Results 131 to 140 of about 7,498 (257)

Study on bogie aerodynamic noise suppression based on serrated leading-edge flow control

机车电传动
The bogie compartment area of high-speed trains has been identified as a major source of aerodynamic noise during high-speed operation. To effectively reduce aerodynamic noise at this area, a noise reduction method based on serrated leading-edge vortex ...
ZHAO Yanju, CHEN Dawei, SHUAI Renzhong, LIU Jiali, YU Yihang, YANG Zhigang   +5 more
doaj  

Charge‐Encoded Sidechains Enable Deterministic Ion Ingress and Memory Retention in Organic Electrochemical Synaptic Transistors

Advanced Materials, EarlyView.
Organic electrochemical synaptic transistors based on sidechain‐engineered conjugated polyelectrolytes reveal that cationic sidechains enable efficient volumetric ion penetration and dense backbone doping, leading to enhanced transconductance and long‐term synaptic retention.
Haim Kwon, Jihyeon You, Chaeyeon Park, Dong Gue Roe, Ji Hyun Jung, Jeong Ho Cho, Han Young Woo   +6 more
wiley   +1 more source

Bioinspired Adaptive Surfaces for Intelligent Liquid Manipulation: Progressing From Passive and Active to Hybrid Strategies

Advanced Materials, EarlyView.
This review examines passive, active, and hybrid liquid manipulation strategies, highlighting hybrid approaches as an emerging route to reconcile energy efficiency with adaptive control. By actively reconstructing passive surfaces to store programmable interfacial energy, hybrid systems enable flexible yet low‐power liquid transport, with perspectives ...
Jiaqi Miao, Yiyuan Zhang, Liqiu Wang, Alan C. H. Tsang   +3 more
wiley   +1 more source

Bridging Biology and Engineering: Unsteady Aerodynamics and Biomimetic Design of Micro Air Vehicles. [PDF]

Biomimetics (Basel)
Prisăcariu EG, Dumitrescu O.
europepmc   +1 more source

Establishing Atomic Coherence in Twisted Oxide Membranes Containing Volatile Elements

Advanced Materials, EarlyView.
Twisted oxide membranes containing volatile elements often suffer from amorphous interfacial dead layers that suppress coupling. An oxygen‐annealing strategy establishes atomically coherent and chemically bonded interfaces in twisted NaNbO3 membranes, enabling coherent oxide moiré architectures in volatile‐element‐containing systems.
Young‐Hoon Kim, Reza Ghanbari, Min‐Hyoung Jung, Yang Zhang, Young‐Min Kim, Ruijuan Xu, Miaofang Chi   +6 more
wiley   +1 more source

Bio-Inspired Blade Serrations: A Review on Owl-Based Strategies for Aeroacoustic Noise Mitigation. [PDF]

Biomimetics (Basel)
Nieto A, Marin-Calvo N.
europepmc   +1 more source

Noise‐Tunable Memristor Enabling Programmable Probabilistic Neurons for Frequency‐Selective Time‐Series Signal Encoding

Advanced Materials, EarlyView.
Memristors offer tunable resistance and intrinsic instability, making them promising tunable noise sources. We propose a spiking‐rate‐programmable probabilistic neuron using a Ru/TaOx/Pt memristor, where resistance‐dependent noise enables frequency‐selective encoding.
Do Hoon Kim, Seoeun Jang, Hakseung Rhee, Min Gu Lee, Daehee Kim, Taewook Go, Woon Hyung Cheong, Hanchan Song, Kyung Min Kim   +8 more
wiley   +1 more source

Study on the stability enhancement mechanism of a high-speed axial compressor under paired swirl distortion. [PDF]

Sci Rep
Cheng B, Li Y, Yin Z, Yu Y, Liu J.
europepmc   +1 more source

Dynamic Mechanical Loading Modulates Extracellular Vesicle Production and Cargo in Meniscus Fibrochondrocytes

Advanced Materials Interfaces, EarlyView.
Dynamic mechanical loading of outer meniscus fibrochondrocytes increases extracellular vesicle (EV) yield and alters EV composition. When applied to progenitor cells, these mechanically primed EVs modulate the expression of matrix‐related genes.
Catherine Cheung, Zizhao Li, Sung‐Han Jo, Se‐Hwan Lee, Il Keun Kwon, Jina Ko, Su Chin Heo   +6 more
wiley   +1 more source

Enhancing aerodynamic performance using biomimetic wavy trailing edges on aircraft wing at low Reynolds number. [PDF]

Sci Rep
Aziz MA, Khalifa MA, Elshimy H, Elsayed AM.   +3 more
europepmc   +1 more source