Results 41 to 50 of about 226,378 (280)

Competitiveness Evaluation Method of Supersonic Civil Aircraft Based on Analytic Hierarchy Process

Aerospace
As the demand for long-distance flights continues to increase, supersonic transport (SST) has once again become a hot research topic. However, in the conventional research on competitiveness of civil aircraft, because the flight speeds of various ...
Jiazheng He, Rui Pan, Wenyuan Cheng, Chenxin Guo, Zhijun Meng   +4 more
doaj   +1 more source

Innovative Approach to Hydrogen Purification: A Review on the Role of Metal Hydrides

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Metal hydrides, renowned for their unique hydrogen bonding capabilities, have emerged as pivotal materials in the energy sector, particularly for hydrogen storage and purification applications. Their ability to store hydrogen reversibly under moderate conditions has positioned them at the forefront in hydrogen‐based energy systems. This review
T. Mohammed Faheem, Vinod Kumar Sharma, A. Shaija, Bhaskar Das, Ranjith Krishna Pai   +4 more
wiley   +1 more source

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

Hangkong 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, Chen Kun, Feng Zhenyu, Xie Jiang   +3 more
doaj   +1 more source

A GA-Based Scheduling Method for Civil Aircraft Distributed Production with Material Inventory Replenishment Consideration

Mathematics, 2023
The production of civil aircrafts is confronted with a significant demand for the interconnectivity of production resources among distributed factories, while the complex coupling relationships among various production resources might restrict the ...
Xumai Qi, Dongdong Zhang, Hu Lu, Rupeng Li   +3 more
doaj   +1 more source

Optimization Study on Battery Thermal Management System With Coupled Air and Microchannel Liquid Cooling Strategy

International Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT Because of the surging demand for clean energy, the performance and safety of lithium‐ion batteries (LIBs) for energy storage and conversion have received much attention. This study presents a battery thermal management system (BTMS) that combines air cooling with microchannel liquid cooling.
Xiaolu Yuan, Xintian Xu, Chenghui Qiu, Zhuo Zeng, Yufei Cai   +4 more
wiley   +1 more source

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

Xibei 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, WANG Xiaocong, XIAO Nü'e, LI Boyang   +3 more
doaj   +1 more source

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

Hangkong 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, LU Cheng, XUE Xiaofeng, MA Xiaojun   +3 more
doaj   +1 more source

A Method for Constructing Health Indicators of the Engine Bleed Air System Using Multi-Level Feature Extraction

Aerospace, 2023
Traditional methods are unable to effectively assess the health status of engine bleed air systems. To address the limitation, this paper proposes a methodology for constructing health indicators using multi-level feature extraction. First, this approach
Zhaobin Duan, Xidan Cao, Fangyu Hu, Peng Wang, Xi Chen, Lei Dong   +5 more
doaj   +1 more source

Launch Uncertainty Analysis Under Barrel Erosion Using Experiments and Random Matrix Theory

International Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT The effects of barrel erosion on artillery firing performance have long been a subject of concern, but its effect on launch uncertainty has yet to be investigated. This article explores the influence of barrel erosion on the interior ballistic mechanical properties and launch disturbances.
Chengyuan Guo, Guolai Yang, Liqun Wang, Jianli Ge, Qingle Wu, Hao Guo   +5 more
wiley   +1 more source

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

Taiyuan 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, WANG Xuan, LI Zhiqiang, YAN Wei, LIU Hongbo, DAI Yi   +5 more
doaj   +1 more source