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Numeric Simulation of Single Passage Ternary Turbulence Model in Hydraulic Torque Converter 被引量:5

Numeric Simulation of Single Passage Ternary Turbulence Model in Hydraulic Torque Converter
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摘要 Based on the renormalization group theory, a hydraulic torque converter 3 D turbulent single flow passage model is constructed and boundary condition is determined for analyzing the influence of the fluid field characteristic and parameters on the macroscopic model. Numerical simulation of the single fluid path is processed by computational fluid dynamics and the calculated results approach to experimental data well, and especially in low transmission ratio the torque and head results are more close to experimental data than the calculated results of beam theory. This shows that the appropriate ternary analysis method and reasonable assumption of boundary condition may analyze the flow field more precisely and predict the performance of torque converter more accurately. Based on the renormalization group theory, a hydraulic torque converter 3 D turbulent single flow passage model is constructed and boundary condition is determined for analyzing the influence of the fluid field characteristic and parameters on the macroscopic model. Numerical simulation of the single fluid path is processed by computational fluid dynamics and the calculated results approach to experimental data well, and especially in low transmission ratio the torque and head results are more close to experimental data than the calculated results of beam theory. This shows that the appropriate ternary analysis method and reasonable assumption of boundary condition may analyze the flow field more precisely and predict the performance of torque converter more accurately.
作者 闫清东 魏巍
出处 《Journal of Beijing Institute of Technology》 EI CAS 2003年第2期172-175,共4页 北京理工大学学报(英文版)
基金 SponsoredbytheNationalKeyLabofVehicularTransmissionFoundation
关键词 hydraulic torque converter 3 D fluid field computational fluid dynamics hydraulic torque converter 3 D fluid field computational fluid dynamics
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