Abstract：To disclose the essential rule of influence factor on hydraulic retarder brake， the effects of working media physical parameters, working parameters and geometry parameters on hydraulic retarder brake performance were tested and verified based on dimension analysis. The criterion function of brake torque was deduced with parameters of Re, Pr, Eu, unit dip angle and chordal section length ratio. The theory and experiment research results show that the torque performance is affected by oil temperature. The torque is inversely proportional to Pr for the same working liquid, and the torque is decreased with the increasing of Pr. The larger the Re is, the more violent the working media flows with increased torque. The torque is increased with the increasing of oil pressure, and the torque driving force comes from the pressure difference of working media.
2016, Vol. 37 
