Design considerations for supersonic micronozzles
by W.F. Louisos, A.A. Alexeenko, D.L. Hitt, A. Zilic
International Journal of Manufacturing Research (IJMR), Vol. 3, No. 1, 2008

Abstract: The next-generation of small satellites ('nanosats') will feature masses <10 kg and require miniaturised propulsion systems capable of providing extremely low levels of thrust. The emergence of viscous, thermal and/or rarefaction effects on the micro-scale can significantly impact the flow behaviour in supersonic micronozzles resulting in performance characteristics which differ substantially from traditional macro-scale nozzle designs. In this paper, we provide an overview of key findings obtained from computational studies of supersonic micronozzle flow and discuss the implications for future micro-scale nozzle design and optimisation.

Online publication date: Sat, 29-Dec-2007

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