Results 51 to 60 of about 228,716 (275)

Thermal runaway safety analysis of eVTOL based on evidence theory and interval analysis

open access: yesXibei Gongye Daxue Xuebao
In order to ensure the safety of eVTOL, safety analysis of thermal runaway problem of lithium battery is needed. Due to insufficient failure data, a safety assessment method based on evidence theory and interval analysis is proposed.
WANG Peng   +3 more
doaj   +1 more source

Vehicle for civil helicopter ride quality research [PDF]

open access: yes, 1975
A research aircraft for investigating the factors involved in civil helicopter operations was developed for NASA Langley Research Center. The aircraft is a reconfigured 17000 kg (36000 lb) military transport helicopter.
Schlegel, R. G., Snyder, W. J.
core   +1 more source

Embedding Fiber Segment Interferometry for Localization of Defects in Composite Structures

open access: yesPolymer Composites, EarlyView.
Graphical representation of composite structures with embedded fiber optic sensors for structural health monitoring, enabling strain measurement and damage localization under mechanical loading. ABSTRACT In the area of structural health monitoring (SHM), embedding strain sensors into smart composites is a key strategy for detecting failures arising ...
Shiva Mohammadkarimi   +3 more
wiley   +1 more source

Prediction model for civil aircraft hard landing Informer neural network

open access: yesXibei Gongye Daxue Xuebao
The prediction of hard landing is of great significance to support the pilot's landing decision and ensure flight safety. Aiming at the short prediction time and poor explainability of the existing hard landing prediction models, the Informer hard ...
DONG Lei   +4 more
doaj   +1 more source

Analysis of Airworthiness Requirements for Emergency Evacuation Demonstration Test of Transport Aircraft

open access: yesHangkong gongcheng jinzhan, 2019
The emergency evacuation demonstration test of transport aircraft is an important testing link through the type certification. The test involves a large number of personnel and the items, and types of airworthiness certification check are complicated. In
Song Na   +3 more
doaj   +1 more source

High‐Altitude Hypoxemia in Adults With Sickle Cell Disease (SCD)

open access: yes
American Journal of Hematology, EarlyView.
Mofiyin A. Obadina   +4 more
wiley   +1 more source

An anatomy of fog over Nova Scotia under a ridge on 8 September 2021

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
Image from an aircraft traveling eastward at 1230 UTC (0930 Atlantic Daylight Time, ADT) on 8 September 2021. The view is to the southeast over the eastern coast of Nova Scotia. The leading head of the fog bank is in the image with its base on the sea surface.
Clive E. Dorman   +5 more
wiley   +1 more source

Research on Evaluation Method for Bird Impact Resistance of Civil Aircraft Side Panels

open access: yesTaiyuan Ligong Daxue xuebao
Purposes Bird impact resistance has always been one of the important testing factors for aircraft airworthiness. In order to explore the bird impact resistance performance of civil aircraft nose side panel, three methods of rivet failure ratio assessment,
ZHU Xiaolong   +5 more
doaj   +1 more source

Optimisation and improvement of transportation assembly model of civil aviation cargo aircraft

open access: yesThe Journal of Engineering, 2019
The rise of civil aviation cargo industry has greatly increased the speed of global logistics, and the relatively high cost and limited loading space of civil aviation aircraft determines that civil aviation aircraft companies need to optimise the cargo ...
Jing Zhang
doaj   +1 more source

Introduction of S5000F Specification and Its Application on Operational Reliability Analysis and Feedback of Civil Aircraft

open access: yesHangkong gongcheng jinzhan, 2020
Operational reliability is the basis of ensuring the safe and economic operation of civil aircraft, S5000F(international code for in service data and feedback) provides an opportunity for the systematic study of reliability analysis and feedback and life
FENG Yunwen   +3 more
doaj   +1 more source

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