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首页> 外文期刊>Numerical Heat Transfer, Part A. Application: An International Journal of Computation and Methodology >Numerical simulation of a turbulent liquid jet emanating from a plain-orifice atomizer and a pressure-swirl atomizer
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Numerical simulation of a turbulent liquid jet emanating from a plain-orifice atomizer and a pressure-swirl atomizer

机译:平孔雾化器和压力旋流雾化器产生的湍流射流的数值模拟

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摘要

The performance of three linear eddy viscosity models (LEVM), one algebraic Reynolds stress model (ARSM), and one differential Reynolds stress model (DRSM) in the simulation of the flows inside and outside a plain-orifice atomizer and a pressure-swirl atomizer are evaluated. It is found that for nonswirling cases, the DRSM, ARSM, and Nagano-Hishida's low-Reynolds-number turbulence model give better results. For swirling cases, the DRSM and ARSM turbulence models perform better than the other models. Based on a compromise between numerical accuracy and computational cost, the ARSM turbulence model is a preferable choice.
机译:三种线性涡流粘度模型(LEVM),一个代数雷诺应力模型(ARSM)和一个微分雷诺应力模型(DRSM)在模拟平孔雾化器和压力旋流雾化器内部和外部的流动时的性能被评估。发现对于非旋涡情况,DRSM,ARSM和长野Na田的低雷诺数湍流模型给出了更好的结果。对于旋流情况,DRSM和ARSM湍流模型的性能优于其他模型。基于数值精度和计算成本之间的折衷,ARSM湍流模型是一个较好的选择。

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