Results 21 to 30 of about 39,486 (297)
The design and performance on 200N-class bipropellant rocket engine using decomposed H2O2 and Kerosene [PDF]
INCAS Bulletin, 2019 Mono-propellant thrusters are widely utilized in satellites and space launchers. In many cases, they are using hydrazine as a propellant. However, hydrazine has high toxicity and high risks in using for launch campaign.
Yang-Suk LEE, Jun Hwan JANG
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FirePhysChem, 2021 This paper presents the status of developments worldwide regarding use of hybrid rocket motors for space transportation. Historical roots are presented and reasons for revisiting hybrid technology after a few decades of limited interest are examined ...
Adam Okninski +3 more
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Concept and Key Technology Analysis of Electric Pump-Fed Liquid Propellant Rocket Engine
, 2021 Electric pump-fed liquid propellant rocket engine is an engine that uses electric pumps for propellant supply and cooling cycle. The engine breaks through the traditional pressurization mode of using inert gas to squeeze the propellant or gas-driven ...
Yang Liu +4 more
semanticscholar +1 more source
Technology for Obtaining Tangential Holes in the Shell of the Combustion Chamber of a Liquid Propellant Rocket Engine [PDF]
E3S Web of Conferences, 2023 Method of obtaining tangential holes in the shell of a combustion chamber of liquid-propellant rocket engine is presented in this article. Advantages and disadvantages of technologies for making small diameter holes are consired. The developed technology
Ryazantsev Alexander +2 more
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Study of unusable liquid propellant residues evaporation processes parameters in the tanks of launch vehicle worked-off stage in microgravity [PDF]
Омский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение", 2019 A method is proposed for studying the evaporation process of unusable rocket propellant residues in worked-off stage under weightless conditions. Two options are considered as boundary conditions for liquid rocket propellant residues: a) liquid drop ...
V. I. Trushlyakov, V. A. Urbansky
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Data in Brief, 2021 About 500 experimental heat transfer data taken from the open literature and relevant to the most thermally solicited area (i.e., the throat region) of liquid rocket engine thrust chambers, are collected and manipulated. This collection is the outcome of
Marco Pizzarelli
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Fault Diagnosis in Partially Observable Petri Nets with Quantum Bayesian Learning
Applied Sciences, 2023 This paper investigates the quantum Bayesian probability estimation of fault diagnosis based on Partially Observable Petri Nets (POPN) for a liquid-propellant rocket engine system.
Jiufu Liu +3 more
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Aerospace, 2022 Vertical takeoff and vertical landing (VTVL) vehicles, based on throttling liquid rocket engines, are attracting increasing attention for their validation of guidance and control techniques during landing.
Yang Liu +5 more
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Aerospace, 2021 The present work focuses on the development of new mathematical and numerical tools to deal with wave propagation problems in a realistic liquid rocket chamber environment.
Simone D’Alessandro +2 more
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Model-Based Robust Transient Control of Reusable Liquid-Propellant Rocket Engines
IEEE Transactions on Aerospace and Electronic Systems, 2020 Reusable liquid-propellant rocket engines (LPREs) imply more demanding robustness requirements than expendable ones due to their extended capabilities. Therefore, the goal of this article was to develop a control loop adapted to all the operating phases ...
Sergio Pérez-Roca +6 more
semanticscholar +1 more source