环形双层液体内热毛细对流过程的数值模拟

工程热物理学报 , 2008, 29(10): 1759-1761.

1.重庆大学动力工程学院,重庆,400044

2.重庆大学动力工程学院,重庆,400044

3.重庆大学动力工程学院,重庆,400044

基金项目: 国家自然科学基金(50776102)

NUMERICAL SIMULATION OF THERMOCAPILLARY CONVECTION IN TWO-LAYER ANNULAR LIQUID

为了了解环形双层液体内热毛细对流的基本特征,利用有限容积法进行了数值模拟,液池外壁被加热,内壁被冷却,液封流体为氧化硼,熔体为砷化镓,其宽深比为4.模拟结果表明,液封能极大地抑制熔体内流动,使其速度降低约两个数量级;浮力会削弱液封层内的流动,强化熔体内流动.

[1]	Jurisch M;Borner F;Bunger T;Eichler S;Flade T;Kretzer U;Kohler A;Stenzenberger J;Weinert B .LEC- and VGF-growth of SIGaAs single crystals - recent developments and current issues[J].Journal of Crystal Growth,2005(1/2):283-291.
[2]	Morton JL.;Ma N.;Bliss DF.;Bryant GG. .Magnetic field effects during liquid-encapsulated Czochralski growth of doped photonic semiconductor crystals[J].Journal of Crystal Growth,2003(1/2):174-182.
[3]	Walker JS.;Henry D.;BenHadid H. .Magnetic stabilization of the buoyant convection in the liquid-encapsulated Czochralski process[J].Journal of Crystal Growth,2002(1):108-116.
[4]	Liu QS.;Velarde MG.;Roux B. .Thermocapillary convection in two-layer systems[J].International Journal of Heat and Mass Transfer,1998(11):1499-1511.
[5]	Madruga S.;Perez-Garcia C.;Lebon G. .Convective instabilities in two superposed horizontal liquid layers heated laterally - art. no. 041607[J].Physical review.E.Statistical physics, plasmas, fluids, and related interdisciplinary topics,2003(4 Pt.1):1607-0.
[6]	Doi T;Koster J N .Thermocapillary Convection in Two Immiscible Liquid Layers with Free Surface[J].Physics of Fluids,1993,A5(08):1914-1927.

上一张下一张

计量

作者相关

文章评分