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高温材料处理:国际期刊
SJR: 0.19 SNIP: 0.341 CiteScore™: 0.43

ISSN 打印: 1093-3611
ISSN 在线: 1940-4360

高温材料处理:国际期刊

DOI: 10.1615/HighTempMatProc.v10.i2.110
pages 301-316

THREE-DIMENSIONAL MODEL AND NUMERICAL SIMULATION OF HEAT TRANSFER IN AN ANISOTROPIC HELICAL SOLID-MASS WITH INNER HEAT SOURCE

Xuefeng Wang
Department of Mechanical Engineering, University of Nebraska, Lincoln, NE 68588, USA
David F. Chao
Fluid Physics and Transport Branch, Ohio Aerospace Institute at NASA Glenn Research Center, Cleveland, OH 44135, USA
Nengli Zhang
Pearlica Technologies, Inc.

ABSTRACT

A three-dimensional model is established for heat transfer process in an anisotropic helical solid-mass with inner heat source. Based on this model, a numerical simulation procedure is suggested. Using numerical grid generation method, the transformed three-dimensional energy equation involving anisotropic thermal conductivities and the relevant boundary conditions in the computational domain are derived. The transformed equations are concise and regular, which solved through the finite volume method. The model is examined by available data to prove its validity. As an example, the model and the simulation procedure are applied to the on-line thermal curing of thermoset composites in filament winding. The results are compared to those obtained from previous simplified physical model and show that the simplified model is acceptable only for the cases of large diameter ratio of mandrel to tow while the proposed model in the present paper is efficient and more accurate.


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