| 用三维贴体网格分析柴油机缸内流动和传热 |
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| 引用本文： | 杨林 顾宏中. 用三维贴体网格分析柴油机缸内流动和传热[J]. 上海交通大学学报, 1998, 32(4): 5-10 |
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| 作者姓名： | 杨林 顾宏中 |
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| 作者单位： | 上海交通大学动力与能源工程学院 |
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| 摘 要： | 通过在计算区域与物理区域间引进一个参数区域，以双线性变换和调和方程为基础，推导出计算区域上的坐标变换控制方程。并据此提出了三维贴体网格的生成技术，建立了计算区域上流体流动传热控制微分方程的通用形式，给出了柴油机缸内流动传热的数值计算方法，实践表明，上述方法都是可行而有效的。
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| 关 键 词： | 三维贴体坐标 网格生成 柴油机 传热 |
Analysis of the Flow and Heat Transfer in Diesel Engine Cylinder with 3 D Boundary Fitted Grids |
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| Yang Lin,Gu Hongzhong School of Power and Energy Engineering,Shanghai Jiaotong University,China. Analysis of the Flow and Heat Transfer in Diesel Engine Cylinder with 3 D Boundary Fitted Grids[J]. Journal of Shanghai Jiaotong University, 1998, 32(4): 5-10 |
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| Authors: | Yang Lin Gu Hongzhong School of Power Energy Engineering Shanghai Jiaotong University China |
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| Abstract: | Based on the bilinear algebraic transformation from the computational space (CS) onto the parameter space and the harmonic differential transformation from the parameter space onto the physic domain (PD), a 3 D boundary fitted grid generation method is presented. This method is aimed at the numerical analysis of the fluid flow and heat transfer in any geometric shaped space. Its application requires the conversion of the governing equation from the CS to the PD. Based on it the technique and its practice on the analysis of the diesel in cylinder process are provided. The test results support all of these skills. |
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| Keywords: | D boundary fitted coordinate grid generation governing equation numerical computation diesel engines |
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