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Improved thermal stability and flame retardancy of soybean oil-based polyol rigid polyurethane foams modified with magnesium borate hydroxide and ammonium polyphosphate [PDF]

open access: yesScientific Reports
The concept of sustainable development has led to a growing research interest in bio-based flame-retardant polyurethane foams. These foams offer environmentally friendly, sustainable, and flame-retardant raw materials for the construction, automotive ...
Xu Zhang   +4 more
doaj   +2 more sources

Civil Aircraft Man-machine Interaction Scenario Design for Crew Workload Airworthiness Verification

open access: yesHangkong gongcheng jinzhan, 2022
The design of effective civil aircraft man-machine interactive airworthiness verification scenarios is the basis for the implementation of crew workload verification.
CHEN Nongtian, MAN Yongzheng, LI Junhui
doaj   +1 more source

Economic Analysis Model of Continuous Airworthiness of Commercial Aircraft

open access: yesHangkong gongcheng jinzhan, 2022
A certain type of civil aircraft made in China is delivered and operated successively since 2015,and a large number of continuous airworthiness events and data are accumulated,but there is a lack of quantitative evaluation mechanism for economic analysis
WANG Yanling, SONG Wenbin
doaj   +1 more source

Research on the Airworthiness Verification Method of HIRF Protection for the CCAR23 Aircraft

open access: yesHangkong gongcheng jinzhan, 2021
In order to obtain the operating permit in the high-intensity radiation field (HIRF) environment, the civil aircraft must carry out the protection design and airworthiness verification in accordance with the airworthiness provisions related to the ...
LI Mingqiao, FU Chang, YAN Bing
doaj   +1 more source

Harmonising and standardising military airworthiness in Europe: a review of key aspects and achievements

open access: yesAeronautical Journal, 2023
The distinct operational characteristics of military aircraft, relative to civil aircraft, have impeded the standardisation of airworthiness management practice across Europe.
M. Pittini, K. Kourousis
semanticscholar   +1 more source

Study on Wire and Cable's Fire Resistance Airworthiness for Civil Aircraft

open access: yesHangkong gongcheng jinzhan, 2021
The wire and cable as the important material of aircraft, its quality of fire resistance performance influences the safety of aircraft. The requirement of wire and cable's fire resistance performance in airworthiness regulation CCAR-25-R4 is analyzed ...
LI Longbin, SUI Lijun
doaj   +1 more source

Airworthiness Compliance Verification of Bird Strike on Civil Aircraft Windshield Frame

open access: yesJournal of Physics: Conference Series, 2023
With the frequent occurrence of bird strikes, minimizing the impact damage effect of birdstrike on flight always is the goal of airworthiness certification.
Lan Xing Hai
semanticscholar   +1 more source

Research on airworthiness test technology of radiation emission in civil aircraft flight control electronic system

open access: yesXibei Gongye Daxue Xuebao, 2022
It is the first time that domestic civil large aircraft has been developed, which lacks the technical experience of airborne system-level airworthiness qualification, and the research of radiation emission at home and abroad is mainly based on simulation
LU Kuan   +4 more
doaj   +1 more source

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