Results 1 to 10 of about 179,421 (367)

Analysis of Entropy Generation and Potential Inhibition in an Aeroengine System Environment

open access: yesInternational Journal of Aerospace Engineering, 2022
From a system perspective, the entropy generation of an aeroengine is directly related to the thermal efficiency when the Brayton cycle pressure ratio and maximum temperature remain constant.
Xiaojing Liu   +6 more
doaj   +1 more source

Poisson effects of 2D-C/SiC composite under axial loading conditions

open access: yesCailiao gongcheng, 2021
By using monotonic and cyclic loading tests, the Poisson curves along the fiber bundles directions of a 2D-C/SiC composite were obtained during various axial tensile and compressive loading processes.
GUO Hong-bao   +3 more
doaj   +1 more source

Numerical and experimental study of flow structure and heat release distribution in a stratified swirl flame with high-speed PIV and OH* measurements

open access: yesAIP Advances, 2021
Stratified swirled flame is widely used in gas turbines and aero engines to achieve low emissions. However, the limitation of implementing laser diagnostic in real combustors acquires more accurate measurements of field information in the flame ...
Sheng Meng, Shizhi Wu, Man Zhang
doaj   +1 more source

Research on Type Design and Compliance Verification Method of ETOPS for Civil Aircraft Engine

open access: yesHangkong gongcheng jinzhan, 2022
Aircraft engine extended operations(ETOPS)eligibility is the basis for aircraft extended operations. In order to provide the guide for the domestic aircraft engine ETOPS type design and airworthiness compliance verification,the formation process of the ...
LI Haoran, LEI Yansheng, GONG Haowei
doaj   +1 more source

Anisotropy of Microstructure and Mechanical Properties of Hastelloy X Alloy Produced by Selective Laser Melting

open access: yesJournal of Aeronautical Materials, 2018
Selective laser melting (SLM) was used to fabricate Hastelloy X alloy. The characteristics of grains and precipitates in Hastelloy X alloy processed by heat treatments (HT) and hot isostatic pressing (HIP) was analyzed.
ZHANG Yongzhi   +5 more
doaj   +1 more source

A Review of Non-Destructive Evaluation (NDE) Techniques for Residual Stress Profiling of Metallic Components in Aircraft Engines

open access: yesAerospace, 2022
Residual stresses are one of the main factors determining the failure of aircraft engine materials. It is not possible to reliably and accurately predict the remaining service life of aircraft engine components without properly accounting for the ...
Zhaoyu Shao   +6 more
doaj   +1 more source

Selection of Parameters for 3D Finite-volume Mesh for CFD Simulation of Axial Turbines

open access: yesMATEC Web of Conferences, 2018
This article describes the second part of the global work done by the authors aimed at finding the best settings for a numerical model for calculations of axial uncooled turbines using the RANS approach.
Popov Grigorii   +5 more
doaj   +1 more source

Optimization of Powerful Two-stage Screw Centrifugal Pump

open access: yesMATEC Web of Conferences, 2018
The article presents a refining method for a two-stage screw centrifugal pump by the joint usage of mathematical optimization software IOSO, meshing complex NUMECA and CFD software ANSYS CFX.
Baturin Oleg   +5 more
doaj   +1 more source

Vibration Test of Blade Disc of High Pressure Turbine in High Rotating Speed

open access: yesHangkong gongcheng jinzhan, 2021
In the high-speed rotating state, the experimental study on the vibration characteristics of high-pressure turbine rotor blade and the vibration reduction effect of flange damping device is beneficial to the later design iteration and obtain the real ...
LUO Li, HUANG Dayong
doaj   +1 more source

Probabilistic Failure Risk of Aeroengine Life-Limited Parts Considering the Random Load Interference Effect

open access: yesAerospace, 2023
Probabilistic failure risk analysis of aeroengine life-limited parts is of great significance for flight safety. Current probabilistic failure risk analysis uses equal amplitude load calculations for conservative estimation, avoiding inclusion of the ...
Guo Li   +6 more
doaj   +1 more source

Home - About - Disclaimer - Privacy