Download or read book Performance and Long Duration Test of a 30 Kw Thermal Arcjet Engine written by T. J. Pivirotto and published by . This book was released on 1987 with total page 99 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this effort was to evaluate the lifetime and performance of a 30-kWe constricted arc ammonia arcjet. This engine was based on a design developed by Avco Corporation in 1963 that delivered 978 seconds of specific impulse with ammonia during a 50-hour test. After 573 hours of operation, a short circuit between the cathode and anode of JPL's thruster forced the life test to end. Throughout the 573-hour test, the thruster operated at 24.9 kWe, delivering 2.29 N (0.15 lbs) of thrust, 865 seconds of specific impulse, and 37% efficiency. Although the lifetime of JPL's thruster fell short of AFAL's original 1500-hour goal for the effort, the arcjet demonstrated a duration of over eleven times the lifetime of the 1963 Avco arcjet. Further, the demonstrated lifetime of 576 hours is adequate for many orbit raising missions. Keywords: Electric propulsion; Electrothermal arcjet, Space propulsion.

Download or read book Long Duration Test of a 30 kW Class Thermal Arcjet Engine written by T.J. Pivirotto and published by . This book was released on 1987 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book Papers Presented at the AIAA ASME SAE ASEE 25th Joint Propulsion Conference written by and published by . This book was released on 1989 with total page 418 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book AIAA SAE ASME ASEE 28th Joint Propulsion Conference and Exhibit written by and published by . This book was released on 1992 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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