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Micropropulsion Research At Afrl
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Book Synopsis Micropropulsion Research at AFRL. by :
Download or read book Micropropulsion Research at AFRL. written by and published by . This book was released on 2000 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: There is an increased requirement for microsatellites to support such future missions as formation-flying space-based surveillance, space control, and on-orbit satellite servicing. Devices that can provide precise impulse bits in the 10-micro newton range may be enabling for a new fleet of 25-kg class spacecraft supporting these missions. in response to this need the Air Force Research Laboratory is developing a miniaturized propulsion unit: the Micro-Pulsed Plasma Thruster (Micro-PPT). Like a standard PPT, the Micro-PPT uses a surface discharge across the face of a solid Teflon(TM) propellant to create and accelerate a combination of plasma and neutral vapor. The Micro-PPT substantially differs from the standard design by using a self-igniting discharge and eliminating the separate igniter circuit from the thruster. This simplification enables the order-of-magnitude reductions in the thruster size and operational power level required to meet microsatellite propulsion requirements.
Book Synopsis Micropropulsion for Small Spacecraft by : Michael Matthew Micci
Download or read book Micropropulsion for Small Spacecraft written by Michael Matthew Micci and published by AIAA. This book was released on 2000 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Space Micropropulsion for Nanosatellites by : Kean How Cheah
Download or read book Space Micropropulsion for Nanosatellites written by Kean How Cheah and published by Elsevier. This book was released on 2022-03-19 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: Space Micropropulsion for Nanosatellites: Progress, Challenges and Future features the latest developments and progress, the challenges faced by different researchers, and insights on future micropropulsion systems. Nanosatellites, in particular cubesats, are an effective test bed for new technologies in outer space. However, most of the nanosatellites have no propulsion system, which subsequently limits their maneuverability in space. - Explains why nanosatellite requirements need unique micro-technologies to help develop a compliant propulsion system - Features an overview of nanosatellites and the global nanosatellite market - Covers chemical and electric micropropulsion and the latest developments
Book Synopsis Plasma Engineering by : Michael Keidar
Download or read book Plasma Engineering written by Michael Keidar and published by Academic Press. This book was released on 2018-08-06 with total page 587 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plasma Engineering, Second Edition, applies the unique properties of plasmas (ionized gases) to improve processes and performance over many fields, such as materials processing, spacecraft propulsion and nanofabrication. The book considers this rapidly expanding discipline from a unified standpoint, addressing fundamentals of physics and modeling, as well as new and real-word applications in aerospace, nanotechnology and bioengineering. This updated edition covers the fundamentals of plasma physics at a level suitable for students using application examples and contains the widest variety of applications of any text on the market, spanning the areas of aerospace engineering, nanotechnology and nanobioengineering. This is highly useful for courses on plasma engineering or plasma physics in departments of Aerospace Engineering, Electrical Engineering and Physics. It is also useful as an introduction to plasma engineering and its applications for early career researchers and practicing engineers. - Features new material relevant to application, including emerging areas of plasma nanotechnology and medicine - Contains a new chapter on plasma-based control, as well as a description of RF and microwave-based plasma applications, plasma lighting, reforming and other most recent application areas - Provides a technical treatment of the fundamental and engineering principles used in plasma applications
Book Synopsis Development of a Thrust Stand Micro-Balance to Assess Micropropulsion Performance by :
Download or read book Development of a Thrust Stand Micro-Balance to Assess Micropropulsion Performance written by and published by . This book was released on 2005 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: As proposed spacecraft and their associated thrusters have become smaller, technology has been developed to meet the demand for performance measurements for the extremely low force levels produced. For such thrusters, it is also desirable to measure the mass changes resulting from the utilization of propellant associated with either the steady state thrust or transient impulses. A thrust stand and novel data analysis method is presented to make both thrust (or impulse) and mass change measurements concurrently. It is shown that very accurate and repeatable measurements of mass can be made using an existing thrust stand system. Furthermore, it is shown that impulse and mass measurements can be resolved at the same time from a single thrust stand trace.
Book Synopsis Microflows and Nanoflows by : George Karniadakis
Download or read book Microflows and Nanoflows written by George Karniadakis and published by Springer Science & Business Media. This book was released on 2006-02-09 with total page 824 pages. Available in PDF, EPUB and Kindle. Book excerpt: Subject area has witnessed explosive growth during the last decade and the technology is progressing at an astronomical rate. Previous edition was first to focus exclusively on flow physics within microdevices. It sold over 900 copies in North America since 11/01. New edition is 40 percent longer, with four new chapters on recent topics including Nanofluidics.
Book Synopsis Менора by : Jewish University in Moscow
Download or read book Менора written by Jewish University in Moscow and published by . This book was released on 1993 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Microengineering Aerospace Systems by : Henry Helvajian
Download or read book Microengineering Aerospace Systems written by Henry Helvajian and published by AIAA. This book was released on 1999 with total page 748 pages. Available in PDF, EPUB and Kindle. Book excerpt: Microengineering Aerospace Systems is a textbook tutorial encompassing MEMS (micro-electromechanical systems), nanoelectronics, packaging, processing, and materials characterization for developing miniaturized smart instruments for aerospace systems (i.e., ASIM application-specific integrated microinstrument), satellites, and satellite subsystems. Third in a series of Aerospace Press publications covering this rapidly advancing technology, this work presents fundamental aspects of the technology and specific aerospace systems applications through worked examples.
Book Synopsis AFRL MicroPPT Development for Small Spacecraft Propulsion by :
Download or read book AFRL MicroPPT Development for Small Spacecraft Propulsion written by and published by . This book was released on 2002 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: A class of miniaturized pulsed plasma thrusters (PPT), known as MicroPPTs, is currently in development at the Air Force Research Laboratory. The MicroPPTs use a surface discharge across solid Teflon(TM) propellant to provide precise impulse bits in the 10 microN-s range. In the near term, these thrusters can provide propulsive attitude control on 150-kg-class spacecraft using 1/5th the dry mass of conventional torque rods and reaction wheels. Eventually these thrusters are designed for primary and attitude control propulsion on future 25-kg class spacecraft envisioned for such missions as formation flying sparse aperture arrays for space-based surveillance, on-orbit satellite servicing, and space control. A synopsis of the status of the thruster is presented, discussing development, lifetime, performance, and environmental testing.
Book Synopsis MEMS and Microstructures in Aerospace Applications by : Robert Osiander
Download or read book MEMS and Microstructures in Aerospace Applications written by Robert Osiander and published by CRC Press. This book was released on 2018-10-03 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: The promise of MEMS for aerospace applications has been germinating for years, and current advances bring the field to the very cusp of fruition. Reliability is chief among the challenges limiting the deployment of MEMS technologies in space, as the requirement of zero failure during the mission is quite stringent for this burgeoning field. MEMS and Microstructures in Aerospace Applications provides all the necessary tools to overcome these obstacles and take MEMS from the lab bench to beyond the exosphere. The book begins with an overview of MEMS development and provides several demonstrations of past and current examples of MEMS in space. From this platform, the discussion builds to fabrication technologies; the effect of space environmental factors on MEMS devices; and micro technologies for space systems, instrumentation, communications, thermal control, guidance navigation and control, and propulsion. Subsequent chapters explore factors common to all of the described systems, such as MEMS packaging, handling and contamination control, material selection for specific applications, reliability practices for design and application, and assurance practices. Edited and contributed by an outstanding team of leading experts from industry, academia, and national laboratories, MEMS and Microstructures in Aerospace Applications illuminates the path toward qualifying and integrating MEMS devices and instruments into future space missions and developing innovative satellite systems.
Book Synopsis Research Opportunities in Advanced Aerospace Concepts by :
Download or read book Research Opportunities in Advanced Aerospace Concepts written by and published by DIANE Publishing. This book was released on 2000 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis 36th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit: 2000-3100 - 2000-3149 by :
Download or read book 36th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit: 2000-3100 - 2000-3149 written by and published by . This book was released on 2000 with total page 604 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The John L. Junkins Astrodynamics Symposium by : Srinivas Rao Vadali
Download or read book The John L. Junkins Astrodynamics Symposium written by Srinivas Rao Vadali and published by . This book was released on 2003 with total page 550 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Proposed On-Orbit Demonstration of an Advanced Pulsed-Plasma Thruster for Small Satellite Applications by :
Download or read book A Proposed On-Orbit Demonstration of an Advanced Pulsed-Plasma Thruster for Small Satellite Applications written by and published by . This book was released on 1999 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The USAF Research Laboratory's (AFRL) Electric Propulsion Group is developing an Advanced pulsed-plasma thruster (PPT) technology demonstration for small satellites. The initial flight opportunity was on MightySat 11.2 - a satellite bus specifically designed to advance AFRL-developed technologies and serve as a risk reduction mission for systems required for TechSat 21. This experiment will demonstrate a high performance PPT, making it a viable thruster for various applications such as orbit raising and initiating and maintaining clusters of small satellites. The experiment will also be the first flight of a new micro-propulsion thruster - a miniaturized version of the PPT, known as the micro-PPT (%-PPT). The u-PPT is ideal for very precise attitude control and pointing, formation flying, and for primary propulsion on microsatellites. A novel on-board diagnostic package will be used to assess the contamination of optical and thermal control surfaces as a result of firing the PPTs. Ground-based observations will also be conducted to assess the on-orbit performance and possible communication impacts of the thruster firings.
Book Synopsis 39th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit July 20-23, 2003, Huntsville, Alabama: 03-5150 - 03-5199 by :
Download or read book 39th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit July 20-23, 2003, Huntsville, Alabama: 03-5150 - 03-5199 written by and published by . This book was released on 2003 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Commerce Business Daily written by and published by . This book was released on 1998-05 with total page 1902 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advanced Space Propulsion Systems by : Martin Tajmar
Download or read book Advanced Space Propulsion Systems written by Martin Tajmar and published by Springer Science & Business Media. This book was released on 2012-09-08 with total page 139 pages. Available in PDF, EPUB and Kindle. Book excerpt: Space propulsion systems have a great influence on our ability to travel to other planets or how cheap a satellite can provide TV programs. This book provides an up-to-date overview of all kinds of propulsion systems ranging from classical rocket technology, nuclear propulsion to electric propulsion systems, and further to micro-, propellantless and even breakthrough propulsion, which is a new program under development at NASA. The author shows the limitations of the present concepts and how they could look like in the future. Starting from historical developments, the reader is taken on a journey showing the amazing technology that has been put on hold for decades to be rediscovered in the near future for questions like how we can even reach other stars within a human lifetime. The author is actively involved in advanced propulsion research and contributes with his own experience to many of the presented topics. The book is written for anyone who is interested in how space travel can be revolutionized.
