Results 31 to 40 of about 331 (194)

n‐Type Polymer Radio Frequency Rectifiers Operating at 18.5 GHz

Advanced Materials, EarlyView.
Combining an n‐doped polymer semiconductor with wafer‐scale asymmetric planar electrodes featuring work function‐engineered contacts yields radio‐frequency diodes and rectifying circuits operating at up to 18.5 GHz. The devices combine scalable manufacturing with an operating frequency previously unattainable by large‐area organic electronics ...
Lazaros Panagiotidis, Filip Aniés, Yiyang Yu, Mohammed Ghadiyali, Hendrik Faber, Zhanibek Bizak, Youssef Kabri, Pavlos Tzourmpakis, Suman Mandal, Linqu Luo, Temur Maksudov, Mohamad Insan Nugraha, Harold F. Mazo‐Mantilla, Patrice Vanelle, Julie Broggi, Khaled N. Salama, Udo Schwingenschlögl, Martin Heeney, Atif Shamim, Thomas D. Anthopoulos   +19 more
wiley   +1 more source

Research progress and key technologies in transonic buffet mechanism and control

Kongqi donglixue xuebao
Transonic buffet is a critical issue for high-subsonic and supersonic aircraft, severely limiting their performance and flight safety. This paper reviews the recent research progress in this field, covering numerical simulation methods, buffet mechanisms,
Fei Xiao, Xiangyi Meng, Tongyin Chen, Dawei Wu, Xiaoyan Liu, Yuting Dai   +5 more
doaj   +1 more source

Aerodynamic characteristics and fuze arming time determination of anti-armour aviation bomb [PDF]

Scientific Technical Review, 2015
Aerodynamic coefficients of the anti-armour aviation bomb (AAAB) are determined in subsonic and transonic flow field regimes in the wind tunnel. These flow conditions directly affect the fuze arming mechanism time of the bomb. An alternative and reliable
Novaković Zoran, Nikolić Momčilo, Kozomara Stevan   +2 more
doaj  

Geometric Effects Analysis and Verification of V-Shaped Support Interference on Blended Wing Body Aircraft

Applied Sciences, 2020
A special V-shaped support for blended wing body aircraft was designed and applied in high-speed wind tunnel tests. In order to reduce the support interference and explore the design criteria of the V-shaped support, interference characteristics and ...
Xin Xu, Qiang Li, Dawei Liu, Keming Cheng, Dehua Chen   +4 more
doaj   +1 more source

1‐D Collocated Dual‐Gradient Sensory Fibers for Comprehensive Sensing and Decoding of Complex Human Motion and Physiology

Advanced Materials, EarlyView.
Coupled materials design enables a monolithic fiber that integrates complementary sensing regimes into a single wearable strand. By preserving informative signal features across subtle physiological deformation, large body motion, and mixed mechanical inputs, the dual‐gradient architecture generates synchronized, less redundant outputs that improve ...
Yunheum Lee, Sungha Jeon, Min Kim, Joonhee Won, Jinwook Yeo, Kyunghyun Jo, Soyeon Lee, Kieun Park, Yechan Yang, Chul Kim, Gun‐Hee Lee, Seunghwa Ryu, Sungho Jo, Seongjun Park   +13 more
wiley   +1 more source

HISTORICAL REVIEW AND FUTURE PERSPECTIVES FOR PILOT TRANSONIC WIND TUNNEL OF IAE. doi: 10.5028/jatm.2009.01011927

Journal of Aerospace Technology and Management, 2011
The Pilot Transonic Wind Tunnel of Institute of Aeronautics and Space (PTT Pilot Transonic Wind Tunnel) is an important result of a tremendous effort to install a high speed wind tunnel complex (TTS ...
João Batista P Falcão Filho, Ana Cristina Avelar, Maria Luísa Colucci da Costa Reis   +2 more
doaj  

Feasibility study and verification of velocity field calibration for short center line probe in subsonic and transonic wind tunnel

Xibei Gongye Daxue Xuebao
According to GJB1179A-2012 "Quality Requirements for Low Speed and High Speed Wind Tunnel Flow Fields", the velocity field calibration is a key item in the wind tunnel flow field calibration and an important basis for evaluating whether wind tunnels have
DENG Haijun, XIONG Bo, LUO Xinfu, LIU Changqing, ZHENG Jieyun   +4 more
doaj   +1 more source

Molybdenum Disulfide Bilayers Hybridized With Reduced Graphene Oxide Nanosheets for Enhanced Hydrogen Evolution Reaction

Advanced Materials Interfaces, EarlyView.
The integration of reduced graphene oxide nanosheet‐hybridized molybdenum disulfide bilayers to enhance hydrogen evolution reaction capabilities unveils thrilling opportunities for strain engineering, defect manipulation, and sophisticated twist‐angle assemblies with 2D heterostructures.
Bruno Ferreira Brischi, Gabriela Frajtag, João Pedro da Silva Mariano, Laís Fernanda Medeiros Ruela, Gustavo Duarte Verçosa, Camila Desiderio Fernandes, Murilo Santhiago, Letícia Mariê Minatogau Ferro, Leandro Merces   +8 more
wiley   +1 more source

Use of Active Learning to Design Wind Tunnel Runs for Unsteady Cavity Pressure Measurements

International Journal of Aerospace Engineering, 2014
Wind tunnel tests to measure unsteady cavity flow pressure measurements can be expensive, lengthy, and tedious. In this work, the feasibility of an active machine learning technique to design wind tunnel runs using proxy data is tested.
Ankur Srivastava, Andrew J. Meade
doaj   +1 more source

An Implantable Phototriggered Prodrug Depot Patch Enables Actively Programmable Drug Release for Post‐Myocardial Infarction Therapy

Advanced Science, EarlyView.
An implantable phototriggered prodrug depot patch (iPDP) is presented that enables actively programmable drug release post‐implantation. Covalently conjugated prodrug ensures minimal leakage; illumination parameters serve as a code to precisely control dose per release.
Haipeng Lu, Kaicheng Deng, Zhang Zhang, Qirui Wang, Weijing Gao, Liyin Shen, Lei Zhang, Wenting Hu, Yang Zhu, Zhengwei Mao, Tanchen Ren   +10 more
wiley   +1 more source