Method of internal 3D flow field
numerical simulation for hydrodynamic torque converter

doi:10.1007/s11465-008-0012-7

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Front. Mech. Eng. ›› 2008, Vol. 3 ›› Issue (1) : 86-90. DOI: 10.1007/s11465-008-0012-7

Method of internal 3D flow field numerical simulation for hydrodynamic torque converter

SHANG Tao¹, ZHAO Dingxuan¹, ZHANG Yuankun¹, GUO Xiangen², SHI Xiangzhong³

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Abstract

To enhance the performance of a hydrodynamic torque converter and thoroughly understand the trait of inside flow, a numerical simulation method of internal 3D flow for the three-element centrifugal hydrodynamic torque converter was systematically researched and expatiated in this paper. First, the internal flow field of each impeller was calculated. The curves that illustrate the relationships between the pressure differences of the inlet and outlet versus flux were drawn. Second, the concurrent working point of each impeller was approximately estimated. Finally, a calculation was performed considering the influence on each impeller. The flow field of a working point was solved by multiple calculations and the actual working condition was gradually determined. The pressure and velocity distributions of the flow field were proposed. The performance parameters of the hydrodynamic torque converter were predicted. The calculation method, and the proposed pressure and velocity distribution of the flow field, have practical significance for the design and improvement of a hydrodynamic torque converter.

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SHANG Tao, ZHAO Dingxuan, ZHANG Yuankun, GUO Xiangen, SHI Xiangzhong. Method of internal 3D flow field numerical simulation for hydrodynamic torque converter. Front. Mech. Eng., 2008, 3(1): 86‒90 https://doi.org/10.1007/s11465-008-0012-7

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