He started his professional career as a faculty at
IIT Kanpur in 1969 and has also taught as regular or adjunct faculty at
Imperial College (
London),
University of California (
Los Angeles),
Caltech (
Pasadena), and
California State University (
Northridge). He is a Fellow of the ASME and has served as Chairman of the IIT Kanpur Foundation Board. He has been a regular member of the IIT Gandhinagar Advisory Board since 2012. He has been engaged in assisting a number of educational institutes in their R&D and Industrial Relations Programs. He is the author or co-author of 12 books and over 200 technical publications. In 1979, Runchal established the ACRi group of companies that has offices in
Los Angeles,
Nice and
McLeod ganj. Since the 1970s, he has provided technology and CFD Simulation services to a over 200 clients that include major corporations, R&D organizations, cities and governments in over 20 countries. He is the principal author of the ANSWER, PORFLOW, TIDAL, and RADM
CFD software tools which deal with a broad spectrum of problems in
fluid dynamics, heat and mass transport, and
environmental pollution and are widely employed by commercial / academic and research organizations across the world. In 2011, Dr. Runchal founded a non-profit CFD Virtual Reality Institute to further the cause of CFD education, training and R&D. He is board of Governors Kangra Arts Promotion Society, an NGO working for the promotion of arts of the greater Kangra region which comprises the current district of Kangra and surrounding areas that were once ruled by the Kangra Dynasty. == References ==