Abstract
An axisymmetric convection flow within a vertical cylindrical enclosure with adiabatic wavy sidewall was studied. Two important cases of thermal convection were considered, heating from below and heating from the top, while the wavy sidewall is adiabatic. An analytical coordinate transformation was used to obtain a coordinate frame for computation in which the irregular domain fits into a square. Non-dimensional parameters which include the cavity aspect ratio, dimensionless wavelength, dimensionless amplitude, constant Prandtl number equal to \(7\), and Rayleigh numbers between \(10^{3}\) and \(10^{6}\), were used to characterize the convection heat transfer through the cavity. Computational solutions showed that the wavy wall promotes thermal stratification and low velocity multiple cells patterns. The effect of the wavy wall was found to restrict the convection fluid flow which yields low heat transfer through the cavity.
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Authors would like to thank financial support from PAICyT-UANL through the Project IT 647-11.
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Appendix: Coefficients and Parameters
Appendix: Coefficients and Parameters
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Sánchez Cruz, F.A., Martínez Martínez, S., Ramírez Hernández, H.G., Méndez Díaz, S. (2015). Thermal Convection in a Cylindrical Enclosure with Wavy Sidewall. In: Klapp, J., Ruíz Chavarría, G., Medina Ovando, A., López Villa, A., Sigalotti, L. (eds) Selected Topics of Computational and Experimental Fluid Mechanics. Environmental Science and Engineering(). Springer, Cham. https://doi.org/10.1007/978-3-319-11487-3_30
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