IIR document
Thermally developing flow of Al2O3-water nanofluid through regular N-sided polygonal ducts: A semi-analytic weighted residuals approach.
Author(s) : AREFMANESH A., ABBASIAN ARANI A. A., NIROUMAND A.
Type of article: Article, IJR article
Summary
A semi-analytical approach is proposed to solve the hydrodynamically fully developed and thermally developing flow and heat transfer of Al2O3-water nanofluid through N-sided polygonal ducts. Using the Galerkin weighted residuals method, closed-form solutions for the flow and temperature fields in various polygonal ducts for the constant wall temperature and uniform wall heat flux boundary conditions are obtained.Variations of the Nusselt number along the axial direction for different duct geometries and different volume fraction of the nanoparticles are presented. Comparisons of the results for special cases with the existing results from the literature indicate that the employed method is quite accurate. The results show that the heat transfer enhances with increasing the nanoparticles volume fraction.
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Pages: 136-156
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Details
- Original title: Thermally developing flow of Al2O3-water nanofluid through regular N-sided polygonal ducts: A semi-analytic weighted residuals approach.
- Record ID : 30021570
- Languages: English
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 78
- Publication date: 2017/06
- DOI: http://dx.doi.org/10.1016/j.ijrefrig.2017.03.007
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Indexing
- Themes: Heat transfer
- Keywords: Comparison; Heat transfer; Nusselt; Nanofluid; Duct; Flow
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