CSP Technologies for Sustainable Development

Dr. K. S. Reddy

Associate Professor & Head
Heat Transfer and Thermal Power Lab
Dept. of Mechanical Engineering
IIT Madras


Dr. K. S. Reddy is an Associate Professor and the Head of Heat Transfer and Thermal Power Lab., Dept. of Mechanical Engineering at IIT Madras, Chennai. He received his doctorate in the area of solar energy from Centre for Energy Studies, I.I.T. Delhi in 1999. Dr. Reddy started his academic career at National Institute of Technology (NIT) Warangal and after 4 years of successful service joined the faculty of I.I.T. Madras in 2003. His research interests include: Renewable energies, solar energy, energy and environment, heat transfer, two-phase materials. He has authored more than 80 research papers in reputed International journals and Conferences. He supervised/supervising 13 Ph.D. and 5 M.S. Research students ending up with valuable publications. He is a reviewer to several Journals and Books. Dr. Reddy has executed several National & International research projects on Solar Energy sponsored by various agencies such as UKIERI, MHRD, MNRE, DST, and AICTE etc. Dr. Reddy is actively involved in setting up of solar power plants in India. He is a consultant to several Energy and Power industries on Solar power generation and process heat, Energy conservation & Auditing in process and ceramic industries, and testing of insulation materials. Dr Reddy has organized several national and international Workshops on Energy at IIT Madras.

Talk Abstract

Solar thermal energy is an innovative technology for harnessing solar energy for thermal energy. Solar energy can be tapped to produce electricity in two distinct ways. One is using a photovoltaic system that uses sunlight as it is and the other is by using solar concentrators. The basic idea is to translate the sun’s energy in the form of impending photons to usable electricity. Solar Concentrators, such as that used in CSP, can be used to concentrate sunlight to be used either in a Photovoltaic system or a solar thermal system. Though these two technologies essentially use focused solar light to produce electricity, they differ in the way sunlight is converted to electricity. In the case of a photo-voltaic device, the focused light is converted to electricity by exploiting the electronic properties of semiconducting materials, whereas in the case of solar thermal, the focused light heats up a transport fluid which is then used to generate steam which drives a turbine using the Rankine cycle generator. This talk will feature several technical aspects of ¬†Concentrated Solar Power generation.

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