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Effect of Nanostructured Microporous Surfaces on Pool Boiling Augmentation. / Gheitaghy, Amir Mirza; Saffari, Hamid; Zhang, Guo Qi.

In: Heat Transfer Engineering, 2018, p. 1-10.

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@article{a6be14319a6f42729af4430bdd0c3a9d,
title = "Effect of Nanostructured Microporous Surfaces on Pool Boiling Augmentation",
abstract = "Nanostructured microporous surfaces were electrodeposited at various electrolyte temperatures on copper substrate to investigate the saturated pool boiling enhancement of distilled water at atmospheric pressure. Surface structure topography and wickability were analyzed to investigate their relation to critical heat flux. Scanning electron microscope showed that the micro-clusters have nanostructures from cubic at 5°C to dendritic at 60°C electrolyte temperature. Rate-of-rise experiments demonstrated that dendritic copper structure has the best capillary performance. The experimental results of pool boiling heat transfer indicate that the critical heat flux increased with surface wickability. Electrodeposited porous surface in hot electrolyte showed the highest critical heat flux and heat transfer coefficient of the 124 W/cm2 and 17 W/cm2K, respectively, which is 50% and 270% higher than that of plain surface. However, the two-step electrodeposition and annealing were used in fabrication of surfaces, but the mechanical strength of layer needs more improvement by changing the electrochemical process parameters.",
author = "Gheitaghy, {Amir Mirza} and Hamid Saffari and Zhang, {Guo Qi}",
year = "2018",
doi = "10.1080/01457632.2018.1442310",
language = "English",
pages = "1--10",
journal = "Heat Transfer Engineering",
issn = "0145-7632",
publisher = "Taylor & Francis",

}

RIS

TY - JOUR

T1 - Effect of Nanostructured Microporous Surfaces on Pool Boiling Augmentation

AU - Gheitaghy, Amir Mirza

AU - Saffari, Hamid

AU - Zhang, Guo Qi

PY - 2018

Y1 - 2018

N2 - Nanostructured microporous surfaces were electrodeposited at various electrolyte temperatures on copper substrate to investigate the saturated pool boiling enhancement of distilled water at atmospheric pressure. Surface structure topography and wickability were analyzed to investigate their relation to critical heat flux. Scanning electron microscope showed that the micro-clusters have nanostructures from cubic at 5°C to dendritic at 60°C electrolyte temperature. Rate-of-rise experiments demonstrated that dendritic copper structure has the best capillary performance. The experimental results of pool boiling heat transfer indicate that the critical heat flux increased with surface wickability. Electrodeposited porous surface in hot electrolyte showed the highest critical heat flux and heat transfer coefficient of the 124 W/cm2 and 17 W/cm2K, respectively, which is 50% and 270% higher than that of plain surface. However, the two-step electrodeposition and annealing were used in fabrication of surfaces, but the mechanical strength of layer needs more improvement by changing the electrochemical process parameters.

AB - Nanostructured microporous surfaces were electrodeposited at various electrolyte temperatures on copper substrate to investigate the saturated pool boiling enhancement of distilled water at atmospheric pressure. Surface structure topography and wickability were analyzed to investigate their relation to critical heat flux. Scanning electron microscope showed that the micro-clusters have nanostructures from cubic at 5°C to dendritic at 60°C electrolyte temperature. Rate-of-rise experiments demonstrated that dendritic copper structure has the best capillary performance. The experimental results of pool boiling heat transfer indicate that the critical heat flux increased with surface wickability. Electrodeposited porous surface in hot electrolyte showed the highest critical heat flux and heat transfer coefficient of the 124 W/cm2 and 17 W/cm2K, respectively, which is 50% and 270% higher than that of plain surface. However, the two-step electrodeposition and annealing were used in fabrication of surfaces, but the mechanical strength of layer needs more improvement by changing the electrochemical process parameters.

UR - http://www.scopus.com/inward/record.url?scp=85044030180&partnerID=8YFLogxK

U2 - 10.1080/01457632.2018.1442310

DO - 10.1080/01457632.2018.1442310

M3 - Article

AN - SCOPUS:85044030180

SP - 1

EP - 10

JO - Heat Transfer Engineering

JF - Heat Transfer Engineering

SN - 0145-7632

ER -

ID: 43039776