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Experimental Techniques for Rotor Performance Measurements
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English
Abstract
Rapid application of automotive brakes causes high temperatures with resulting thermal gradients in brake rotors. To analyze these components accurately, the inputs and heat transfer coefficients must be known. Transient thermal patterns measured on prototype parts were recorded on video tape using an infrared scanner. These surface temperature values give accurate temperatures and gradients which can be used as inputs for subsequent analysis methods. A pressure sensitive paper was also used to measure the pressure distribution on the rotor caused by flexibility in the rotor caliper, and mounting system.
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Citation
Dubensky, R., "Experimental Techniques for Rotor Performance Measurements," SAE Technical Paper 850078, 1985, https://doi.org/10.4271/850078.Also In
References
- Keller, R. P. “Stress Analysis and Life Testing of Brake and Suspension Components,” SAE 825A 1964
- Highley, F. H. “Techniques for Determining the Thermal Characteristics of Brake Drums and Discs,” SAE 710589 1971
- Roberts, C. C. Jr., “Troubleshooting Products Through Infrared Thermography,” Machine Design November 10 1983 54 58
- Dubensky, R. G. Roberts, C. C. Jr., “Thermal Stress Analysis of Brake System Components,” Proceedings of Thermosense VI 1984 November 7 1984
- Timtner, K. H. “Calculation of Disc Brakes Components Using the Finite Element Method with Emphasis on Weight Reduction,” SAE 790396 1979
- Dittrich, H. Lang, R. “Finite Element Analysis of Thermal Loads Acting on a Passenger Car Brake Rotor,” Automobil -technische Zeitschrift 86 6 1984