Results 11 to 20 of about 1,436,346 (346)

A Review of the Complex Flow and Heat Transfer Characteristics in Microchannels

open access: yesMicromachines, 2023
Continuously improving heat transfer efficiency is one of the important goals in the field of energy. Compact heat exchangers characterized by microscale flow and heat transfer have successfully provided solutions for this purpose.
Junqiang Zhang, Zhengping Zou, Chao Fu
doaj   +2 more sources

Heat Transfer Capacity of Lotus-type Porous Copper Heat Sink for Air Cooling

open access: yesJournal of Thermal Science and Technology, 2010
Lotus-type porous metal with many straight pores is attractive as a heat sink because larger heat transfer capacity is obtained due to the small diameter of the pores.
Hiroshi CHIBA   +2 more
doaj   +2 more sources

Heat Transfer Characteristic of Slit Nozzle Impingement on High-temperature Plate Surface

open access: yesISIJ International, 2019
Controlled cooling is widely applied in steel plate/strip production. It helps to improve the microstructure and mechanical properties of a rolled steel sheet. As shown in Fig. 1, an ultrafast cooling (UFC) system on a run-out table in a factory uses jet
B. Wang   +4 more
semanticscholar   +1 more source

Heat transfer enhancement strategies for eco-friendly dry hobbing considering the heat exchange capacity of chips

open access: yesCase Studies in Thermal Engineering, 2022
To reduce the adverse effect of thermal accumulation, a better understanding of heat transfer is quite necessary for eco-friendly dry hobbing, which is completely different from common turning and milling.
Xiao Yang, Peng Chen
doaj   +1 more source

Наближена оцінка температурного стану керамічного ядерного палива в циліндричних твелах та впливу на нього процесів і параметрів конструкцій активної зони реактора [PDF]

open access: yes, 2008
The approximate mathematical model of the temperature state of ceramic nuclear fuels in cylindrical fuel elements was proposed in the form of linear ordinary differential equation and the boundary conditions. The theory of heat conduction and assumptions
Chibisov, Dmytro, Romashov, Yury
core   +2 more sources

Analysis of Fluid Flow and Heat Transfer Characteristics for Radial Ventilation Generator

open access: yesJournal of Harbin University of Science and Technology, 2019
In order to study distribution of fluid flow, the characteristic of heat transfer,and temperature rise characteristics of radial ventilation generator,a mathematical and physical model of 3D fluid flow and heat transfer coupled was established according ...
DING Shu-ye   +4 more
doaj   +1 more source

Prediction of heat transfer characteristics of nanofluids in heat pipes based on artificial neural network model

open access: yesChemical Engineering Transactions, 2018
The objective of this study is to predict the heat transfer characteristics of nanofluids in heat pipes based on artificial neural network (ANN) theory. A visualized experiment for analyzing the heat transfer performance of heat pipes with nanofluid was ...
Yang Zhang, Xinli Wu
doaj   +1 more source

Heat-Transfer Characteristics in Screen-Wick Heat Pipes

open access: yesJSME international journal. Ser. 2, Fluids engineering, heat transfer, power, combustion, thermophysical properties, 1987
Heat transfer coefficients and maximum heat transfer rates due to capillary limitation were investigated in horizontal heat pipes with stainless-steel screen-wicks, using water as a working fluid. The heat transfer coefficients in a condenser can be estimated by the equation of heat transfer across the liquid-saturated wick.
Hideaki IMURA   +3 more
openaire   +3 more sources

Heat transfer characteristics of the heat pipe using simplified heat transfer model

open access: yesJournal of the Korea Academia-Industrial cooperation Society, 2015
본 연구의 목적은 전기동력 자동차의 전기-전자 장비들을 효과적으로 냉각시키면서 자체적으로 에너지 소비를 최소 화 시킬 수 있는 노력의 일환으로, 단순 열전달 모델을 이용하여 윅이 있는 히트파이프의 열전달 및 유동 특성을 고찰하는 것이다. 이를 위하여 히트파이프는 COMSOL프로그램을 이용하여 해석하였고, 작동유체로 물을 이용하였다.
Jae-Hyeong Seo   +3 more
openaire   +2 more sources

Heat Transfer and Fluid Flow Characteristic in banks Flat Tubes

open access: yesTikrit Journal of Engineering Sciences, 2011
In this research a study effect of the length ratio (L/Da) and the height ratio (H/Da) for banks flat tube heat exchanger In-Line and staggered arrangement on force convection heat transfer and friction coefficient by (Fluent-CFD) numerical program.
Amer Jameel Shareef   +1 more
doaj   +1 more source

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