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ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (317 download)
Download or read book Regenerative Fuel Cells for Space, Military, and Commercial Applications written by and published by . This book was released on 1994 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Joseph P. Fellner
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book Primary and Regenerative Fuel Cells for Space Applications written by Joseph P. Fellner and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Uwe Benz
Publisher :
ISBN 13 :
Total Pages : 6 pages
Book Rating : 4.:/5 (772 download)
Download or read book Regenerative Fuel Cells for Use in Space Stations written by Uwe Benz and published by . This book was released on 1990 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.:/5 (317 download)
Download or read book High Energy Density Regenerative Fuel Cell Systems for Terrestrial Applications written by and published by . This book was released on 1999 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Aeronautics and Space Adm Nasa
Publisher : Independently Published
ISBN 13 : 9781723727702
Total Pages : 28 pages
Book Rating : 4.7/5 (277 download)
Download or read book Fuel Cell Activities at the NASA Glenn Research Center written by National Aeronautics and Space Adm Nasa and published by Independently Published. This book was released on 2018-09-15 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fuel cells have a long history in space applications and may have potential application in aeronautics as well. A fuel cell is an electrochemical energy conversion device that directly transforms the chemical energy of a fuel and oxidant into electrical energy. Alkaline fuel cells have been the mainstay of the U.S. space program, providing power for the Apollo missions and the Space Shuttle. However, Proton Exchange Membrane (PEM) fuel cells offer potential benefits over alkaline systems and are currently under development for the next generation Reusable Launch Vehicle (RLV). Furthermore, primary and regenerative systems utilizing PEM technology are also being considered for future space applications such as surface power and planetary aircraft. In addition to these applications, the NASA Glenn Research Center is currently studying the feasibility of the use of both PEM and solid oxide fuel cells for low- or zero-emission electric aircraft propulsion. These types of systems have potential applications for high altitude environmental aircraft, general aviation and commercial aircraft, and high attitude airships. NASA Glenn has a unique set of capabilities and expertise essential to the successful development of advanced fuel cell power systems for space and aeronautics applications. NASA Glenn's role in past fuel cell development programs as well as current activities to meet these new challenges will be presentedKohout, Lisa L. and Lyons, Valerie (Technical Monitor)Glenn Research CenterAIRCRAFT ENGINES; FUEL CELLS; RESEARCH AND DEVELOPMENT; SPACECRAFT POWER SUPPLIES; ENERGY CONVERSION EFFICIENCY; AEROSPACE SYSTEMS; CHEMICAL ENERGY; ELECTRICITY; ENERGY CONVERSION; MEMBRANES; PROTONS; REUSABLE LAUNCH VEHICLES; SOLID OXIDE FUEL CELLS
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ISBN 13 :
Total Pages : 716 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1994 with total page 716 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1508 pages
Book Rating : 4.3/5 (91 download)
Download or read book Monthly Catalogue, United States Public Documents written by and published by . This book was released on 1971 with total page 1508 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Nigel Sammes
Publisher : Springer Science & Business Media
ISBN 13 : 9781402034961
Total Pages : 456 pages
Book Rating : 4.0/5 (349 download)
Download or read book Fuel Cell Technologies: State And Perspectives written by Nigel Sammes and published by Springer Science & Business Media. This book was released on 2005-11-07 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fuel Cells have become a potentially highly efficient sustainable source of energy and electricity for an ever-demanding power hungry world. The two main types of fuel cells ripe for commercialisation are the high temperature solid oxide fuel cell (SOFC) and the low temperature polymer electrolyte membrane fuel cell (PEM). The commercial uses of which include, but are not limited to, military, stand-by power, commercial and industrial, and remoter power. However, all aspects of the electricity market are being considered. This book has brought together a team of world-renowned experts in all aspects of fuel cell development for both SOFC and PEM in a workshop environment. The workshop held between June 6–10, 2004 was held in the capital city of the Ukraine, Kiev. The reason for the venue was that Ukraine is the third largest resource of zircon sands, a major source of material for the solid oxide fuel cell. Ukraine is looking at undertaking a very large effort in the solid oxide fuel cell arena, and hopes, one day, to be an international player in this market, and this book is an outcome from the workshop. The book focuses on the issues related to fuel cells, particularly the state-of-the-art internationally, the issues that were of particular interest for getting fuel cells fully commercialized, and advances in fuel cell materials and technology. The focus was on all types of fuel cells, but the emphasis was particularly on solid oxide fuel cells (SOFC), due to their importance to the host country. The book is an essential reference to researchers, academics and industrialists interested in up-to-date information on SOFC and PEM development.
Author : Kenneth A. Burke
Publisher :
ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.:/5 (1 download)
Download or read book High Energy Density Regenerative Fuel Cell Systems for Terrestrial Applications written by Kenneth A. Burke and published by . This book was released on 1999 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781721602803
Total Pages : 30 pages
Book Rating : 4.6/5 (28 download)
Download or read book Fuel Cells for Space Science Applications written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-20 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fuel cell technology has been receiving more attention recently as a possible alternative to the internal combustion engine for our automobile. Improvements in fuel cell designs as well as improvements in lightweight high-pressure gas storage tank technology make fuel cell technology worth a look to see if fuel cells can play a more expanded role in space missions. This study looks at the specific weight density and specific volume density of potential fuel cell systems as an alternative to primary and secondary batteries that have traditionally been used for space missions. This preliminary study indicates that fuel cell systems have the potential for energy densities of greater than 500 W-hr/kg, greater than 500W/kg and greater than 400 W-hr/liter, greater than 200 W/liter. This level of performance makes fuel cells attractive as high-power density, high-energy density sources for space science probes, planetary rovers and other payloads. The power requirements for these space missions are, in general, much lower than the power levels where fuel cells have been used in the past. Adaptation of fuel cells for space science missions will require down-sizing the fuel cell stack and making the fuel cell operate without significant amounts of ancillary equipment. Burke, Kenneth A. Glenn Research Center NASA/TM-2003-212730, E-14255, AIAA Paper 2003-5938
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ISBN 13 :
Total Pages : 866 pages
Book Rating : 4.3/5 ( download)
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1995 with total page 866 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : F.-B. Hsiao
Publisher : Elsevier
ISBN 13 : 0080536522
Total Pages : 399 pages
Book Rating : 4.0/5 (85 download)
Download or read book Microsatellites as Research Tools written by F.-B. Hsiao and published by Elsevier. This book was released on 1999-03-12 with total page 399 pages. Available in PDF, EPUB and Kindle. Book excerpt: In order to reflect the increasing importance and interest of the microsatellites in high technology and scientific applications in space, the Colloquium on Microsatellites as Research Tools was organized to promote its usage and technology development and to foster the international cooperation, especially in the area of the Asia pacific region. Attended by 150 participants from 18 countries the colloquium was organized into five major themes: regional development, lessons learned, innovations, scientific applications, and education. A special session was organized as well by the organizing committee and supported by the National Space Program Office to present its development of the Taiwan's satellite program and the current status of ROCSAT-1 which is scheduled to be launched at the beginning of 1999. Two main conclusions were drawn from the material presented: microsatellite in general is a very good means for doing space research and technology development, and a suitable vehicle to promote international collaborations.
Author : Richard Coalson
Publisher :
ISBN 13 :
Total Pages : 69 pages
Book Rating : 4.:/5 (455 download)
Download or read book Unitized Regenerative Fuel Cells (URFC); Opportunities and Limitations in the Fields of Space Propulsion and Energy Storage written by Richard Coalson and published by . This book was released on 1998 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt: Unitized Regenerative Fuel Cells (URFCs) offer a significant advancement in future space system technology. The ability of the URFC to act reversibly as a fuel cell and an electrolyzer allows the integration of two important spacecraft subsystems: power and propulsion. The goal of this paper is to demonstrate the advantages of the URFC system over the separate propulsion and power technology. These advantages will be demonstrated through the compilation of previously documented investigations as well as calculations and scenarios that I have created myself. Overall, I will demonstrate that the efficiency of the integrated URFC system makes it a noteworthy option in spacecraft design.
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ISBN 13 :
Total Pages : 304 pages
Book Rating : 4.3/5 (129 download)
Download or read book Technology for Large Space Systems written by and published by . This book was released on 1986 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Knowledge Foundation, Inc
Publisher :
ISBN 13 : 9781617382000
Total Pages : 555 pages
Book Rating : 4.3/5 (82 download)
Download or read book Portable and Micro Fuel Cells for Commercial and Military Applications written by Knowledge Foundation, Inc and published by . This book was released on 2009 with total page 555 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William A. Titterington
Publisher :
ISBN 13 :
Total Pages : 86 pages
Book Rating : 4.:/5 (227 download)
Download or read book Regenerative Fuel Cell System written by William A. Titterington and published by . This book was released on 1970 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of the work was to develop and define the performance and life characteristics of regenerative fuel cell technology for space applications. The report describes the system, analyses, component configurations, test results and conclusions derived from this work effort for this initial developmental program phase. Laboratory-type evaluation electrolysis single-cells (3 x 3 inch size) were fabricated and operated on performance and life tests to determine the design parameters in unit design. Full-size fuel cell units were assembled and tested, with the final 8-cell stack completing 975 hours of testing at the design current density (10) ASF) and 180F cell temperature. An electrolysis stack configuration was designed and several single and 3-cell stacks were performance tested to develop the design concept. A complete 150 - 200 watt breadboard regenerative fuel cell system was designed and fabricated. The system was performance tested to demonstrate the system energy efficiency (approximately 33%), which compared favorably with a predicted energy efficiency of 38%. Two daily mission cycles (12 minutes and 16.5 minutes fuel cell discharge durations) were completed in the regenerative system prior to an electrolysis unit failure. This testing demonstrated the technical feasibility of an integrated regenerative system approach. Additional hardware development is required to demonstrate system reliability and successful completion of a 45 day eclipse season mission test. (Author).
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ISBN 13 :
Total Pages : 23 pages
Book Rating : 4.:/5 (318 download)
Download or read book History of Fuel Cell R & D at Fort Belvoir, Virginia written by and published by . This book was released on 2008 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fuel cell R & D in the United States before 1958 was minimal but, with the advent of Sputnik, interest in fuel cells exploded. While NASA pursued fuel cells for space applications, Army Labs at Fort Monmouth and Fort Belvoir pursued air breathing fuel cells for tactical and ground applications. By the mid 1960's, both Army Labs had strong efforts and each had staffs of over eight researchers directed at fuel cell technology.
