Results 11 to 20 of about 574,276 (352)

Comparative Numerical Study on Global Heat Transfer Process in Micro-Channel Gas Coolers with Different Structures [PDF]

open access: yesJournal of Applied Fluid Mechanics, 2022
A numerical simulation of global heat transfer process in three types of micro-channel heat exchangers was investigated in this paper: spiral double-pipe micro-channel heat exchanger (DPHE), cross-plate micro-channel heat exchanger (CPHE), and shell and ...
D. Yang, N. Wang, J. Xie, J. Wang
doaj   +1 more source

Experimental Investigation of Two-Phase Flow Boiling Heat Transfer Coefficient and Pressure Drop of R448A inside Multiport Mini-Channel Tube

open access: yesEnergies, 2022
Regulations and restrictions against high global warming potential (GWP) refrigerants have been introduced to encourage the adoption of environmentally friendly refrigerants and mitigate the environmental impact of the HVAC industry.
Hieu Ngoc Hoang   +2 more
doaj   +1 more source

Experimental studies on nucleate pool boiling heat transfer to ethanol/MEG/DEG ternary mixture as a new coolant [PDF]

open access: yesChemical Industry and Chemical Engineering Quarterly, 2012
In this paper, nucleate pool boiling heat transfer coefficient of ternary mixtures of ethanol, monoethylene glycol (MEG) and diethylene glycol (DEG) as a new coolant with higher heat transfer coefficient has been investigated.
Sarafraz M.M.   +2 more
doaj   +1 more source

Tyre–Road Heat Transfer Coefficient Equation Proposal

open access: yesApplied Sciences, 2023
Tyres are one of the most important elements of a vehicle because they are the link to the road and have a huge impact on traffic-related pollution. Knowing their behaviour, thus being able to use them at their best and reducing their wear rate, is one ...
Paolo Cattani   +2 more
doaj   +1 more source

Local Heat Transfer Measurements on a Rotating Flat Blade Model with a Single Film Hole [PDF]

open access: yes, 2009
An experimental study was performed to measure the heat transfer coefficient distributions on a flat blade model under rotating operating conditions. A steady-state thermochromic liquid crystal technique was employed to measure the surface temperature ...
Tao, Z   +4 more
core   +2 more sources

Numerical simulation of heat transfer performance of spiral wound heat exchanger under sloshing condition.

open access: yesPLoS ONE, 2023
LNG floating production storage and offloading (FPSO) unit is a new type of floating production unit developed for offshore natural gas fields. It performs the functions of natural gas extraction, pretreatment, liquefaction, and storage.
Longfei Dong, Congcong Dong, Xiao Wu
doaj   +1 more source

Characteristic of boiling heat transfer coefficient for porous metal fins

open access: yesNihon Kikai Gakkai ronbunshu, 2018
Porous metal fin was used as boiling heat transfer plate of phase change devices. The number of cells of the porous metal fin is 8 ppi, and the pore diameter of the porous metal fin is 3.1 mm.
Yoshihiro KONDO, Hiroyuki KOSHITA
doaj   +1 more source

Numerical simulation of convection heat transfer of supercritical carbon dioxide in horizontal straight tube

open access: yesJournal of Hebei University of Science and Technology, 2019
In order to enhance the heat transfer performance of CO2 heat pump, the heat transfer performance of supercritical carbon dioxide in horizontal straight tube is conducted based on Fluent numerical simulation method. Cooling heat transfer of supercritical
Haiting CUI, Siwen LIU, Shaozheng WANG
doaj   +1 more source

Measurement of the Convective Heat-Transfer Coefficient [PDF]

open access: yesThe Physics Teacher, 2014
We propose an experiment for investigating how objects cool down toward the thermal equilibrium with their surroundings. We describe the time dependence of the temperature difference of the cooling objects and the environment with an exponential decay function.
Conti, Rosaria   +2 more
openaire   +2 more sources

Modelling and simulation techniques for forced convection heat transfer in heat sinks with rectangular fins [PDF]

open access: yes, 2009
The official published version of this article can be found at the link below.This paper provides a comprehensive description of the thermal conditions within a heat sink with rectangular fins under conditions of cooling by laminar forced convection. The
Aung   +14 more
core   +1 more source

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