Arunn Narasimhan received his Ph.D. in 2002 from Southern Methodist University, USA. Before joining IIT Madras, he was a staff engineer in the Microlithography division of FSI International, Allen, TX, USA.
His major research interests are heat and fluid flow in porous and biological systems.
His publications include a graduate level textbook on heat and fluid flow in porous media, several invited book chapters, two invited review articles and over hundred peer reviewed research articles in international journals and international conference proceedings.
He has also authored three popular science books and two novels in Tamil language.