Results 11 to 20 of about 1,179 (158)
Rocket Solid Propellant Alternative Based on Ammonium Dinitramide [PDF]
INCAS Bulletin, 2017 Due to the continuous run for a green environment the current article proposes a new type of solid propellant based on the fairly new synthesized oxidizer, ammonium dinitramide (ADN).
Grigore CICAN, Alexandru-Daniel MITRACHE
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Evaluating New Liquid Storable Bipropellants: Safety and Performance Assessments
Aerospace, 2022 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
Stefania Carlotti, Filippo Maggi
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Development of POLON—A Green Microsatellite Propulsion Module Utilizing 98% Hydrogen Peroxide
Aerospace, 2022 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).
Jakub Gramatyka +7 more
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Micromachines, 2022 In this paper, numerical simulations were used to study the decomposition and combustion processes inside the 0.2 N-class ADN-based thruster, and the effects of two geometrical parameters (length and diameter) of the combustion chamber on the combustion ...
Yangyang Hou +3 more
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Impact of Hydrogen Peroxide Concentration on Manganese Oxide and Platinum Catalyst Bed Performance
Aerospace, 2023 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.
Adrian Parzybut +2 more
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Design, Fabrication, and Test of a Cryogenic Liquid Oxygen-Ethanol Engine [PDF]
فصلنامه علوم و فناوری فضایی, 2022 The aim of the present research is to obtain the ability to use the cryogenic propellant engines on a laboratory scale. In this regard, it is necessary to build some experimental motors and investigate the their performance parameters.
Hojat Ghasemi +5 more
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Emission Characteristics of NOx During the Combustion of Waste Energetic Materials [PDF]
E3S Web of Conferences, 2023 A large amount of NOx will be produced during the combustion process of waste energetic materials (EMs), which is extremely harmful to human health and ecological environment, and has become an urgent problem for all countries to solve.
Wang ShouYu, Jin GuoRui, He WeiDong
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Quantitative Clarification of Stable Ignition Region for HKP110 Green Hypergolic Bipropellant
Aerospace, 2022 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.
Keigo Hatai, Taiichi Nagata
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Future Fuels—Analyses of the Future Prospects of Renewable Synthetic Fuels
Energies, 2019 The Future Fuels project combines research in several institutes of the German Aerospace Center (DLR) on the production and use of synthetic fuels for space, energy, transportation, and aviation.
Thomas Pregger +25 more
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The Role of Thrusters in Space Systems [PDF]
فناوری در مهندسی هوافضا, 2020 Spacecrafts, such as artificial satellites and space probes have small rockets called thrusters for orbital maneuvering, and satellite attitude control. These thrusters produce thrust by exhausting gases from their nozzles.
Sajjad Hosseinzadeh alqoo +1 more
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