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Science and Technology of Nuclear Installations
Volume 2014 (2014), Article ID 707384, 7 pages
Research Article

Analysis on Steady-State Operation and Heat Loss of Chinese Integrated Pressurized Water Reactor

School of Nuclear Science and Engineering, North China Electric Power University, Beijing 102206, China

Received 8 June 2014; Revised 19 August 2014; Accepted 20 August 2014; Published 1 September 2014

Academic Editor: Borut Mavko

Copyright © 2014 Zhang Fan et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Chinese integrated pressurized water reactor (CIPWR) has compact configuration and high inherent safety, which is appropriate for nuclear power plants of small and medium scale. Heat balance model has been adopted widely in thermal power calibration of PWRs because of its advantage of accuracy. In this paper, a package based on FORTRAN language is developed and added into RELAP5 to calculate the heat loss value needed in heat balance analysis. The steady-state operation of CIPWR is modelled correctly by RELAP5. The heat loss of CIPWR is calculated by the package, and the comparison of the main values of parameters needed in the heat loss calculation between RELAP5 and the package has been done. It shows that the package has high calculation accuracy and can be applied in reactor design and monitoring.