Atmospheric Turbulence Simulation for Shuttle Orbiter PDF Download
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Author:
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Category :
Languages : en
Pages : 138
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 138
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Book Description
Author: Frank B. Tatom
Publisher:
ISBN:
Category : Fluid dynamics (Space environment)
Languages : en
Pages : 132
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Book Description
Author: C. G. Justus
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Category :
Languages : en
Pages : 56
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Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781722669577
Category :
Languages : en
Pages : 52
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Book Description
An updated NASA atmospheric turbulence model, from 0 to 200 km altitude, which was developed to be more realistic and less conservative when applied to space shuttle reentry engineering simulation studies involving control system fuel expenditures is presented. The prior model used extreme turbulence (3 sigma) for all altitudes, whereas in reality severe turbulence is patchy within quiescent atmospheric zones. The updated turublence model presented is designed to be more realistic. The prior turbulence statistics (sigma and L) were updated and were modeled accordingly. Justus, C. G. and Campbell, C. W. and Doubleday, M. K. and Johnson, D. L. Marshall Space Flight Center...
Author:
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ISBN:
Category : Atmospheric turbulence
Languages : en
Pages : 56
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Author:
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Category : Aeronautics
Languages : en
Pages : 892
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Author: Frank B. Tatom
Publisher:
ISBN:
Category : Fluid dynamics (Space environment)
Languages : en
Pages : 126
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Author: Show-Tien Wang
Publisher:
ISBN:
Category : Atmospheric turbulence
Languages : en
Pages : 180
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Book Description
Statistical modeling of atmospheric turbulence is discussed. The statistical properties of atmospheric turbulence, in particular the probability distribution, the spectra, and the coherence are reviewed. Different atmospheric turbulence simulation models are investigated, and appropriate statistical analyses are carried out to verify their validity. The models for simulation are incorporated into a computer model of aircraft flight dynamics. Statistical results of computer simulated landings for an aircraft having characteristics of a DC-8 are reported for the different turbulence simulation techniques. The significance of various degrees of sophistication in the turbulence simulation techniques on the landing performance of the aircraft is discussed.
Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781722246785
Category :
Languages : en
Pages : 74
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Book Description
Research and analysis on the identification of turbulent regions from the surface to 16 km during Space Shuttle launches are discussed. It was demonstrated that the results from the FPS-16 radar/jimsphere balloon system in measuring winds can indeed indicate the presence or conditions ripe for turbulence in the troposphere and lower stratosphere. It was further demonstrated that atmospheric data obtained during the shuttle launches by the rawinsonde in conjunction with the jimsphere provides the necessary meteorological data to compute aerodynamic parameters to identify turbulence, such as Reynolds number drag coefficient, turbulent stresses, total energy, stability parameter, vertical gradient of kinetic energy, Richardson number, and the turbulence probability index. Enhanced temperature lapse rates and inversion rates, strong vector wind shears, and large changes in wind direction identify the occurrence of turbulence at the troposphere. When any two of the above conditions occur simultaneously, a significant probability of turbulence can occur. Susko, Michael Marshall Space Flight Center...
Author:
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Category :
Languages : en
Pages : 18
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