Effect of Resistive and Plasma Heating on the Specific Impulse of a Ceramic Cold Gas Thruster

Sturesson, Peter; Seton, Ragnar; Klintberg, Lena; Thornell, Greger; Persson, Anders

doi:10.1109/jmems.2019.2893359

Cited by 5 publications

(4 citation statements)

References 22 publications

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“…A comparison of representative operating parameters/conditions and thrust performance is given in Table II, for several microplasma thrusters of electrothermal type (with power inputs on the order of 1-10 W) that have so far been reported in the literature. [33][34][35][36][37][38][39][40][41][42][43][44][45][46][47][48][49]…”

Section: Journal Of Applied Physicsmentioning

confidence: 99%

“…31,32 The electrothermal thrusters rely on the plasma/gas heating via plasma discharge followed by supersonic plasma/ gas expansion through de Laval nozzles: micro arcjet thrusters, 33,34 hollow cathode thrusters, 35 and plasma thrusters using dc microdischarges, 36,37 ac/rf microcavity discharges, 38,39 capacitively coupled rf discharges in a dielectric tube, [40][41][42][43][44][45][46][47] and microwave discharges. 48,49 We have developed a mm-scale microplasma thruster of the electrothermal type with azimuthally symmetric surface wave-excited plasmas (SWPs), [50][51][52][53][54][55][56][57][58] consisting of a microplasma source followed by a converging-diverging micronozzle as schematically shown in Fig. 1.…”

Section: Introductionmentioning

confidence: 99%

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Microplasma thruster powered by X-band microwaves

Takahashi

Mori

Kawanabe

et al. 2019

Journal of Applied Physics

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Section: Journal Of Applied Physicsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Microplasma thruster powered by X-band microwaves

Takahashi

Mori

Kawanabe

et al. 2019

Journal of Applied Physics

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“…The components were fabricated from 150 µm thick alumina green tapes (44007-150G, Ferro Corporation, OH, USA). For the cavity part, three tape sheets were pre-laminated at 70 • C and 3 MPa for 10 min [24]. Before lamination, the tape sheets were stacked between aluminium plates (thickness 1 mm) and vacuum packaged using a food sealer (Chef Food Sealer, OBH Nordica, Denmark).…”

Section: Fabrication Of Generic Componentsmentioning

confidence: 99%

Systematic variation of design aspects for a significant increase in thermal fracture resistance of alumina microthrusters

Åkerfeldt

Klintberg

Thornell

2021

J. Micromech. Microeng.

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Because of thermal stresses occurring upon rapid heating or cooling, microcomponents made from high-temperature co-fired ceramics (HTCC) often fail at temperatures far below what the materials can withstand per se. This work investigates how resistance to thermal fracture in HTCC microcomponents can be increased by improving the component design, aiming at increasing the thermal performance of a microthruster with integrated heaters. The effect of four design parameters: component and cavity geometries (circular or square), heater location (central or peripheral), and addition of embedded platinum layers, on thermal fracture resistance was investigated through a full factorial designed experiment. Components of different designs were manufactured, and their thermal fracture resistance tested by rapid heating until failure. Peripheral heater location and presence of embedded platinum layers were seen to improve resistance to thermal fracture, whereas the shape of the component and the cavity did not significantly affect thermal performance. The most favourable design was then used for a cold gas microthruster that was fabricated and evaluated with respect to thermal fracture resistance. The microthruster survived rapid heating up to 1460 • C and was operated as a cold gas thruster at temperatures up to 772 • C, which is more than twice the maximum temperatures previously reported for alumina microthrusters.

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“…Other microthrusters mainly depended on electric 2 of 42 driving including the vaporizing liquid microthruster (VLM) [9,10], plasma microthruster [11][12][13], electrospray microthruster [14][15][16], and colloid microthruster [17][18][19].The free molecule micro-resistojet (FMMR) is also an electrothermal micropropulsion system, which is designed and used for the on-orbit maneuvers of nanosatellites [20,21]. Furthermore, cold gas microthruster (CGM) [22][23][24][25] works by compression and release of high-pressure gas.…”

Section: Introductionmentioning

confidence: 99%

Recent Advances in MEMS-Based Microthrusters

Liu

Yang

et al. 2019

Micromachines

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With the development of micro/nano satellites and formation flying, more advanced spatial propulsion technology is required. In this paper, a review of microthrusters developments that based on micro electromechanical systems (MEMS) technology adopted in microthrusters is summarized. The microthrusters in previous research are classified and summarized according to the types of propellants and the working principles they utilized. The structure and the performance including the thrust, the impulse and the specific impulse of various microthrusters are compared. In addition, the advantages and the disadvantages of these microthrusters presented in the paper are discussed.

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Effect of Resistive and Plasma Heating on the Specific Impulse of a Ceramic Cold Gas Thruster

Cited by 5 publications

References 22 publications

Microplasma thruster powered by X-band microwaves

Microplasma thruster powered by X-band microwaves

Systematic variation of design aspects for a significant increase in thermal fracture resistance of alumina microthrusters

Recent Advances in MEMS-Based Microthrusters

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