Marangoni convection in model of floating zone under microgravity

Z. Zeng; H. Mizuseki; K. Shimamura; K. Higashino; T. Fukuda; Y. Kawazoe

doi:10.1016/S0022-0248(01)01236-2

Marangoni convection in model of floating zone under microgravity

Z. Zeng, H. Mizuseki, K. Shimamura, K. Higashino, T. Fukuda, Y. Kawazoe

New Industry Creation Hatchery Center (NICHe)

Research output: Contribution to journal › Article › peer-review

26 Citations (Scopus)

Abstract

Marangoni convection in a half-zone model, a simplification of the floating zone model, is steady and axisymmetric for Marangoni number Ma < Ma_c but the azimuthal flow after instability (Ma > Ma_c) breaks the axial-symmetry, and m-fold symmetry of the flow pattern is observed. The symmetry number m (azimuthal wave number) depends strongly on the aspect ratio, As (As = height/radius), of the half-zone. Based on the results of numerical simulation, the nature of the correlation between m and As is investigated.

Original language	English
Pages (from-to)	601-604
Number of pages	4
Journal	Journal of Crystal Growth
Volume	229
Issue number	1
DOIs	https://doi.org/10.1016/S0022-0248(01)01236-2
Publication status	Published - 2001 Jul 2

Keywords

A1. Convection
A1. Fluid flows
A1. Heat transfer
A2. Floating zone technique

ASJC Scopus subject areas

Condensed Matter Physics
Inorganic Chemistry
Materials Chemistry

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10.1016/S0022-0248(01)01236-2

Cite this

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title = "Marangoni convection in model of floating zone under microgravity",

abstract = "Marangoni convection in a half-zone model, a simplification of the floating zone model, is steady and axisymmetric for Marangoni number Ma < Mac but the azimuthal flow after instability (Ma > Mac) breaks the axial-symmetry, and m-fold symmetry of the flow pattern is observed. The symmetry number m (azimuthal wave number) depends strongly on the aspect ratio, As (As = height/radius), of the half-zone. Based on the results of numerical simulation, the nature of the correlation between m and As is investigated.",

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T1 - Marangoni convection in model of floating zone under microgravity

AU - Zeng, Z.

AU - Mizuseki, H.

AU - Shimamura, K.

AU - Higashino, K.

AU - Fukuda, T.

AU - Kawazoe, Y.

PY - 2001/7/2

Y1 - 2001/7/2

N2 - Marangoni convection in a half-zone model, a simplification of the floating zone model, is steady and axisymmetric for Marangoni number Ma < Mac but the azimuthal flow after instability (Ma > Mac) breaks the axial-symmetry, and m-fold symmetry of the flow pattern is observed. The symmetry number m (azimuthal wave number) depends strongly on the aspect ratio, As (As = height/radius), of the half-zone. Based on the results of numerical simulation, the nature of the correlation between m and As is investigated.

AB - Marangoni convection in a half-zone model, a simplification of the floating zone model, is steady and axisymmetric for Marangoni number Ma < Mac but the azimuthal flow after instability (Ma > Mac) breaks the axial-symmetry, and m-fold symmetry of the flow pattern is observed. The symmetry number m (azimuthal wave number) depends strongly on the aspect ratio, As (As = height/radius), of the half-zone. Based on the results of numerical simulation, the nature of the correlation between m and As is investigated.

KW - A1. Convection

KW - A1. Fluid flows

KW - A1. Heat transfer

KW - A2. Floating zone technique

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JO - Journal of Crystal Growth

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Marangoni convection in model of floating zone under microgravity

Abstract

Keywords

ASJC Scopus subject areas

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