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Research and Development of Fault Diagnosis Methods for Liquid Rocket Engines

open access: yesAerospace, 2022
Currently, considerable efforts are being focused on the development of reusable rockets and smart rockets due to the heavy requirements of future next-generation aerospace transportation.
Tao Wang, Lin Ding, Huahuang Yu
doaj   +2 more sources

Research on thermomechanical fatigue life prediction of regenerative cooling thrust chamber

open access: yesXibei Gongye Daxue Xuebao, 2022
The ratcheting effect of the liner wall structure in the thrust chamber of liquid rocket engine under cyclic load is studied, and its service life is predicted.
HUANG Junfeng   +4 more
doaj   +1 more source

Use of cryogenic components of propellants for liquid-propellant rocket engines and in life support systems of manned space vehicles [PDF]

open access: yesMATEC Web of Conferences, 2020
The cited materials show the use of oxygen, hydrogen, liquefied natural gases (methane) and fluorine as components of the fuel for liquid-propellant rocket engines (LRE). The reasons for the need to use oxygen as an oxidizing agent are indicated.
Orlin Sergei A.
doaj   +1 more source

The Load Spectrum Compilation of Engine Vibration Fatigue Based on Frequency Rain-flow Counting Method

open access: yesHangkong gongcheng jinzhan, 2021
The traditional rain-flow counting method is suitable for conventional fatigue load calculation, and cannot retain the frequency information of vibration fatigue. Frequency is very important for vibration fatigue.
LI Binchao, TANG Jing, YIN Zhiping
doaj   +1 more source

Anaerobic external combustion thermal engines [PDF]

open access: yesОмский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение", 2019
Anaerobic engines are air-independent engines used in rocket and space technology, in submarines and in regular public service facilities. In rocket and space technology, liquid and solid rocket and jet engines are used.
V. I. Karagusov
doaj   +1 more source

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

open access: yesВестник 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   +1 more source

Emission-Driven Hybrid Rocket Engine Optimization for Small Launchers

open access: yesAerospace, 2022
Hybrid rocket engines are a green alternative to solid rocket motors and may represent a low-cost alternative to kerosene fueled rockets, while granting performance and control features similar to that of typical storable liquid rocket engines.
Lorenzo Casalino   +3 more
doaj   +1 more source

Regenerative Cooling Comparison of LOX/LCH4 and LOX/LC3H8 Rocket Engines Using the One-Dimensional Regenerative Cooling Modelling Tool ODREC

open access: yesApplied Sciences, 2023
Due to the extreme temperatures inside the combustion chambers of liquid propellant rocket engines, the walls of the combustion chamber and the nozzle are cooled by either the fuel or the oxidizer in what is known as regenerative cooling.
Yigithan Mehmet Kose, Murat Celik
doaj   +1 more source

Transcritical Behavior of Methane in the Cooling Jacket of a Liquid-Oxygen/Liquid-Methane Rocket-Engine Demonstrator

open access: yesEnergies, 2022
The successful design of a liquid rocket engine is strictly linked to the development of efficient cooling systems, able to dissipate huge thermal loads coming from the combustion in the thrust chamber.
Daniele Ricci   +2 more
doaj   +1 more source

Ablation performance of 3D C/SiC composite nozzles under double-component liquid power environment

open access: yesCailiao gongcheng, 2022
In order to explore the ablation characteristics of C/SiC ceramic composite nozzles in the working environment of liquid rocket engines, 3D C/SiC composite nozzle was prepared by the precursor impregnation pyrolysis(PIP) process, and the ablation test of
BAI Longteng   +4 more
doaj   +1 more source

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