Results 41 to 50 of about 2,637 (210)

Safety Assessment of Critical Aircraft Systems Under Multisource Uncertainty Based on Evidence Network

International Journal of Aerospace Engineering, Volume 2026, Issue 1, 2026.
As civil aircraft components become more autonomous in China, airworthiness certification is facing the problem of insufficient failure data, leading to challenges in terms of uncertainty. Traditional probabilistic models struggle to effectively integrate multisource uncertainties, limiting their application in data‐scarce scenarios.
Nve Xiao, Boyang Li, Xiaocong Wang, Jie Bai, Kan Xie   +4 more
wiley   +1 more source

Pre‐Lithiation and Continuous Lithium Compensation Technologies for Advanced Lithium‐Ion Batteries

EcoEnergy, Volume 3, Issue 4, December 2025.
In response to continuous active lithium loss in LIBs, pre‐lithiation and continuous lithium compensation strategies have emerged as focal points of intensive research. This review provides a comprehensive and critical summary of recent advancements in advanced lithium replenishment technologies.
Wang Huang, Yupeng Zhu, Yulin Ma, Hua Huo, Pengjian Zuo, Chunyu Du, Geping Yin, Yikang Yu, Siyuan Li, Wei Chen, Liguang Wang, Chuankai Fu   +11 more
wiley   +1 more source

Multi-Phase Vertical Take-Off and Landing Trajectory Optimization with Feasible Initial Guesses

Aerospace, 2023
The advancement of electric vertical take-off and landing (eVTOL) aircraft has expanded the horizon of urban air mobility. However, the challenge of generating precise vertical take-off and landing (VTOL) trajectories that comply with airworthiness ...
Zhidong Lu, Haichao Hong, Florian Holzapfel   +2 more
doaj   +1 more source

Reallocation of active lithium by regulating electrochemical structural connectivity in anode‐free lithium metal batteries

InfoMat, Volume 7, Issue 12, December 2025.
The columnar Li stacks induced by high‐density spatial multidimensional nucleation mode have stable bulk‐phase electronic pathway and interfacial kinetic structure, which significantly reduces the quasi‐linear accumulation of irreversible Li during the cycling process.
Jinqi Zhu, Wenxin Gou, Shidi Huang, Zhe Cui, Hao Wang, Linjian Zhang, Mengluan Gao, Wenqing Wang, Rujia Zou   +8 more
wiley   +1 more source

Structure design of hybrid wing eVTOL motor beam

Hangkong gongcheng jinzhan
The hybrid wing eVTOL motor beam is a key critical structure component，and the flight load is com plex during the conversion and reverse conversion flight stages. Therefore，studying its structure design is of great significance.
CHEN Xiuxian, DONG Ming, DONG Wenjun, WU Weizhi   +3 more
doaj   +1 more source

Recent Advances in Achieving High Energy/Power Density of Lithium–Sulfur Batteries for Current and Near‐Future Applications

Battery Energy, Volume 4, Issue 5, September 2025.
This review comprehensively addresses challenges impeding the current and near‐future applications of Li–S batteries, with a special focus on novel strategies and materials for achieving high energy/power density. Additionally, potential areas for practical applications are explored, placing special emphasis on their lightweight, high energy/power ...
Junyoung Heo, Hawon Gu, Changhee Lee, Junghwan Sung, Dong‐Hee Kim, Jiye Han, Yeong‐Seok Oh, Seongki Ahn, Il Jeon, Jun‐Woo Park   +9 more
wiley   +1 more source

A Systematic Review of Urban Air Mobility Development: eVTOL Drones’ Technological Challenges and Low-Altitude Policies of Shenzhen

Drones
Urban Air Mobility (UAM) is emerging as a transformative solution to urban traffic congestion and inefficient ground travel. This paper presents the UAM development of Shenzhen, a pioneering city of low-altitude economy in China.
Jinhong Xu, Chenxi Guan, Yunpeng Wang, Junjie Zhuang, Wenbiao Gan   +4 more
doaj   +1 more source

eVTOL 항공기 사이징을 위한 중량 분율 추정 [PDF]

, 2023
학위논문(석사) -- 서울대학교대학원 : 공과대학 항공우주공학과, 2023. 8. 신상준.In recent years, eVTOL aircraft have emerged as environmentally friendly new transportation vehicles, garnering a significant attention in their design.
심성우
core  

High‐Entropy Energy for Self‐Powered Systems

SmartSys, Volume 1, Issue 2, June 2025.
ABSTRACT In energy constrained application scenarios, self‐powered systems (SPSs) are gradually emerging as a core technological pathway for enabling distributed intelligent sensing. High‐entropy energy, such as micro‐wind, vibrations, water motion, and human activity, is widely available but difficult to harness due to its low density, randomness, and
Fangjing Xing, Xiaobo Gao, Wei Gao, Yanshuo Sun, Zilong Zhao, Zhong Lin Wang, Baodong Chen   +6 more
wiley   +1 more source

Research progress on propeller aerodynamic design of low-altitude electric vertical take-off and landing aircraft

Kongqi donglixue xuebao
Electric vertical take-off and landing (eVTOL) serves as an important carrier for low-altitude economy. As the main power source, the aerodynamic performance of the propeller has a critical impact on the overall performance of eVTOL.
Bao HU, Bao HU, Yongwei GAO, Yongwei GAO, Binbin WEI, Binbin WEI, Shunzhe ZHAO, Shunzhe ZHAO   +7 more
doaj   +1 more source