Journal of South China University of Technology (Natural Science Edition) ›› 2015, Vol. 43 ›› Issue (9): 135-140.doi: 10.3969/j.issn.1000-565X.2015.09.021

• Mechanical Engineering • Previous Articles     Next Articles

Momentum Distribution Method of Blades of Hydraulic Torque Converter with Circumferential Uniform Acceleration

  

  1. School of Mechanical Engineering，Tongji University，Shanghai 201804，China
  • Received:2015-01-06 Revised:2015-05-08 Online:2015-09-25 Published:2015-09-07
  • Contact: 王安麟(1954-)，男，教授，博士生导师，主要从事工程机械、智能设计研究． E-mail:wanganlin@tongji.edu.cn
  • About author:王安麟(1954-)，男，教授，博士生导师，主要从事工程机械、智能设计研究．
  • Supported by:
    Supported by the National Major Scientific and Technological Achievements Transformation Project(Finance
    Building No. 258(2012))

PDF

54

Abstract: In this paper，a new momentum distribution method with circumferential uniform acceleration is proposed to improve the traditional momentum distribution method used in the blade design of hydraulic torque converter (HTC)． In this method，the fluid particle movement inside the HTC is decomposed into the axis plane movement and the circumferential movement，and the equation of circumferential force of blades is derived based on the equations of the angular momentum and the velocity momentum． Then，the relationship between the velocity momentum and the circumferential movement is obtained，and the new momentum distribution scheme with circumferential uniform acceleration is obtained with a stable circumferential acceleration process of flow bundle． The new scheme is compared with the traditional momentum distribution scheme，and the computational fluid dynamics(CFD) is utilized to predict the performance of the HTC designed according to the new and traditional schemes．Thus，the effectiveness of the new momentum distribution method is verified．

Key words: hydraulic torque converters, blade design, momentum distribution method, flow bundle theory, computational fluid dynamics

CLC Number: