Centaur Test Bed (Ctb) for Cryogenic Fluid Management PDF Download
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Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781721830367
Category :
Languages : en
Pages : 28
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Book Description
Future missions such as NASA s space exploration vision and DOD satellite servicing will require significant increases in the understanding and knowledge of space based cryogenic fluid management (CFM), including the transfer and storage of cryogenic fluids. Existing CFM capabilities are based on flight of upper stage cryogenic vehicles, scientific dewars, a few dedicated flight demonstrations and ground testing. This current capability is inadequate to support development of the CEV cryogenic propulsion system, other aspects of robust space exploration or the refueling of satellite cryo propulsion systems with reasonable risk. In addition, these technologies can provide significant performance increases for missions beyond low-earth orbit to enable manned missions to the Moon and beyond. The Centaur upper-stage vehicle can provide a low cost test platform for performing numerous flight demonstrations of the full breadth of required CFM technologies to support CEV development. These flight demonstrations can be performed as secondary mission objectives using excess LH2 and/or LO2 from the main vehicle propellant tanks following primary spacecraft separation at minimal cost and risk. Sakla, Steven and Kutter, Bernard and Wall, John Glenn Research Center NASA/CR-2006-214410, AIAA Paper 2006-4603, E-15689
Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781721830367
Category :
Languages : en
Pages : 28
Get Book Here
Book Description
Future missions such as NASA s space exploration vision and DOD satellite servicing will require significant increases in the understanding and knowledge of space based cryogenic fluid management (CFM), including the transfer and storage of cryogenic fluids. Existing CFM capabilities are based on flight of upper stage cryogenic vehicles, scientific dewars, a few dedicated flight demonstrations and ground testing. This current capability is inadequate to support development of the CEV cryogenic propulsion system, other aspects of robust space exploration or the refueling of satellite cryo propulsion systems with reasonable risk. In addition, these technologies can provide significant performance increases for missions beyond low-earth orbit to enable manned missions to the Moon and beyond. The Centaur upper-stage vehicle can provide a low cost test platform for performing numerous flight demonstrations of the full breadth of required CFM technologies to support CEV development. These flight demonstrations can be performed as secondary mission objectives using excess LH2 and/or LO2 from the main vehicle propellant tanks following primary spacecraft separation at minimal cost and risk. Sakla, Steven and Kutter, Bernard and Wall, John Glenn Research Center NASA/CR-2006-214410, AIAA Paper 2006-4603, E-15689
Author: Jason William Hartwig
Publisher: Academic Press
ISBN: 0128039906
Category : Technology & Engineering
Languages : en
Pages : 489
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Book Description
Liquid Acquisition Devices for Advanced In-Space Cryogenic Propulsion Systems discusses the importance of reliable cryogenic systems, a pivotal part of everything from engine propulsion to fuel deposits. As some of the most efficient systems involve advanced cryogenic fluid management systems that present challenging issues, the book tackles issues such as the difficulty in obtaining data, the lack of quality data and models, and the complexity in trying to model these systems. The book presents models and experimental data based on rare and hard-to-obtain cryogenic data. Through clear descriptions of practical data and models, readers will explore the development of robust and flexible liquid acquisition devices (LAD) through component-level and full-scale ground experiments, as well as analytical tools. This book presents new and rare experimental data, as well as analytical models, in a fundamental area to the aerospace and space-flight communities. With this data, the reader can consider new and improved ways to design, analyze, and build expensive flight systems. Presents a definitive reference for design ideas, analysis tools, and performance data on cryogenic liquid acquisition devices Provides historical perspectives to present fundamental design models and performance data, which are applied to two practical examples throughout the book Describes a series of models to optimize liquid acquisition device performance, which are confirmed through a variety of parametric component level tests Includes video clips of experiments on a companion website
Author: Manfred "Dutch" von Ehrenfried
Publisher: Springer
ISBN: 303005408X
Category : Science
Languages : en
Pages : 320
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Book Description
This book explores the practicality of using the existing subsurface geology on the Moon and Mars for protection against radiation, thermal extremes, micrometeorites and dust storms rather than building surface habitats at great expense at least for those first few missions. It encourages NASA to plan a precursor mission using this concept and employ a “Short Stay” Opposition Class mission to Mars as the first mission rather than the “Long Stay” concept requiring a mission that is too long, too dangerous and too costly for man’s first missions to Mars. Included in these pages is a short history on the uses of caves by early humans over great periods of time. It then describes the ongoing efforts to research caves, pits, tunnels, lava tubes, skylights and the associated technologies that pertain to potential lunar and Mars exploration and habitation. It describes evidence for existing caves and lava tubes on both the Moon and Mars. The work of noted scientists, technologists and roboticists are referenced and described. This ongoing work is moreextensive than one would think and is directly applicable to longer term habitation and exploration of the Moon and Mars. Emphasis is also given to the operational aspects of working and living in lunar and Martian caves and lava tubes.
Author: Reta C. Moser
Publisher: Springer Science & Business Media
ISBN: 1461595940
Category : Science
Languages : en
Pages : 486
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Book Description
Acronym agglomeration is an affliction of the age, and there are acronym addicts who, in their weakness, find it impossible to resist them. More than once in recent months my peers have cautioned me about my apparent readiness to use not only acronyms, but abbreviations, foreign isms, codes, and other cryptic symbols rather than common, ordinary American words. Many among us, though, either have not received or have chosen to ignore such advice. As a consequence, what we write and speak is full of mystery and confusion. It is then for the reader and listener and for the writer and speaker that Reta C. Moser has compiled this guide. Its effective application to the art of communication is urged. Such use should help avoid many of the misunderstandings involving terminology which occur daily. Although such misunderstandings are certainly crucial in humanistic and social situations, they are often of immediate import and the trigger to disaster in scientific, technical, and political situations. Some 15,000 acronyms and 25,000 definitions are provided (a 50- and 47 -percent increase over the 1964 edition!), with due credit to Miss Moser's diligence in making the compilation and with the acknowledgment that the acronymical phenomenon is very much with us. This edition, like the first, is certain to be of value to writers, librarians, editors, and others who must identify and deal with acronyms.
Author: Derwood Pamphilon
Publisher: CRC Press
ISBN: 9780849389221
Category : Medical
Languages : en
Pages : 296
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Book Description
Modern Transfusion Medicine is an ideal source of easy reading and reference for those who require succinct, up-to-date information on the practicalities of transfusion medicine. It examines the collection, preparation, clinical uses, and adverse effects of blood and its components. Written by experts to bridge the gap between specialist monographs and traditional, theoretical textbooks, this compact and invaluable reference contains a wide body of current knowledge previously unpublished as a single volume.
Author:
Publisher: Government Printing Office
ISBN: 9780160877391
Category : Science
Languages : en
Pages : 310
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Book Description
NASA SP-2004-4230. NASA History Series. Chronicles the story of the Centaur, the world's first liquid-hydrogen rocket. Focuses on technical and political hurdles that Centaur faced over the three decades that it was managed by NASA Lewis Research Center. Explores NASA's effort to modify Centaur for launch from the Shuttle's cargo bay, a controversial project canceled in the wake of the Challenger accident.
Author: Patrick J. G. Stiennon
Publisher: AIAA
ISBN: 9781563476969
Category : Technology & Engineering
Languages : en
Pages : 292
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Book Description
"A fictionalized account of the challenges faced by a group of seven investors and their engineering team in developing a low-cost, reusable, Earth-to orbit launch vehicle. The marketing, regulatory, and technical problems are explored ... "cover p. [4].
Author: Leslie Iversen
Publisher: Springer
ISBN: 9780306389214
Category : Psychology
Languages : en
Pages : 298
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Book Description
It is difficult to imagine an era in which there were no selective drugs for treating anxiety, depression, schizophrenia, and other mental ailments. Yet in a remarkably short time these drugs have come to occupy a position of prominence in medical practice throughout the world, and they now account for a major portion of all prescriptions. Most psychotropic drugs were discovered with little premeditation on the part of the inves~ tigator. The drugs simply "worked," often with little rationale, and psychopharmacology has been for many years an empirical discipline in search of scientific underpinnings. In the past decade, a basic science of psychopharmacology has de veloped and grown rapidly. Though psychotropic drugs are exceedingly "young" as drugs in medical practice go, we probably know more about their various mechanisms of action than we know about most drugs in clinical use. Advances in understanding effects of psychopharmaceuticals on the brain have been so prodigious that a new research paradigm has evolved. Instead of being concerned solely with understanding how the drugs act, many researchers now employ psychotropic drugs as tools-often the most powerful ones-to elucidate brain function. Consequently, psychophar macology is central to neurobiology, which in turn has emerged as an important discipline, heir to the preeminent glamor of molecular biology.
Author: Bart Sears
Publisher:
ISBN: 9781733679091
Category :
Languages : en
Pages : 144
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Book Description
Author: United States. Federal Aviation Administration
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 120
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Book Description
