Thermal Conductivity Measurement of Zr-ZrO2 Simulated Inert Matrix Nuclear Fuel PelletReportar como inadecuado




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For an evaluation of a thermal conductivity of Zr + 30 vol% ZrO2 simulated inert matrix nuclear fuel pellet, a simulated fuel pellet was fabricated using a hot-pressing method at 800°C in a vacuum and at a 20 MPa load. And several thermophysical properties of the simulated inert matrix fuel pellet were measured and calculated. The thermal diffusivity and linear thermal expansion as a function of temperature of the simulated fuel pellet were measured using a laser flash method and a dilatometry, respectively. Finally, based on the experimental data, the thermal conductivity of the simulated inert matrix fuel pellet was calculated and evaluated.



KEYWORDS

Inert Matrix Nuclear Fuel; Dispersion Fuel; Thermal Conductivity; Thermal Expansion; Specific Heat

Cite this paper

D. Kim, Y. Rhee, J. Kim, J. Oh, K. Kim and J. Yang -Thermal Conductivity Measurement of Zr-ZrO2 Simulated Inert Matrix Nuclear Fuel Pellet,- World Journal of Nuclear Science and Technology, Vol. 3 No. 2, 2013, pp. 46-50. doi: 10.4236-wjnst.2013.32008.





Autor: Dong-Joo Kim, Young Woo Rhee, Jong Hun Kim, Jang Soo Oh, Keon Sik Kim, Jae Ho Yang

Fuente: http://www.scirp.org/



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