Interior Noise and Vibration Measurements on Operational Military Helicopters and Comparisons with Various Ride Quality Criteria PDF Download
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Author: Sherman A. Clevenson
Publisher:
ISBN:
Category : Helicopters
Languages : en
Pages : 94
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Author: Sherman A. Clevenson
Publisher:
ISBN:
Category : Helicopters
Languages : en
Pages : 94
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 220
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Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 920
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Author:
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ISBN:
Category : Shock (Mechanics)
Languages : en
Pages : 618
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Author: J. D. Leatherwood
Publisher:
ISBN:
Category : Helicopters
Languages : en
Pages : 52
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This paper presents the results of a simulator study conducted to compare and validate various ride quality prediction methods for use in assessing passenger/crew ride comfort within helicopters. Included are results quantifying 35 helicopter pilots' discomfort responses to helicopter interior noise and vibration typical of routine flights, assessment of various ride quality metrics including the NASA ride comfort model, and examination of possible criteria approaches. Results of the study indicated that crew discomfort results from a complex interaction between vibration and interior noise. Overall measures such as weighted or unweighted root-mean-square acceleration level and A-weighted noise level were not good predictors of discomfort. Accurate prediction required a metric incorporating the interactive efefcts of both noise and vibration. The best metric for predicting crew comfort to the combined noise and vibration environment was the NASA discomfort index. (Author).
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Category : Government publications
Languages : en
Pages : 1252
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Author:
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ISBN:
Category : Government publications
Languages : en
Pages : 974
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Author: Jack D. Leatherwood
Publisher:
ISBN:
Category : Helicopters
Languages : en
Pages : 52
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Author:
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Category :
Languages : en
Pages : 596
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Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 52
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