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research-article

Benchmarking Severe Accident Computer Codes for Heavy Water Reactor Applications

[+] Author and Article Information
Thambiayah Nitheanandan

Canadian Nuclear Laboratories Chalk River, Ontario, Canada K0J 1J0
thambiayah.nitheanandan@cnl.ca

X. Cao

Shanghai Jiao Tong University Shanghai, China
caoxuewu@sjtu.edu.cn

J.-H. Choi

International Atomic Energy Agency, Vienna, Austria
jhchoi2@kepco-enc.com

D. Dupleac

Politechnica University of Bucharest, Bucharest, Romania
danieldu@cne.pub.ro

D.-H. Kim

Korea Atomic Energy Research Institute, Daejeon, Republic of Korea
dhkim8@kaeri.re.kr

H. G. Lele

Bhabha Atomic Research Centre, Mumbai, India
hglele@barc.gov.in

A. K. Nayak

Bhabha Atomic Research Centre, Mumbai, India
arunths@barc.gov.in

H. P. Rammohan

Nuclear Power Corporation of India Limited, Mumbai, India
hprammohan@npcil.co.in

1Corresponding author.

ASME doi:10.1115/1.4035726 History: Received July 29, 2016; Revised November 22, 2016

Abstract

The International Atomic Energy Agency (IAEA) organized a Coordinated Research Project (CRP) on “Benchmarking Severe Accident Computer Codes for HWR Applications”, and the activity was completed in 2012 [1]. This paper summarizes the results from the CRP: the selection of a severe accident sequence, definition of appropriate geometrical and boundary conditions, benchmarking code analyses, comparison of the code results, evaluation of the capabilities of existing computer codes to predict important severe accident phenomena, and suggestions for code improvements and/or new experiments to reduce uncertainties.

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