Results 11 to 20 of about 6,384,297 (281)

Flow patterns and heat transfer for flow boiling in small to micro diameter tubes [PDF]

open access: yes, 2008
An overview of the recent developments in the study of flow patterns and boiling heat transfer in small to micro diameter tubes is presented. The latest results of a long-term study of flow boiling of R134a in five vertical stainless steel tubes of ...
Karayiannis, TG   +3 more
core   +6 more sources

A study of nucleate boiling and critical heat flux with EHD enhancement [PDF]

open access: yes, 2007
The paper describes results from an experimental and theoretical study of the effect of an electric field on nucleate boiling and the critical heat flux (CHF) in pool boiling of R123 at atmospheric pressure on a horizontal wall with a smooth surface. Two
Hristov, Y   +4 more
core   +6 more sources

Parametric effects on dryout of propane in a vertical circular mini-channel [PDF]

open access: yes, 2011
This paper was presented at the 3rd Micro and Nano Flows Conference (MNF2011), which was held at the Makedonia Palace Hotel, Thessaloniki in Greece.
Palm, B   +3 more
core   +6 more sources

R134a flow boiling heat transfer in small diameter tubes [PDF]

open access: yes, 2007
Copyright @ 2007 RT Edwards Inc.Boiling heat transfer in small diameter tubes has been experimentally investigated using R134a as the working fluid. The heat transfer periments were conducted with two stainless steel tubes of internal diameter 4.26 mm ...
Huo, Y, Karayiannis, TG, Tian, S
core   +6 more sources

Effects of surface modifications on pool boiling heat transfer with HFE-7100

open access: yesInternational Journal of Thermofluids, 2023
This study explores pool boiling of HFE-7100 on copper surfaces. The key objective of this study was to examine the effects that surface modifications have on nucleate boiling performance.
Genesis Mlakar   +2 more
doaj   +1 more source

Experimental Study on Thermal Performance of a Bent Copper-Water Heat Pipe

open access: yesInternational Journal of Aerospace Engineering, 2020
Vapor-liquid phase change is regarded as an efficient cooling method for high-heat-flux electronic components. The copper-water bent heat pipes are particularly suited to the circumstances of confined space or misplaced heat and cold sources for high ...
Shuangshuang Miao   +4 more
doaj   +1 more source

Application of the Critical Heat Flux Look-Up Table to Large Diameter Tubes

open access: yesScience and Technology of Nuclear Installations, 2013
The critical heat flux look-up table was applied to a large diameter tube, namely 67 mm inside diameter tube, to predict the occurrence of the phenomenon for both vertical and horizontal uniformly heated tubes. Water was considered as coolant.
M. El Nakla   +5 more
doaj   +1 more source

Thermal-hydraulic analysis of light water reactors under different steady-state operating conditions, Part 1: Boiling water reactor [PDF]

open access: yesNuclear Technology and Radiation Protection, 2022
The steady-state thermal-hydraulic analysis of the core of the Boiling Water Reactor (BWR/6) at nominal operating conditions is presented in this paper. The BWR/6 is produced by General Electric USA.
Hutli Ezddin, Kridan Ramadan
doaj   +1 more source

Use of a thin liquid film moving under the action of gas flow in a mini-channel for removing high heat fluxes

open access: yesMATEC Web of Conferences, 2017
Intensively evaporating liquid films shear-driven in a mini- or micro-channel under the action of cocurrent gas flow are promising for the use in modern cooling systems of semiconductor devices.
Zaitsev Dmitry   +3 more
doaj   +1 more source

Investigation of the critical heat flux in small-diameter channels [PDF]

open access: yesNuclear Energy and Technology, 2021
The paper describes experimental studies into the hydrodynamics and heat exchange in a forced water flow in small-diameter channels at low pressures. The timeliness of the studies has been defined by the growing interest in small-size heat exchangers ...
Vladimir I. Belozerov   +1 more
doaj   +3 more sources

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