


{"id":394541,"date":"2024-11-20T14:34:59","date_gmt":"2024-11-20T14:34:59","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/394541\/"},"modified":"2024-11-20T14:34:59","modified_gmt":"2024-11-20T14:34:59","slug":"394541","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/394541\/","title":{"rendered":"Reply To: mesh independence study for non-premixed oxy-coal combustion"},"content":{"rendered":"<p>&lt;p&gt;Particle average size is 65 micron. they are smaller than cell size.&lt;\/p&gt;&lt;p&gt;I think you are right that coarse mesh is not being sufficient to resolve the flame region of the non-premixed flame at the flame front.&lt;\/p&gt;&lt;p&gt;the coarse mesh can capture the location of flame front, the features of turbulent flow. so now it is a cost-benefit analysis. as you can see from the table, upstream (x=0.1) temperature is similar but downstream (outlet) shows differences. I assume the downstream part does not converge well for the fine mesh.&lt;\/p&gt;&lt;p&gt;What&#8217;s your suggestion to deal with this situation?&lt;\/p&gt;&lt;p&gt;Thank you for your reply, Rob. I appreciate it.&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/20-11-2024-1732113162-mceclip1.png\" \/>&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-394541","reply","type-reply","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=\"Particle average size is 65 micron. they are smaller than cell size.I think you are right that coarse mesh is not being sufficient to resolve the flame region of the non-premixed flame at the flame front.the coarse mesh can capture the location of flame front, the features of turbulent flow. so now it is a\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/394541\/\" \/>\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=\"Reply To: mesh independence study for non-premixed oxy-coal combustion | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Particle average size is 65 micron. they are smaller than cell size.I think you are right that coarse mesh is not being sufficient to resolve the flame region of the non-premixed flame at the flame front.the coarse mesh can capture the location of flame front, the features of turbulent flow. so now it is a\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/394541\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-11-20T14:34:59+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-11-20T14:34:59+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: mesh independence study for non-premixed oxy-coal combustion | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Particle average size is 65 micron. they are smaller than cell size.I think you are right that coarse mesh is not being sufficient to resolve the flame region of the non-premixed flame at the flame front.the coarse mesh can capture the location of flame front, the features of turbulent flow. so now it is a\" \/>\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\\\/reply\\\/394541\\\/#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\\\/forums\\\/reply\\\/394541\\\/#listItem\",\"name\":\"Reply To: mesh independence study for non-premixed oxy-coal combustion\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/394541\\\/#listItem\",\"position\":2,\"name\":\"Reply To: mesh independence study for non-premixed oxy-coal combustion\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}}]},{\"@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\\\/reply\\\/394541\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/394541\\\/\",\"name\":\"Reply To: mesh independence study for non-premixed oxy-coal combustion | Ansys Learning Forum\",\"description\":\"Particle average size is 65 micron. they are smaller than cell size.I think you are right that coarse mesh is not being sufficient to resolve the flame region of the non-premixed flame at the flame front.the coarse mesh can capture the location of flame front, the features of turbulent flow. so now it is a\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/394541\\\/#breadcrumblist\"},\"datePublished\":\"2024-11-20T14:34:59+00:00\",\"dateModified\":\"2024-11-20T14:34:59+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\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"Reply To: mesh independence study for non-premixed oxy-coal combustion | Ansys Learning Forum","description":"Particle average size is 65 micron. they are smaller than cell size.I think you are right that coarse mesh is not being sufficient to resolve the flame region of the non-premixed flame at the flame front.the coarse mesh can capture the location of flame front, the features of turbulent flow. so now it is a","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/394541\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/394541\/#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\/forums\/reply\/394541\/#listItem","name":"Reply To: mesh independence study for non-premixed oxy-coal combustion"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/394541\/#listItem","position":2,"name":"Reply To: mesh independence study for non-premixed oxy-coal combustion","previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","name":"Home"}}]},{"@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\/reply\/394541\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/394541\/","name":"Reply To: mesh independence study for non-premixed oxy-coal combustion | Ansys Learning Forum","description":"Particle average size is 65 micron. they are smaller than cell size.I think you are right that coarse mesh is not being sufficient to resolve the flame region of the non-premixed flame at the flame front.the coarse mesh can capture the location of flame front, the features of turbulent flow. so now it is a","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/394541\/#breadcrumblist"},"datePublished":"2024-11-20T14:34:59+00:00","dateModified":"2024-11-20T14:34:59+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":"Reply To: mesh independence study for non-premixed oxy-coal combustion | Ansys Learning Forum","og:description":"Particle average size is 65 micron. they are smaller than cell size.I think you are right that coarse mesh is not being sufficient to resolve the flame region of the non-premixed flame at the flame front.the coarse mesh can capture the location of flame front, the features of turbulent flow. so now it is a","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/394541\/","article:published_time":"2024-11-20T14:34:59+00:00","article:modified_time":"2024-11-20T14:34:59+00:00","twitter:card":"summary_large_image","twitter:title":"Reply To: mesh independence study for non-premixed oxy-coal combustion | Ansys Learning Forum","twitter:description":"Particle average size is 65 micron. they are smaller than cell size.I think you are right that coarse mesh is not being sufficient to resolve the flame region of the non-premixed flame at the flame front.the coarse mesh can capture the location of flame front, the features of turbulent flow. so now it is a"},"aioseo_meta_data":{"post_id":"394541","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 17:58:24","updated":"2026-08-19 20:36:27","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\tReply To: mesh independence study for non-premixed oxy-coal combustion\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/innovationspace.ansys.com\/forum"},{"label":"Reply To: mesh independence study for non-premixed oxy-coal combustion","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/394541\/"}],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/394541","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/reply"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/394541\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=394541"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}