Upper Stage Liquid Propellant Rocket Engine: A Case Analysis [PDF]
Journal of Aerospace Technology and Management, 2021 This paper provides an overview of the design and development process for the L75 liquid propellant rocket engine (LPRE) foreseen as upper stage of a satellite launch vehicle application.
Daniel Soares de Almeida +2 more
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A Numerical Approach to Optimize the Design of a Pintle Injector for LOX/GCH4 Liquid-Propellant Rocket Engine [PDF]
Aerospace, 2023 This study presents an optimal design approach of a pintle injector for a deep throttlable liquid-propellant rocket engine (LPRE). Even though the pintle injector is used in rocket engines, it has become more important since reusable launch vehicles ...
Jihyoung Cha +2 more
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Thermostructural Numerical Analysis of the Thrust Chamber of a Liquid Propellant Rocket Engine. [PDF]
Materials (Basel), 2022 The numerical simulation of rocket engine thrust chambers is very challenging as several damaging phenomena, such as plasticity, low-cycle-fatigue (LCF) and creep occur during its service life.
Citarella R +3 more
europepmc +2 more sources
Verification of a hydrodynamic model of a liquid-propellant rocket engine’s cavitating pumps using experimental and theoretical pump transfer matrices [PDF]
Technical mechanics, 2020 Cavities at the pump inlet may lead to inadmissible cavitation self-oscillations in the feed system of liquid-propellant rocket engines (LPREs) and to POGO instability if the oscillation frequency of the liquid is close to that of the rocket structure ...
S.I. Dolgopolov
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Particle-Filter-Based Fault Diagnosis for the Startup Process of an Open-Cycle Liquid-Propellant Rocket Engine. [PDF]
Sensors (Basel)This study introduces a fault diagnosis algorithm based on particle filtering for open-cycle liquid-propellant rocket engines (LPREs). The algorithm serves as a model-based method for the startup process, accounting for more than 30% of engine failures ...
Cha J, Ko S, Park SY.
europepmc +2 more sources
Development and analysis of simulation of liquid-propellant rocket engine pump head curve obtaining process [PDF]
Омский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение", 2021 The paper describes the model of the centrifugal pump head curve obtaining process which helps in consideration of the implementation of automated systems in liquid-propellant rocket engine manufacturing.
D. A. Savchin, V. P. Nazarov
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Mathematical simulation of the start of a multiengine liquid-propellant rocket propulsion system [PDF]
Technical mechanics, 2020 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.V. Pylypenkо +3 more
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Flexible Three-Dimensional Stress Sensor for Embedded Monitoring of Solid Rocket Propellant [PDF]
MicromachinesSolid rocket motors (SRMs) play a pivotal role in space exploration owing to their reliability and high thrust-to-weight ratios. SRM propellant health monitoring is in critical demand owing to the complex operational scenarios throughout the entire life ...
Yaoguang Shi +3 more
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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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Mehran University Research Journal of Engineering and Technology, 2019 Optimum characteristic length of the combustion chamber of liquid rocket engine is very important to get higher energy from the liquid propellants. Characteristic length is defined by the time required for complete burning of fuel.
Tajwali Khan, Ihtzaz Qamar
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