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Phenomena of Pneumatic Tire HydroplaningRecent research on pneumatic tire hydroplaning has been collected and summarized with the aim of describing what is presently known about the phenomena of tire hydroplaning. A physical description of tire hydroplaning is given along with formulae for estimating the ground speed at which it occurs. Eight manifestations of tire hydroplaning which have been experimentally observed are presented and discussed. These manifestations are: detachment of tire footprint, hydrodynamic ground pressure, spin-down of wheel, suppression of tire bow wave, scouring action of escaping fluid in tire-ground footprint region, peaking of fluid displacement drag, loss in braking traction, and loss of tire directional stability. The vehicle, pavement, tire, and fluid parameters of importance to tire hydroplaning are listed and described. Finally, the hazards of tire hydroplaning to ground and air-vehicle-ground performance are listed, and procedures are given to minimize these effects.
Document ID
19640000612
Document Type
Other - NASA Technical Note (TN)
Authors
Dreher, R. C. (NASA Langley Research Center Hampton, VA, United States)
Horne, W. B. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
August 2, 2013
Publication Date
November 1, 1963
Subject Category
Aircraft Design, Testing and Performance
Report/Patent Number
NASA-TN-D-2056
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Keywords
HYDROPLANE
PNEUMATIC EQUIPMENT

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