HTR-PM高温气冷示范堆堆芯石墨粉尘产生量估算

Abstract

Abstract: Key conditions for wear rate of graphite balls are load and temperature in the core of a spherical bed type high temperature gas cooled reactor. In its previous study, China Institute for Radiation Protection obtained the relationship between wear rate of graphite balls and load. In this paper, further study on the effect of temperature upon wear rate of graphite balls is implemented and the produced amounts of graphite dust are calculated. Fitting the relationship of loading and temperature on wear rate of graphite balls, as well as the distribution of load and temperature of fuel elements in HTR-PM,the produced graphite dust was calculated as about 14.01 g/d (5.1 kg/a).

Key words: HTR-PM, graphite dust, graphite ball, temperature

CLC Number:

TL36

LIANG Yu, GUO Lixiao, DENG Shaogang, LIANG Dong, WANG Yongxian, LI Ning. Estimation of graphite dust production in core of high temperature gas cooled reactor[J].RADIATION PROTECTION, 2018, 38(5): 409-413.

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Estimation of graphite dust production in core of high temperature gas cooled reactor

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