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A Preliminary Model For Spacecraft Propulsion Performance Analysis Based On Nuclear Gain And Subsystem Mass Power Balances
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Book Synopsis A Preliminary Model for Spacecraft Propulsion Performance Analysis Based on Nuclear Gain and Subsystem Mass-Power Balances by : Suman Chakrabarti
Download or read book A Preliminary Model for Spacecraft Propulsion Performance Analysis Based on Nuclear Gain and Subsystem Mass-Power Balances written by Suman Chakrabarti and published by BiblioGov. This book was released on 2013-08 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: A preliminary model for spacecraft propulsion performance analysis based on nuclear gain and subsystem mass-power balances are presented in viewgraph form. For very fast missions with straight-line trajectories, it has been shown that mission trip time is proportional to the cube root of alpha. Analysis of spacecraft power systems via a power balance and examination of gain vs. mass-power ratio has shown: 1) A minimum gain is needed to have enough power for thruster and driver operation; and 2) Increases in gain result in decreases in overall mass-power ratio, which in turn leads to greater achievable accelerations. However, subsystem mass-power ratios and efficiencies are crucial: less efficient values for these can partially offset the effect of nuclear gain. Therefore, it is of interest to monitor the progress of gain-limited subsystem technologies and it is also possible that power-limited systems with sufficiently low alpha may be competitive for such ambitious missions. Topics include Space flight requirements; Spacecraft energy gain; Control theory for performance; Mission assumptions; Round trips: Time and distance; Trip times; Vehicle acceleration; and Minimizing trip times.
Book Synopsis A Preliminary Model for Spacecraft Propulsion Performance Analysis Based on Nuclear Gain and Sub-system Mass Power Balances by : S. Chakrabarti
Download or read book A Preliminary Model for Spacecraft Propulsion Performance Analysis Based on Nuclear Gain and Sub-system Mass Power Balances written by S. Chakrabarti and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis International Aerospace Abstracts by :
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1999 with total page 682 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fundamentals of Electric Propulsion by : Dan M. Goebel
Download or read book Fundamentals of Electric Propulsion written by Dan M. Goebel and published by John Wiley & Sons. This book was released on 2008-12-22 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: Throughout most of the twentieth century, electric propulsion was considered the technology of the future. Now, the future has arrived. This important new book explains the fundamentals of electric propulsion for spacecraft and describes in detail the physics and characteristics of the two major electric thrusters in use today, ion and Hall thrusters. The authors provide an introduction to plasma physics in order to allow readers to understand the models and derivations used in determining electric thruster performance. They then go on to present detailed explanations of: Thruster principles Ion thruster plasma generators and accelerator grids Hollow cathodes Hall thrusters Ion and Hall thruster plumes Flight ion and Hall thrusters Based largely on research and development performed at the Jet Propulsion Laboratory (JPL) and complemented with scores of tables, figures, homework problems, and references, Fundamentals of Electric Propulsion: Ion and Hall Thrusters is an indispensable textbook for advanced undergraduate and graduate students who are preparing to enter the aerospace industry. It also serves as an equally valuable resource for professional engineers already at work in the field.
Book Synopsis FY 1999 Scientific and Technical Reports, Articles, Papers, and Presentations by : J.oyce E.Turner Waits
Download or read book FY 1999 Scientific and Technical Reports, Articles, Papers, and Presentations written by J.oyce E.Turner Waits and published by . This book was released on 2000 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Spacecraft Propulsion by : Charles D. Brown
Download or read book Spacecraft Propulsion written by Charles D. Brown and published by AIAA. This book was released on 1996 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bulletin of the Atomic Scientists by :
Download or read book Bulletin of the Atomic Scientists written by and published by . This book was released on 1961-05 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Bulletin of the Atomic Scientists is the premier public resource on scientific and technological developments that impact global security. Founded by Manhattan Project Scientists, the Bulletin's iconic "Doomsday Clock" stimulates solutions for a safer world.
Book Synopsis Future Spacecraft Propulsion Systems and Integration by : Paul A. Czysz
Download or read book Future Spacecraft Propulsion Systems and Integration written by Paul A. Czysz and published by Springer. This book was released on 2017-08-30 with total page 515 pages. Available in PDF, EPUB and Kindle. Book excerpt: The updated and expanded third edition of this book focuses on the multi-disciplinary coupling between flight-vehicle hardware alternatives and enabling propulsion systems. It discusses how to match near-term and far-term aerospace vehicles to missions and provides a comprehensive overview of the subject, directly contributing to the next-generation space infrastructure, from space tourism to space exploration. This holistic treatment defines a mission portfolio addressing near-term to long-term space transportation needs covering sub-orbital, orbital and escape flight profiles. In this context, a vehicle configuration classification is introduced covering alternatives starting from the dawn of space access. A best-practice parametric sizing approach is introduced to correctly design the flight vehicle for the mission. This technique balances required mission with the available vehicle solution space and is an essential capability sought after by technology forecasters and strategic planners alike.
Book Synopsis Principles of Spaceflight Propulsion by : E. M. Goodger
Download or read book Principles of Spaceflight Propulsion written by E. M. Goodger and published by Elsevier. This book was released on 2013-10-22 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: Division III. Propulsion Systems Including Fuels, Volume 6: Principles of Spaceflight Propulsion provides an introduction to the fundamentals of the processes of energy release and conversion. This book presents the developments of space technology by providing a general view of the propulsion methods available. Organized into seven chapters, this volume begins with an overview of the systems of propulsion in space that are based on the reaction thrust from an ejected jet. This text then explores the basic structural considerations together with a broad illustration of the associated sources of energy. Other chapters consider the decomposition energy release of endothermic compounds and review the methods of application to rocket propulsion. This book discusses as well the essential factors influencing the release of nuclear energy. The final chapter deals with the basis of most systems of spacecraft propulsion, which is the conversion of available energy to the kinetic energy of a propellant jet. This book is a valuable resource for engineers.
Book Synopsis Future Spacecraft Propulsion Systems by : Claudio Bruno
Download or read book Future Spacecraft Propulsion Systems written by Claudio Bruno and published by Springer Science & Business Media. This book was released on 2009-03-20 with total page 574 pages. Available in PDF, EPUB and Kindle. Book excerpt: An understandable perspective on the types of space propulsion systems necessary to enable low-cost space flights to Earth orbit and to the Moon and the future developments necessary for exploration of the solar system and beyond to the stars.
Book Synopsis The Role of Staged Space Propulsion Systems in Interplanetary Missions by : Duane W. Dugan
Download or read book The Role of Staged Space Propulsion Systems in Interplanetary Missions written by Duane W. Dugan and published by . This book was released on 1969 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: Performance prediction for tandem stages of space propulsion systems in interplanetary flight.
Book Synopsis Perigee Propulsion for Orbital Launch of Nuclear Rockets by : Paul G. Johnson
Download or read book Perigee Propulsion for Orbital Launch of Nuclear Rockets written by Paul G. Johnson and published by . This book was released on 1962 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: A thrust program called perigee propulsion which minimizes gravity loss is analyzed. Thrust is applied intermittently in regions of high velocity (near successive perigees). The increased energy-addition efficiency yields mass ratios approaching those for impulsive velocity change. Corresponding times to reach desired energy are in days but are still small relative to mission times. For specified orbital-launch missions, perigee-propulsion nuclear rocket systems are shown to equal continuous-thrust performance with reactor powers an order of magnitude less than those of continuous-thrust systems. Application and operational aspects of perigee propulsion are discussed.
Book Synopsis Mathematical Model for the Preliminary Analysis of Dual-mode Space Nuclear Fission Solid Core Power and Propulsion Systems, NUROC3A. AMS Report No. 1239a by :
Download or read book Mathematical Model for the Preliminary Analysis of Dual-mode Space Nuclear Fission Solid Core Power and Propulsion Systems, NUROC3A. AMS Report No. 1239a written by and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The three-volume report describes a dual-mode nuclear space power and propulsion system concept that employs an advanced solid-core nuclear fission reactor coupled via heat pipes to one of several electric power conversion systems. Such a concept could be particularly useful for missions which require both relatively high acceleration (e.g., for planetocentric maneuvers) and high performance at low acceleration (e.g., on heliocentric trajectories or for trajectory shaping). The first volume develops the mathematical model of the system.
Book Synopsis Nuclear Thermal Propulsion: A Joint NASA/DOE/DOD Workshop by :
Download or read book Nuclear Thermal Propulsion: A Joint NASA/DOE/DOD Workshop written by and published by . This book was released on 1991 with total page 518 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the 11th Symposium on Space Nuclear Power and Propulsion by : Mohamed S. El-Genk
Download or read book Proceedings of the 11th Symposium on Space Nuclear Power and Propulsion written by Mohamed S. El-Genk and published by . This book was released on 1994 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Computer Based Model for the Performance Analysis of a SCRAMJET Propulsion System by : Chiang-Hwa Ren
Download or read book A Computer Based Model for the Performance Analysis of a SCRAMJET Propulsion System written by Chiang-Hwa Ren and published by . This book was released on 1989 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1986 with total page 992 pages. Available in PDF, EPUB and Kindle. Book excerpt:
