An analysis of turbulent film boiling on a sphere with variable wall temperature

作者: H-P Hu

DOI: 10.1243/09544062JMES943

关键词:

摘要: The present theoretical study investigates turbulent film boiling on a sphere immersed in stagnant saturated liquid. By assuming the cosine function, condition of variable wall temperature is expressed. includes analysis non-linear vapour velocity, temperature, thermal property, and Eddy diffusivity film; radiation effect, ratio, Rayleigh number are all considered. result shows that free-convection film, when has higher number, better heat transfer efficiency than laminar one. Finally, comparison between results those reported previous studies presented. It found good agreement exists them.

参考文章(11)
Duane P. Jordan, Film and Transition Boiling Advances in heat transfer. ,vol. 5, pp. 55- 128 ,(1969) , 10.1016/S0065-2717(08)70129-1
Samuel W.J. Welch, John Wilson, A Volume of Fluid Based Method for Fluid Flows with Phase Change Journal of Computational Physics. ,vol. 160, pp. 662- 682 ,(2000) , 10.1006/JCPH.2000.6481
Kato Hiroharu, Nishiwaki Niichi, Hirata Masaru, On the turbulent heat transfer by free convection from a vertical plate International Journal of Heat and Mass Transfer. ,vol. 11, pp. 1117- 1125 ,(1968) , 10.1016/0017-9310(68)90029-X
P.K. Sarma, V. Dharma Rao, A.E. Bergles, Turbulent film boiling on a horizontal cylinder—effect of temperature dependent properties Energy Conversion and Management. ,vol. 38, pp. 1135- 1144 ,(1997) , 10.1016/S0196-8904(96)00143-4
H. Merte, J. A. Clark, Boiling Heat Transfer With Cryogenic Fluids at Standard, Fractional, and Near-Zero Gravity Journal of Heat Transfer. ,vol. 86, pp. 351- 358 ,(1964) , 10.1115/1.3688689
S.K.W Tou, C.P Tso, IMPROVEMENT ON THE MODELLING OF FILM BOILING ON SPHERES International Communications in Heat and Mass Transfer. ,vol. 24, pp. 879- 888 ,(1997) , 10.1016/S0735-1933(97)00074-2
M.M. Farahat, T.N. Nasr, Natural convection film boiling from spheres to saturated liquids, an integral approach International Journal of Heat and Mass Transfer. ,vol. 21, pp. 256- 258 ,(1978) , 10.1016/0017-9310(78)90232-6
PK Sarma, T Subrahmanyam, VD Rao, AE Bergles, None, Turbulent film boiling on a horizontal cylinder International Journal of Heat and Mass Transfer. ,vol. 44, pp. 207- 214 ,(2001) , 10.1016/S0017-9310(00)00061-2
D. K. Agarwal, S. W. J. Welch, G. Biswas, F. Durst, Planar Simulation of Bubble Growth in Film Boiling in Near-Critical Water Using a Variant of the VOF Method Journal of Heat Transfer-transactions of The Asme. ,vol. 126, pp. 329- 338 ,(2004) , 10.1115/1.1737779
P S Ghoshdastidar, S Kabelac, A Mohanty, Numerical modelling of atmospheric pool boiling by the coupled map lattice method Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science. ,vol. 218, pp. 195- 205 ,(2004) , 10.1243/095440604322886946