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Heat Generation and Heating Limits for the IRUS LLRW Disposal Facility
R. E. DondersJ. SlabyF. CaronChalk River Nuclear Laboratories
出版Chalk River Laboratories, Atomic Energy of Canada Limited, 1995
ISBN06601627259780660162720
URLhttp://books.google.com.hk/books?id=fxO2AAAACAAJ&hl=&source=gbs_api
註釋The proposed Intrusion Resistant Underground Structure (IRUS) is based on an open-bottom concrete vault and is designed for near-surface disposal of low-level radioactive waste (LLRW) with a hazardous lifetime of under 500 years. Heat generation from radioactive decay and chemical degradation must be considered when disposing of LLRW in the IRUS. This paper presents heat transfer calculations performed using a finite element code with realistic but somewhat conservative heat transfer parameters and environmental boundary conditions. The paper also discusses the factors that limit the heating rate in the IRUS facility, presents the calculated heat rate limits for IRUS that give a maximum temperature of 38 degrees C, and presents results of calculations for heating within IRUS for radioactive heating caused by specific isotope sources and for heat generated from biogeochemical processes associated with waste decomposition.