{"id":379785,"date":"2024-08-22T09:53:45","date_gmt":"2024-08-22T09:53:45","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/circulation-of-hot-dry-air-through-colder-soil\/"},"modified":"2024-08-22T09:53:45","modified_gmt":"2024-08-22T09:53:45","slug":"circulation-of-hot-dry-air-through-colder-soil","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/circulation-of-hot-dry-air-through-colder-soil\/","title":{"rendered":"circulation of hot dry air through colder soil"},"content":{"rendered":"<p>We modeled the circulation of hot hot dry air through a pipe which is embeded under colder soil. air was circulated using an &#8220;internal fan&#8221; boundary condition for three different pressure jumps.&nbsp;<\/p>\n<p>The plots of average temperatures shows that for higher fan pressure jumps, (initially) the air temperature drops faster but later reaches the same value as other pressure jumps. The avg temp of soil initially grows faster for higher pressure jumps, but later reaches the same value. what is the reason for this? Is this because higher pressure jump (higher fan velocity) [initially] speeds up the heat transfer by better circulation? Any other reason?<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/08\/22-08-2024-1724320385-Geom-1.png\" alt=\"\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/08\/22-08-2024-1724320282-AVG TEMP Solid DRY AIR.jpg\" alt=\"\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/08\/22-08-2024-1724320258-AVG TEMP CHAMBER DRY AIR.png.jpg\" alt=\"\"><\/p>\n","protected":false},"template":"","class_list":["post-379785","topic","type-topic","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=\"We modeled the circulation of hot hot dry air through a pipe which is embeded under colder soil. air was circulated using an &quot;internal fan&quot; boundary condition for three different pressure jumps. The plots of average temperatures shows that for higher fan pressure jumps, (initially) the air temperature drops faster but later reaches the same value\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/circulation-of-hot-dry-air-through-colder-soil\/\" \/>\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=\"circulation of hot dry air through colder soil | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"We modeled the circulation of hot hot dry air through a pipe which is embeded under colder soil. air was circulated using an &quot;internal fan&quot; boundary condition for three different pressure jumps. 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