Results 81 to 90 of about 923 (209)

Considerations on civil aircraft design assurance system review

Hangkong gongcheng jinzhan
The establishment and maintenance of a design assurance system（DAS）by the type certificate applicant is part of the requirements of CAAC airworthiness regulations, which has legal effect. Due to the late start of China's civil aviation industry, there is
MENG Xianzhang, LI Honglin, WANG Kai
doaj   +1 more source

A Study on the Airworthiness Certification Criteria of ROKA through the Analysis of the USA Airworthiness Certification Criteria

Journal of the Korea Academia-Industrial cooperation Society, 2023
Seong-Hun Kim, Kang-Hee Lim, Seung-Ju Shin, Kyung-Hwan Kang   +3 more
openaire   +1 more source

Effects of Different Materials and Structures on Mechanical Properties of Hail Used in Aviation Testing

Aerospace
Hail absorption test of aeroengine is one of the important components of airworthiness certification. The accurate test data are closely related to the density and mechanical properties of the artificial hail used in airworthiness tests.
Yewei Liu, Lifen Zhang, Xin Ge, Zhenxia Liu   +3 more
doaj   +1 more source

Effect of hygrothermal environment on mechanical properties and damage mechanism of CFRP

Cailiao gongcheng, 2019
The moisture absorption properties of carbon fiber reinforced plastics (CFRP) laminates treated with three kinds of hygrothermal environments (relative humidity 85% RH, temperature 25, 70, 85℃ respectively) were investigated by accelerated moisture ...
YANG Xu-dong, AN Tao, ZOU Tian-chun, GONG Tian-chen   +3 more
doaj   +1 more source

Comparison of Airworthiness Certification System between Korea and U.S. [PDF]

Journal of the Korean Society for Aeronautical & Space Sciences, 2008
From design to serial production, aircraft should go thorough complicated certification procedure from airworthiness authority such as Type Certificate, Production Certificate and Certificate of Airworthiness. On the other hand, aircraft components are mandated to receive Technical Standard Order Approval and Production Manufacture Approval before ...
openaire   +1 more source

Airworthiness Certification of Light Ejection Escape Equipment

Procedia Engineering, 2011
AbstractThe effective regulations or standards haven’t provided enough safety requirements for unusual design features of light ejection escape equipment installed on acrobatic aircraft. In this article, this certification problem was discussed. First the design features of normal ejection escape equipment are discussed, and then applicability of ...
openaire   +1 more source

Improving the continued airworthiness of civil aircraft : a strategy for the FAA's Aircraft Certification Service [PDF]

The National Research Council (NRC) was asked to conduct an independent assessment of the safety management process used by the Aircraft Certification Service of the Federal Aviation Administration (FAA) to define how the current process might be ...
National Research Council (U.S.). Committee on Aircraft Certification Safety Management
core  

Research on dynamic verification method of helicopter minimum flight crew based on Monte Carlo model

Hangkong gongcheng jinzhan
Scientifically verifying the rationality of the minimum flight crew configuration is a key issue in helicopter human factors airworthiness certification. To meet the development demands of operational efficiency and cost control in the aviation industry,
SONG Yong, XU Yuan, ZOU Yanzhang
doaj   +1 more source

Characterization of Thermal Runaway of Lithium Ternary Power Battery in Semi-Confined Space

Energies
In some new energy aircraft powered by lithium-ion batteries (LIBs), the LIBs operate in semi-confined spaces. Therefore, studying the thermal runaway (TR) characteristics of LIBs in such spaces is significant to safety research of new energy aircraft ...
Hai Xu, Chenghao Hou, Po Hu, Yanhe Chen
doaj   +1 more source

Surrogate Models and Related Combustion Reaction Mechanisms for a Coal-Derived Alternative Jet Fuel and Its Blends with a Traditional RP-3

Aerospace
Jet fuel from direct coal liquefaction (DCL) is an important alternative kerosene and represents a high-performance fuel for specific applications in civil applications.
Quan-De Wang, Lan Du, Bi-Yao Wang, Qian Yao, Jinhu Liang, Ping Zeng, Zu-Xi Xia   +6 more
doaj   +1 more source