Results 121 to 130 of about 332,136 (301)

Vortex structures and local contribution of vortices to lift production.

, 2015
Vortex structures are identified by plotting an isosurface of the imaginary part of the complex eigenvalue of the local deformation tensor [31]. Isosurfaces are shaded by the lift coefficient per unit volume (cm3 for the hawkmoth and mm3 for the fruit ...
Tyson L. Hedrick (288272), Rajat Mittal (288273), Chao Zhang (51048)   +2 more
core   +1 more source

Unveiling Exsolution‐Induced Giant Electronic and Magnetic Property Changes in Non‐Stoichiometric Titanate Perovskite Thin Films

Advanced Materials, EarlyView.
A giant insulator to metal transition and emergent superparamagnetism are revealed by nanoparticle exsolution in non‐stoichiometric titanate perovskite thin films. By combining transport, synchrotron spectroscopy, and first‐principles calculations, this work reveals how defect reconfiguration and lattice reconstruction fundamentally reshape electronic ...
Sungil Kim, June Ho Lee, Yaolong Xing, Dongchang Kim, Haeseong Jeong, Mongjun Jeong, Manuel Valvidares, Stuart S. P. Parkin, Sang Ho Oh, Donghwa Lee, Hyojin Yoon, Hyeon Han   +11 more
wiley   +1 more source

Wake Vortex Modelling and Simulation for Air Vehicles in Close Formation Flight [PDF]

, 2010
The aim of this research is to develop realistic models of aerodynamic cross-coupling e ects that can be incorporated in real-time or near real-time simulations of Unmanned Aerial Vehicles (UAVs) in close formation flight.
Saban, Deborah
core   +1 more source

Precision isolation and cultivation of single cells by vortex and flat-top laser ejection

Frontiers in Microbiology
Single-cell isolation stands as a critical step in single-cell studies, and single-cell ejection technology based on laser induced forward transfer technology (LIFT) is considered one of the most promising methods in this regard for its ability of ...
Fuyuan Chen, Fuyuan Chen, Kunxiang Liu, Kunxiang Liu, Lindong Shang, Lindong Shang, Yuntong Wang, Yuntong Wang, Xusheng Tang, Xusheng Tang, Peng Liang, Peng Liang, Bei Li, Bei Li   +13 more
doaj   +1 more source

Directing Near‐Perfect (001) Orientation in Wafer‐Scale BiOI Thin Films via Halide‐Mediated van der Waals Stacking

Advanced Materials, EarlyView.
Our work introduces a new framework that fundamentally changes how orientation in bismuth oxyhalide systems is approached. Comprehensive experiments, backed by theoretical models, reveal the pivotal role of halide anions to modify the van der Waals stacking energies required to direct orientation. Our method enables the fabrication of near perfect (001)
Gabriel Aygur, Ashakiran Maibam, Hayden Tuohey, Tony Nguyen, Mei Xian Low, Sumeet Walia, Zijun (June) Yong, Ravichandar Babarao, Daniel Gomez, Enrico Della Gaspera, Joel van Embden   +10 more
wiley   +1 more source

Toward Pore‐Engineered 3D‐Printed Materials for Sorption Water Harvesting, Interfacial Evaporation, and Radiative Cooling

Advanced Materials, EarlyView.
Water harvesting, radiative cooling, and interfacial solar evaporation are fundamentally governed by coupled heat, mass, and light transport processes. These processes are mediated by pore architecture, including pore size, connectivity, and hierarchical organization.
Dejan J. Trajkovski, Higgins M. Wilson, Abdallah Y. M. Ali, Jiaxing Xu, Ruzhu Wang, Primož Poredoš   +5 more
wiley   +1 more source

Numerical study on wake vortex characteristics and aerodynamic benefits of large aircraft in formation flight

Kongqi donglixue xuebao
Vortex surfing formation flight, a bioinspired lift enhancement and drag reduction technique, holds potential for reducing fuel consumption and extending range, serving as a critical pathway for aviation sustainability.
Xiyu Zhang, Gun Li, Lianshan Lu, Jinyan Cai, Peilin Hu, Hexiang Wang, Yang Tao   +6 more
doaj   +1 more source

Computation‐Less, Bias‐Free, and Ultra‐Broadband Photodetector for On‐Chip Edge Extraction

Advanced Materials, EarlyView.
A computation‐less, bias‐free, and ultra‐broadband photodetector directly converts local optical‐intensity gradients into signed photocurrents through a position‐dependent bi‐directional photoresponse. This intrinsic physical sensing mechanism enables single‐pixel edge extraction from the near‐infrared to the long‐wave infrared at room temperature ...
Jintao Fu, Hao Jiang, Xingsi Liu, Fakun Wang, Yang Peng, Qi Jie Wang, Weibo Gao, Xingzhan Wei, Cheng‐Wei Qiu   +8 more
wiley   +1 more source

Aerodynamic performance and wake development of NACA 0018 airfoil with serrated gurney flaps

Frontiers in Energy Research
Improving the aerodynamic performance of the airfoil is important for optimising the rotor efficiency of the vertical axis wind turbines. As a simple passive control method, the Gurney flap is widely used to improve the aerodynamic performance of ...
Zhehui Zheng, Liu Chen
doaj   +1 more source

Lift enhancement by trapped vortex [PDF]

, 1992
The viewgraphs and discussion of lift enhancement by trapped vortex are provided. Efforts are continuously being made to find simple ways to convert wings of aircraft from an efficient cruise configuration to one that develops the high lift needed during
Rossow, Vernon J.
core