Results 21 to 30 of about 1,277,064 (238)

Fatigue Crack Propagation Path and Life Prediction Based on XFEM

open access: yesXibei Gongye Daxue Xuebao, 2019
Based on the theory of linear elastic fracture mechanics, the relationships between material constants c3, c4 required in Abaqus and constants C, m in Paris formula are derived.

doaj   +1 more source

Research Progress of Numerical Simulation Methods for Civil Aircraft Ditching

open access: yesHangkong gongcheng jinzhan, 2022
Aircraft ditching is an emergency landing scenario that must be considered in aircraft design.Summarizing the research methods for the numerical simulation of ditching can provide the support for ditching analysis of civil aircraft design.The research ...
LUO Wenli, CHEN Shuyong, CHEN Baoxing
doaj   +1 more source

The Parametric Aircraft Noise Analysis Module - status overview and recent applications [PDF]

open access: yes, 2011
The German Aerospace Center (DLR) is investigating aircraft noise prediction and noise reduction capabilities. The Parametric Aircraft Noise Analysis Module (PANAM) is a fast prediction tool by the DLR Institute of Aerodynamics and Flow Technology to ...
Bertsch, Lothar   +3 more
core   +1 more source

Piezoelectric Transducer-Based Structural Health Monitoring for Aircraft Applications

open access: yesItalian National Conference on Sensors, 2019
Structural health monitoring (SHM) is being widely evaluated by the aerospace industry as a method to improve the safety and reliability of aircraft structures and also reduce operational cost.
X. Qing, Wenzhuo Li, Yishou Wang, Hu Sun
semanticscholar   +1 more source

Electrical Power Generation in Aircraft: Review, Challenges, and Opportunities

open access: yesIEEE Transactions on Transportation Electrification, 2018
The constant growth of air traffic, the demand for performance optimization, and the need for decreasing both operating and maintenance costs have encouraged the aircraft industry to move toward more electric solutions.
V. Madonna, P. Giangrande, M. Galea
semanticscholar   +1 more source

Electric Power Systems in More and All Electric Aircraft: A Review

open access: yesIEEE Access, 2020
Narrow body and wide body aircraft are responsible for more than 75% of aviation greenhouse gas (GHG) emission and aviation, itself, was responsible for about 2.5% of all GHG emissions in the United States in 2018.
Ashkan Barzkar, M. Ghassemi
semanticscholar   +1 more source

Design method of interface clearance for civil aircraft door

open access: yesHangkong gongcheng jinzhan, 2023
The door and frame of civil aircraft transfer loads through face-to-face contact between interface parts,while the interface clearance affects the load distribution, thus it is quite crucial for flight safety.
LYU Xiongfei   +2 more
doaj   +1 more source

A Review of Concepts, Benefits, and Challenges for Future Electrical Propulsion-Based Aircraft

open access: yesAerospace, 2020
Electrification of the propulsion system has opened the door to a new paradigm of propulsion system configurations and novel aircraft designs, which was never envisioned before.
Smruti Sahoo, Xin Zhao, K. Kyprianidis
semanticscholar   +1 more source

Experimental research on effect of opening configuration and reinforcement method on buckling and strength analyses of spar web made of composite material

open access: yesScience and Engineering of Composite Materials, 2021
This study experimentally investigates the effect of the opening configuration on the buckling stability and bearing performance of a structural beam web used in a commercial aircraft made of composite materials.
Sen Lin, Chenxi Li, Ying Hu, Hao Cong
doaj   +1 more source

Future of Electrical Aircraft Energy Power Systems: An Architecture Review

open access: yesIEEE Transactions on Transportation Electrification, 2021
This article presents an in-depth analysis of all electric-aircraft (AEA) architectures. This work aims to provide a global vision of the current AEA state of the art, to estimate the main technological gaps and drivers, and to identify the most ...
Tania C. Cano   +6 more
semanticscholar   +1 more source

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