ADVANCED PASSIVE COOLING SOLUTIONS FOR ENHANCEMENT OF SAFETY IN NUCLEAR POWER PLANTS
36th Annual CNS Conference - 2016 June 19-22


Presented at:
36th Annual CNS Conference
2016 June 19-22
Location:
Toronto, Canada
Session Title:
Session T1B: Reactor Safety and Licensing 4

Authors:
M. Reuter (AREVA GmbH)
L. Ornot (AREVA GmbH)
C. Schuster (Technische Universität Dresden)
A. Hurtado (Technische Universität Dresden)
  

Abstract

After the Fukushima accident the development and implementation of additional safety features in nuclear power plants has become more important. AREVA is developing in cooperation with the Technische Universität Dresden new advanced cooling solutions for increasing safety nuclear power plants.

By using an inherent safe passive cooling system for wet spent fuel pools, an adequate cooling of all fuel assemblies can be guaranteed, even in case of a station blackout. In Dresden two large-scale test facilities investigate the thermal hydraulic behavior of single-phase and two-phase passive cooling systems driven by natural circulation. The test results are used for designing cooling systems for the nuclear and the industrial field.

If there is no space on the pool walls for heat exchangers, mobile heat exchangers can be placed into a free position of the fuel storage racks. Those mobile heat exchanger modules are designed in a similar geometry of a fuel assembly called Advanced Cooling Tube. 

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