%0 Conference Paper %K Absorption %K Solar energy %K Nanofluids %A Himanshu Tyagi %A Patrick E Phelan %A Ravi S Prasher %B ASME 2007 Energy Sustainability Conference %D 2007 %G eng %I American Society of Mechanical Engineers %P 729–736 %R 10.1115/ES2007-36139 %S ASME 2007 Energy Sustainability Conference %T Predicted Efficiency of a Nanofluid-Based Direct Absorption Solar Receiver %8 07/2007