Results 11 to 20 of about 1,306,417 (313)

UAV airborne collision to manned aircraft engine: Damage of fan blades and resultant thrust loss

, 2021
Recently, the growing amount of unmanned aerial vehicles (UAVs) has brought a huge threat to the safety management of manned aircraft operation, in which the UAV airborne collision is an incident that would lead to serious damage to the manned aircraft ...
Hu Liu, Mohd Hasrizam Che Man, K. Low
semanticscholar   +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

AIP 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

Hangkong 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

Effects of biofuels properties on aircraft engine performance [PDF]

, 2015
Purpose-The purpose of this paper is to examine the effects of heat capacity and density of biofuels on aircraft engine performance indicated by thrust and fuel consumption.
Kipouros, Timos, Mazlan, Nurul Musfirah, Savill, Mark A.   +2 more
core   +1 more source

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

Journal 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, HOU Huipeng, PENG Shuang, WANG Jie, WANG Yin, LEI Liming   +5 more
doaj   +1 more source

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

Aerospace, 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, Chengcheng Zhang, Yankai Li, Hai Shen, Dehan Zhang, Xudong Yu, Ying Zhang   +6 more
doaj   +1 more source

Comparison of standardized sampling and measurement reference systems for aircraft engine non-volatile particulate matter emissions

Journal of Aerosol Science, 2020
The International Civil Aviation Organization has established new regulatory standards for emissions certification of non-volatile particulate matter (nvPM) from aircraft turbine engines.
P. Lobo, L. Durdina, B. Brem, A. Crayford, Mark P. Johnson, G. Smallwood, Frithjof Siegerist, P. Williams, Elizabeth A. Black, Andrea Llamedo, K. Thomson, M. Trueblood, Zhen-Dong Yu, D. Hagen, P. Whitefield, R. Miake-Lye, T. Rindlisbacher   +16 more
semanticscholar   +1 more source

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

MATEC 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, Matveev Valery, Baturin Oleg, Novikova Julia, Kolmakova Daria, Volkov Andrei   +5 more
doaj   +1 more source

Collaborative Aircraft Engine Preliminary Design using a Virtual Engine Platform, Part A: Architecture and Methodology

AIAA Scitech 2020 Forum, 2020
As in many other industries, the sector of aircraft engines and gas turbines is also undergoing a change towards digitalization. The intention is to make digital technologies applicable over the entire life cycle of the product and thus improve planning,
S. Reitenbach, Maximilian Vieweg, R. Becker, Carsten Hollmann, F. Wolters, Jens Schmeink, T. Otten, M. Siggel   +7 more
semanticscholar   +1 more source

Remaining Useful Life Prediction of an Aircraft Turbofan Engine Using Deep Layer Recurrent Neural Networks

Actuators, 2022
The turbofan engine is a pivotal component of the aircraft. Engine components are susceptible to degradation over the life of their operation, which affects the reliability and performance of an engine.
Unnati Thakkar, H. Chaoui
semanticscholar   +1 more source