Nitrous Oxide as a Green Monopropellant for Small Satellites

Details Nitrous Oxide as a Green Monopropellant for Small Satellites Nitrous Oxide as a Green Monopropellant for Small Satellites

Oct 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004esasp.557e..20w&link_type=abstract

Proceedings of the 2nd International Conference on Green Propellants for Space Propulsion (ESA SP-557). 7-8 June 2004, Chia Lagu

Computer Science

Scientific paper

Nitrous oxide (N2O), has been suggested as a green monopropellant for hydrazine replacement [1,2]. It has extremely low toxicity and has a higher theoretical specific impulse (ISP) than 90% hydrogen peroxide (HTP): N2O ISP(t)~206s, HTP ISP(t)~180s [3]. It has largely been overlooked though due to the difficulty involved in maintaining reproducible catalytic decomposition. The authors are developing N2O thruster technology to prove its viability as a monopropellant alternative to hydrazine. Towards this purpose the authors have developed a novel catalyst for the decomposition of N2O, that has high activity and is thermally stable in oxidising conditions. The catalyst is being engineered into a form to be used efficiently within the thruster housing. This paper reports on the development of this catalyst.

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