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Journal of Applied Fluid Mechanics، جلد ۱۷، شماره ۱۰، صفحات ۲۱۱۵-۲۱۲۷
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عنوان انگلیسی Numerical Assessment of Vortex Generators for Enhancing Thermal Performance in Corrugated Tubes
چکیده انگلیسی مقاله The effectiveness of triangular baffles in enhancing heat transfer within corrugated tubes is examined numerically in this study. Two key parameters influencing performance are examined: baffle placement (staggered and aligned) and their angles of attack (0°, 15°, 30°, and 45°). Heat transfer, friction, as well as performance metrics are comprehensively examined and compared for both configurations. The finite element method (FEM) implemented in CFD software COMSOL Multiphysics 6.1 is employed for simulations across a range of Reynolds numbers (100-400). Results reveal significant heat transfer improvements due to the proposed baffle configurations. Notably, aligned baffles with a 30° angle of attack achieve a 43.6% increase the heat transfer when compared to the baffle-free scenario. Staggered baffles with a 15° angle of attack demonstrate a superior 55.3% improvement compared to the baseline. A comprehensive evaluation of performance criteria identifies staggered baffles with a 30° angle of attack as the optimal configuration for maximizing heat transfer within corrugated tubes. 
کلیدواژه‌های انگلیسی مقاله Heat exchanger,Staggered and aligned baffles,Corrugated tube,Vortex generator,Finite element method
نویسندگان مقاله E. Bennour |
Laboratory of Development in Mechanics and Materials (LDMM), University of Djelfa, 17000, Algeria

C. Kezrane |
Laboratory of Development in Mechanics and Materials (LDMM), University of Djelfa, 17000, Algeria

N. Kaid |
Energy and Environment Laboratory, Department of Mechanical Engineering, Institute of Technology, University Center Salhi Ahmed Naama (Ctr. Univ. Naama), P.O. Box 66, Naama 45000, Algeria

M. A. Alkhafaji |
College of Technical Engineering, National University of Science and Technology, Dhi Qar, 64001, Iraq

M. S. Alhassan |
Division of Advanced Nano Material Technologies, Scientific Research Center, Al-Ayen University, Thi-Qar, Iraq

Y. Menni |
Energy and Environment Laboratory, Department of Mechanical Engineering, Institute of Technology, University Center Salhi Ahmed Naama (Ctr. Univ. Naama), P.O. Box 66, Naama 45000, Algeria

نشانی اینترنتی https://www.jafmonline.net/article_2483_db16f6c408e3b8acce2abde72bdff476.pdf
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