Affordable Flight Demonstration of the GTX Air-Breathing SSTO Vehicle Concept PDF Download
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Author:
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ISBN:
Category :
Languages : en
Pages : 22
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 22
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Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781721506842
Category :
Languages : en
Pages : 26
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Book Description
The primary objective of the GTX effort is to determine whether or not air-breathing propulsion can enable a launch vehicle to achieve orbit in a single stage. Structural weight, vehicle aerodynamics, and propulsion performance must be accurately known over the entire flight trajectory in order to make a credible assessment. Structural, aerodynamic, and propulsion parameters are strongly interdependent, which necessitates a system approach to design, evaluation, and optimization of a single-stage-to-orbit concept. The GTX reference vehicle serves this purpose, by allowing design, development, and validation of components and subsystems in a system context. The reference vehicle configuration (including propulsion) was carefully chosen so as to provide high potential for structural and volumetric efficiency, and to allow the high specific impulse of air-breathing propulsion cycles to be exploited. Minor evolution of the configuration has occurred as analytical and experimental results have become available. With this development process comes increasing validation of the weight and performance levels used in system performance determination. This paper presents an overview of the GTX reference vehicle and the approach to its performance validation. Subscale test rigs and numerical studies used to develop and validate component performance levels and unit structural weights are outlined. The sensitivity of the equivalent, effective specific impulse to key propulsion component efficiencies is presented. The role of flight demonstration in development and validation is discussed. Trefny, Charles J. and Roche, Joseph M. Glenn Research Center NASA/TM-2002-211495, E-13263, NAS 1.15:211495
Author:
Publisher: DIANE Publishing
ISBN: 1428918205
Category :
Languages : en
Pages : 274
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Author:
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ISBN:
Category :
Languages : en
Pages : 28
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Author: T. Bonnefond
Publisher:
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Category :
Languages : en
Pages :
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Author:
Publisher:
ISBN:
Category : Aeronautics, Commercial
Languages : en
Pages : 12
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Book Description
Author: T. A. Heppenheimer
Publisher: University Press of Amer
ISBN: 9780935453188
Category : Political Science
Languages : en
Pages : 249
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Book Description
'We are going forward with research on a new Orient Express that could, by the end of the next decade, take off from Dulles Airport and accelerate up to 25 times the speed of sound, attaining low-earth orbit or flying to Tokyo within two hours.' With these words, President Reagan, in his 1986 State of the Union message, announced the beginning of the $3.3 billion effort known as the National Aerospace Plane Program, or NASP. With dozens of photographs, drawings, and tables, the book offers a thorough assessment of the program for the engineer and marketing executive alike. Author T.A. Heppenheimer separates the hype from the facts, and his conclusions are backed with scientific detail not found elsewhere.
Author:
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Category : Electric propulsion
Languages : en
Pages : 14
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Book Description
Author: William H. Heiser
Publisher: AIAA
ISBN: 9781563470356
Category : Science
Languages : en
Pages : 632
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Book Description
An almost entirely self-contained engineering textbook primarily for use in undergraduate and graduate courses in airbreathing propulsion. It provides a broad and basic introduction to the elements needed to work in the field as it develops and grows. Homework problems are provided for almost every individual subject. An extensive array of PC-based user-friendly computer programs is provided in order to facilitate repetitious and/or complex calculations. Annotation copyright by Book News, Inc., Portland, OR
Author: H. Jay Zwally
Publisher:
ISBN:
Category : Artificial satellites in earth sciences
Languages : en
Pages : 22
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Book Description
