{"id":11132,"date":"2026-04-29T10:25:55","date_gmt":"2026-04-29T07:25:55","guid":{"rendered":"https:\/\/en.coeng.uobaghdad.edu.iq\/?p=11132"},"modified":"2026-04-29T10:25:55","modified_gmt":"2026-04-29T07:25:55","slug":"college-of-engineering-at-the-university-of-baghdad-discusses-a-masters-thesis-in-the-department-of-mechanical-engineering","status":"publish","type":"post","link":"https:\/\/en.coeng.uobaghdad.edu.iq\/?p=11132","title":{"rendered":"College of Engineering at the University of Baghdad Discusses a Master\u2019s Thesis in the Department of Mechanical Engineering"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column][vc_column_text css=&#8221;&#8221;]<\/p>\n<p>The College of Engineering at the University of Baghdad witnessed the discussion of the Master\u2019s thesis of the student <strong>Shahad Mahdi Saleh<\/strong> from the Department of Mechanical Engineering, entitled:<br \/>\n<strong>\u201cInvestigation of Convection Heat Transfer in an Annular Enclosure Partially Filled with Porous Media.\u201d<\/strong><\/p>\n<p>The discussion committee consisted of:<\/p>\n<ul>\n<li><strong>Prof. Dr. Issam Mohammed Ali<\/strong> \u2014 Chairman<\/li>\n<li><strong>Prof. Dr. Mohammed Abdul Raouf Nima Mohammed<\/strong> \u2014 Member<\/li>\n<li><strong>Asst. Prof. Dr. Rasheed Nima Abed<\/strong> \u2014 Member<\/li>\n<li><strong>Asst. Prof. Dr. Luma Fadhil Ali<\/strong> \u2014 Member and Supervisor<\/li>\n<\/ul>\n<p>The thesis investigated natural convection heat transfer within a three-dimensional annular enclosure partially filled with metallic foam. The study focused on the effects of foam distribution, inclination angle, and heat flux on enhancing thermal performance compared to a clear annulus. A combined methodology was adopted, including numerical analysis using <strong>ANSYS Fluent<\/strong> and experimental validation.<\/p>\n<p>The results showed that the use of metallic foam significantly enhanced heat transfer performance. The uniform foam distribution achieved the highest improvement in the Nusselt number, ranging between <strong>25% and 55%<\/strong>, while other configurations provided localized enhancements of <strong>20% to 35%<\/strong>. Increasing the heat flux and inclination angle further strengthened natural convection and increased flow velocity inside the enclosure. Experimental results confirmed these findings, with Nusselt number improvements reaching up to <strong>80%<\/strong> under maximum operating conditions. A strong agreement between numerical and experimental results was observed, with a deviation not exceeding <strong>8%<\/strong>.<\/p>\n<p><strong>Recommendations:<\/strong><\/p>\n<ol>\n<li>Utilize metallic foam as an effective porous medium to enhance heat transfer in thermal applications.<\/li>\n<li>Prefer uniform foam distribution within annular enclosures to achieve optimal thermal performance.<\/li>\n<li>Investigate higher inclination angles and a wider range of heat flux values for improved system efficiency.<\/li>\n<li>Combine numerical simulations (CFD) with experimental work to ensure result accuracy.<\/li>\n<li>Apply the study outcomes in the design of heat exchangers and industrial systems relying on natural convection.<\/li>\n<\/ol>\n<p>Following the scientific discussion, the student was awarded the grade of <strong>Very Good<\/strong>.[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_column_text css=&#8221;&#8221;] The College of Engineering at the University of Baghdad witnessed the discussion of the Master\u2019s thesis of the &#8230; <a class=\"cz_readmore\" href=\"https:\/\/en.coeng.uobaghdad.edu.iq\/?p=11132\"><i class=\"fa fa-angle-left\" aria-hidden=\"true\"><\/i><span>\u0627\u0644\u0645\u0632\u064a\u062f<\/span><\/a><\/p>\n","protected":false},"author":165,"featured_media":11135,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[36,31],"tags":[],"class_list":["post-11132","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mechanical-engineering","category-thesis"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.8 - 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