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Title: Core safety of Indian nuclear power plants (NPPs) under extreme conditions
Authors: Joshi J.B.
Nayak A.K.
Singhal, Mukesh Kumar
Mukhopadhaya D.
Published in: Sadhana - Academy Proceedings in Engineering Sciences
Abstract: Nuclear power is currently the fourth largest source of electricity production in India after thermal, hydro and renewable sources of electricity. Currently, India has 20 nuclear reactors in operation and seven other reactors are under construction. Most of these reactors are indigenously designed and built Heavy Water Reactors. In addition, a 300 MWe Advanced Heavy Water Reactor has already been designed and in the process of deployment in near future for demonstration of power production from Thorium apart from enhanced safety features by passive means. India has ambitious plans to enhance the share of electricity production from nuclear. The recent Fukushima accident has raised concerns of safety of Nuclear Power Plants worldwide. The Fukushima accident was caused by extreme events, i.e., large earthquake followed by gigantic Tsunami which are not expected to hit India's coast considering the geography of India and historical records. Nevertheless, systematic investigations have been conducted by nuclear scientists in India to evaluate the safety of the current Nuclear Power Plants in case of occurrence of such extreme events in any nuclear site. This paper gives a brief outline of the safety features of Indian Heavy Water Reactors for prevention and mitigation of such extreme events. The probabilistic safety analysis revealed that the risk from Indian Heavy Water Reactors are negligibly small. © 2013 Indian Academy of Sciences.
Citation: Sadhana - Academy Proceedings in Engineering Sciences, 38(5): 945-970
Issue Date: 2013
Keywords: AHWR
core safety
extreme events
heavy water reactor
Indian NPPs
ISSN: 2562499
Author Scopus IDs: 55901607700
Author Affiliations: Joshi, J.B., Homi Bhabha National Institute, Anushaktinagar, Mumbai, 400 094, India
Nayak, A.K., Reactor Engineering Division, Bhabha Atomic Research Centre, Trombay, Mumbai, 400 085, India
Singhal, M., Nuclear Power Corporation of India Limited, Anushaktinagar, Mumbai, 400 0094, India
Mukhopadhaya, D., Reactor Safety Division, Bhabha Atomic Research Centre, Trombay, Mumbai, 400 085, India
Corresponding Author: Joshi, J. B.; Homi Bhabha National Institute, Anushaktinagar, Mumbai, 400 094, India; email:
Appears in Collections:Journal Publications [HRE]

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