Laminar and turbulent natural convection combined with surface thermal radiation in a square cavity with a glass wall

Analysis on the heat transfer in a square cavity with a semitransparent wall: Effect of the roof materials

“…This study shall extend the work carried out by Xaman et al [11,14]. In this work, we consider a detailed study of fluid flow and heat transfer by turbulent natural convection and surface thermal radiation in a square cavity with a vertical glass wall and horizontal opaque wall on top of the cavity, unlike previous works of the author, where the effect of the roof materials has not been considered, that is to say, a roof material as a mixture of concrete and a composite material (concreteeexpanded polystyrene) with different thicknesses and diverse types of water-repellent coatings on top of it.…”

“…The numerical code developed to solve this problem has been verified and validated using different problems from literature, comparisons have been reported on diverse publications [10,11,14,21,22]. Among these comparisons, there is the verification and validation of the Benchmak problem for natural convection with turbulent flow in square cavity reported by [3] for numerical results, and [23] for experimental results.…”

“…Results show that the total energy transferred through the glass/solar control coating system is lower than the one that uses clear glass. Xamán et al [11] studied the conjugate heat transfer (laminar and turbulent natural convection, surface thermal radiation and conduction) in a square cavity with a glass wall. Results show that the flow pattern is not symmetric due to the combined effect of non-isothermal glass wall and radiative exchange inside the cavity and if the surface thermal radiation is neglected, significant under estimations in the total heat transfer is found.…”

Conjugate turbulent heat transfer in a square cavity with a solar control coating deposited to a vertical semitransparent wall

“…However, this reduction in the convection effect is mainly compensated by the contribution of radiation; these results emphasize the need for coupling radiation and convection for accurate prediction of heat transfer in enclosures. Recently, Xamán et al (2008) studied the conjugate heat transfer (laminar and turbulent natural convection, surface thermal radiation and conduction) in a square cavity with a glass wall. The Rayleigh number was varied in the range of 10 3 6 Ra 6 10 12 .…”

Analysis of Combined Natural Convection and Radiation Heat Transfer Using a Similarity Solution

“…Bataller (2008a;2008b) analyzed the effects of thermal radiation on the laminar boundary layer adjacent to a flat plate in a uniform stream of fluid (Blasius flow) and also on a moving plate in a quiescent ambient fluid (Sakiadis flow) under convective-radiative surface boundary conditions. Also, many studies on laminar and turbulent natural convection heat transfer coupled with radiation heat transfer in the presence of a radiative surface and/or participating medium in an enclosure have been published (Xamán et al, 2008;Moghadassian and Kowsary, 2014;Bouali et al, 2006). Thermal radiation effect in natural convection for a cylinder has been investigated by a number of researchers.…”