Results 21 to 30 of about 67,829 (315)
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.
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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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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
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The problem of combustion instability in liquid rocket engines
Challenges and Volues 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.
Vekilov, Samir +2 more
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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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Life Analysis of Reusable Liquid Rocket Engine Thrust Chamber
Aerospace, 2022 The thrust chamber’s inner wall suffers high temperature and pressure differences from the coolant channel, which limits the life of the rocket engine.
Yuanjie Qi, Yuqiang Cheng, Yan Zhang
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Ablation performance of 3D C/SiC composite nozzles under double-component liquid power environment
Cailiao 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
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Thermostructural Numerical Analysis of the Thrust Chamber of a Liquid Propellant Rocket Engine. [PDF]
Materials (Basel), 2022 The numerical simulation of rocket engine thrust chambers is very challenging as several damaging phenomena, such as plasticity, low-cycle-fatigue (LCF) and creep occur during its service life.
Citarella R +3 more
europepmc +2 more sources