An experimental and numerical study has been carried out to investigate the forced convection heat transfer by clean or dusty air in a two dimensional annulus enclosure filled with porous Bath media (glass beads) between two vertical concentric cylinders.The outer cylinder is of (82 mm) outside diameters and the inner cylinder of (27 mm) outside di
In economics, as in other disciplines, one often comes across the term "Whig" or its derivatives.One will find, for example, a particular account being SMOOTH STRAIGHTENER GEL branded as whiggish.Butterfield, who was a historian, introduced the idea of a Whig interpretation of history in 1931.Since then the term has usually been used to classify an
Propolis is a natural resinous substance collected by honeybees from buds and exu-dates of trees.The material has attracted much attention in recent years as a functional food component since it possesses various biological properties, including antimicro-bial, antioxidative, and anti-ulcer properties.In this study, the performance of accel-erated