吉林大学学报(工学版) ›› 2012, Vol. 42 ›› Issue (01): 91-97.

• paper • Previous Articles     Next Articles

Numerical investigation of brake performance of hydrodynamic tractor-retarder assembly

YAN Qing-dong1,2, ZOU Bo1,3, WEI Wei1,2   

  1. 1. School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China;
    2. National Key Lab of Vehicle Transmission, Beijing Institute of Technology, Beijing 100081, China;
    3. Tiema Industries Corporation,Chongqing 400050,China
  • Received:2010-05-12 Online:2012-01-01 Published:2012-01-01

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Abstract:

In order to obtain the brake performance of the hydrodynamic tractor-retarder assembly, a numerical simulation model was build to study the pressure and velocity distributions of internal flow field during brake process, and brake performance curves of different rotating speed were drawn by CFD analysis. The flow field analysis results show that the calculation error of the braking torque was less than 10% by comparison with experimental data, showing the simulation method and the simulation model are accurate and reliable.

Key words: fluid transmission and control, hydrodynamic tractor-retarder assembly, brake performance, flow field analysis

CLC Number: 

  • TH137.33


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