In the last decades there has been an increasing development of small satellites allowing remarkable reduction of both cost and fabrication time. In parallel, there has been a general increase of LEO missions for Earth observation based on small satellites. The miniaturization technologies developed in the 80’s have allowed the development of microsensors and microactuators compatible with applications on microsatelites. This trend has stimulated the need of microthrusters to maintain orbital and attitude control requiring thrust ranging from some micro-Newton to some milli-Newton. In this work is described the design and development of a Micro Thruster, monolithically fabricated in Silicon with photolithographic technologies usually applied for MEMS fabrication. The thrust is obtained by using, as propellant, high concentration H2O2 that is induced to the liquid-to-vapour phase exothermal transition by means of a suitable catalyst. Design parameters, fabrication details as well as preliminary tests will be presented and discussed.
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CANEUS 2006: MNT for Aerospace Applications
August 27–September 1, 2006
Toulouse, France
Conference Sponsors:
- Nanotechnology Institute
ISBN:
0-7918-4254-1
PROCEEDINGS PAPER
Monolithic Silicon-Based Microthruster for Orbital and Attitude Control Fabricated by Using MEMS Technologies
Marco Chiarini,
Marco Chiarini
Carlo Gavazzi Space SpA, Milano, Italy
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Paolo Cerabolini,
Paolo Cerabolini
Carlo Gavazzi Space SpA, Milano, Italy
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Giuseppe Pennestri`,
Giuseppe Pennestri`
Carlo Gavazzi Space SpA, Milano, Italy
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Gian G. Bentini,
Gian G. Bentini
CNR-IMM Sez. di Bologna, Bologna, Italy
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Roberto Cocomazzi,
Roberto Cocomazzi
Universita` di Bologna, Forli`, Italy
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Annalisa Cerutti,
Annalisa Cerutti
CNR-IMM Sez. di Bologna, Bologna, Italy
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Alessio Nubile
Alessio Nubile
CNR-IMM Sez. di Bologna, Bologna, Italy
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Marco Chiarini
Carlo Gavazzi Space SpA, Milano, Italy
Paolo Cerabolini
Carlo Gavazzi Space SpA, Milano, Italy
Giuseppe Pennestri`
Carlo Gavazzi Space SpA, Milano, Italy
Gian G. Bentini
CNR-IMM Sez. di Bologna, Bologna, Italy
Roberto Cocomazzi
Universita` di Bologna, Forli`, Italy
Annalisa Cerutti
CNR-IMM Sez. di Bologna, Bologna, Italy
Alessio Nubile
CNR-IMM Sez. di Bologna, Bologna, Italy
Paper No:
CANEUS2006-11020, pp. 111-116; 6 pages
Published Online:
August 15, 2008
Citation
Chiarini, M, Cerabolini, P, Pennestri`, G, Bentini, GG, Cocomazzi, R, Cerutti, A, & Nubile, A. "Monolithic Silicon-Based Microthruster for Orbital and Attitude Control Fabricated by Using MEMS Technologies." Proceedings of the CANEUS 2006: MNT for Aerospace Applications. CANEUS2006: MNT for Aerospace Applications. Toulouse, France. August 27–September 1, 2006. pp. 111-116. ASME. https://doi.org/10.1115/CANEUS2006-11020
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