Technology Needs for the Automotive Torque Converter—Part 1: Internal Flow, Blade Design, and Performance

By, R. R.; Mahoney, John E.

doi:10.4271/880482

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Torque Converter Cfd1

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Cited by 8 publications

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“…Another use of CFD is not only to reduce the axial length (squashing) of a torque converter but also to understand losses associated with squashing [59].…”

Section: Torque Converter Cfdmentioning

confidence: 99%

Pressure Measurements Inside Multiple Cavities of a Torque Converter and CFD Correlation

Rivera¹

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“…Another use of CFD is not only to reduce the axial length (squashing) of a torque converter but also to understand losses associated with squashing [59].…”

Section: Torque Converter Cfdmentioning

confidence: 99%

Pressure Measurements Inside Multiple Cavities of a Torque Converter and CFD Correlation

Rivera¹

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CAD-Based Virtual Assembly Prototyping - A Case Study

Farahati

Lin

2003

The International Journal of Advanced Manufacturing Technology

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Perspective: Fluid Dynamics and Performance of Automotive Torque Converters: An Assessment

Backström

Lakshminarayana

1996

Journal of Fluids Engineering

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Experimental investigations by various groups over the past decade have uncovered the main features of the flow in hydraulic torque converters. Measurement techniques include laser and hot wire velocimetry, fast response and conventional five-hole probes, and blade and wall static pressure measurement. In both the pump and turbine, the through flow velocity is high near the pressure surface shell corner while the flow in the suction surface core corner is highly turbulent and may be separated and reversed. The position of the stator in a passage curved in the meridional plane leads to secondary flow and low velocities at the core near the pump inlet. Velocity gradients coupled with flow turning and rotor rotation lead to strong secondary flows. By using data from a combination of measurement techniques, torque converter torque, power and efficiency are calculated, and the effect of element efficiency on overall efficiency is demonstrated. It is concluded that design methods should be developed that allow for nonuniform velocity profiles, flow separation, secondary circulation and interaction effects between elements.

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Technology Needs for the Automotive Torque Converter—Part 1: Internal Flow, Blade Design, and Performance

Cited by 8 publications

References 11 publications

Pressure Measurements Inside Multiple Cavities of a Torque Converter and CFD Correlation

Pressure Measurements Inside Multiple Cavities of a Torque Converter and CFD Correlation

CAD-Based Virtual Assembly Prototyping - A Case Study

Perspective: Fluid Dynamics and Performance of Automotive Torque Converters: An Assessment

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