Results 71 to 80 of about 6,008 (260)

Experimental Study on a Miniature Refrigeration System for Electronics Cooling

Zhileng xuebao, 2014
With the improvement of electronics performance, the problem of heat dissipation in circuit and chip is becoming more serious, development of high-efficiency electronics cooling systems is urgently needed, and vapor compression refrigeration is believed ...
Liu Gang, Wu Yuting, Lei Biao, Ma Rui, Ma Chongfang   +4 more
doaj  

Optimizing Low-Temperature Three-Circuit Evaporative Cooling System for an Electric Motor by Using Refrigerants

Energies
This article presents modeling results and a comprehensive analysis of evaporative cooling systems designed for electric motors using the refrigerants R744 (trans-critical), R134a, R600a, and R290.
Dmytro Konovalov, Ignat Tolstorebrov, Yuhiro Iwamoto, Halina Kobalava, Jacob Joseph Lamb, Trygve Magne Eikevik   +5 more
doaj   +1 more source

De Novo Design of Membrane‐Targeting Antimicrobial Peptides Against Gram‐Negative Bacteria Using a Generative Artificial Intelligence Framework

Advanced Science, EarlyView.
Antimicrobial resistance caused by Gram‐negative bacteria remains difficult to overcome due to the protective outer membrane. To address this challenge, a multi‐condition constrained generative AI framework, GenMTAMP is proposed for de novo membrane‐targeting antimicrobial peptide design by integrating physicochemical and spatial structure descriptors.
Jingxiao Yu, Da‐Wen Sun, QingYi Wei, Yibing Zhang, Jidong Tang, Hongbin Pu   +5 more
wiley   +1 more source

Research on Leakage Safety of Split-Type Air Conditioners Using R290 Based on Product Development

Zhileng xuebao
R290 is an environmentally friendly refrigerant. However， it is flammable， making its wide application difficult. In terms of product development， to address the safety problem of refrigerant leakage in split-type air conditioners using R290， the ...
Lai Xiaocheng Yao Yuanlin Chen Kai Zeng Jing Chen Zhenming Liu Zhen
doaj   +2 more sources

Modeling and Optimization of a Refrigeration System for Metro Train Air-conditioning

Zhileng xuebao, 2014
Though metro in China today is booming, the typical refrigeration system for metro train air-conditioning is at quite lower energy efficiency level (COP = 2.2-2.3) in comparison with the residential systems under the same operating conditions.
Yang Liang, Gao Jie, Zhang Chunlu
doaj  

Electrical‐Stimulation Hydrogel Electronic Skin for Sustainable Hybrid Biomechanical–Electromagnetic Energy Harvesting and Accelerating Wound Healing

Advanced Science, EarlyView.
A hybrid biomechanical–electromagnetic energy‐harvesting e‐skin is developed using a gelatin‐based outer matrix with a zwitterionic conductive inner layer. The e‐skin autonomously generates stable electrical stimulation from daily body motion and ambient electronics, enabling significantly enhanced wound healing bothin vitro and in vivo.
Syun‐Hong Chou, Ming‐Han Lu, Wei‐Chen Peng, Wei‐Chun Yang, Pei‐Yi Liu, Yu‐Hsuan Yang, Yi‐Lin Huang, Cheng‐Hung Tsai, Ting‐Yu Yang, Xuan Zhang, Zhi‐Xian Yan, Ying‐Chih Lai, San‐Yuan Chen   +12 more
wiley   +1 more source

Study on Thermomagnetic Convection Characteristics of a Cooling Device Using Magnetic Nano-refrigerant

Zhileng xuebao, 2014
The experimental system of a cooling device using Fe3O4-R600a as magnetic nano-refrigerant was built up. And the influences of magnetic field distribution, magnetic field intensity, heat load, cooling temperature were discussed. The results show that the
Wu Zhijiang, Yin Shaoyou
doaj  

Closed‐Loop Radiative Cooling Mulch Upcycled From Agricultural Residues for Efficient Soil Heat–Water Stress Mitigation

Advanced Science, EarlyView.
Conventional passive radiative cooling films rely on costly feedstocks and energy‐intensive fabrication, with poor end‐of‐life compatibility in agriculture. To address this challenge, a sustainable radiative cooling mulch (SRCM) is developed from waste maize leaves via spontaneous hydrogen‐bond self‐assembly.
Hao Li, Dong Lv, Yang Fu, Cancheng Jiang, Wenqi Wang, Ze Li, Lin Liang, Jiayu Du, Jie Tan, Yihao Zhu, Wenjie Liu, Lamfeddal Kouisni, Kaixin Lin, Chi Yan Tso   +13 more
wiley   +1 more source

Heat transfer Characteristics for Condensation of R1234ze in a Horizontal Small Tube

Zhileng xuebao, 2014
The condensation heat transfer coefficients of R1234ze in a single circular minitube of 2mm inner diameter were investigated experimentally. The experiment are conducted at saturation temperature of 35 ℃ and 40 ℃, mass flux of 100~400 kg/(m2?s) and heat ...
Li Minxia, Yang Yingying, Gu Haoxiang, Ma Yitai   +3 more
doaj  

Waste Heat Recovery in the Energy-Saving Technology of Stretch Film Production

Energies
The stretch film production is highly energy intensive. The components of the technological line are powered by electrical energy, and the heat is used to change the physical state of the raw material (granules).
Krzysztof Górnicki, Paweł Obstawski, Krzysztof Tomczuk   +2 more
doaj   +1 more source