Conference Proceedings Paper
Heat Flux and Temperature Determination on the Control Rod Outer Surface
NURETH-14 - 2011 September 25-30
Jan Taler (Cracow University of Technology)
Artur Cebula (Cracow University of Technology)
Jerzy Marcinkiewicz (Forsmarks Kraftgrupp AB)
Hernan Tinoco (Forsmarks Kraftgrupp AB)
The paper presents heat transfer calculation results concerning a control rod of Unit 3 of Forsmark Nuclear Power Plant (NPP). The part of the control rod, which is the object of interest, is surrounded by a mixing region of hot and cold flows and, as a consequence, is subjected to thermal fluctuations. The paper describes a numerical test which validates the method based on the solution of the inverse heat conduction problem (IHCP). The comparison of the results achieved by two methods, CFD and IHCP, including a description of the IHCP method used in the calculation process, shows a very good agreement between the methods.
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