Measurement and Analysis of Static Pressure Field in a Torque Converter Turbine

[+] Author and Article Information
R. R. By

NAO Engineering Center, General Motors Corporation, Warren, MI 48090

B. Lakshminarayana

Aerospace Engineering Department, The Pennsylvania State University, University Park, PA 16802

J. Fluids Eng 117(3), 473-478 (Sep 01, 1995) (6 pages) doi:10.1115/1.2817286 History: Received February 01, 1994; Revised September 12, 1994; Online December 04, 2007


In this paper, the static pressure field and performance parameters of a torque converter turbine are measured, analyzed, and interpreted under three speed ratio conditions (0, 0.6, and 0.8). A proven measurement technique was developed for the steady-state measurement of static pressures in the turbine. Results show that: 1) the static pressure field is generally poor at the core section; 2) centrifugal force has the dominant effect on the static pressure drop in the turbine at SR = 0.6 and SR = 0.8; and 3) the static pressure loss due to viscous effects and due to the diffusion of the relative velocity is very pronounced at SR = 0.

Copyright © 1995 by The American Society of Mechanical Engineers
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