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Towards micropropulsion systems on-a-chip: initial results of component feasibility studies

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8 Author(s)
Mueller, J. ; Jet Propulsion Lab., California Inst. of Technol., Pasadena, CA, USA ; Chakraborty, Indrani ; Vargo, S. ; Marrese, C.
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Recent advances in the development of several micropropulsion components for microspacecraft applications are reported. These include a vaporizing liquid micro-thruster, a micro ion engine, a micro-isolation valve, a micro-piezo valve, and a micro-solenoid valve. These components are envisioned to be integrated with chip-based driver and power conditioning electronics into highly integrated, compactly configured micropropulsion modules, reducing overall system weight and size as well as cost and complexity of propulsion system integration. Proof-of-concept demonstration for several of the concepts was recently obtained. A vaporizing liquid thruster chip was able to demonstrate vaporization of water propellant at a power level of 2 W. A micro-isolation valve could be opened at an energy of 16 mJ within 0.1 ms, and sustain burst pressures of up to 3,000 psig

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Aerospace Conference Proceedings, 2000 IEEE  (Volume:4 )

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