… Numerical investigations are carried out to find the optimum size and shape of annular fin
geometry. Air is considered as a working fluid. Air enters from upstream boundary of cylinder at …

… In the case of wet fins, Kundu [21] evaluated an optimum fin shape of longitudinal, spine,
and annular fins by satisfying the maximization of the heat transfer rate under a constraint fin …

… the fin effectiveness by varying its shape characterized by … transfer optimization in finned
annular ducts under laminar … determination of optimal fin dimensions, shape and configuration. …

… optimum design of finned surfaces. A survey article by Aziz [2] provides the optimum dimensions
of straight fins, annular fins… ] are devoted to finding the shape of fins that would minimize …

… , the optimum shape of the fin profile can be obtained by finding the optimum values of the
… The first control point is positioned at the base of the fin that can move freely along the y-axis…

… The problem of optimizing the shape of the fins in order to … Moreover, we discuss some
criteria for planning finned annular … optimum finned annular duct geometry in different situations. …

… and a decrease in the number of fins from its optimal value, whereas the thermal stress … of
an array of identical annular fins having plane fin profiles (ie, trapezoidal shape) is carried out …

… the number of fins, their height relative to the annular gap, fin half-angle, and the annular
gap of … value for each type of fin shape except for trapezoidal fins with M ≥ 15 , for which it is …

… with temperature-dependent thermal parameters and different section shapes and heat …
In this study, the optimum design of rectangular profile annular fins with thermal parameters …

… The optimum dimensions of annular fins with temperature dependent thermal conductivity
were investigated in the present paper. The nonlinear fin equation was solved using the …