


{"id":167131,"date":"2022-03-09T06:20:04","date_gmt":"2022-03-09T06:20:04","guid":{"rendered":"\/forum\/forums\/topic\/how-to-correctly-define-inlet-and-outlet-boundary-conditions-for-a-gas-turbine-blade\/"},"modified":"2022-03-11T16:47:05","modified_gmt":"2022-03-11T16:47:05","slug":"how-to-correctly-define-inlet-and-outlet-boundary-conditions-for-a-gas-turbine-blade","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-correctly-define-inlet-and-outlet-boundary-conditions-for-a-gas-turbine-blade\/","title":{"rendered":"How to correctly define inlet and outlet boundary conditions for a gas turbine blade"},"content":{"rendered":"<div class=\"Item-Body\">\n<div class=\"Message userContent\">\n<p>Hi all,<\/p>\n<p>I am running a CFX of a first stage gas turbine blade. My set up can be seen in the attached image. I currently only know the inlet gas conditions which are a pressure of 1.5 MPa and a temperature of 750 degrees C. How would i go about defining the outlet gas boundary condition given that i only have inlet conditions ? I&#039;ve seen tutorial videos where the outlet relative pressure is defined as 0, however this doesn&#039;t seem correct in the context of mutli-stage turbines. <\/p>\n<p>I dont have a large amount of knowledge when it comes to the behaviour of gas pressure as it flows through the turbine stages, so any help, advice or guidance would be greatly appreciated, thanks !<\/p>\n<div class=\"embedExternal embedImage\">\n<div class=\"embedExternal-content\">\n<a class=\"embedImage-link\" href=\"\/forum\/wp-content\/uploads\/forum-uploads\/953\/SZAB1TOB4R96.png\" rel=\"nofollow noopener\" target=\"_blank\"><br \/>\n<img decoding=\"async\" class=\"embedImage-img\" src=\"\/forum\/wp-content\/uploads\/forum-uploads\/953\/SZAB1TOB4R96.png\" alt=\"boundary condition help.PNG\" \/><br \/>\n<\/a><\/p>\n","protected":false},"template":"","class_list":["post-167131","topic","type-topic","status-closed","hentry","topic-tag-boundary-conditions","topic-tag-cfx","topic-tag-outlet-boundary-condition"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hi all,I am running a CFX of a first stage gas turbine blade. My set up can be seen in the attached image. I currently only know the inlet gas conditions which are a pressure of 1.5 MPa and a temperature of 750 degrees C. 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I currently only know the inlet gas conditions which are a pressure of 1.5 MPa and a temperature of 750 degrees C. How would i go about defining the outlet gas boundary\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-correctly-define-inlet-and-outlet-boundary-conditions-for-a-gas-turbine-blade\/\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/forum-uploads\/953\/SZAB1TOB4R96.png\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/forum-uploads\/953\/SZAB1TOB4R96.png\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2022-03-09T06:20:04+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2022-03-11T16:47:05+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"How to correctly define inlet and outlet boundary conditions for a gas turbine blade | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Hi all,I am running a CFX of a first stage gas turbine blade. My set up can be seen in the attached image. I currently only know the inlet gas conditions which are a pressure of 1.5 MPa and a temperature of 750 degrees C. How would i go about defining the outlet gas boundary\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/forum-uploads\/953\/SZAB1TOB4R96.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\\\/how-to-correctly-define-inlet-and-outlet-boundary-conditions-for-a-gas-turbine-blade\\\/#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\\\/cfx\\\/#listItem\",\"name\":\"cfx\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/cfx\\\/#listItem\",\"position\":3,\"name\":\"cfx\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/cfx\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/how-to-correctly-define-inlet-and-outlet-boundary-conditions-for-a-gas-turbine-blade\\\/#listItem\",\"name\":\"How to correctly define inlet and outlet boundary conditions for a gas turbine blade\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/how-to-correctly-define-inlet-and-outlet-boundary-conditions-for-a-gas-turbine-blade\\\/#listItem\",\"position\":4,\"name\":\"How to correctly define inlet and outlet boundary conditions for a gas turbine blade\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/cfx\\\/#listItem\",\"name\":\"cfx\"}}]},{\"@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\\\/how-to-correctly-define-inlet-and-outlet-boundary-conditions-for-a-gas-turbine-blade\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/how-to-correctly-define-inlet-and-outlet-boundary-conditions-for-a-gas-turbine-blade\\\/\",\"name\":\"How to correctly define inlet and outlet boundary conditions for a gas turbine blade | Ansys Learning Forum\",\"description\":\"Hi all,I am running a CFX of a first stage gas turbine blade. My set up can be seen in the attached image. I currently only know the inlet gas conditions which are a pressure of 1.5 MPa and a temperature of 750 degrees C. 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My set up can be seen in the attached image. I currently only know the inlet gas conditions which are a pressure of 1.5 MPa and a temperature of 750 degrees C. How would i go about defining the outlet gas boundary","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-correctly-define-inlet-and-outlet-boundary-conditions-for-a-gas-turbine-blade\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-correctly-define-inlet-and-outlet-boundary-conditions-for-a-gas-turbine-blade\/#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\/cfx\/#listItem","name":"cfx"},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","name":"Home"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/cfx\/#listItem","position":3,"name":"cfx","item":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/cfx\/","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-correctly-define-inlet-and-outlet-boundary-conditions-for-a-gas-turbine-blade\/#listItem","name":"How to correctly define inlet and outlet boundary conditions for a gas turbine blade"},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/topics\/#listItem","name":"Topics"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-correctly-define-inlet-and-outlet-boundary-conditions-for-a-gas-turbine-blade\/#listItem","position":4,"name":"How to correctly define inlet and outlet boundary conditions for a gas turbine blade","previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/cfx\/#listItem","name":"cfx"}}]},{"@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\/how-to-correctly-define-inlet-and-outlet-boundary-conditions-for-a-gas-turbine-blade\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-correctly-define-inlet-and-outlet-boundary-conditions-for-a-gas-turbine-blade\/","name":"How to correctly define inlet and outlet boundary conditions for a gas turbine blade | Ansys Learning Forum","description":"Hi all,I am running a CFX of a first stage gas turbine blade. My set up can be seen in the attached image. I currently only know the inlet gas conditions which are a pressure of 1.5 MPa and a temperature of 750 degrees C. How would i go about defining the outlet gas boundary","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-correctly-define-inlet-and-outlet-boundary-conditions-for-a-gas-turbine-blade\/#breadcrumblist"},"datePublished":"2022-03-09T06:20:04+00:00","dateModified":"2022-03-11T16:47:05+00:00"},{"@type":"WebSite","@id":"https:\/\/innovationspace.ansys.com\/forum\/#website","url":"https:\/\/innovationspace.ansys.com\/forum\/","name":"Ansys Learning Forum","description":"Ansys Innovation Space","inLanguage":"en-US","publisher":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#organization"}}]},"og:locale":"en_US","og:site_name":"Ansys Learning Forum | Ansys Innovation Space","og:type":"article","og:title":"How to correctly define inlet and outlet boundary conditions for a gas turbine blade | Ansys Learning Forum","og:description":"Hi all,I am running a CFX of a first stage gas turbine blade. My set up can be seen in the attached image. I currently only know the inlet gas conditions which are a pressure of 1.5 MPa and a temperature of 750 degrees C. How would i go about defining the outlet gas boundary","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-correctly-define-inlet-and-outlet-boundary-conditions-for-a-gas-turbine-blade\/","og:image":"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/forum-uploads\/953\/SZAB1TOB4R96.png","og:image:secure_url":"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/forum-uploads\/953\/SZAB1TOB4R96.png","article:published_time":"2022-03-09T06:20:04+00:00","article:modified_time":"2022-03-11T16:47:05+00:00","twitter:card":"summary_large_image","twitter:title":"How to correctly define inlet and outlet boundary conditions for a gas turbine blade | Ansys Learning Forum","twitter:description":"Hi all,I am running a CFX of a first stage gas turbine blade. My set up can be seen in the attached image. I currently only know the inlet gas conditions which are a pressure of 1.5 MPa and a temperature of 750 degrees C. How would i go about defining the outlet gas boundary","twitter:image":"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/forum-uploads\/953\/SZAB1TOB4R96.png"},"aioseo_meta_data":{"post_id":"167131","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":"content","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":true,"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":"2024-10-28 20:19:44","updated":"2024-10-28 20:19:44","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\/forum\" 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\/forum\/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\/forum\/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\tHow to correctly define inlet and outlet boundary conditions for a gas turbine blade\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/innovationspace.ansys.com\/forum"},{"label":"Topics","link":"https:\/\/innovationspace.ansys.com\/forum\/topics\/"},{"label":"cfx","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/cfx\/"},{"label":"How to correctly define inlet and outlet boundary conditions for a gas turbine blade","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-correctly-define-inlet-and-outlet-boundary-conditions-for-a-gas-turbine-blade\/"}],"acf":[],"custom_fields":[{"0":{"_btv_view_count":["1002"],"_bbp_likes_count":["0"],"_bbp_subscription":["250484"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["167131"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","250484"],"_bbp_voice_count":["2"],"_bbp_reply_count":["3"],"_bbp_last_reply_id":["207808"],"_bbp_last_active_id":["207808"],"_bbp_last_active_time":["2022-03-11 16:47:05"]},"test":"joshua-pretorius123gmail-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/167131","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/167131\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=167131"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}