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首页> 外文期刊>High Temperature Material Processes >THREE-DIMENSIONAL MODEL AND NUMERICAL SIMULATION OF HEAT TRANSFER IN AN ANISOTROPIC HELICAL SOLID-MASS WITH INNER HEAT SOURCE
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THREE-DIMENSIONAL MODEL AND NUMERICAL SIMULATION OF HEAT TRANSFER IN AN ANISOTROPIC HELICAL SOLID-MASS WITH INNER HEAT SOURCE

机译：具有内部热源的各向异性螺旋固体传热的三维模型和数值模拟

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摘要

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.
机译：建立了带内部热源的各向异性螺旋固体传热过程的三维模型。基于该模型，提出了数值模拟程序。利用数值网格生成方法，推导了在计算域中涉及各向异性热导率和相关边界条件的变换三维能量方程。变换后的方程简洁明了，可以通过有限体积法求解。通过可用数据检查该模型以证明其有效性。例如，将模型和仿真程序应用于长丝缠绕中热固性复合材料的在线热固化。将结果与从以前的简化物理模型获得的结果进行比较，结果表明简化模型仅在心轴与丝束直径比大的情况下才是可接受的，而本文提出的模型是有效且更准确的。

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