Performance and optimum design analysis of convective fin arrays attached to flat and curved primary surfaces |
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| Authors: | B. Kundu P.K. Das |
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| Affiliation: | 1. Department of Mechanical Engineering, Jadavpur University, Raja SC Mallick Road, Jadavpur, Kolkata 700 032, India;2. Department of Mechanical Engineering, Indian Institute of Technology Kharagpur, Kharagpur 721 302, India;1. Department of Mechanical Engineering, University of Michigan, Dearborn, MI 48128, USA;2. School of Mechanical Engineering, Xi AnJiaotong University, Xi An, China;1. Université de Lille Nord de France, Lille, France;2. Service d''orthopédie C, Hôpital Roger Salengro, Place de Verdun, Centre Hospitalier Régional Universitaire de Lille (CHRU de Lille), Lille Cedex, France;3. Service d''orthopédie pédiatrique, Hôpital Jeanne de Flandre, CHRU de Lille, Lille, France;4. Département de médecine du sport, Faculté de médecine de Lille, Université de Lille 2, Lille, France;1. Institut Jean Lamour, UMR CNRS 7198, Université de Lorraine, 54506 Vandoeuvre-les-Nancy, France;2. Institut des Nanotechnologies de Lyon UMR CNRS 5270, Université Lyon 1, 69 622 Villeurbanne, France;1. Department of Mechanical and Electro-Mechanical Engineering, National Sun Yat-Sen University, Kaohsiung 804, Taiwan, ROC;2. Green Energy and Environment Research Laboratories, Industrial Technology Research Institute, Hsinchu 310, Taiwan, ROC;1. School of Accounting and Finance, Jiangxi University of Engineering, Xinyu 338000, China;2. Department of Mechanical Engineering, Shahrekord University, Shahrekord, Iran;3. Department of Mechanical Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran;4. Institute of Research and Development, Duy Tan University, Da Nang 550000, Vietnam;5. Faculty of Electrical – Electronic Engineering, Duy Tan University, Da Nang 550000, Vietnam;6. Laboratory of Magnetism and Magnetic Materials, Advanced Institute of Materials Science, Ton Duc Thang University, Ho Chi Minh City, Vietnam;7. Faculty of Applied Sciences, Ton Duc Thang University, Ho Chi Minh City, Vietnam;1. Department of Mechanical Engineering, University of Lagos, Akoka, Lagos, Nigeria;2. Department of System Engineering, University of Lagos, Akoka, Lagos, Nigeria |
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| Abstract: | A model has been developed analytically to carry out the performance and optimum design analysis of four fin arrays, namely, longitudinal rectangular fin array (LRFA), annular rectangular fin array (ARFA), longitudinal trapezoidal fin array (LTRA) and annular trapezoidal fin array (ATFA) under convective cooling conditions. The performance parameters such as fin efficiency, fin effectiveness and augmentation factor are evaluated for a wide range of design variables. It has been observed that the conduction through the supporting structure and the convection from the interfin spacing have a pronounced effect on the performance of a fin array. The optimum fin dimensions in a fin assembly have been determined by consideration of the constant total height of the fin assembly and interfin spacing. From the results, it can be highlighted that the optimum fin dimensions in fin arrays differ from that of the individual fins. |
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