Water rocket - Electrolysis propulsion and fuel cell power

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Water Rocket is the collective name for an integrated set of technologies that offer new options for spacecraft propulsion, power, energy storage, and structure. Low pressure water stored on the spacecraft is electrolyzed to generate, separate, and pressurize gaseous hydrogen and oxygen. These gases, stored in lightweight pressure tanks, can be burned to generate thrust or recombined to produce electric power. As a rocket propulsion system, Water Rocket provides the highest feasible chemical specific impulse (-400 seconds). Even higher specific impulse propulsion can be achieved by combining Water Rocket with other advanced propulsion technologies, such as arcjet or electric thrusters. ... continued below

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Carter, P. H.; Dittman, M. D.; Kare, J. T.; Militsky, F.; Myers, B. & Weisberg, A. H. July 24, 1999.

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Description

Water Rocket is the collective name for an integrated set of technologies that offer new options for spacecraft propulsion, power, energy storage, and structure. Low pressure water stored on the spacecraft is electrolyzed to generate, separate, and pressurize gaseous hydrogen and oxygen. These gases, stored in lightweight pressure tanks, can be burned to generate thrust or recombined to produce electric power. As a rocket propulsion system, Water Rocket provides the highest feasible chemical specific impulse (-400 seconds). Even higher specific impulse propulsion can be achieved by combining Water Rocket with other advanced propulsion technologies, such as arcjet or electric thrusters. With innovative pressure tank technology, Water Rocket's specific energy [Wh/kg] can exceed that of the best foreseeable batteries by an order of magnitude, and the tanks can often serve as vehicle structural elements. For pulsed power applications, Water Rocket propellants can be used to drive very high power density generators, such as MHD devices or detonation-driven pulse generators. A space vehicle using Water Rocket propulsion can be totally inert and non-hazardous during assembly and launch. These features are particularly important for the timely development and flight qualification of new classes of spacecraft, such as microsats, nanosats, and refuelable spacecraft.

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2.2 Megabytes pages

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  • American Institute of Aeronautics and Astronautics Space Technology Conference and Exposition, Albuquerque, NM (US), 09/28/1999--09/30/1999

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  • Report No.: UCRL-JC-135315
  • Report No.: YN0100000
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 14299
  • Archival Resource Key: ark:/67531/metadc622982

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  • July 24, 1999

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  • June 16, 2015, 7:43 a.m.

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  • May 6, 2016, 2:11 p.m.

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Carter, P. H.; Dittman, M. D.; Kare, J. T.; Militsky, F.; Myers, B. & Weisberg, A. H. Water rocket - Electrolysis propulsion and fuel cell power, article, July 24, 1999; California. (digital.library.unt.edu/ark:/67531/metadc622982/: accessed September 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.