RADIOACTIVITY EVALUATION METHOD, RADIOACTIVITY MEASUREMENT METHOD AND RADIOACTIVITY MEASUREMENT DEVICE

• Main Author: MAEDA KAZUTO
• Format: Patent
• Language: English; Japanese
• Published: 03.12.2020
• Subjects: MEASUREMENT OF NUCLEAR OR X-RADIATION; MEASURING; PHYSICS; TESTING

To easily evaluate an amount of radioactivity in radioactive waste stored in a square storage container, taking into consideration uneven distribution of density and uneven distribution of radiation sources.SOLUTION: A radioactivity evaluation method for evaluating radioactivity of radioactive waste stored in a square storage container, includes the steps of: detecting radiation; finding a first safety factor based on uneven distribution of internal pollution; finding a second safety factor based on uneven distribution of radiation sources; and finding an amount of radioactivity of radiation detected using the first safety factor and the second safety factor.SELECTED DRAWING: Figure 8 【課題】角型収納容器に収納された放射性廃棄物の放射能量を密度偏在や線源偏在を考慮しつつ簡便に評価すること。【解決手段】角型収納容器に収納された放射性廃棄物の放射能を評価する放射能評価方法であって、放射線を検出する工程と、内部汚染の偏在に基づく第一安全率を求める工程と、線源の偏在に基づく第二安全率を求める工程と、前記第一安全率および前記第二安全率を用いて検出された放射線の放射能量を求める工程と、を含む。【選択図】図８