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Thursday, July 16, 2020 | History

2 edition of 30-kW ammonia arcjet technology found in the catalog.

30-kW ammonia arcjet technology

30-kW ammonia arcjet technology

final report, July 1986-December 1989

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  • 4 Currently reading

Published by National Aeronautics and Space Administration, Jet Propulsion Laboratory, California Institute of Technology, National Technical Information Service, distributor in Pasadena, Calif, [Springfield, Va .
Written in English

    Subjects:
  • Space vehicles -- Propulsion systems.,
  • Electric propulsion.

  • Edition Notes

    StatementW.D. Deininger ... [et al.].
    SeriesNASA contractor report -- NASA CR-186850.
    ContributionsDeininger, W. D., Jet Propulsion Laboratory (U.S.)
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL18072012M

      Advanced Power Electronics Components. NASA Technical Reports Server (NTRS) Schwarze, Gene E. This paper will give a description and status of the Advanced Power Electronics Materials and Components Technology program being conducted by the NASA Glenn Research Center for future aerospace power applications. The focus of this research program is on .   kW class Arcjet Advanced Technology Transition Demonstration (ATTD) flight experiment diagnostic package. NASA Astrophysics Data System (ADS) Kriebel, M. M.; Stevens, N. J. TRW, Rocket Research Co and Defense Systems Inc are developing a space qualified kW class arcjet flight unit as a part of the Arcjet ATTD program.

    Low power (? 30 kW) applied-?eld thrusters running on ammonia [6] and lithium [13] have been operated successfully for and hours respectively, although signi?cant erosion was measured. There is some evidence that a modest applied magnetic?eld can reduce erosion and increase lifetime in high power MPDTs[11].Read: Infrastructure at any of these 5 locations could be kept in place with a small station keeping expense. Other high earth orbits would be destabilized by the influences of the earth, moon or sun. Of these 5 locations, EML2 is the closest to escape.

    Free essays, homework help, flashcards, research papers, book reports, term papers, history, science, politics. “New Electrical Technology of Non Contact Fire Extinguishing and Fire Prevention” // “New Technologies magazine, issue 9/, Samara. D u d y s h e v V. D. “ N e w Te c h n o l o g y o f F i r e Extinguishing and Prevention” // “Ecology and Industry of Russia”, december,


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30-kW ammonia arcjet technology Download PDF EPUB FB2

Get this from a library. kW ammonia arcjet technology: final report, July December [W D Deininger; Jet Propulsion Laboratory (U.S.);].

Although Pulsed Plasma Thruster (PPT) has first been utilized in a space mission in but after more than four decades, it is still a space rated technology which has performed various. @article{osti_, title = {Arcjet propulsion system for an SP flight experiment}, author = {Deininger, W D and Vondra, R J}, abstractNote = {The design and performance of a arcjet nuclear electric propulsion spacecraft, suitable for use in a space reactor power system (SRPS) flight experiment, are outlined.

The vehicle design is based on a kW ammonia arcjet system operating at a. Internal emission spectroscopy measurements were performed in the nozzle expansion region of a 26 kW class ammonia arcjet.

A series of three optical access ports (inch diameter) were equally. Design and performance of an arcjet nuclear electric propulsion system for a mid's reference mission. The design and operating characteristics of an advanced kW ammonia arcjet engine.

Performance testing of a lightweight 30 kW arcjet power conditioningunit. Detailed Operating Characteristics Of 30-kW ammonia arcjet technology book Kw Ammonia Arcjet Engine With A Contoured Nozzle William D Deininger ; Thomas J Pivirotto Proc.

SPIEPropulsion, pg (9 May ); doi: / The ammonia synthesis conversion rate is limited by temperature. Industrially the temperature used to speed up reaction is usually around – °C and the conversion rate is around 10–15% at this temperature (Lovell, ).However, unconverted syngas can be recovered, so the total conversion rate can eventually reach 97% (Barclay and Leigh, ).Cited by: Close Drawer Menu Close Drawer Menu Menu.

Home; Journals. AIAA Journal; Journal of Aerospace Information Systems; Journal of Air Transportation; Journal of Aircraft; Journal of. At kw input power, reliable engine operation was obtained at up to sec specific impulse with ammonia and up to sec specific impulse with hydrogen.

Specific impulses greater than sec were obtained using hydrogen in a radiation-cooled engine operated at more» kw input power. Thermodynamics An Engineering Approach Yunus A. Cengel & Michael A. Boles 7th Edition, McGraw-Hill Companies, ISBN, Sheet 7:Chapter 7 7–25 Air is compressed by a kW compressor from P 1 to P 2.

The air temperature is maintained constant at 25°C during this process as. A Partial List of Process Cooling Markets: Aero. & Defense, 1 to 30 kW Digital Printing, Food & Beverage, Mobile Imaging, Plastics Photonics, Research, & Semi-Conductor.

Options: Controls / Interlocks • PLC controller • RS and RS communication • Ethernet ready controller • Remote start/stop • Audible alarm with silence. Spacecraft Power Systems Table Technology options and status of various power system components Technology option Technology status PV cell: converts sunlight into electricity Used in most long-mission spacecraft for power generation.

The mission design life is generally limited to about 15 years due to degradation in the Van Allen. ArcJet engines were mature technology back the s with ammonia propellant, they will need a bit of research to make them efficient with hydrogen propellant.

Heat exchangers that are light enough (low alpha) were not available in the s, but the report points out that these have been developed by Reaction Engines LTD for the SABRE engine. The experimental setup is a 30 kW down-fired swirl-flow burner in an alumina-lined vertical reactor operating with a maximum temperature of oC and at a pressure of ~ -5 mbarg.

The burner runs on natural gas, pulverized coal, straw, wood solo or in co-combustion operation (solid. Fuel efficiency volume unit conversion between kilowatt-hour/cubic meter and kilowatt-hour/liter, kilowatt-hour/liter to kilowatt-hour/cubic meter conversion in batch, kW.h/m3 kW.h/L conversion chart.

The NASA Solar Electric Propulsion Technology Application Readiness (NSTAR) program developed kW ion engine for use as a primary propulsion engine for orbit transfer and intra-solar system trajectories NSTAR engine is primary propulsion for Deep Space 1 (DS-1) probe currently in route for comet and asteroid rendezvous OPERATING PRINCIPLES.

The second approach is increasing the mass ratio by reducing the spacecraft's dry mass. This is the source of the rule below Every Gram er that the dry mass includes a spacecraft's structure, propellant tankage, lifesystem, crewmembers, consumables (food, water, and air), hydroponics tanks, cargo, atomic missiles, toilet paper, clothing, space suits, dental floss, kitty litter for.

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