Abstract
Objective: Phase-change heat transfer enhancement is of critical importance to meet high cooling demands.
Method: Recently, surface engineering (surface structuring) has emerged as a promising heat transfer enhancement method, especially with the development of nanotechnology. Surface parameters such as wettability, surface roughness and porosity are modified by surface engineering. Aims: This work aims to discuss the parametric effects of wettability, surface roughness and porosity on pool boiling heat transfer performance by selecting several promising micro/nanoscale enhancement techniques as examples. Conclusion: More efforts are needed as phase-change phenomena on micro/ nanostructures are complicated due to the multiscales of the engineered micro/ nanostructures and the length-scales of the bubble dynamics.Keywords: Heat transfer, micro/nanostructure, pool boiling, porosity, roughness, wettability.
Graphical Abstract
Nanoscience & Nanotechnology-Asia
Title:Effects of Engineered Micro/Nanostructures on Nucleate Pool Boiling Heat Transfer
Volume: 7 Issue: 2
Author(s): Bengt Sundén*, Sahar A. Abbood and Zan Wu
Affiliation:
- Department of Energy Sciences, Lund University, P.O. Box 118, Lund SE-22100,Sweden
Keywords: Heat transfer, micro/nanostructure, pool boiling, porosity, roughness, wettability.
Abstract: Objective: Phase-change heat transfer enhancement is of critical importance to meet high cooling demands.
Method: Recently, surface engineering (surface structuring) has emerged as a promising heat transfer enhancement method, especially with the development of nanotechnology. Surface parameters such as wettability, surface roughness and porosity are modified by surface engineering. Aims: This work aims to discuss the parametric effects of wettability, surface roughness and porosity on pool boiling heat transfer performance by selecting several promising micro/nanoscale enhancement techniques as examples. Conclusion: More efforts are needed as phase-change phenomena on micro/ nanostructures are complicated due to the multiscales of the engineered micro/ nanostructures and the length-scales of the bubble dynamics.Export Options
About this article
Cite this article as:
Sundén Bengt*, Abbood A. Sahar and Wu Zan , Effects of Engineered Micro/Nanostructures on Nucleate Pool Boiling Heat Transfer, Nanoscience & Nanotechnology-Asia 2017; 7 (2) . https://dx.doi.org/10.2174/2210681207666170407170540
DOI https://dx.doi.org/10.2174/2210681207666170407170540 |
Print ISSN 2210-6812 |
Publisher Name Bentham Science Publisher |
Online ISSN 2210-6820 |
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