Singh, Sukhmeet; Chander, Subhash; Saini, J.S. - In: Energy 37 (2012) 1, pp. 749-758
The artificially rib roughened solar air heaters perform thermally better than the conventional flat-plate solar air heater under same operating conditions. However, the artificial rib roughness leads to higher friction factor thereby increasing pumping power. The second law based exergy...