Results 11 to 20 of about 69,089 (320)
A Load-Carrying Capacity Evaluation Method for the Welded Joints of Rocket Engine Frame
Aerospace, 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
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Xibei 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
Development Trend of Liquid Hydrogen-Fueled Rocket Engines (Part 1: Performance and Operation) [PDF]
International Journal of Aeronautical and Space Sciences, 2022 Ha D, Roh T, Huh H, Lee H.
europepmc +3 more sources
The problem of combustion instability in liquid rocket engines
Challenges and Issues of Modern ScienceThe 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
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Aerospace, 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
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A High-Precision Interpolation Method for Data Transfer in Fluid-Structure Interaction Analysis
International 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
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Aerospace, 2022 Internal flow field ablation is an important issue in thermal protection materials for rocket engines and hypersonic vehicles. In this paper, a new multiphase flow ablation test system, with an Al2O3 particle delivery device based on an oxygen-kerosene ...
Q. Su +6 more
semanticscholar +1 more source
A Study Using Optimized LSSVR for Real-Time Fault Detection of Liquid Rocket Engine
Processes, 2022 Health monitoring and fault diagnosis of liquid rocket engine (LRE) are the most important concerning issue for the safety of rocket’s flying, especially for the man-carried aerospace engineering. Based on the sensor measurement signals of a certain type
Peihao Huang, Huahuang Yu, Tao Wang
semanticscholar +1 more source
Hopf Bifurcation Analysis of the Combustion Instability in a Liquid Rocket Engine
Aerospace, 2022 The bifurcation process of self-sustained combustion instability pressure perturbations in a liquid rocket combustor is investigated based on the Helmholtz equations and a pressure dependent flame describing function. The modal frequency and growth rates
Xuanye Liang +3 more
semanticscholar +1 more source
Aerospace, 2022 The real-time fault detection and diagnosis algorithm of a liquid rocket engine is the basis of online reconfiguration of guidance and the control system of a launch vehicle, which is directly related to the success or failure of space mission.
Peihao Huang +5 more
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