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Thomas J. Yager

 

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Runway Friction Measurement Status

With today's technology, the measurement of ‘friction' can be readily…

7 February 2009 | By Thomas J. Yager, Distinguished Research Associate, NASA Langley Research Center, Hampton, Virginia USA

With today's technology, the measurement of ‘friction' can be readily and accurately determined whether it be in a vehicle engine, wheel bearing, or of more immediate attention, the interface between a moving vehicle tire and the travelled pavement surface. In regards to ground vehicle and aircraft operations, the problem is…

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Runway Friction Measurement Activities in the US

During the past year, several new runway friction measurement activities…

7 June 2007 | By Thomas J Yager, Senoir Research Engineer, NASA

During the past year, several new runway friction measurement activities have been initiated and progress has been made to improve measurement equipment, techniques and recommended procedures. The purpose of this article is to acquaint you, the reader, with recent developments including...