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Wonjae Yoon, Vikas Khandu Bhosale and Hosung Yoon
The development of propulsion systems based on green propellants, as an alternative to hydrazines, has been gaining interest within the space community. The study of Ammonium Dinitramide (ADN)-based liquid monopropellant, which is low-toxic and can deliv...
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Adrian Parzybut, Pawel Surmacz and Zbigniew Gut
This study investigates the use of MnxOy/Al2O3 and Pt/Al2O3 catalysts for the decomposition of hydrogen peroxide in thrusters. It describes the purpose, procedures, performance, and conclusions coming from the test campaign of the catalyst lifetimes. In ...
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Jakub Gramatyka, Przemyslaw Paszkiewicz, Damian Grabowski, Adrian Parzybut, Daria Bodych, Krzysztof Wróblewski, Pawel Surmacz and Krzysztof Pietrzak
The following paper presents the key design and test activities associated with the development of POLON?a green microsatellite propulsion module using 98% Hydrogen Peroxide (HTP). POLON, which stands for ?Polish Propulsion Module?, is the first step tow...
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Keigo Hatai and Taiichi Nagata
As a candidate for a green hypergolic bipropellant, the combination of highly concentrated hydrogen peroxide and fuel with dissolved sodium borohydride has been widely studied. In this study, a drop test using such a green hypergolic bipropellant was con...
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Stefania Carlotti and Filippo Maggi
Conventional storable bipropellants make use of hydrazine and its derivatives as fuels and nitrogen tetroxide as an oxidizer. In recent years, the toxicity character of these chemicals pushed the propulsion community towards ?green? alternatives. Several...
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Abdalrahman Khaled Mohammad, Charles Sumeray, Maximilian Richmond, Justin Hinshelwood and Aritra Ghosh
This study explored the applications of liquid hydrogen (LH2) in aerospace projects, followed by an investigation into the efficiency of ramjets, scramjets, and turbojets for hypersonic flight and the impact of grey, blue, and green hydrogen as an altern...
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Simone La Luna, Nicola Foletti, Luca Magni, Davide Zuin and Filippo Maggi
In the field of space propulsion, self pressurized technology is an example of innovation capable of improving system performances through reduction of volumes and other optimizations. Potential applications are widespread and not limited to the propulsi...
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Ahmed E. S. Nosseir, Angelo Cervone and Angelo Pasini
Current research trends have advanced the use of ?green propellants? on a wide scale for spacecraft in various space missions; mainly for environmental sustainability and safety concerns. Small satellites, particularly micro and nanosatellites, evolved f...
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Asad Rahman, Jitkai Chin and Kean How Cheah
Ammonium Dinitramide (ADN) in its generic form has a long needle shaped structure, which hinders higher solid loading. Therefore, it is of utmost importance to optimize its crystal morphology into octagonal shapes. Moreover, the low critical humidity lev...
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