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Bulgarian Journal of Physics
Print: 1310-0157 Online: 1314-2666
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RECOGNIZED BY THE EUROPEAN PHYSICAL SOCIETY 
Bulg. J. Phys. vol.27 no.S1 (2000), pp. 001-004
Void Reactivity Effect in a Typical CANDU Cell Using CPs and a Multistratified Coolant Model
M. Constantin, V. Balaceanu
Institute for Nuclear Research, PO Box 78, 0300 Pitesti, Romania
go backInstitute for Nuclear Research, PO Box 78, 0300 Pitesti, Romania
Abstract. In a CANDU type reactor the void reactivity coefficient is positive. The experimental data are very limited and the reactivity effects induced by the coolant properties changing is often difficult to take into account. Moreover, an estimation of the calculation errors is needed. A comparison between models is an usual approach to obtain detailed information. In our paper a heterogeneous multistratified coolant model is used.