have a reaction that with rate that is a function of both products and reactants as follows:  H2O => H2 + 0.5 O2  with r = k [H2O] [H2]^-0.7 [O2]^1.05, k &#8211; A exp(ER\/T)T^n  How can I enter this in CFX?  CFX GUI only supports dependency on reactants."},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/topics\/#listItem","name":"Topics"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/i-have-a-reaction-that-with-rate-that-is-a-function-of-both-products-and-reactants-as-follows-h2o-h2-0-5-o2-with-r-k-h2o-h2-0-7-o21-05-k-a-exper-ttn-how-can-i-enter-this-in-cf\/#listItem","position":4,"name":"I have a reaction that with rate that is a function of both products and reactants as follows:  H2O => H2 + 0.5 O2  with r = k [H2O] [H2]^-0.7 [O2]^1.05, k &#8211; A exp(ER\/T)T^n  How can I enter this in CFX?  CFX GUI only supports dependency on reactants.","previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic-tag\/cfx\/#listItem","name":"cfx"}}]},{"@type":"Organization","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/#organization","name":"Ansys Knowledge","description":"Ansys Innovation Space","url":"https:\/\/innovationspace.ansys.com\/knowledge\/"},{"@type":"WebPage","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/i-have-a-reaction-that-with-rate-that-is-a-function-of-both-products-and-reactants-as-follows-h2o-h2-0-5-o2-with-r-k-h2o-h2-0-7-o21-05-k-a-exper-ttn-how-can-i-enter-this-in-cf\/#webpage","url":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/i-have-a-reaction-that-with-rate-that-is-a-function-of-both-products-and-reactants-as-follows-h2o-h2-0-5-o2-with-r-k-h2o-h2-0-7-o21-05-k-a-exper-ttn-how-can-i-enter-this-in-cf\/","name":"I have a reaction that with rate that is a function of both products and reactants as follows: H2O => H2 + 0.5 O2 with r = k [H2O] [H2]^-0.7 [O2]^1.05, k \u2013 A exp(ER\/T)T^n How can I enter this in CFX? CFX GUI only supports dependency on reactants. | Ansys Knowledge","description":"The reaction : H2O => H2 + 0.5 O2 will by default have forward reaction rate: r = k[H2O] and backward rate r = k[H2]^-0.7 [O2]^1.05, where k = A exp(E\/RT) T^n The trick here is to set the forward preexponential factor equal to A *[H2]^-0.7 [O2]^1.05 This can be done with an expression containing","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/knowledge\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/i-have-a-reaction-that-with-rate-that-is-a-function-of-both-products-and-reactants-as-follows-h2o-h2-0-5-o2-with-r-k-h2o-h2-0-7-o21-05-k-a-exper-ttn-how-can-i-enter-this-in-cf\/#breadcrumblist"},"datePublished":"2023-04-05T14:32:06+00:00","dateModified":"2023-07-31T12:27:42+00:00"},{"@type":"WebSite","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/#website","url":"https:\/\/innovationspace.ansys.com\/knowledge\/","name":"Ansys Knowledge","description":"Ansys Innovation Space","inLanguage":"en-US","publisher":{"@id":"https:\/\/innovationspace.ansys.com\/knowledge\/#organization"}}]},"og:locale":"en_US","og:site_name":"Ansys Knowledge | Ansys Innovation Space","og:type":"article","og:title":"I have a reaction that with rate that is a function of both products and reactants as follows: H2O =&gt; H2 + 0.5 O2 with r = k [H2O] [H2]^-0.7 [O2]^1.05, k \u2013 A exp(ER\/T)T^n How can I enter this in CFX? CFX GUI only supports dependency on reactants. | Ansys Knowledge","og:description":"The reaction : H2O =&gt; H2 + 0.5 O2 will by default have forward reaction rate: r = k[H2O] and backward rate r = k[H2]^-0.7 [O2]^1.05, where k = A exp(E\/RT) T^n The trick here is to set the forward preexponential factor equal to A *[H2]^-0.7 [O2]^1.05 This can be done with an expression containing","og:url":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/i-have-a-reaction-that-with-rate-that-is-a-function-of-both-products-and-reactants-as-follows-h2o-h2-0-5-o2-with-r-k-h2o-h2-0-7-o21-05-k-a-exper-ttn-how-can-i-enter-this-in-cf\/","article:published_time":"2023-04-05T14:32:06+00:00","article:modified_time":"2023-07-31T12:27:42+00:00","twitter:card":"summary_large_image","twitter:title":"I have a reaction that with rate that is a function of both products and reactants as follows: H2O =&gt; H2 + 0.5 O2 with r = k [H2O] [H2]^-0.7 [O2]^1.05, k \u2013 A exp(ER\/T)T^n How can I enter this in CFX? CFX GUI only supports dependency on reactants. | Ansys Knowledge","twitter:description":"The reaction : H2O =&gt; H2 + 0.5 O2 will by default have forward reaction rate: r = k[H2O] and backward rate r = k[H2]^-0.7 [O2]^1.05, where k = A exp(E\/RT) T^n The trick here is to set the forward preexponential factor equal to A *[H2]^-0.7 [O2]^1.05 This can be done with an expression containing"},"aioseo_meta_data":{"post_id":"166793","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"limit_modified_date":false,"created":"2025-10-17 23:16:53","updated":"2026-07-29 19:41:07","ai":null,"breadcrumb_settings":null,"seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/knowledge\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/knowledge\/topics\/\" title=\"Topics\">Topics<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic-tag\/cfx\/\" title=\"cfx\">cfx<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tI have a reaction that with rate that is a function of both products and reactants as follows:  H2O =&gt; H2 + 0.5 O2  with r = k [H2O] [H2]^-0.7 [O2]^1.05, k \u2013 A exp(ER\/T)T^n  How can I enter this in CFX?  CFX GUI only supports dependency on reactants.\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/innovationspace.ansys.com\/knowledge"},{"label":"Topics","link":"https:\/\/innovationspace.ansys.com\/knowledge\/topics\/"},{"label":"cfx","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic-tag\/cfx\/"},{"label":"I have a reaction that with rate that is a function of both products and reactants as follows:  H2O => H2 + 0.5 O2  with r = k [H2O] [H2]^-0.7 [O2]^1.05, k &#8211; A exp(ER\/T)T^n  How can I enter this in CFX?  CFX GUI only supports dependency on reactants.","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/i-have-a-reaction-that-with-rate-that-is-a-function-of-both-products-and-reactants-as-follows-h2o-h2-0-5-o2-with-r-k-h2o-h2-0-7-o21-05-k-a-exper-ttn-how-can-i-enter-this-in-cf\/"}],"acf":[],"custom_fields":[{"0":{"_wp_page_template":["default"],"_bbp_last_active_time":["5\/4\/2023 20:20"],"_bbp_forum_id":["27784"],"_bbp_author_ip":["209.182.204.162"],"_btv_view_count":["408"],"siebel_km_number":["2054771"],"product_version":["19.1"],"km_published_date":["2018-06-05T00:00:00.000Z"],"family":["Fluid Dynamics"],"application_name":["CFX"]},"test":"articlesansys-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/166793","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/166793\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/media?parent=166793"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}