ICONE15-10388 NUMERICAL SIMULATION OF NATURAL CONVECTION HEAT TRANSFER FROM A DOWNWARD-FACING HORIZONTAL ROUND PLATE IN CONFINED SPACE

Abstract

In this paper, a mathematical model has been developed by simplifying assumptions typical for natural convective heat transfer from a downward-facing horizontal round plate in confined space. By discretizing the differential equations and setting up the relationship between temporal and spatial nodes, the solution of the resulting differential equation is presented in the form of a correlation between the dimensionless Nusselt and Rayleigh numbers. The numerical result is compared with the experimental measurements of heat transfer from a heated round horizontal plate of 0.3m and 0.1m in diameter performed in water. The numerical and experimental results are in excellent agreement.