Concept and Key Technology Analysis of Electric Pump-Fed Liquid Propellant Rocket Engine
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]
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
doaj +1 more source
Study of unusable liquid propellant residues evaporation processes parameters in the tanks of launch vehicle worked-off stage in microgravity [PDF]
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
doaj +1 more source
Fault Diagnosis in Partially Observable Petri Nets with Quantum Bayesian Learning
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
doaj +1 more source
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
doaj +1 more source
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
doaj +1 more source
Model-Based Robust Transient Control of Reusable Liquid-Propellant Rocket Engines
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
Mathematical simulation of the start of a multiengine liquid-propellant rocket propulsion system
The need for a lower cost and a shorter time of liquid-propellant rocket engine (LPRE) development and production often leads to the decision to use bundles of multiple engines developed individually in launch vehicles’ sustainer liquid-propellant rocket
O. Pylypenko+3 more
semanticscholar +1 more source
The concept of reducing the man-made impact of launches of the promising Irtysh launch vehicle in the impact areas of the Baikonur cosmodrome [PDF]
Scientific and methodological approaches to minimizing the man-made impact of launches of promising carrier rockets of the «Irtysh» type by oxygen-kerosene main liquid-propellant rocket engines of the Baiterek rocket complex in areas of falling of the ...
B. T. Suimenbayev+4 more
doaj +1 more source
A Coupled Heat Transfer Calculation Strategy for Composite Cooling Liquid Rocket Engine
To better understand the characteristics of coupled heat transfer in liquid rocket engines, a calculation scheme is proposed in this paper. This scheme can simulate the coupled heat transfer processes, including combustion and flow in the thrust chamber,
Bo Xu+4 more
doaj +1 more source