TY - JOUR
T1 - Usefulness of experiments with model fluid for thermocapillary convection - Effect of Prandtl number on two-dimensional thermocapillary convection
AU - Zeng, Zhong
AU - Mizuseki, Hiroshi
AU - Shimamura, Kiyoshi
AU - Fukuda, Tsuguo
AU - Kawazoe, Yoshiyuki
AU - Higashino, Kazuyuki
N1 - Copyright:
Copyright 2007 Elsevier B.V., All rights reserved.
PY - 2002/1
Y1 - 2002/1
N2 - The floating zone technique is promising to realize large, high-quality crystals under microgravity. Thermocapillary flow, which is the dominant convection in a floating zone under microgravity, has been widely reported in the literature to be extremely sensitive to the Prandtl number Pr. In the present study, the effect of Pr on steady thermocapillary convection is re-evaluated based on both analytical and numerical solutions. The results indicate that an approximate similarity of temperature and velocity structures in a large Pr range is realized under suitable conditions, fixing the Marangoni number Ma, in steady two-dimensional regime.
AB - The floating zone technique is promising to realize large, high-quality crystals under microgravity. Thermocapillary flow, which is the dominant convection in a floating zone under microgravity, has been widely reported in the literature to be extremely sensitive to the Prandtl number Pr. In the present study, the effect of Pr on steady thermocapillary convection is re-evaluated based on both analytical and numerical solutions. The results indicate that an approximate similarity of temperature and velocity structures in a large Pr range is realized under suitable conditions, fixing the Marangoni number Ma, in steady two-dimensional regime.
KW - A1. Computer simulation
KW - A1. Fluid flow
KW - A1. Heat transfer
KW - A1. Marangoni convection
KW - A1. Thermocapillary convection
KW - A2. Floating zone technique
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U2 - 10.1016/S0022-0248(01)01700-6
DO - 10.1016/S0022-0248(01)01700-6
M3 - Article
AN - SCOPUS:0036131051
VL - 234
SP - 272
EP - 278
JO - Journal of Crystal Growth
JF - Journal of Crystal Growth
SN - 0022-0248
IS - 1
ER -