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Background: Heat energy produced in nuclear reactors and nuclear fuel cycle facilities interactions modifies the physical properties of the shielding materials containing water content. Therefore, in the present paper, effect of the heat on shielding effectiveness of the concretes is investigated for gamma and neutron. The mass attenuation coefficients, effective atomic numbers, fast neutron removal cross-section and exposure buildup factors. Materials and Methods: The mass attenuation coefficients, effective atomic numbers, fast neutron removal cross-section and exposure buildup factors of ordinary and heavy concretes were investigated using NIST data of XCOM program and Geometric Progression method. Results and Discussion: The improvement in shielding effectiveness for photon and reduction in fast neutron for ordinary concrete was observed. The change in the neutron shielding effectiveness was insignificant. Conclusion: The present investigation on interaction of gamma and neutron radiation would be very useful for assessment of shielding efficiency of the concrete used in high temperature applications such as reactors.
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참고문헌 (17)
참고문헌 신청
Bashter II / 1997 / Calculation of radiation attenuation coefficients for shielding concretes / Ann. Nucl. Energy 24(17):1389~1401
Singh VP / 2013 / Monte Carlo simulation of gamma ray shielding parameters of concretes / Nucl. Eng. Des. 265:1071~1077
Singh VP / 2014 / Investigation on radiation shielding parameters of ordinary, heavy and super heavy concretes / Nucl. Technol. Radiat. 29(2):149~156
Sivathanu PC / 2016 / Effect of heat treatment on neutron attenuation characteristics of high density concretes (HDC) / Prog. Nucl. Energy. 93:76~83
Singh VP / 2014 / Gamma-ray shielding effectiveness of some alloys for fusion reactor design / J. Fusion Energy 33(5):555~564
Singh VP / 2013 / Monte Carlo simulation of gamma ray shielding parameters of concretes / Nucl. Eng. Des. 265:1071~1077
Singh VP / 2014 / Investigation on radiation shielding parameters of ordinary, heavy and super heavy concretes / Nucl. Technol. Radiat. 29(2):149~156
Sivathanu PC / 2016 / Effect of heat treatment on neutron attenuation characteristics of high density concretes (HDC) / Prog. Nucl. Energy. 93:76~83
Singh VP / 2014 / Gamma-ray shielding effectiveness of some alloys for fusion reactor design / J. Fusion Energy 33(5):555~564
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