Methodology of full-core Monte Carlo calculations with leakage parameter evaluations for benchmark critical experiment analysis

A. G. Sboev; A. S. Ilyashenko; O. A. Vetrova

doi:10.1117/12.267957

27 February 1997 Methodology of full-core Monte Carlo calculations with leakage parameter evaluations for benchmark critical experiment analysis

A. G. Sboev, A. S. Ilyashenko, O. A. Vetrova

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Proceedings Volume 2867, International Conference Neutrons in Research and Industry; (1997) https://doi.org/10.1117/12.267957
Event: Fifth International Conference on Applications of Nuclear Techniques: Neutrons in Research and Industry, 1996, Crete, Greece

Abstract

The method of bucking evaluation, realized in the MOnte Carlo code MCS, is described. This method was applied for calculational analysis of well known light water experiments TRX-1 and TRX-2. The analysis of this comparison shows, that there is no coincidence between Monte Carlo calculations, obtained by different ways: the MCS calculations with given experimental bucklings; the MCS calculations with given bucklings evaluated on base of full core MCS direct simulations; the full core MCNP and MCS direct simulations; the MCNP and MCS calculations, where the results of cell calculations are corrected by the coefficients taking into the account the leakage from the core. Also the buckling values evaluated by full core MCS calculations have differed from experimental ones, especially in the case of TRX-1, when this difference has corresponded to 0.5 percent increase of K_eff value.

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A. G. Sboev, A. S. Ilyashenko, and O. A. Vetrova "Methodology of full-core Monte Carlo calculations with leakage parameter evaluations for benchmark critical experiment analysis", Proc. SPIE 2867, International Conference Neutrons in Research and Industry, (27 February 1997); https://doi.org/10.1117/12.267957

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KEYWORDS

Monte Carlo methods

Calibration

Barium

Bromine

Computing systems

Diffusion

Error analysis

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