Three-dimensional Streamline Design of the Pump Flow Passage of Hydrodynamic Torque Converter
Journal Title: International Journal of Modern Engineering Research (IJMER) - Year 2014, Vol 4, Issue 8
Abstract
: The design methods of three-element, centripetal turbine hydrodynamic torque converters were investigated. A new design method, three-dimensional streamline design method, was proposed. Firstly, the three-dimensional central streamline of the flow passage was designed and the streamline consists of a circular arc and a short straight line segment. After that, the central streamline equation was obtained and the design path equation was derived. Next, any other meridional flow path can numerically be obtained. Finally, the three-dimensional streamline corresponding to any meridional flow path was computed numerically. Investigation results show that the proposed method is feasible and possesses obvious advantages. First, the curvature radius of the three-dimensional central streamline remains unchanged, while any other three-dimensional streamline is close to a circular arc as well. Therefore, the energy losses caused by streamline bending can be reduced. Second, because the fluid particle near the flow passage outlet flows in a straight line law and the energy losses due to flow deviation can be reduced. Third, all the three-dimensional streamlines are theoretically located in an identical plane. Thereby energy losses caused by the turbulence can be reduced. Fourth, because of the flat blades, the manufacture cost of a torque converter can be reduced
Authors and Affiliations
Shiping Liu , Shujuan Zheng
Keywords
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