Nanofluids find applications as coolants in electronics, computing technology, new energy technologies, cancer therapy etc. They are used in nuclear reactors to address the safety related issues. Nanofluids have been proved as the next generation fluids in providing very efficient cooling with greater cooling capacities and thus catering to the growing needs of industry. This book deals with some mathematical models of heat transfer in nanofluid, considering the base fluid as Newtonian/non - Newtonian. The analysis will be useful to mechanical engineers, scientists working in Industry and to researchers who are studying the aspects of heat transfer in nanofluids.