Results 1 to 10 of about 140 (74)
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
doaj +3 more sources
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 +3 more sources
Experimental investigation of the parameters of additively manufactured coaxial swirl injectors [PDF]
Challenges and Issues of Modern Science, 2023 Modern development of the intense competition on the market of Liquid Propellant Rocket Engines (LPRE) is mostly driven by occurrence of many private space companies, crowdfunding space projects, etc., which inevitably leads engineers to seeking of ...
Samir Vekilov +3 more
doaj +2 more sources
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
doaj +3 more sources
Applied Sciences, 2022 This paper compares various optimization techniques and objective functions to obtain optimum rocket engine performances. This research proposes a modular optimization framework that provides an optimum design for Gas Generator (GG) and Staged Combustion
Suniya Sadullah Khan +5 more
doaj +1 more source
Study and design of a low cost cooled nozzle through metal additive manufacturing [PDF]
, 2021 State of the art rocket engines are reaching performance levels that have become limited by the available manufacturing techniques. With a great focus on these engines’ efficiency, rocket engine producers are focusing on increasing combustion chamber ...
Juan Marí, Héctor
core +2 more sources
Role of precombustion chamber design in feed-system coupled instabilities of hybrid rockets [PDF]
, 2020 Oxidizer feed-system coupled instabilities have been observed in several liquid and hybrid propellant rocket engines, although they are not likely to be catastrophic for the latter.
Andrianov, A +7 more
core +1 more source
Chebyshev super spectral viscosity method for water hammer analysis
Propulsion and Power Research, 2013 In this paper, a new fast and efficient algorithm, Chebyshev super spectral viscosity (SSV) method, is introduced to solve the water hammer equations. Compared with standard spectral method, the method's advantage essentially consists in adding a super ...
Hongyu Chen +3 more
doaj +1 more source
MATEC Web of Conferences, 2017 Focusing on Liquid Propellant Rocket Engine (LPRE) major components, a steady state modular simulation software has been established in MATLAB Simulink. For integrated system analysis, a new algorithm dependant on engine inlet mass flow rate and pressure
Naderi Mahyar +2 more
doaj +1 more source
An MPC Approach to Transient Control of Liquid-Propellant Rocket Engines [PDF]
, 2019 International audienceThe current context of launchers reusability requires the improvement of control algorithms for their liquid-propellant rocket engines. Their transient phases are generally still performed in open loop. In this paper, it is aimed at
Farago, François +7 more
core +4 more sources