{"id":368212,"date":"2024-05-23T07:40:16","date_gmt":"2024-05-23T07:40:16","guid":{"rendered":"\/forum\/forums\/reply\/368212\/"},"modified":"2024-05-23T07:40:16","modified_gmt":"2024-05-23T07:40:16","slug":"368212","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/368212\/","title":{"rendered":"Reply To: I have a possible bug to report with ANSYS Fluent relating to Nusselt Number"},"content":{"rendered":"<p>&lt;p&gt;Typically, in academic studies, values between 10^-6 and 10^-12 are used. Therefore, I chose 10^-7 for everything except energy, which I set to 10^-12. This is because heat flux can vary significantly. I adjusted my mesh size to 0.125 mm. When writing the expression, we use &#8216;maxVal&#8217; for heat flux because this is a two-dimensional geometry, and &#8216;wall heat flux&#8217; only passes through the wall. If we were to take the average of the line, it would include the midpoint of the line, which means adding many zeros to the arithmetic average. When looking at it pointwise, it gives us the same value as &#8216;maxVal&#8217;. i did the same thing as the rng and standart method I would understand there. would be a difference but it was more than normal.The geometry channel is 20 mm wide and 1100 mm long. The first 600 mm shows the hydrodynamic entry length, and the next 500 mm shows the stable state. The part labeled 50-100 in the tables I previously sent to you indicates the location. And inlet temp 300 K, wall temp 310 K.&lt;\/p&gt;&lt;p&gt;<img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/05\/23-05-2024-1716449965-1d-min.png\" alt=\"\" width=\"1785\" height=\"787\" \/>&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-368212","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=\"Typically, in academic studies, values between 10^-6 and 10^-12 are used. Therefore, I chose 10^-7 for everything except energy, which I set to 10^-12. This is because heat flux can vary significantly. I adjusted my mesh size to 0.125 mm. When writing the expression, we use &#039;maxVal&#039; for heat flux because this is a two-dimensional\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/368212\/\" \/>\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: I have a possible bug to report with ANSYS Fluent relating to Nusselt Number | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Typically, in academic studies, values between 10^-6 and 10^-12 are used. Therefore, I chose 10^-7 for everything except energy, which I set to 10^-12. This is because heat flux can vary significantly. I adjusted my mesh size to 0.125 mm. When writing the expression, we use &#039;maxVal&#039; for heat flux because this is a two-dimensional\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/368212\/\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/sites\/2\/2024\/05\/23-05-2024-1716449965-1d-min.png\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/sites\/2\/2024\/05\/23-05-2024-1716449965-1d-min.png\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-05-23T07:40:16+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-05-23T07:40:16+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: I have a possible bug to report with ANSYS Fluent relating to Nusselt Number | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Typically, in academic studies, values between 10^-6 and 10^-12 are used. Therefore, I chose 10^-7 for everything except energy, which I set to 10^-12. This is because heat flux can vary significantly. I adjusted my mesh size to 0.125 mm. 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