Publication de 8 numéros par an
ISSN Imprimer: 1065-5131
ISSN En ligne: 1563-5074
Indexed in
A Validated Procedure for the Prediction of Fully-Developed Nusselt Numbers and Friction Factors in Pipes with 3-Dimensional Roughness
RÉSUMÉ
A computer program based on the discrete element method has been developed and validated to compute friction factors and Nusselt numbers for thermally fully-developed turbulent flow in pipes with 3-dimensional roughness elements. Validation is achieved by comparing the computational results with accepted experimental data cited in the heat transfer literature. The predictions are in general in very good agreement with the experimental data and tend to confirm the predictive validity of the approach.
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McClain Stephen T., Hodge B. Keith, Bons Jeffrey P., The Effect of Element Thermal Conductivity on Turbulent Convective Heat Transfer From Rough Surfaces, Journal of Turbomachinery, 133, 2, 2011. Crossref
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McClain Stephen T., Brown Jason M., Reduced Rough-Surface Parametrization for Use With the Discrete-Element Model, Journal of Turbomachinery, 131, 2, 2009. Crossref
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McClain Stephen T., Collins S. Patrick, Hodge B. Keith, Bons Jeffrey P., The Importance of the Mean Elevation in Predicting Skin Friction for Flow Over Closely Packed Surface Roughness, Journal of Fluids Engineering, 128, 3, 2006. Crossref
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Bons J. P., McClain S. T., Wang Z. J., Chi X., Shih T. I., A Comparison of Approximate Versus Exact Geometrical Representations of Roughness for CFD Calculations of cf and St, Journal of Turbomachinery, 130, 2, 2008. Crossref
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Eckert E.R.G., Goldstein R.J., Ibele W.E., Patankar S.V., Simon T.W., Strykowski P.J., Tamma K.K., Kuehn T.H., Bar-Cohen A., Heberlein J.V.R., Hofeldt D.L., Stelson K.A., Davidson J.H., Heat transfer—a review of 1993 literature, International Journal of Heat and Mass Transfer, 39, 5, 1996. Crossref
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McClain Stephen, Vargas Mario, Kreeger Richard, Tsao Jen-Ching, Heat Transfer from Roughness Elements and Protuberances: Part II -- Correlations for Protuberance Heat Transfer, 44th AIAA Aerospace Sciences Meeting and Exhibit, 2006. Crossref
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Bons J. P., McClain S. T., Wang Z. J., Chi X., Shih T. I., A Comparison of Approximate vs. Exact Geometrical Representations of Roughness for CFD Calculations of CF and ST, Heat Transfer, Part A, 2005. Crossref