Selected papers from the 21st national & 10th ISHMT-ASME heat and mass transfer conference

It is our great pleasure to present this special issue of Heat Transfer Engineering with a selection of papers presented at the 21st National & 10th ISHMT-ASME Heat and Mass Transfer Conference, held on December 27-30, 2011. The conference was jointly sponsored by the Indian Society of Heat and Mass Transfer (ISHMT) and the American Society of Mechanical Engineers and was held at the Indian Institute of Technology Madras campus in Chennai, India.