NUMERICAL ANALYSIS ON THREE- DIMENSIONAL FLOW FIELD OF TURBINE IN TORQUE CONVERTER |
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| Authors: | LIU Yue PAN Yuxue LIU Chunbao |
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| Affiliation: | [1]School of Mechanical and Changchun University of ScienceChangchun 130022, China [2]College of Mechanical Science and Engineering, Jilin University, Changchun 130025, China |
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| Abstract: | Three-dimensional flow field of turbine in torque converter is simulated by numerical calculation in order to improve the performance of torque converter. Calculation model of a torque converter is presented based on the mixing-plane technology. In the calculation of flow field, the 3D N-S equations are separated by finite-volume method and solved by semi-implicit method for pressure-linked equations(SIMPLE). Based on flow field calculation, the flow field of turbine is simulated. The velocity and pressure in the flow field of turbine are analyzed. The external performance of the torque converter is also calculated. Results of flow simulation show that there are secondary flow, off flow and velocity gradient in turbine passage. The validity of numerical simulation is verified by comparing the results of numerical simulation with experiment data. |
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| Keywords: | Torque converter Turbine Flow field Numerical analysis TORQUE CONVERTER TURBINE FLOW FIELD THREEDIMENSIONAL ANALYSIS validity comparing numerical simulation experiment data gradient passage Results secondary flow show external velocity pressure SIMPLE separated method |
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