Development, Validation, and Performance Evaluation of An Air-Driven Free-Piston Linear Expander Numerical Model

Raheem, Ahmed T.; Aziz, A. Rashid A.; Zulkifli, Saiful A.; Rahem, Abdalrazak Tareq; Ayandotun, Wasiu B

doi:10.5109/4774218

Cited by 1 publication

(1 citation statement)

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“…Along with the origin of cryogenic rocket engines in the early 1950s, former Soviet Union and the US's fundamental efforts to analyse the combustion dynamic of these systems were evident. They were completely dependent on manual experimental data, trial and error procedures, and primitive analytical tools, because the optical imaging, computing power, numerical approaches 33) and other modern techniques were all in their infancy at the time 34) . In cryogenic engines such as the RL-10 and J2, using multitube concentric-orifice element injectors 35) completely eliminated the challenge of instabilities.…”

Section: Combustion Dynamics and Instabilitymentioning

confidence: 99%

A Review on Advancements and Characteristics of Cryogenic Propulsion Rocket Engine

R¹,

Jeyan²

2023

Evergreen

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Future space exploration missions will require the synergistic integration of potentially lightweight, high thrust producing, and environmentally sustainable rocket engines. This article guides through one such capable rocket engine, the cryogenic propulsion rocket engine and some cutting-edge characteristics and novel engineering advancements affiliated with it. A typical cryogenic-propulsion rocket engine works similarly to all other LPRE's (Liquid Propellant Rocket Engines), in which the primary fluid (Cryogenic fuel 1) reacts chemically to get vaporized and get ignited by an oxidizer to provide extremely hot rocket thrust that escapes the engine nozzle and generates thrust from the combustion process. Considerable efforts have been made to optimize the engine's performance and reliability in order to utilize the most desirable output from it. Therefore, a brief overview of the different models and research approaches associated with it to provide predictions and results about the stability, dynamics, and cooling characteristics of the given engine configuration is presented.

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Section: Combustion Dynamics and Instabilitymentioning

confidence: 99%