Results 71 to 80 of about 67,829 (315)
Development Status of the L75: A Brazilian Liquid Propellant Rocket Engine
Journal of Aerospace Technology and Management, 2014 This paper provides an overview of the design and development process of the L75 Liquid Propellant Rocket Engine (LPRE). Being developed at Institute of Aeronautics and Space (IAE), it is the first Brazilian open-cycle liquid rocket engine pressurized by
Daniel Soares de Almeida +1 more
doaj
Journal of the American Ceramic Society, EarlyView.➢ A one‐step selective laser reaction pyrolysis (SLRP) technique was developed to rapidly synthesize hafnium carbide (HfC) from liquid polymer precursors. ➢ XRD and TEM confirmed the nanocrystalline structure of the HfC. ➢ The SLRP‐based process achieved up to 54% ceramic yield, 18% higher than furnace‐based methods.
Shalini Rajpoot +3 more
wiley +1 more source
, 2022 Project Juno is a modular, liquid bi-propellant rocket engine being developed to serve as an experimental test bed for future liquid rocket engines. Its modular nature allows for the experimentation of a wide variety of engine geometries over numerous ...
Sirota, Devin
core +1 more source
Policy &Internet, Volume 17, Issue 2, June 2025.ABSTRACT The article argues that the European Central Bank's (ECB) regulatory stance toward cryptocurrencies was underpinned by efforts to preserve legitimacy and monetary sovereignty. Triangulating a content analysis on the ECB's policy statements on cryptocurrencies, examination of European macroeconomic data, and price dynamic analysis of Bitcoin ...
Anson Au
wiley +1 more source
Space engine safety system [PDF]
A rocket engine safety system was designed to initiate control procedures to minimize damage to the engine or vehicle or test stand in the event of an engine failure. The features and the implementation issues associated with rocket engine safety systems
Maul, William A., Meyer, Claudia M.
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Journal of Geophysical Research: Planets, Volume 130, Issue 6, June 2025.Abstract This study investigates Hack crater in Arabia Terra on Mars, which exhibits remarkable water‐related landforms, suggesting a period of intense water activity despite lacking a connection with large‐scale fluvial networks. Instead, short valleys within its walls display morphologies indicative of mass‐wasting processes driven by groundwater ...
B. De Toffoli +3 more
wiley +1 more source
Injector element characterization methodology [PDF]
Characterization of liquid rocket engine injector elements is an important part of the development process for rocket engine combustion devices. Modern nonintrusive instrumentation for flow velocity and spray droplet size measurement, and automated ...
Cox, George B., Jr.
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Journal of Aerospace Technology and Management, 2011 This paper presents the activities in the area of liquid propulsion, which received an effective boost at the end of the 90s.
Marco F. Carvalho Torres +4 more
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Viability of an Electrically Driven Pump-Fed Hybrid Rocket for Small Launcher Upper Stages
Aerospace, 2019 An electrically driven pump-fed cycle for a hybrid rocket engine is proposed and compared to a simpler gas-pressurized feed system. A liquid-oxygen/paraffin-based fuel hybrid rocket engine which powers the third stage of a Vega-like launcher is ...
Lorenzo Casalino +2 more
doaj +1 more source
Analysis of low-thrust liquid rocket engines with a methane air pump unit
Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2016 The first airplane working on cryogenic fuel was developed in the USSR in early 1980s on the basis of the passenger aircraft Tu-154. It was then modified using a hydrogen engine installed instead of one of the three kerosene engines.
A. I. Ivanov +2 more
doaj +1 more source