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APPARATUS AND METHOD OF VIBRATION MEASUREMENT FOR COMPREHENSIVE VIBRATION ASSESSMENT OF REACTOR VESSEL INTERNALS
APPARATUS AND METHOD OF VIBRATION MEASUREMENT FOR COMPREHENSIVE VIBRATION ASSESSMENT OF REACTOR VESSEL INTERNALS
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机译：反应堆容器内部振动综合评价的装置及方法
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摘要
PURPOSE: A vibration measuring device and a measuring method for a comprehensive vibration assessment of a nuclear reactor internal structure is provided to minimize influence on a main process for constructing a nuclear plant as the vibration measurement of the nuclear reactor inner structure is performed by installing a vibration measuring sensor during a break-in period after installing the nuclear reactor. CONSTITUTION: A measuring method for a comprehensive vibration assessment of a nuclear reactor internal structure is as follows. A plurality of vibration measuring sensors(24) are installed on the upper head surface, the body circumferential surface, and the lower head surface of a nuclear reactor, respectively. A data acquisition system(20) is arranged outside the nuclear reactor. A vibration measuring cable(25) is connected to the data acquisition system. The data acquisition system receives the data of the vibration measuring sensors. The vibration of an upper guide structure(12), a core support barrel(11), and a lower support structure(13) of the nuclear reactor internal structure are measured. A measurement result is analyzed and evaluated.
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