K.V. NARAYANAN, PhD, is former Professor and Head, Department of Chemical Engineering, Government Engineering College, Thrissur. Before that, he was Professor and Head, Department of Chemical Engineering, Government Engineering College, Kozhikode. Dr. Narayanan has about 30 years of teaching experience and is a member of several professional bodies. He has also served as Principal in various engineering colleges for about 10 years. The author of A Textbook of Chemical Engineering Thermodynamics, Second Edition (published by PHI Learning), he has contributed a number of research articles to reputed international journals.