Results 81 to 90 of about 25,296 (263)

Bioinspired Multifunctional Flexible C‐SiC Fibrous Aerogel for Superior Electromagnetic Interference Shielding Under Extreme Environments

Advanced Science, EarlyView.
This schematic presents a biomimetic C‐SiC fibrous aerogel inspired by the special structure of momordica charantia. It exhibits outstanding thermal insulation and ultrahigh specific electromagnetic shielding performance, together with excellent high‐temperature stability and mechanical flexibility, showing great promise for aerospace applications ...
Tianyue Yang, Yan Shen, Zhongqian Zhao, Xue Zhou, Qianji Chen, Xujing Wang, Chuchu Zheng, Zhaoxiang Lu, Yangzhong Zhao, Yanzi Gou   +9 more
wiley   +1 more source

Curvature‐Controlled Field Effect Enables Thermal Localization for Low‐Temperature C─F Bond Activation

Advanced Science, EarlyView.
High‐curvature γ‐Al2O3 nanoneedles concentrate heat into nanoscale hotspots under identical external heating, amplifying local temperature and accelerating CF4 decomposition. By linking curvature‐induced thermal localization to lower apparent activation barriers and enhanced intermediate formation, this work reveals geometry as a powerful design ...
Hang Zhang, Jialin Zheng, Xiaojian Wang, Hao Yu, Diya Xie, Wenjie Luo, Minghui Yang, Kang Liu, Yuxia Duan, Zhang Lin, Liyuan Chai, Emiliano Cortés, Min Liu   +12 more
wiley   +1 more source

Adaptive and Highly Efficient Thermoregulation Based on Multi‐Dimensional Janus Film

Advanced Science, EarlyView.
A switchable TiO2/MXene/PDMS Janus membrane enables dual‐mode radiative cooling and solar heating, achieving sub‐ambient cooling of 17.89°C and above‐ambient heating of 13.82°C. Adaptive temperature regulation was demonstrated with a low power integrated autonomous smart curtain system, providing a sustainable and energy‐efficient alternative for ...
Yuqing Shi, Yuting Fu, Xiong Yu, Yuao Guo, Yanjun Liu, Dan Luo, Yuanjing Lin   +6 more
wiley   +1 more source

Efficient Adsorption‐Based Direct Air Capture Via Triply Periodic Minimal Surface Architectures

Advanced Science, EarlyView.
Architected triply periodic minimal surface (TPMS) contactors reshape direct air capture by replacing straight‐channel diffusion limits with convection‐enhanced CO2 transport. Chaotic advection thins boundary layers and exposes fast adsorption sites, enabling 70%–75% more fast sites, 114% higher productivity, and 51.8% lower energy consumption than ...
Qingyang Shao, Zhuozhen Gan, Chengcheng Long, Man Zhang, Yihe Miao, Yuehui Li, Xuancan Zhu   +6 more
wiley   +1 more source

Study of the efficiency of a wire radiator of new design

Технологія та конструювання в електронній апаратурі, 2003
The study investigates the heat transfer intensity of a wire radiator made of copper wire with a diameter of 0.12 mm under conditions of cooling a 2T808A transistor with a dissipated power of 5 W.
L. M. Kholvinskaya, T. Yu. Nikolaenko, Yu. E. Nikolaenko   +2 more
doaj  

Entropy generation analysis for vertical flat and corrugated surface by natural convection and radiation at constant heat flux

Case Studies in Thermal Engineering
Previous literature has explained heat transfer by natural convection, radiation and the effect of entropy generation separately. This study focused on the entropy generation of heat transfer by natural convection and radiation instantaneously from ...
Louay Abd Al-Azez Mahdi, Hasanain A. Abdul Wahhab, Miqdam Tariq Chaichan   +2 more
doaj   +1 more source

Multiscale Coupling From Mastication to Retronasal Aroma Perception: The PG‐DTCFN Model and Multiphysics Simulation

Advanced Science, EarlyView.
Using grilled lamb skewers as a model system, this work builds a multiscale coupling framework from oral processing to retronasal aroma perception, reveals dual‐kinetic release patterns and Electroencephalogram‐characterized central encoding features, and proposes an interpretable physics‐guided deep learning model validated by multiphysics simulation,
Che Shen, Xiongfeng He, Zihao Li, Zidong Chen, Jiajin Sun, Xinyu Jiang, Yunhui Zhang, Lizhang Wu, Ran Wang, Jingnan Lu, Bo Wang, Kezhou Cai, Baocai Xu   +12 more
wiley   +1 more source

A Global Methane Observation System to Reduce Uncertainty for Anthropogenic and Natural Sources and Sinks for Detecting and Attributing Climate Feedbacks

Advanced Science, EarlyView.
Conceptual illustration of a Global Ecosystem Methane Observing System (GEM‐OS) integrating satellites, aircraft, atmospheric networks, and ecosystem measurements to quantify methane emissions from anthropogenic and natural sources. The multi‐scale observing framework improves source attribution, reduces uncertainty in regional methane budgets, and ...
P. Ciais, S. Peng, J. Chang, F. Li, Q. Zhu, K. Yuan, G. Hugelius, H. Li, Y. Cai, F. Chevallier, K. Tibrewal, E. A. Kort, K. Arndt, J. Watts, B. Buma, N. Besic, P. I. Palmer, H. Cadillo‐Quiroz, E. Euskirchen, M. J. Gondwe, A. Hoyt, R. Jackson, S. Malone, D. Monteverde, S. Natali, M. Ramonet, C. Rey‐Sanchez, L. B. Sagang, E. A. G. Schuur, R. Vargas, R. Varner, Z. Zhang, B. Poulter   +32 more
wiley   +1 more source

Probing Electrocatalyst Design for Product Selectivity in CO2 Reduction

Advanced Science, EarlyView.
Selective CO2 electroreduction is controlled by catalyst structure, dynamic surface reconstruction, adsorbate interactions, and reaction microenvironment. This review summarizes Cu‐ and non‐Cu‐based catalysts, single‐atom and molecular systems, degradation pathways, and operando/computational strategies for steering CO2RR toward hydrocarbons ...
Suvodeep Sen, Bapan Biswas, Apinya Ngoipala, Julia Wiktor, Ujjwal Pal, Shalini Singh   +5 more
wiley   +1 more source

Characteristics of natural convection heat transfer in composite cavity

Case Studies in Thermal Engineering
In order to study the influence of the nature of the mining airspace on the natural convection heat transfer in the unventilated working face, we establish a numerical model of natural convection in a composite cavity containing porous media by CFD ...
Changkui Lei, Yaoqian Zhu, Suntong Qiu, Chengbo Wang, Ruoyu Bao, Cunbao Deng   +5 more
doaj   +1 more source