The Application of the Statistical Theory of Extreme Values to Gust-load Problems PDF Download
Are you looking for read ebook online? Search for your book and save it on your Kindle device, PC, phones or tablets. Download The Application of the Statistical Theory of Extreme Values to Gust-load Problems PDF full book. Access full book title The Application of the Statistical Theory of Extreme Values to Gust-load Problems by Harry Press. Download full books in PDF and EPUB format.
Author: Harry Press Publisher: ISBN: Category : Aeronautics Languages : en Pages : 50
Book Description
This paper contains an analysis of the applicability of the statistical theory of extreme values to the problems of predicting the frequency of encountering the larger gust loads and velocities in flight through rough air. The results indicate that the distribution of maximum values of gust loads and velocities, under both test conditions and in normal commercial transport operations, may be represented by a simple analytic form. Methods of application and methods of measuring the reliability of the estimates are also given.
Author: Harry Press Publisher: ISBN: Category : Aeronautics Languages : en Pages : 50
Book Description
This paper contains an analysis of the applicability of the statistical theory of extreme values to the problems of predicting the frequency of encountering the larger gust loads and velocities in flight through rough air. The results indicate that the distribution of maximum values of gust loads and velocities, under both test conditions and in normal commercial transport operations, may be represented by a simple analytic form. Methods of application and methods of measuring the reliability of the estimates are also given.
Author: Robert J. Tapscott Publisher: ISBN: Category : Charts, diagrams, etc Languages : en Pages : 692
Book Description
Theoretically derived charts showing steady-state and first- and second-harmonic flapping coefficients are presented for helicopter rotors having hinged rectangular blades with a linear twist of 0, -8, and -16 degrees. The charts, showing the rotor flapping coefficients for combinations of inflow ratio and blade pitch angle, are presented for tip-speed ratios ranging from 0.05 to 0.50.
Author: Walter G. Walker Publisher: ISBN: Category : Acceleration (Mechanics) Languages : en Pages : 642
Book Description
This paper presents the results of an analysis of approximately 100,000 hours of V-G data from one type of four-engine civil transport airplane to determine the magnitude and frequency of occurrence of the gust loads and gusts. The data were obtained during routine operations from 1947 to 1954 on five different routes. The normal accelerations for each of the five operations may be expected to exceed the value corresponding to the limit-gust-load-factor increment, on the average, twice (once positive and once negative) within the range of 5,000,000 to 22,300,000 flight miles. A derived gust velocity of 50 feet per second was exceeded twice within the range of 600,000 to 1,900,000 flight miles. The gust loads of the present operations were less than the loads experienced by other four-engine civil transports previously investigated, but the differences are not significant. The present data indicated only small differences due to seasonal effects and different operational utilization.
Author: Harry Press
Author: Harry Press
Author: United States. National Bureau of Standards
Author: United States. National Bureau of Standards
Author: Emil Julius Gumbel
Author: United States. National Advisory Committee for Aeronautics
Author: Robert J. Tapscott
Author: United States. National Advisory Committee for Aeronautics
Author: Walter G. Walker
Author: Julius Lieblein
Author: Gloria R. Champine