On Orbit Spacecraft Re Fluiding
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On Orbit Spacecraft Re Fluiding
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Author : Mitchell Johnson
language : en
Publisher:
Release Date : 1998
On Orbit Spacecraft Re Fluiding written by Mitchell Johnson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with categories.
The ever-increasing number of space assets and interplanetary missions is creating a requirement for spacecraft service on-orbit. A large demand for this servicing in space is the resupply of consumables and propellants. The benefits of refueling, or refueling as it will be come to be called, are shown in this paper. A discussion of the issues involved with transporting fluids in zero-gravity is also included. Furthermore, the technology necessary to make spacecraft refueling feasible is demonstrated. The main focus of the paper is on the implementation of a servicing vehicle. The propulsion performance necessary for both a manned and automated servicer is investigated using an existing system design that would be based at the International Space Station. The advantages and disadvantages of each system are discussed. The importance of a high performance propulsion system is shown and recommendations are made on this subject. Overall, the servicing vehicle is shown to be most efficient if it were automated and able to provide many services.
On Orbit Technology Experiment Facility Definition
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Author : Richard A. Russell
language : en
Publisher:
Release Date : 1988
On Orbit Technology Experiment Facility Definition written by Richard A. Russell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Space stations categories.
On Orbit Servicing Of Space Systems
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Author : Donald M. Waltz
language : en
Publisher:
Release Date : 1993
On Orbit Servicing Of Space Systems written by Donald M. Waltz and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Science categories.
Feasibility Study For A Cryogenic On Orbit Liquid Depot Storage Acquisition And Transfer Cold Sat Satellite
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-07-24
Feasibility Study For A Cryogenic On Orbit Liquid Depot Storage Acquisition And Transfer Cold Sat Satellite written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-24 with categories.
This feasibility study presents the conceptual design of a spacecraft for performing a series of cryogenic fluid management flight experiments. This spacecraft, the Cryogenic On-Orbit Liquid Depot-Storage, Acquisition, and Transfer (COLD-SAT) satellite, will use liquid hydrogen as the test fluid, be launched on a Delta expendable launch vehicle, and conduct a series of experiments over a two to three month period. These experiments will investigate the physics of subcritical cryogens in the low gravity space environment to characterize their behavior and to correlate the data with analytical and numerical models of in-space cryogenic fluid management systems. Primary technologies addressed by COLD-SAT are: (1) pressure control; (2) chilldown; (3) no-vent fill; (4) liquid acquisition device fill; (5) pressurization; (6) low-g fill and drain; (7) liquid acquisition device expulsion; (8) line chilldown; (9) thermodynamic state control; and (10) fluid dumping. Rybak, S. C. and Willen, G. S. and Follett, W. H. and Hanna, G. J. and Cady, E. C. and Distefano, E. and Meserole, J. S. Unspecified Center NASA-CR-185248, NAS 1.26:185248 NAS3-25054...
Orbital Refueling System Ors
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Author :
language : en
Publisher:
Release Date : 1984
Orbital Refueling System Ors written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Government publications categories.
Reference Earth Orbital Research And Applications Investigations Bluebook
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Author : United States. National Aeronautics and Space Administration
language : en
Publisher:
Release Date : 1971
Reference Earth Orbital Research And Applications Investigations Bluebook written by United States. National Aeronautics and Space Administration and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Astronautics categories.
Orbital Debris
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 1995-07-07
Orbital Debris written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-07-07 with Science categories.
Since the beginning of space flight, the collision hazard in Earth orbit has increased as the number of artificial objects orbiting the Earth has grown. Spacecraft performing communications, navigation, scientific, and other missions now share Earth orbit with spent rocket bodies, nonfunctional spacecraft, fragments from spacecraft breakups, and other debris created as a byproduct of space operations. Orbital Debris examines the methods we can use to characterize orbital debris, estimates the magnitude of the debris population, and assesses the hazard that this population poses to spacecraft. Potential methods to protect spacecraft are explored. The report also takes a close look at the projected future growth in the debris population and evaluates approaches to reducing that growth. Orbital Debris offers clear recommendations for targeted research on the debris population, for methods to improve the protection of spacecraft, on methods to reduce the creation of debris in the future, and much more.
Cryogenic On Orbit Liquid Depot Storage Acquisition And Transfer Satellite Cold Sat
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-07-24
Cryogenic On Orbit Liquid Depot Storage Acquisition And Transfer Satellite Cold Sat written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-24 with categories.
The Cryogenic On-Orbit Liquid Depot Storage, Acquisition, and Transfer Satellite (COLD-SAT) will perform subcritical liquid hydrogen handling experiments under low gravity conditions to provide engineering data for future space transportation missions. Comprising the four Class 1 enabling experiments are tank press control, tank chilldown, tank no-vent fill, and liquid acquisition device fill/refill. The nine Class 2 enhancing experiments are tanker thermal performance, pressurization, low-gravity setting and outflow, liquid acquisition device performance, transfer line chilldown, outflow subcooling, low-gravity vented fill, fluid dumping, and advanced instrumentation. Consisting of an experiment module mated to a spacecraft bus, COLD-SAT will be placed in an initial 1300 km circular orbit by an Atlas commercial launch vehicle, and will perform experiments in a semi-autonomous mode for a period of up to six months. The three-axis controlled spacecraft bus provides electric power, control and data management, communications, and attitude control along with propulsive acceleration levels ranging from 10(exp -6) to 10(exp -4) g. It is desired to understand the effects that low acceleration levels might have on the heat and mass transfer processes involved in some of the experiments. The experiment module contains the three liquid hydrogen tanks, valves, pressurization and pumping equipment, and instrumentation. Within the highly insulated tanks are specialized fluid management equipment that might be used in future space transportation systems. At launch all the liquid hydrogen for the experiments is contained in the largest tank, which has helium-purged insulation to prevent cryo-pumping of air on the launch pad. The tank is loaded by the hydrogen tanking system used for the Centaur upper stage of the Atlas. After reaching orbit the two smaller tanks become receivers for fluid transfers, and when tanked, become the vessels for performing many of the experiments. Schus...
Theory Of Orbit
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Author : Victory Szebehely
language : en
Publisher: Elsevier
Release Date : 2012-12-02
Theory Of Orbit written by Victory Szebehely and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-02 with Science categories.
Theory of Orbits: The Restricted Problem of Three Bodies is a 10-chapter text that covers the significance of the restricted problem of three bodies in analytical dynamics, celestial mechanics, and space dynamics. The introductory part looks into the use of three essentially different approaches to dynamics, namely, the qualitative, the quantitative, and the formalistic. The opening chapters consider the formulation of equations of motion in inertial and in rotating coordinate systems, as well as the reductions of the problem of three bodies and the corresponding streamline analogies. These topics are followed by discussions on the regularization and writing of equations of motion in a singularity-free systems; the principal qualitative aspect of the restricted problem of the curves of zero velocity; and the motion and nonlinear stability in the neighborhood of libration points. This text further explores the principles of Hamiltonian dynamics and its application to the restricted problem in the extended phase space. A chapter treats the problem of two bodies in a rotating coordinate system and treats periodic orbits in the restricted problem. Another chapter focuses on the comparison of the lunar and interplanetary orbits in the Soviet and American literature. The concluding chapter is devoted to modifications of the restricted problem, such as the elliptic, three-dimensional, and Hill’s problem. This book is an invaluable source for astronomers, engineers, and mathematicians.
Reference Earth Orbital Research And Applications Investigations Bluebook Technology
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Author : United States. National Aeronautics and Space Administration
language : en
Publisher:
Release Date : 1971
Reference Earth Orbital Research And Applications Investigations Bluebook Technology written by United States. National Aeronautics and Space Administration and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Astronautics categories.