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2013 (Vol. 6, Issue: 11)
Article Information:

Three Dimensional Numerical Simulation on Nuclear Reactor Interior Flow and Temperature Field of a 1000MW Unit

Jian-Quan Liu, Bao-Min Sun, Zhu-San Li, De-Liang Zhang, Ling-Yun Zhou and Tao Bai
Corresponding Author:  Jian-Quan Liu 

Key words:  Circuit failure, inlet failure, flow and temperature field, numerical simulation, standard k- model, ,
Vol. 6 , (11): 2019-2026
Submitted Accepted Published
November 24, 2012 January 17, 2013 July 25, 2013
Abstract:

The Flow and Temperature Field of a 1000MW Unit Nuclear reactor operation process was numerically studied with standard k- model. The conditions of reactor normal, circuit and inlet failure were studied. The different reactor flow characteristics between normal operating and two kinds of failure cases were compared. The numerical simulation and experiment result as follows: In normal operation condition, coolant of three circuits is distributed in symmetry along circumference of the reactor inlet ring. The coolant flow surrounding and center is relatively large before the reactor core inlet. At upper grating plate region, the coolant flow is symmetry distributed along the grating plate. In case that a circuit fails suddenly and the coolant totally loses, the distribution of water flow for operation circuits is unevenly increased rapidly. In case three circular passages at inlet of the reactor is unevenly blocked by sundries, when a circuit fails suddenly and coolant is totally lost, asymmetry of water flow distribution for three circuits will increase further, which may accelerate the degree and probability of damage to reactor core.
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  Cite this Reference:
Jian-Quan Liu, Bao-Min Sun, Zhu-San Li, De-Liang Zhang, Ling-Yun Zhou and Tao Bai, 2013. Three Dimensional Numerical Simulation on Nuclear Reactor Interior Flow and Temperature Field of a 1000MW Unit.  Research Journal of Applied Sciences, Engineering and Technology, 6(11): 2019-2026.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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