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NASA Evaluation of Type II Chemical Depositions
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English
Abstract
Recent findings from NASA Langley tests to define effects of aircraft Type II chemical deicer depositions on aircraft tire friction performance are summarized. The Aircraft Landing Dynamics Facility (ALDF) is described together with the scope of the tire cornering and braking friction tests conducted up to 160 knots ground speed. Some lower speed 32-96 km/hr (20-60 mph) test run data obtained using an Instrumented Tire Test Vehicle (ITTV) to determine effects of tire bearing pressure and transverse grooving on cornering friction performance are also discussed. Recommendations are made concerning which parameters should be evaluated in future testing.
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Citation
Yager, T., Stubbs, S., Howell, W., and Webb, G., "NASA Evaluation of Type II Chemical Depositions," SAE Technical Paper 932582, 1993, https://doi.org/10.4271/932582.Also In
References
- Davis Pamela A. Stubbs Sandy M. Tanner John A. Langley's Aircraft Landing Dynamics Facility NASA RP 1198 October 1987
- Leland Trafford J. W. Yager Thorns J. Joyner Upshur T. Effects of Pavement Texture in Wet-Runway Braking Performance NASA IN D-4323 January 1968
- McCarty John L. Yager Thomas J. Riccitiello S. R. Wear, Friction, and Temperature Characteristics of an Aircraft Tire Undergoing Braking and Cornering NASA TP 1569 December 1979
- Horne Walter B. Yager Thomas J. Taylor Glenn R. Review of Causes and Alleviation of Low Tire Traction on Wet Runways NASA TND-4404 April 1968