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Laser propulsion
Author and Affiliation:
Kemp, N. H.(Physical Sciences, Inc., Andover, MA, United States)
Rosen, D. I.(Physical Sciences, Inc., Andover, MA, United States)
Abstract: An introduction to thermal laser propulsion is presented. This form of rocket propulsion uses a laser beam from a remotely-located laser to heat a propellant gas, which is then expanded in a conventional way to produce thrust. This propulsion scheme has the potential for producing high specific impulse (greater than 1000 s) at moderate to high thrust (1000 lbs). Laser propulsion can thus fill a niche in propulsion for spaceflight missions which can be filled by no other practical scheme. The system analyses and some of the experimental and theoretical studies which have been performed are briefly reviewed. Production of thrust by a pulsed laser has been demonstrated on a laboratory scale at an Isp of 1000 s in hydrogen. While more work is needed, it seems apparent that laser propulsion has an important and unique capability which should be pursued, and should be considered for space missions in the 1990's and beyond.
Publication Date: Jun 01, 1984
Document ID:
19840054192
(Acquired Nov 28, 1995)
Accession Number: 84A36979
Subject Category: SPACECRAFT PROPULSION AND POWER
Report/Patent Number: AIAA PAPER 84-1445
Document Type: Preprint
Publisher Information: United States
Financial Sponsor: NASA; United States
Organization Source: Physical Sciences, Inc.; Andover, MA, United States
Description: 26p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright
NASA Terms: LASER HEATING; LASER PROPULSION; PROPULSIVE EFFICIENCY; ROCKET ENGINE DESIGN; SPACECRAFT PROPULSION; CHEMICAL PROPULSION; ENERGY ABSORPTION; HIGH THRUST; HYDROGEN FUELS; ROCKET NOZZLES; SPECIFIC IMPULSE
Imprint And Other Notes: AIAA, SAE, and ASME, Joint Propulsion Conference, 20th, Cincinnati, OH, June 11-13, 1984. 26 p. NASA-DARPA-USAF-sponsored research.
Availability Source: Other Sources
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