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Titolo:
Usefulness of experiments with model fluid for thermocapillary convection-effect of Prandtl number on two-dimensional thermocapillary convection
Autore:
Zeng, Z; Mizuseki, H; Shimamura, K; Fukuda, T; Kawazoe, Y; Higashino, K;
Indirizzi:
Tohoku Univ, Mat Res Inst, Kawazoe Lab, Aoba Ku, Sendai, Miyagi 9808577, Japan Tohoku Univ Sendai Miyagi Japan 9808577 Ku, Sendai, Miyagi 9808577, Japan IHI, Space expt Syst Dev Dept, Tokyo 1901297, Japan IHI Tokyo Japan 1901297 , Space expt Syst Dev Dept, Tokyo 1901297, Japan
Titolo Testata:
JOURNAL OF CRYSTAL GROWTH
fascicolo: 1, volume: 234, anno: 2002,
pagine: 272 - 278
SICI:
0022-0248(200201)234:1<272:UOEWMF>2.0.ZU;2-T
Fonte:
ISI
Lingua:
ENG
Soggetto:
LIQUID BRIDGES; SQUARE CAVITY; INSTABILITIES; COLUMNS; STEADY; FLOW; ZONE;
Keywords:
computer simulation; fluid flow; heat transfer; Marangoni convection; thermocapillary convection; floating zone technique;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
25
Recensione:
Indirizzi per estratti:
Indirizzo: Zeng, Z Tohoku Univ, Mat Res Inst, Kawazoe Lab, Aoba Ku, 2-1-1 Katahira, Sendai, Miyagi 9808577, Japan Tohoku Univ 2-1-1 Katahira Sendai Miyagi Japan9808577 8577, Japan
Citazione:
Z. Zeng et al., "Usefulness of experiments with model fluid for thermocapillary convection-effect of Prandtl number on two-dimensional thermocapillary convection", J CRYST GR, 234(1), 2002, pp. 272-278

Abstract

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. (C) 2002 Published by Elsevier Science B.V.

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Documento generato il 04/04/20 alle ore 01:40:19