Results 41 to 50 of about 2,450,106 (226)

Airworthiness study on civil aircraft engine operating characteristics

Hangkong gongcheng jinzhan
Engine operating characteristics of civil aircraft engines are one of the most basic and complex verification subjects in the airworthiness certification process of the Part 25 "airworthiness standard for transport aircraft" of China civil aviation ...
DENG Tianze, YANG Fei, ZHU Yan, QIU Jian, ZHONG Weixing   +4 more
doaj   +1 more source

Is That a Threat? How Types of Stakeholder and Reputational Threat Matter for Gaining Influence in Regulatory Rulemaking

Regulation &Governance, EarlyView.
ABSTRACT This paper assesses what type of comments are most useful to what type of stakeholder in gaining influence during public consultations. Theoretically, the paper approaches stakeholders' consultation comments as reputational threats from key audiences that the agency needs to respond to.
Rik Joosen
wiley   +1 more source

Durability and damage tolerance analysis methods for lightweight aircraft structures: Review and prospects

International Journal of Lightweight Materials and Manufacture, 2022
This article started with a review on the evolutionary history of airworthiness regulations. Requirements for Durability and Damage Tolerance designs in current airworthiness regulations are an accumulation result of lessons learnt from various aircraft ...
Jianhong Lin
doaj   +1 more source

Innovating Aircraft Repair Processes: The Role of Digitalization in Sustainability

Advanced Engineering Materials, Volume 28, Issue 7, 8 April 2026.
This research explores how digitalization—by storing detailed non‐destructive testing data in structured DICONDE databases and creating a standard data model of the component—innovates aviation maintenance and repair processes. Coupled with a developed state‐based simulation model, it enables data‐driven, sustainable repair strategies that reduce waste,
Johanna Aigner, Geo Jacob, Florian Raddatz, Gerko Wende   +3 more
wiley   +1 more source

The Future of Hydrogen‐Powered Aviation: Technologies, Challenges, and a Strategic Roadmap for Sustainable Decarbonization

Advanced Energy and Sustainability Research, Volume 7, Issue 3, March 2026.
Hydrogen‐powered aviation offers a transformative pathway to zero‐emission flight by eliminating in‐flight CO2 emissions. Key considerations include propulsion systems (fuel cells and hydrogen combustion), cryogenic storage and insulation challenges, infrastructure and cost barriers, and supply‐chain constraints.
Mubasshira, Md Mahbubur Rahman, Karib Hassan Khan, Md Nizam Uddin, Dewan Hafiz Nabil   +4 more
wiley   +1 more source

Study on the airworthiness certification technical system and key contents of aircraft tire burst

Hangkong gongcheng jinzhan
The research on aircraft tire blasting approval technology is of great significance to promote aircraft forensics and improve aircraft safety. In order to further promote the development of tire burst airworthiness technology and standardize the ...
ZHOU Changwei, WANG Zhaodong
doaj   +1 more source

Preliminary Master Minimum Equipment List Fuzzy Comprehensive Evaluation Method of Civil Aircraft

Hangkong gongcheng jinzhan, 2021
it is an important link to verify and determine the candidate items of the preliminary master minimum equipment list(PMMEL)for the main civil aircraft manufacturer passing through airworthiness certification.In this paper a new PMMEL fuzzy comprehensive ...
GU Zhiwu, DU Qianyi, FENG Yunwen, XUE Xiaofeng   +3 more
doaj   +1 more source

Optimization in Conceptual Design of a BWB UAV Using an Adaptive Kriging‐Based Surrogate Model

Engineering Reports, Volume 8, Issue 2, February 2026.
An adaptive Kriging‐based framework for Blended Wing Body UAV optimization is presented. The exploitation‐oriented strategy yields a 14.5% range improvement, while sensitivity analysis identifies fuel mass as the dominant parameter for efficient conceptual design. ABSTRACT To improve optimization efficiency in the conceptual design of Blended Wing Body
Xinshi Suo, Yu Wang, Zhouwei Fan, Tengzhou Xu   +3 more
wiley   +1 more source

Study of manned airship lightning protection design and airworthiness compliance validation

Hangkong gongcheng jinzhan
Manned airship will be hit by lightning. In order to avoid lightning flow affect the airship flight safety damage, in the manned airship design need to consider building lightning protection channel, and during the development process, the design is ...
YANG Jianfeng, YAO Yongjie, PANG Chenglong, PENG Min   +3 more
doaj   +1 more source

Blockchain and Quantum Technologies for Securing the Global Nuclear Supply Chain: Synergies, Applications, Technical Challenges and Opportunities

Journal of Critical Infrastructure Policy, Volume 7, Issue 1, Spring/Summer 2026.
ABSTRACT The infiltration of counterfeit, fraudulent, and suspect items into civil nuclear supply chains, notably within power generation and medical isotope production, poses severe safety and security threats. The ever‐increasing growth in nuclear installations (70 power plants are under construction and another 100 are in the planning stage) and the
Hafiz Ahmed
wiley   +1 more source