Experimental Study on EHD Heat Transfer Enhancement of Semi Circular Ribs into Channel

In this study, the heat transfer enhancement on semicircularribs established on the floor of rectangular duct isinvestigated. These ribs were used as heat sources andcooling of them has been achieved with EHD active methodby experimental procedure. The flow was threedimensional, steady, viscous and incompressible withregimes of both laminar and turbulent ( 500  Re  4500 ).Thehydrodynamics and heat transfer behavior of the air flowwas studied by EHD active method with application ofcorona wind. The aim of this work is application of EHDactive method for convective heat transfer enhancement. Inthis method, two arrangements of wire electrodes have beenachieved. The results show that in same Reynolds numbersand voltages of wire electrodes, the heat transferenhancement was increase in arrangement 1 thanarrangement 2.

کلیدواژه ها:

Convection ، Enhancement ، Ribs ، EHD ، CoronaWind