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Modeling and Analysis of a LOX/Ethanol Liquid Rocket Engine

open access: goldJournal of Aerospace Technology and Management, 2018
This work studies the performance and dry mass of the under development LOX/Ethanol L75 liquid rocket engine. To this end, an object-oriented program written in C++ was developed.
Fábio Antônio da Silva Mota   +3 more
doaj   +6 more sources

A Method for Real-Time Fault Detection of Liquid Rocket Engine Based on Adaptive Genetic Algorithm Optimizing Back Propagation Neural Network [PDF]

open access: yesSensors, 2021
A real-time fault diagnosis method utilizing an adaptive genetic algorithm to optimize a back propagation (BP) neural network is intended to achieve real-time fault detection of a liquid rocket engine (LRE).
Huahuang Yu, Tao Wang
doaj   +2 more sources

Analysis of properties of inertia regulator of thrust control system of liquid rocket engine [PDF]

open access: diamondОмский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение", 2021
The quality of the flight task of a space rocket system is determined among other things by the accuracy of maintaining and regulating the thrust of the rocket engine.
M. M. Dron, A. B. Yakovlev
doaj   +2 more sources

Review on film cooling of liquid rocket engines

open access: yesPropulsion and Power Research, 2018
Film cooling in combination with regenerative cooling is presently considered as an efficient method to guarantee safe operation of liquid rocket engines having higher heat flux densities for long duration.
S.R. Shine, S.Shri Nidhi
doaj   +3 more sources

A Load-Carrying Capacity Evaluation Method for the Welded Joints of Rocket Engine Frame

open access: yesAerospace, 2023
The load-carrying capacities of welded joints need to be paid attention to in the design of the frame, which transfers the thrust generated by the rocket engine to the rocket body.
Yushan Gao   +3 more
doaj   +1 more source

Development Trend of Liquid Hydrogen-Fueled Rocket Engines (Part 1: Performance and Operation) [PDF]

open access: bronzeInternational Journal of Aeronautical and Space Sciences, 2022
Ha D, Roh T, Huh H, Lee H.
europepmc   +3 more sources

Exploring three-dimensional edge-based smoothed finite element method based on polyhedral mesh to study elastic mechanics problems

open access: yesXibei Gongye Daxue Xuebao, 2021
This paper established the three-dimensional edge-based smoothed finite element method(ES-FEM) based on polyhedral mesh, divided the smoothed domain, constructed the shape function and derived the geometric matrix and the stiffness matrix.

doaj   +1 more source

Numerical Study of the Effects of Injection Conditions on Rotating Detonation Engine Propulsive Performance

open access: yesAerospace, 2023
A three-dimensional upwind conservation element and solution element method (CESE) in cylindrical coordinates is first developed to effectively solve the unsteady reactive Euler equations governing a hydrogen–air rotating detonation engine (RDE) with ...
Lisong Shi   +5 more
doaj   +1 more source

A High-Precision Interpolation Method for Data Transfer in Fluid-Structure Interaction Analysis

open access: yesInternational Journal of Aerospace Engineering, 2022
In order to improve the precision of data transfer in fluid-structure interaction (FSI) analysis, this paper puts forward an improved inverse isoparametric mapping (IIM) method, which can improve the load transfer accuracy by means of increasing the ...
Xuehua Li   +3 more
doaj   +1 more source

The problem of combustion instability in liquid rocket engines

open access: yesChallenges and Issues of Modern Science
The purpose of this work is to carry out an overview on combustion instability in liquid propellant rocket engines, its classification, the main principles of occurrence as well as ways to prevent the phenomena while designing of the prospective engine.
Samir Vekilov   +2 more
doaj   +1 more source

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