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Author:
Publisher:
ISBN:
Category : Ablation (Aerothermodynamics)
Languages : en
Pages : 44
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Book Description
Author:
Publisher:
ISBN:
Category : Ablation (Aerothermodynamics)
Languages : en
Pages : 44
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Book Description
Author: Committee on Reusable Launch Vehicle Technology and Test Program
Publisher: National Academies Press
ISBN: 0309588960
Category : Science
Languages : en
Pages : 99
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Book Description
The key to opening the use of space to private enterprise and to broader public uses lies in reducing the cost of the transportation to space. More routine, affordable access to space will entail aircraft-like quick turnaround and reliable operations. Currently, the space Shuttle is the only reusable launch vehicle, and even parts of it are expendable while other parts require frequent and extensive refurbishment. NASA's highest priority new activity, the Reusable Launch Vehicle program, is directed toward developing technologies to enable a new generation of space launchers, perhaps but not necessarily with single stage to orbit capability. This book assesses whether the technology development, test and analysis programs in propulsion and materials-related technologies are properly constituted to provide the information required to support a December 1996 decision to build the X-33, a technology demonstrator vehicle; and suggest, as appropriate, necessary changes in these programs to ensure that they will support vehicle feasibility goals.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 204
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Book Description
Author:
Publisher:
ISBN:
Category : Ablation (Aerothermodynamics)
Languages : en
Pages : 24
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Book Description
Author: S. D. Williams
Publisher:
ISBN:
Category : Insulating materials
Languages : en
Pages : 242
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Book Description
Author: J Meseguer
Publisher: Elsevier
ISBN: 0857096087
Category : Technology & Engineering
Languages : en
Pages : 413
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Book Description
Thermal control systems are an essential element of spacecraft design, ensuring that all parts of the spacecraft remain within acceptable temperature ranges at all times. Spacecraft thermal control describes the fundamentals of thermal control design and reviews current thermal control technologies. The book begins with an overview of space missions and a description of the space environment, followed by coverage of the heat transfer processes relevant to the field. In the third part of the book, current thermal control technologies are described, and in the final part, design, analysis and testing techniques are reviewed. - Provides background on the fundamentals of heat transfer which gives the reader a better understanding of the phenomenon and the way Space Thermal Control Systems work - Merges the experience of the authors in teaching aerospace engineering topics with the experience as compilers of the 'Spacecraft Thermal Control Design Data Handbook' of the European Space Agency and the development of in orbit thermal control systems for Spanish and ESA Missions - The engineering approach is enhanced with a full section on Thermal Control Design, Analysis and Testing
Author: Donald M. Curry
Publisher:
ISBN:
Category :
Languages : en
Pages : 24
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Book Description
Author: Kamran Daryabeigi
Publisher:
ISBN:
Category : Space simulators
Languages : en
Pages : 24
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Book Description
Author: Robert T. Swann
Publisher:
ISBN:
Category : Heat
Languages : en
Pages : 44
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Book Description
Equations for the transfer of heat through thermal protection shields are derived in finite difference form. These equations are applicable to charring ablators, impregnated ceramics, subliming ablators, heat sinks, and insulating materials and have been programmed for solution on a high speed digital computer.
Author: Sylvia M. Johnson
Publisher: BiblioGov
ISBN: 9781289289089
Category :
Languages : en
Pages : 40
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Book Description
Thermal protection materials and systems (IRS) are used to protect spacecraft during reentry into Earth's atmosphere or entry into planetary atmospheres. As such, these materials are subject to severe environments with high heat fluxes and rapid heating. Catalytic effects can increase the temperatures substantially. These materials are also subject to impact damage from micrometeorites or other debris during ascent, orbit, and descent, and thus must be able to withstand damage and to function following damage. Thermal protection materials and coatings used in reusable launch vehicles will be reviewed, including the needs and directions for new materials to enable new missions that require faster turnaround and much greater reusability. The role of ablative materials for use in high heat flux environments, especially for non-reusable applications and upcoming planetary missions, will be discussed. New thermal protection system materials may enable the use of sharp nose caps and leading edges on future reusable space transportation vehicles. Vehicles employing this new technology would have significant increases in maneuverability and out-of-orbit cross range compared to current vehicles, leading to increased mission safety in the event of the need to abort during ascent or from orbit. Ultrahigh temperature ceramics, a family of materials based on HfB2 and ZrB2 with SiC, will be discussed. The development, mechanical and thermal properties, and uses of these materials will be reviewed.
