@article{paperid:1042965, author = {Mahian, Omid and Kianifar, Ali and Ahmet Z. Sahin and Somchai Wongwises}, title = {Entropy generation during Al2O3/water nanofluid flow in a solar collector: Effects of tube roughness, nanoparticle size, and different thermophysical models}, journal = {International Journal of Heat and Mass Transfer}, year = {2014}, volume = {78}, number = {11}, month = {August}, issn = {0017-9310}, pages = {64--75}, numpages = {11}, keywords = {Solar collector; Entropy generation; Nanofluid; Tube roughness; Nanoparticle size; Thermophysical models}, }