Results 81 to 90 of about 1,178,972 (334)

Collision‐Resilient Winged Drones Enabled by Tensegrity Structures

Advanced Robotics Research, EarlyView.
Based on structures of birds such as the woodpeck, this article presents the collision‐resilient aerial robot, SWIFT. SWIFT leverages tensegrity structures in the fuselage and wings which allow it to undergo large deformations in a crash, without sustaining damage. Experiments show that SWIFT can reduce impact forces by 70% over conventional structures.
Omar Aloui, Raphael Zufferey, William Stewart, Mohammad Askari, Simon Jeger, Dario Floreano   +5 more
wiley   +1 more source

Aircraft

, 2015
Firenze Architettura, Vol. 19 No. 2 (2015)
Michael Paluszek, Stephanie Thomas
openaire   +3 more sources

A Wearable Brain–Computer Interface for Mitigating Car Sickness via Attention Shifting

Advanced Science, EarlyView.
Car sickness poses a major challenge in vehicular travel, yet effective nonpharmacological solutions are scarce. We developed a wearable, closed‐loop mindfulness BCI that uses real‐time EEG‐based neurofeedback to shift attention away from motion‐induced discomfort. Validated in real‐car experiments involving >100$>100$ susceptible individuals, over 83%
Jiawei Zhu, Xiaoyu Bao, Qiyun Huang, Tao Wang, Li Huang, Haiyun Huang, Junbiao Zhu, Jun Qu, Kendi Li, Di Chen, Ya Jiang, Kailin Xu, Zijian Wang, Wei Wu, Yuanqing Li   +14 more
wiley   +1 more source

Analysis of Entropy Generation and Potential Inhibition in an Aeroengine System Environment

International Journal of Aerospace Engineering, 2022
From a system perspective, the entropy generation of an aeroengine is directly related to the thermal efficiency when the Brayton cycle pressure ratio and maximum temperature remain constant.
Xiaojing Liu, Shuiting Ding, Tian Qiu, Chuankai Liu, Peng Liu, Guo Li, Xiaozhe Zhang   +6 more
doaj   +1 more source

Direct Growth of Transparent Boron Nitride Neutron Shielding Layer for Space Window

Advanced Science, EarlyView.
Direct growth of sp2‐sp3 hybridized BN (HBN) on quartz, enabled by an h‐BN buffer, produces transparent and stable films up to 80 µm thick with high transmittance and strong neutron shielding, making HBN a promising candidate for space windows in long‐term lunar missions.
Dobin Kim, Geunpil Kim, Hwijoon Jeong, Sk Mujaffar Hossain, Satadeep Bhattacharjee, Minjae Isaac Kwon, Yeunjeong Lee, Chanhee Yang, Yeong Seok Ham, Taek‐Soo Kim, Hyowon Moon, Inkyu Park, Seung‐Cheol Lee, Jinhwan Kim, Jongbum Kim, Jaehyun Park   +15 more
wiley   +1 more source

Simulation of Transient Temperature and Clearance after Shutdown of Aeroengine Based on CFD and FEA Coupled Models

Shock and Vibration
It is crucial to comprehend the heat soak phenomenon, which may result in a significant temperature increase after the shutdown followed by a gradual decrease. This could bring potential risks for the engine including oil coking.
Xuanming Ge, Yan Gao, Wei Gu, Dongyu Sui, Lingling Yue   +4 more
doaj   +1 more source

Measuring Workload Differences Between Short-term Memory and Long-term Memory Scenarios in a Simulated Flight Environment [PDF]

, 1984
Four highly experienced Air Force pilots each flew four simulated flight scenarios. Two scenarios required a great deal of aircraft maneuvering. The other two scenarios involved less maneuvering, but required remembering a number of items.
Berg, S. L., Sheridan, T. B.
core   +1 more source

A Novel Metal Foam‐Supported Solid Oxide Fuel Cell With High Specific Power

Advanced Science, EarlyView.
Solid oxide fuel cells (SOFCs) employing metal foam supports with an ultrahigh porosity of 90% and average pore size of 100 µm are successfully fabricated. The metal foam architecture significantly enhances gas diffusion coefficients, effectively reducing concentration polarization while simultaneously decreasing areal mass.
Jingbo Ma, Ying Yang, Meng Ni, Yanxiang Zhang, Mufu Yan   +4 more
wiley   +1 more source

LRNet: lightweight attention-oriented residual fusion network for light field salient object detection

Scientific Reports
Light field imaging contains abundant scene structure information, which can improve the accuracy of salient object detection in challenging tasks and has received widespread attention.
Shuai Ma, Xusheng Zhu, Long Xu, Li Zhou, Daixin Chen   +4 more
doaj   +1 more source

Research on Configuration Control Technology for Civil Aircraft Flight Test Based on Modular Design [PDF]

E3S Web of Conferences
A configuration control method, based on modular design, is proposed to solve the problem that the aircraft configuration changes due to design changes, and the flight test is difficult to carry out.
Xue Jikun, Zhang Xinyuan, Yang Lin, Duan Gang   +3 more
doaj   +1 more source