Results 11 to 20 of about 11,282 (264)

ON THE STABILITY OF THE STABILIZED MOTION OF A CARRIER ROCKET WITH A LIQUID-PROPELLANT JET ENGINE AND AN ONBOARD DIGITAL COMPUTER IN THE STABILIZATION LOOP

open access: diamondСучасні інформаційні системи, 2022
The problem of choosing the values of the variable parameters of the digital stabilizer of the cosmic stage of a carrier rocket with a liquid-propellant jet engine and an onboard digital computer in the stabilization loop, which ensures stable movement ...
Eugene Aleksandrov   +3 more
doaj   +3 more sources

Evaluation of the high-frequency oscillation parameters of a liquid-propellant rocket engine with an annular combustion chamber [PDF]

open access: bronze, 2021
The high-frequency instability (HF instability) of a liquid-propellant rocket engine (LPRE) during static firing tests is often accompanied by a significant increase in dynamic loads on the combustion chamber structure, often leading to the chamber ...
O. Nikolayev   +3 more
semanticscholar   +2 more sources

Concept and Key Technology Analysis of Electric Pump-Fed Liquid Propellant Rocket Engine

open access: diamond, 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   +2 more sources

Simulation of the processes of spraying and combustion of kerosene and liquid oxygen in the chamber of a liquid-propellant rocket engine

open access: diamondВестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение
The paper presents the results of simulation of spray and combustion processes in the liquid-propellant rocket engine chamber using the z77 reduced kinetic mechanism of chemical reactions and a hybrid method for determining spray parameters of a swirl ...
M. N. Senchev   +4 more
doaj   +3 more sources

Off-Design Combustion in Liquid-Propellant Rocket Engine with High-Frequency Instability

open access: diamondTransactions of the Japan Society for Aeronautical and Space Sciences, 2019
High-frequency combustion instability is one of the traditional problems of liquid-propellant rocket engines. It damages and melts the engines instantaneously.
T. Kanda
semanticscholar   +3 more sources

The structure of knowledge base to support the development of low-thrust liquid-propellant rocket engines based on computer technologies

open access: diamondВестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2022
Some data on the knowledge base to support the development of low-thrust liquid-propellant rocket engines using computer technologies are presented. The structure of the base is proposed on the basis of characteristic features of engines, including the ...
V. V. Ryzhkov
doaj   +3 more sources

Analysis of properties of inertia regulator of thrust control system of liquid rocket engine [PDF]

open access: yesОмский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение", 2021
The quality of the flight task of a space rocket system is determined among other things by the accuracy of maintaining and regulating the thrust of the rocket engine.
M. M. Dron, A. B. Yakovlev
doaj   +1 more source

Investigation of a Radial Turbines Compatibility for Small Rocket Engine [PDF]

open access: yesE3S Web of Conferences, 2020
In the radial turbine preliminary design for an expander rocket engine, a comparison was made with axial turbine used in Pratt & Whitney RL10 engine. One of the primary requirements of a liquid propellant rocket engine is the generation of a high thrust,
Leto Angelo
doaj   +1 more source

Reduction of the Pressurization System Final Mass for a Modern Rocket Launcher [PDF]

open access: yesJournal of Aerospace Technology and Management, 2022
The work focuses on optimizing the pressurization system’s operating performance for a fuel tank of a turbo-pumped liquid propellant rocket engine. This system is the most complex and expensive in a medium-size launch vehicle, after the engine.
Yurii Mitikov, Olexiy Shynkarenko
doaj   +3 more sources

Combustion Instabilities and its Control Techniques for Liquid Propellant Rocket Engine

open access: yesInternational Journal of Vehicle Structures and Systems, 2023
It is a great challenge for us to understand and to predict the concept of liquid propellant rocket engines combustion instability due to high complex turbulent combustion process.
V. Siva, R. Sivakumar, L. Dinesh Prasaad
semanticscholar   +1 more source

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