Download or read book Development of Micro scale Pulsed Plasma Thruster for Cube Satellite written by 孫宜平 and published by . This book was released on 2018 with total page 75 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Development of a Micro pulsed Plasma Thruster for the Dawgstar Nanosatellite written by Christopher Rayburn and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Innovations in Pulsed Plasma Thrusters to Enable CubeSat Science Missions written by Paige Northway and published by . This book was released on 2020 with total page 163 pages. Available in PDF, EPUB and Kindle. Book excerpt: CubeSats and other small satellites in the 3-25 kg range are increasingly able to conduct meaningful science through advances in technology and miniaturization. However, much of the proposed science requires satellite mobility, which has advanced more slowly due to constraints on CubeSat launches. Pulsed Plasma Thrusters (PPTs) are a potential means of propulsion for these satellites that do not require fluid or gas tanks and feeds and are relatively compact. This makes them an ideal candidate as a low risk propulsion system for secondary payloads capable of passing safety concerns related to launch. Previously, the specific thrust, or thrust output per power input (mN/kW) of PPTs developed for space flight was low for the desired propulsion applications. This work examines the development of a PPT specifically for CubeSat propulsion. It also investigates how several science questions could be answered with these advances, with examples of missions to the asteroid belt and Europa. It is shown that the power, geometry, and propellant are influential factors that can lead to substantial gains in thruster performance. Where Teflon[superscript]TM has been the propellant of choice for previously launched PPTs, the novel use of solid Sulfur propellant is demonstrated with a twofold increase in specific thrust, which is the highest of any material tested in this study. Furthermore, a switch from smooth to serrated coaxial electrodes provides an increase in the specific thrust by up to an additional factor of 2. These changes bring the current test system capabilities to 45 mN/kW with a specific impulse of 1200 sec. This provides the opportunity for CubeSat missions to execute orbital maneuvers with changes in velocity on a range from 50 to 500 m/s. A fully integrated flight model was built and tested to overcome issues arising from the transition from a benchtop system to a CubeSat formfactor and then further tested for launch and space environment compatibility. The miniaturized flight model achieves 25 mN/kW performance and is being tested on the University of Washington built HuskySat-1 3U+ CubeSat, which was launched Nov 2nd 2019 and deployed January 31st 2020.
Download or read book Pulsed Plasma Thruster Technology for Small Satellite Missions written by and published by . This book was released on 1995 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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.
Download or read book The Micro Pulsed Plasma Thruster written by and published by . This book was released on 1999 with total page 0 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 radar, space control, and on-orbit satellite servicing. Devices that can provide precise impulse bit 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. However the Micro-PPT substantially differs from the standard design by using a self-igniting discharge and eliminating the separate igniter and trigger circuit from the thruster. This simplification enables the order-of- magnitude reductions in the thruster size and operational power level required to meet the microsatellite propulsion requirement.
Download or read book Applications for Pulsed Plasma Thrusters and the Development of Small PPTs for Micro spacecraft written by W. Andrew Hoskins and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Progress in Development of Modeling Capabilities for a Micro pulsed Plasma Thruster written by Michael Keidar and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Development of a Pulsed Plasma Thruster for the Dawgstar Satellite written by Christopher D. Rayburn and published by . This book was released on 2001 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Overview of Nasa s Pulsed Plasma Thruster Development Program written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-21 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: NASA's Pulsed Plasma Thruster Program consists of flight demonstration experiments, base research, and development efforts being conducted through a combination of in-house work, contracts, and collaborative programs. The program receives sponsorship from Energetics Project, the New Millennium Program, and the Small Business Innovative Research Program. The Energetics Project sponsors basic and fundamental research to increase thruster life, improve thruster performance, and reduce system mass. The New Millennium Program sponsors the in-orbit operation of the Pulsed Plasma Thruster experiment on the Earth Observing 1 spacecraft. The Small Business Innovative Research Program sponsors the development of innovative diamond-film capacitors, piezoelectric ignitors, and advanced fuels. Programmatic background, recent technical accomplishments, and future activities for each programmatic element are provided. Pencil, Eric J. and Kamhawi, Hani and Arrington, Lynn A. Glenn Research Center NASA/TM-2004-213291, AIAA Paper 2004-3455, E-14738
Download or read book Contamination Study of a Micro Pulsed Plasma Thruster written by Ceylan Kesenek and published by . This book was released on 2008 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Optimization of Pulsed Plasma Thrusters for Micro satellite Propulsion written by P. J. Turchi and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Performance Comparison of Pulsed Plasma Thruster Electrode Configurations written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-08-09 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pulsed plasma thrusters are currently planned on two small satellite missions and proposed for a third. In these missions, the pulsed plasma thruster's unique characteristics will be used variously to provide propulsive attitude control, orbit raising, translation, and precision positioning. Pulsed plasma thrusters are attractive for small satellite applications because they are essentially stand alone devices which eliminate the need for toxic and/or distributed propellant systems. Pulsed plasma thrusters also operate at low power and over a wide power range without loss of performance. As part of the technical development required for the noted missions, an experimental program to optimize performance with respect to electrode configuration was undertaken. One of the planned missions will use pulsed plasma thrusters for orbit raising requiring relatively high thrust and previously tested configurations did not provide this. Also, higher capacitor energies were tested than previously tried for this mission. Multiple configurations were tested and a final configuration was selected for flight hardware development. This paper describes the results of the electrode optimization in detail. Arrington, Lynn A. and Haag, Tom W. and Pencil, Eric J. and Meckel, Nicole J. Glenn Research Center NASA/TM-97-206305, E-11002, NAS 1.15:206305, IEPC-97-127 NAS3-27186; RTOP 632-1B-1B...
Download or read book Development of a Next Generation Low Power Small Satellite Thruster written by and published by . This book was released on 2004 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report results from a contract tasking Surrey Satellite Technology, Ltd., as follows: The Grantee will investigate the performance trade-offs for micro-satellite propulsion between a next-generation resistojet using xenon propellant and carbon heaters, and other methods. These include existing resistojets and micro-pulsed plasma thrusters. Development and testing of carbon monolith heaters and a prototype thruster will be performed. Pressure and temperature of the gas in stagnation chamber will be measured. Specific impulse and thrust will be measured if the facility at ESTEC is available: otherwise it will be estimated based on mass flow.
Download or read book Micro Newton Thruster Development written by Franz Georg Hey and published by Springer. This book was released on 2018-03-01 with total page 181 pages. Available in PDF, EPUB and Kindle. Book excerpt: Franz Georg Hey summarises the development and testing of a micro-Newton thrust balance, as well as the downscaling of a High Efficiency Multistage Plasma Thruster to micro-Newton thrust levels. The balance is tailored to fully characterise thruster candidates for the space based gravitational wave detector LISA. Thus, thrust noise measurements in sub-micro-Newton regime can be performed in the overall LISA bandwidth. The downscaled thruster can be operated down to serval tens of micro-Newton with a comparably high specific impulse. About the Author Franz Georg Hey works as mechanical, thermal, propulsion architect and technical lead of the micro‐Newton propulsion laboratory of Europe’s leading air and spacecraft manufacturer. The author is participating on major programmes for future satellite and electric propulsion development. The author’s research is performed in close collaboration with the Dresden University of Technology, the University of Bremen and the DLR Bremen.
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 16 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.
Download or read book Developing a Space Shuttle Experiment for Hall and Pulsed Plasma Thrusters written by Stephanie Jeanne Thomas and published by . This book was released on 2001 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
