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자료유형
학술저널
저자정보
저널정보
한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제42권 제5호
발행연도
2010.1
수록면
582 - 589 (8page)

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As a part of the back-end fuel cycle, transportation of spent nuclear fuel (SNF) from nuclear power plants (NPPs) to afuel storage facility is very important in establishing a nuclear fuel cycle. In Korea, the accumulated amount of SNF in theNPP pools is troublesome since the temporary storage facilities at these NPP pools are expected to be full of SNF within tenyears. Therefore, Korea cannot help but plan for the construction of an interim storage facility to solve this problem in thenear future. Especially, a decision on several factors, such as where the interim storage facility should be located, how manycasks a transport ship can carry at a time and how many casks are initially required, affect the configuration of thetransportation system. In order to analyze the various possible candidate scenarios, we assumed four cases for the interimstorage facility location, three cases for the load capacity that a transport ship can carry and two cases for the total amount ofcasks used for transportation. First, this study considered the currently accumulated amount of SNF in Korea, and the amountof SNF generated from NPPs until all NPPs are shut down. Then, how much SNF per year must be transported from theNPPs to an interim storage facility was calculated during an assumed transportation period. Second, 24 candidatetransportation scenarios were constructed by a combination of the decision factors. To construct viable yearly transportationschedules for the selected 24 scenarios, we created a spreadsheet program named TranScenario, which was developed byusing MS EXCEL. TranScenario can help schedulers input shipping routes and allocate transportation casks. Also,TranScenario provides information on the cask distribution in the NPPs and in the interim storage facility automatically, bydisplaying it in real time according to the shipping routes, cask types and cask numbers that the user generates. Once a yearlytransportation schedule is established, TranScenario provides some statistical information, such as the voyage time, theavailability of the interim storage facility, the number of transported casks sent from the NPPs, and the number of transportedcasks received at the interim storage facility. By using this information, users can verify and validate a yearly transportationschedule. In this way, the 24 candidate scenarios could be constructed easily. Finally, these 24 scenarios were compared interms of their operation cost.

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