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Natural Convection in a Three Dimensional Inclined Enclosure  

Bae Dae Seok (부경대학교 기계공학부)
Kwon Oh Boong (부경대학교 기계공학부)
Kim Hyun Ho (부경대학교 대학원 기계공학부)
Publication Information
Journal of Advanced Marine Engineering and Technology / v.29, no.2, 2005 , pp. 168-176 More about this Journal
Abstract
In an inclined enclosure with the upper part cooled and the lower part heated, quantitative data of the temperature and velocity are obtained simultaneously using thermo-sensitive liquid crystals. Experimental results are Presented for Pr=909. aspect ratios of 1/14. 2/14 and 3/14, angle of inclination, 0$\leq$$\theta$$\leq$45 to the horizontal line. The numerical results are obtained in the same conditions as experiments by the finite volume method and its results are compared with experimental results. It is found that the number of cell is decreased with increasing the angle of inclination. and a unicell is formed at nearby 6=30$^{circ}$ which is not affected by the aspect ratio.
Keywords
자연대류;감온액정;경사각;
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1 K. P. Ajay and R. K. Jeffrey, 'Combined forced and natural convection heat transfer in a deep lid-driven cavity flow', Int. J. Heat and Fluid Flow, Vol.17. No.5, pp.460-467, 1996   DOI   ScienceOn
2 Y. P. Chang and R. Tsai, 'Natural Convection in a Square Enclosure with a Cold Source', Heat and Mass Transfer, Vol.24, No.7, pp.1019-1027, 1997   DOI   ScienceOn
3 Jong-Hwan Yoon, Deog-Hee Doh and Sang-Joon Lee, 'Temperature Field Measurement of Convective Flow in a Hele-Shaw Cell with TLC and Color Image Processing', Trans. of the KSME B, Vol. 20, No. 3, pp.1114-1122, 1996
4 Y. C. Michael and K. T. Yang, 'Three- Dimensional Mach-Zehrder Interfermetric Tomo- graphy of the Rayleigh-Bernard Problem'. Transactions of the ASME, Vol.114, pp.622-629, 1992   DOI
5 K. R. Kirchartz and H. Oertel, 'Three- dimensional thermal cellular convection in rectangular boxesr'. J. Fluid Mech, Vol .192, pp. 249-286, 1988   DOI
6 홍철현, 양장식, 이기백. '과도 액정 기법을 이용한 와동발생기 하류의 유동장 및 열전달 측정', 대한기계학회논문집 B권, 제 27권 제 11호, pp. 1618-1629, 2003
7 백승조, 이상준. '2-프레임 PTV 시스템의 개발 및 채널유동에의 응용', 대한기계학회논문집 B권. 제 22권 제6호. pp. 874-887. 1998
8 J. G. Symons and M. K. Peck. 'Natural Convection Heat Transfer Through Inclined Longitudinal slots', Transaction of the ASME, Vol.106, pp. 824-829, 1984   DOI
9 배대석. '감온액정을 이용한 기포유동의 온도장 해석에 관한 연구', 대한기계학회논문집 B권, 제27권 제11호. pp.1572-1578, 2003
10 R. J. Adrian, 'Particle-Imaging Techniques for Experimental Fluid Mechanics'. Ann. Rev. Fluid Mech., Vol. 23, pp.421-485. 1998
11 O. Polat and E. Bilgen. 'Conjugate heat transfer in inclined open shallow cavities', Int. J. Heat and Mass Transfer Vol.46, pp. 1563-1573, 2003   DOI   ScienceOn
12 이영호. 'PIV에서의 동시다점계측의 원리 및 적용', 대한기계학회 '96년도 열 및 유체공학부문 학술강연 논문집', pp. 30-44. 1996
13 Kimura, I.. Hyodo, T. and Ozawa, M., 'Temperature and Velocity Measure- ment of a 3-D thermal Flow Field Using Thermo- Sensitive Liquid Crystals', J. Visualization, Vol. 1, No. 2, pp. 145-152. 1998   DOI   ScienceOn
14 Dae-Hee Lee, Jae-Hun Chung, Se-Youl Won, Yun-Taek Kim and Kwang Suk Boo, 'A New Liquid Crystal Color Calibration Technique Using Neural Networks and Median Filtering', KSME International Journal, Vol. 14, No. 1, pp. 113- 120, 2000
15 G. L. Zhang, T. Hanzawa and N. Sakai, 'Heat Transfer by Natural Convection in Rectangular Cavities with Low Grashof of Number and Various Heater Locations', Journal of Chemical Engineering of Japan. ,Vol. 29. No.4, pp. 603-610. 1996   DOI   ScienceOn