Results 41 to 50 of about 4,153,083 (157)

Effect of Elastane Plating on Physical & Thermal Comfort Properties of Lyocell Single Jersey Knit Fabric with Different Loop Length

Journal of Natural Fibers, 2022
Elastic weft knitted single jersey fabrics are produced by plating of elastane (elastomeric polyurethane) yarn with lyocell yarn in a circular knitting machine with positive feeder.
P C Shobanasree, C Prakash, M Ramesh Kumar, K V Lokesh   +3 more
doaj   +1 more source

Real-time thermal management of permanent magnet synchronous motors by resistance estimation [PDF]

, 2012
Real-time thermal management of electrical machines relies on sufficiently accurate indicators of internal temperature.One indicator of temperature in a permanent-magnet synchronous motor is the stator winding resistance.
Stewart, Paul, Wilson, S.D., Stewart, P., Stewart, Jill, Stewart, J., Wilson, S. D.   +5 more
core   +1 more source

Thermal Resistance Matrix Extraction from Finite-Element Analysis for High-Frequency Magnetic Components

, 2021
The thermal management of magnetic components for power electronics is crucial to ensure their reliability. However, conventional thermal models for magnetic components are known to have either poor accuracy or excessive complexity.
Juan A. Serrano-Vargas, Javier Muñoz-Antón, Pedro Alou, Guillermo Salinas   +3 more
core   +1 more source

Heat Transfer Performance Analysis on the CO2 Two-phase Thermosyphon Loop

Zhileng xuebao, 2016
In terms of environmental conservation, it is very meaningful to use CO2 as working fluid in the two-phase thermosyphon loop (TPTL) to replace R22. According to the experimental results in some research, the flow boiling or condensation heat transfer ...
Tong Zhen, Li Zhen, Zhao Yong, Liu Xiaohua   +3 more
doaj  

Thermal Resistance Modeling for the Optimal Design of EE and E/PLT Core-Based Planar Magnetics

Energies
With the integration of power electronic converters and components, an accurate thermal design becomes essential. Hence, precise thermal models for components are needed for their optimal design.
Reda Bakri, Xavier Margueron, Philippe Le Moigne, Nadir Idir   +3 more
doaj   +1 more source

PERFORMANCE COMPARISON OF PARALLEL AND SERIES CHANNEL COLD PLATES USED IN ELECTRIC VEHICLES BY MEANS OF CFD SIMULATIONS

Eskişehir Osmangazi Üniversitesi Mühendislik ve Mimarlık Fakültesi Dergisi, 2022
In a cold plate low thermal resistance thus high heat transfer rate and also low pressure drop is desired. In this study, performances of three liquid cold plates with different configurations are investigated for the thermal regulation of li-ion battery
Ahmet Yaylı, Ayhan Nazmi İlikan
doaj   +1 more source

THE EFFECT OF THERMAL RESISTANCE OF CEILING LAYER ON THE PERFORMANCE OF AN AIR CONDITIONER AND ROOM TEMPERATURE DISTRIBUTION

Rekayasa Mesin
The effectiveness of an air conditioner does not only depend on the design of the air-conditioner solely. Several factors affect the effectiveness of the cooling process of a room.
Jeri Tangalajuk Siang, Daud Patabang
doaj   +1 more source

Numerical Thermal Analysis and Optimization of Multi-Chip LED Module Using Response Surface Methodology and Genetic Algorithm

IEEE Access, 2017
In this paper, the heat transfer performance of the multi-chip (MC) LED module is investigated numerically by using a general analytical solution. The configuration of the module is optimized with genetic algorithm (GA) combined with a response surface ...
Hong-Yu Tang, Huai-Yu Ye, Xian-Ping Chen, Cheng Qian, Xue-Jun Fan, Guo-Qi Zhang   +5 more
doaj   +1 more source

Influence of geometric factors on the heat transfer characteristics of two-phase thermosyphons

Технологія та конструювання в електронній апаратурі
Thermosyphons are two-phase closed heat exchange systems that contain a certain amount of liquid and utilize the latent heat of vaporization and condensation to transfer heat between the heat source and the heat sink without any external devices.
Volodymyr Kravets, Hanna Shepel, Dmytro Hurov, Andrii Danylovich   +3 more
doaj   +1 more source

The investigation of quality of power-transistor crystals soldering by a transient impedance-spectrometer [PDF]

Tekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2012
Differential distribution profiles of the thermal «junction-to-case» resistance of KP723G transistors in accordance with the attachment of the crystals into the package have been investigated.
Turtsevich А. S., Rubtsevich I. I., Solov’yov Ya. А., Vas’kov O. S., Kononenko V. К., Niss V. S., Kerentsev А. F.   +6 more
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