Kumar, Anil; Saini, R.P.; Saini, J.S. - In: Renewable Energy 47 (2012) C, pp. 77-94
Artificial roughness in the form of repeated ribs is one of the effective way of improving the performance of a solar air heater ducts. Various studies have been carried out to determine the effect of different artificial roughness geometries on heat transfer and friction characteristics in...