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Utilizing An Energy-In-Energy-Out Approach to Simplify Heavy-Duty Transmission Efficiency Testing
Technical Paper
2000-01-3483
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
SAE Recommended Practice J1540 provides an indirect method of measuring transmission efficiency. The method involves measuring torque losses resulting from a dynamometer setup in which two test transmissions are mounted in a fashion that allows them to rotate about their input and output shafts. For a variety of reasons, an energy-in-energy-out measurement approach may be more practical for heavy-duty vehicle transmissions. With an appropriate test setup, the analysis simplifies to comparing the torque entering the transmission to the torque leaving it, factoring in the gear ratio.
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Authors
Topic
Citation
Schuster, M., "Utilizing An Energy-In-Energy-Out Approach to Simplify Heavy-Duty Transmission Efficiency Testing," SAE Technical Paper 2000-01-3483, 2000, https://doi.org/10.4271/2000-01-3483.Also In
References
- SAE International 1996 Manual Transmission Efficiency and Parasitic Loss Measurement (Surface Vehicle Recommended Practice J1540)
- ArvinMeritor Inc. 1998 October Transmission Efficiency Testing Troy, MI Schuster
- ArvinMeritor Inc. 1999 November Troy, MI Schuster
- Key Transducers, Inc. 1997 June Rotary Transformer Torque Sensor 4107-108-03 Troy, MI