Numerical solutions and experimental results for three dimensional buoyancy driven flows in tilted cylinders |
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| Institution: | 1. Institut de Mécanique des Fluides, Rue Honnorat, 13003 Marseille, France;2. University of Utah, Salt Lake City, UT 84112, U.S.A.;3. University of New South Wales, Kensington 2033, Australia;1. Department of Mechanical Engineering, National Central University, Jhongli 320, Taiwan, ROC;2. Sino-American Silicon Products Inc., Taiwan, ROC;3. Faculty of Engineering and Technology, Nong Lam University, Ho Chi Minh City, Vietnam;1. School of Mechanical Engineering, Pusan National University, Jang Jeon 2-Dong, Geum Jeong Gu, Busan 609-735, Republic of Korea;2. Rolls-Royce and Pusan National University Technology Centre in Thermal Management, Jang Jeon 2-Dong, Geum Jeong Gu, Busan 609-735, Republic of Korea;3. Global Core Research Center for Ships and Offshore Plants, Pusan National University, Jang Jeon 2-Dong, Geum Jeong Gu, Busan 609-735, Republic of Korea;1. Department of Vehicle Engineering, National Taipei University of Technology, No. 1, Sec. 3, Zhongxiao E. Rd., Taipei City, 10608, Taiwan;2. Department of Aircraft Maintenance, Far East University, No.49, Zhonghua Rd., Xinshi Dist., Tainan City, 74448, Taiwan;1. School of Transportation Engineering, Hanoi University of Science and Technology, Hanoi, Vietnam;2. Center for Automotive Technology, Hanoi University of Industry, Hanoi, Vietnam;1. Cesky Metrologicky Institut (CMI), Brno, Czech Republic;2. Istituto Nazionale di Ricerca Metrologica (INRIM), Turin, Italy;3. Laboratoire National de mètrologie et d’Essais (LNE), Paris, France;4. Technische Hochschule Mittelhessen (THM), Giessen, Germany;5. Physikalisch Technische Bundesanstalt (PTB), Berlin, Germany |
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| Abstract: | Finite difference solutions and experiments are presented for free convection in differentially heated cylinders when the inclination varies with respect to the gravity vector. The results are compared with asymptotic solutions in horizontal cylinders for the core- and boundary layer-driven regimes. Over a range of 60° from the horizontal, a good agreement is obtained between the numerical and experimental results for large aspect ratio (A=10) and Rayleigh number (Ra≈20,000). |
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