Estimation of Tolerance Limits for Meteoroid Hazard to Space Vehicles 100-500 Kilometers Above the Surface of the Earth PDF Download
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Author: Charles C. Dalton
Publisher:
ISBN:
Category : Meteoroids
Languages : en
Pages : 64
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Book Description
Author: Charles C. Dalton
Publisher:
ISBN:
Category : Meteoroids
Languages : en
Pages : 64
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 348
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 276
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Book Description
Author: United States. National Aeronautics and Space Administration Scientific and Technical Information Division
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 1152
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Book Description
Author: K. D. Timmerhaus
Publisher: Springer Science & Business Media
ISBN: 1475705220
Category : Science
Languages : en
Pages : 727
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Book Description
The 1965 Cryogenic Engineering Conference, in presenting the papers of its eleventh annual meeting takes this opportunity to gratefuIly acknowledge the assistance of Rice University and, in particular, R. Kobayashi and his staff for serving as hosts for this conference. This meeting, because of its proximity to the NASA Manned Spacecraft Center, has recognized the impact of the space age on the cryogenic field and has, there fore, attempted to emphasize this aspect of cryogenics to a greater degree than in past conferences. The highlight of this conference has been the presentation of the highest Cryogenic Engineering Conference award-The Samuel C. CoIlins Award-to its first recipient, Dr. Samuel C. Collins. This award, set up in his name, has recognized the outstanding contributions that Dr. S. C. CoIlins, retired Professor of Mechanical Engineering at the Massachusetts Institute of Technology, has made in the field of helium liquefaction. His significant advances in various phases of cryogenics have been recognized inter nationaIly by numerous organizations. High on this list has been the tribute which was bestowed on hirn by the Kamerlingh-Onnes Laboratory in Leiden in awarding hirn the first Kamerlingh-Onnes gold medal to an American in 1958. The Cryogenic Engineering Conference, in addition to recognizing his pioneering work in helium liquefaction by the presentation of the Samuel C. Collins Award, also dedicates this volume of the Advances in Cryogenic Engineering to hirn.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 2180
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Author: Robert E. Lavender
Publisher:
ISBN:
Category : Lunar surface vehicles
Languages : en
Pages : 68
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Book Description
Results of analytical touchdown dynamics investigations are presented which were conducted to obtain estimates of the probability of stable landing for configurations with various landing gear diameters. Both three-legged and four-legged vehicles are considered in the analysis. Dynamic scaling considerations are taken into account so that the results are applicable to a wide range of vehicle size and mass. A Monte Carlo approach is taken in the determination of initial landing conditions. Results indicate that for a given probability of stable landing, a three-legged vehicle requires a landing gear diameter only slightly larger than the diameter required for a four-legged vehicle. Therefore the three-legged vehicle's landing gear should weigh less.
Author: Charles C. Dalton
Publisher:
ISBN:
Category : Meteors
Languages : en
Pages : 140
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Book Description
A mathematical model is used to represent 8pik's 1958 physical theory of meteors in a form convenient for programming the computation of meteoroid photometric mass values. Sub-samples of 333 photographic meteors from McCrosky and Posen's sample are selected with respect to magnitude scaled for minimum velocity. A statistical comparison between the 1958 8pik resulst and the 1933 8pik provisional result, the Harvard-Meteor project basis for mass values, lative flux in absolute units for mass, momentum and energy are given separately for the terrestrial influx and for the lunar and interplanetary vehicle onfluxes.
Author: United States. National Aeronautics and Space Administration
Publisher:
ISBN:
Category : Aerodynamics
Languages : en
Pages : 880
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Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1958
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