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Steps towards the development of an experimentally verified simulation of pool nucleate boiling on a silicon wafer with artificial sites
Sanna, A. (Author), Karayiannis, T.G. (Author), Kenning, D.B.R. (Author), Hutter, C. (Author), Sefiane, K. (Author), Walton, A.J. (Author), Golobič, Iztok (Author), Pavlovič, Erik (Author), Nelson, R.A. (Author)

URLURL - Presentation file, Visit http://dx.doi.org/10.1016/j.applthermaleng.2008.05.021 New window

Abstract
Nucleate boiling is a very effective heat transfer cooling process, used in numerous industrial applications. Despite intensive research over decades, a reliable model of nucleate pool boiling is still not available. This paper presents a numerical and experimental investigation of nucleate boiling from artificial nucleation sites. The numerical investigation described in the first section of the paper is carried out by a hybrid mechanistic numerical code first developed at the University of Ljubljana to simulate the temperature field in a heated stainless steel plate with a large number of nucleation sites during pool boiling of water at atmospheric pressure. It is now being redeveloped to interpret experiments on pool boiling at artificial sites on a silicon plate and as a design tool to investigate different arrangements of sites to achieve high heat fluxes. The code combines full simulation of the temperature field in the solid wall with simplified models or correlations for processes in the liquid-vapour region. The current capabilities and limitations of the code are reviewed and improvements are discussed. Examples are given of the removal of computational constraints on the activation of sites in close proximity and improvements to the bubble growth model. Preliminary simulations are presented to compare the wall conditions to be used in the experiments on silicon at Edinburgh University with the conditions in current experiments on thin metal foils at Ljubljana.

Language:English
Keywords:prenos toplote, mehurčkasto vrenje, numerično simuliranje, toplotni tok, pool nucleate boiling, heat transfer, numerical simulations
Work type:Not categorized (r6)
Tipology:1.08 - Published Scientific Conference Contribution
Organization:FS - Faculty of Mechanical Engineering
Year:2008
Number of pages:str. 1327-1337
Numbering:Vol. 29, issue 7
UDC:536.2:519.6
ISSN on article:1359-4311
DOI:10.1016/j.applthermaleng.2008.05.021 Link is opened in a new window
COBISS.SI-ID:10694427 Link is opened in a new window
Views:392
Downloads:168
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Record is a part of a proceedings

Title:Selected papers from the 10th UK national heat transfer conference
COBISS.SI-ID:1378652 New window

Record is a part of a journal

Title:Applied thermal engineering
Shortened title:Appl. therm. eng.
Publisher:Elsevier Science
ISSN:1359-4311
COBISS.SI-ID:1861910 New window

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