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Tomasz Palacz and Jacek Cieslik
The paper is part of the research aimed at determining if the vortex flow pancake (VFP) hybrid rocket engine is feasible as green in-space chemical propulsion. The objective of this study is to test an N2O/HDPE VFP hybrid ignited with N2O/C3H8 torch igni...
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Nadir Yilmaz, Burl Donaldson and Walt Gill
Aluminum particle ignition behavior in open atmosphere rocket propellants fires is of particular interest for preventing accidents for rockets carrying high-value payloads. For nominal motor pressures, aluminum particles oxidize to aluminum oxide in the ...
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Qiang Tang, Zhibin Hu, Xiaxia Cui, Zechao Tao and Jau Tang
An atmospheric pressure microwave plasma source operating on water vapor has many potential applications. To avoid the corrosion of metal electrodes in a traditional water vapor microwave plasma system, we propose a simple water vapor electrodeless micro...
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Airingas ?uopys, Viktorija Grigaitiene, Liutauras Marcinauskas, Romualdas Ke?elis, Rolandas Uscila and Mindaugas Aikas
In this study, alumina coatings were formed using atmospheric plasma spraying, increasing the torch power from 29.4 to 45.1 kW. The surface morphology of the coatings was determined using scanning electron microscopy; the elemental composition was examin...
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?ydrunas Kavaliauskas, Rolandas Uscila, Romualdas Ke?elis, Vitas Valincius, Viktorija Grigaitiene, Dovile Gim?auskaite and Mindaugas Milie?ka
A transferred arc plasma torch chemical rector was used to process waste formed from mixtures of dry clay powder and hydroquinone. Such reactors are best suited for the treatment of electrically conductive waste. In these types of reactors, the electric ...
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Xiaowei Cai, Zhihe Fu, Huangsheng Xie, Jiaxiang Xue, Duhan Ding, Ning Ou and Gang Zhou
The coaxial cylindrical reactor with a rotary nozzle is proposed to be used as the plasma torch of the plasma cleaning machine. The phase-shifted full bridge series resonance circuit is used as the power circuit topology. Because the voltage source load ...
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Nicholas S. Campbell, Kyle Hanquist, Andrew Morin, Jason Meyers and Iain Boyd
Recent developments in the world of hypersonic flight have brought increased attention to the thermal response of materials exposed to high-enthalpy gases. One promising concept is electron transpiration cooling (ETC) that provides the prospect of a pass...
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Olexiy Shynkarenko and Domenico Simone
A new ignition system, based on a CH4/O2 torch has been developed by the Chemical Propulsion Laboratory of the University of Brasilia. Designed to ignite a hybrid rocket, this device has been improved to be used in testing of solid and liquid ramjet engi...
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Qinghao Shen, Run Huang, Zili Xu and Wei Hua
This study represents a self-consistent three-dimensional (3D) fluid plasma model coupled with Maxwell equations at an intermediate pressure between 1000 and 5000 Pa. The model was established using the finite element method to analyze the effects of tim...
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Pavel Ctibor
Strontium zirconate (SrZrO3) commercial powder was plasma sprayed using a high-feedrate water-stabilized plasma system (WSP) torch. Coatings with a thickness of about 1 mm were produced. Now, we are concentrating on a topic never addressed for pure SrZrO...
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