Results 71 to 80 of about 6,278 (302)

Recent Advances in Laser‐Induced Graphene‐Based Gas Sensors: From Sensing Mechanisms to Biomedical Applications

Advanced Science, EarlyView.
Laser‐induced graphene (LIG) provides a scalable, laser‐direct‐written route to porous graphene architecture with tunable chemistry and defect density. Through heterojunction engineering, catalytic functionalization, and intrinsic self‐heating, LIG achieves highly sensitive and selective detection of NOX, NH3, H2, and humidity, supporting next ...
Md Abu Sayeed Biswas, Ankan Dutta, Shuvendu Das, Abu Musa Abdullah, Wanqing Zhang, Fatema Tuz Zohra, Huanyu Cheng   +6 more
wiley   +1 more source

The Influence of Gas-Dynamic Non-Stationarity of Air Flow on the Heat Transfer Coefficient in Round and Triangular Straight Pipes with Different Turbulence Intensities

Applied Sciences
Unsteady gas-dynamic phenomena in pipelines of complex configuration are widespread in heat exchange and power equipment. Therefore, studying the heat transfer level of pulsating air flows in round and triangular pipes with different turbulence ...
Leonid Plotnikov, Leonid Osipov
doaj   +1 more source

Physical concept and calculation of boiling point in a pulsating heat pipe

Tekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2014
LED development is accompanied by the need to ensure a constructive solution for the thermal conditions' problem. For this purpose one can use pulsating heat pipes (PHP), that operate more efficiently after the start of heat carrier boiling. This article
A. N. Naumova, V. Yu. Kravets, Yu. Ye. Nikolaenko   +2 more
doaj   +1 more source

Modeling of pulsating heat pipes

, 2022
Pulsating Heat Pipe (PHP) is a promising alternative to conventional heat pipes to satisfy the increasing demand of the electronics cooling industry. It is an innovative heat transfer device with outstanding performance. However, due to the complex physical phenomena involved, a comprehensive theory for PHP modeling remains under development ...
openaire   +1 more source

Quasi‐Antipolar Nanoclusters Driven Superior Energy Storage in High‐Entropy Relaxor Ferroelectrics

Advanced Science, EarlyView.
Quasi‐antipolar nanoclusters are engineered in lead‐free NaNbO3‐based high‐entropy relaxors that weaken polar nanoregion coupling and induce distinct ferroelectric transition under high fields to enable desirable polarization response. This breakthrough system achieves ultrahigh recoverable‐energy‐density (≈18.3 J cm−3), efficiency (≈91.5%), and ...
Ao Tian, Zehao Li, Qingkang Jiang, Xiang Wu, Xuewen Jiang, Xin Gao, Xiaokuo Er, Mohamed Mahmoud, Maqbool Ur Rehman, Liqiang Liu, Aiwen Xie, Tengfei Hu, Ruzhong Zuo   +12 more
wiley   +1 more source

Experimental Study on Low-Temperature Thermal Management of Lithium Battery with Pulsating Heat Pipe

World Electric Vehicle Journal
To address the serious decline in charge and discharge performance of lithium batteries in low temperatures, this paper proposes a thermal management scheme with pulsating heat pipes, which effectively achieves the advantages of pulsating heat transfer ...
Keyong Li, Xianchao Wang
doaj   +1 more source

Design of a Hydrogen Pulsating Heat Pipe

Physics Procedia, 2015
AbstractIn order to enhance the application of a cryocooler that provides cooling capacity at the cold head location, and effectively spread that cooling over an extended region, one requires an efficient heat transfer method. The pulsating heat pipe affords a highly effective heat transfer component that has been extensively researched at room ...
Liu, Yumeng, Deng, Haoren, Pfotenhauer, John, Gan, Zhihua   +3 more
openaire   +1 more source

Saturated flow boiling in small- to micro- diameter metallic tubes: Experimental results and modeling [PDF]

, 2008
Some results of a long-term study of flow boiling patterns, heat transfer rates and pressure drop of R134a at pressures of 6-14 bar in five vertical stainless steel tubes of internal diameter 4.26, 2.88, 2.01, 1.1 and 0.52 mm are presented in this paper.
Karayiannis, TG, Kenning, DBR, Shiferaw, D   +2 more
core  

Nanozyme Microrobots: Programmable Spatiotemporal Catalysis for Targeted Therapy and Diagnostics

Advanced Science, EarlyView.
This review presents nanozyme microrobots as emerging catalytic systems that integrate mobility, external actuation, and adaptive reactivity to achieve precise biochemical functions. By examining mobility‐regulated catalysis, spatial targeting, integrated designs, and translational demonstrations, the article highlights how nanozyme robotics enables ...
Hong Huy Tran, Nil Kanatha Pandey, David P. Cormode, Daeyeon Lee, Edward Steager, Hyun Koo   +5 more
wiley   +1 more source

Emerging Memory and Device Technologies for Hardware‐Accelerated Model Training and Inference

Advanced Electronic Materials, EarlyView.
This review investigates the suitability of various emerging memory technologies as compute‐in‐memory hardware for artificial intelligence (AI) applications. Distinct requirements for training‐ and inference‐centric computing are discussed, spanning device physics, materials, and system integration.
Yoonho Cho, Dae‐won Kim, Yujin Kim, Jung‐Heum Na, Yuwon Jeong, Dong‐Yeop Lee, Shinhyun Choi   +6 more
wiley   +1 more source