Laboratory Method for Evaluating Effect of Runway Grooving on Aircraft Tires

Laboratory Method for Evaluating Effect of Runway Grooving on Aircraft Tires
Author: G. Wittlin
Publisher:
Total Pages: 159
Release: 1974
Genre:
ISBN:

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The development of a laboratory technique which simulates an airplane operational touchdown on an existing representative grooved runway landing area is described. The laboratory technique demonstrates that chevron cutting of a 49 inch x 17 inch size tire (KC135, B727) landing on a dry 1/4 inch x 1/4 inch x 1 inch grooved concrete pavement slab is obtained which is representative of tire damage currently being experienced during airplane landings on grooved runways. A computer program is developed and used to analyze the method of approach and test results. Government and industry furnished tires, and eight different pavement configurations were tested. High speed motion pictures indicate that cutting occurs at the initial point of contact wherein speed is at a maximum. The test data is analyzed with regard to potentially critical parameters including energy absorption, forward velocity, and number of grooves traversed. (Modified author abstract).

NASA Technical Note

NASA Technical Note
Author:
Publisher:
Total Pages: 524
Release: 1973
Genre:
ISBN:

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Monthly Catalog of United States Government Publications

Monthly Catalog of United States Government Publications
Author: United States. Superintendent of Documents
Publisher:
Total Pages: 1194
Release: 1972
Genre: Government publications
ISBN:

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February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index.

Aeronautical Engineering

Aeronautical Engineering
Author:
Publisher:
Total Pages: 686
Release: 1972
Genre: Aeronautics
ISBN:

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A selection of annotated references to unclassified reports and journal articles that were introduced into the NASA scientific and technical information system and announced in Scientific and technical aerospace reports (STAR) and International aerospace abstracts (IAA).