A Hall Thruster Array for Very High Power Propulsion Applications

Award Information
Agency:
Department of Defense
Branch
Air Force
Amount:
$99,991.00
Award Year:
2001
Program:
SBIR
Phase:
Phase I
Contract:
F04611-01-C-0032
Award Id:
52462
Agency Tracking Number:
011PRO-1914
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
11 Tech Circle, Natick, MA, 01760
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
184629491
Principal Investigator:
B. Pote
Director
(508) 655-5565
bpote@busek.com
Business Contact:
J. Budny
Contracts Administrator
(508) 655-5565
judy@busek.com
Research Institution:
n/a
Abstract
Hall thrusters in the 50 - 100 kW class are an enabling technology for affordable methods of on-board propulsion for a number of orbit transfer and space tug applications. Studies of advanced propulsion options for deployment of payloads from a drop-offaltitude to an operating orbit can be best achieved by high power Hall thrusters. These studies show a substantial payload mass increase per launch vehicle compared with all chemical propulsion systems. In the proposed Phase I program, Busek willdemonstrate an array of thrusters operating as an integrated high power system. The viability and scalability of the proposed approach will be evaluated using a cluster of 600 W thrusters. The Phase I program is a subscale system demonstration for anarray of 10 - 20 kW class engines envisioned as the building blocks for the 50 -100 kW system. Through a combination of direct experimental measurements, analysis and modeling activities, we will develop a definitive understanding and basis for amulti-thruster array as opposed to a single engine system. In Phase II we will continue with system development and testing and deliver to the Air Force a prototype high power cluster for testing in AFRL's propulsion and diagnostic test facilities.A highpower Hall thruster propulsion system configured from standardized thruster modules will result in a lower cost, higher reliability propulsion system compared to a single high power engine. Configuring a customized high power system from lower powerbuilding blocks provides immediate dual use commercial applications because the standardized individual thruster has a viable market on commercial, military and government satellites. In addition, the multi-thruster array can be used to produce uniformhigh current, broad area ion beams and find terrestrial applications in etching and film deposition using reactive gas precursors.

* information listed above is at the time of submission.

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