高精度超音波給水流量計の原子力プラントへの適用について(NP1 軽水炉の運転・保全技術)

概要

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This paper describes the issues of the high performance time-of-flight ultrasonic flow meter applied to the reactor feedwater measurement system of nuclear power plants. The reactor thermal power is determined by a calorimetric heat balance calculation based on several parameters obtained from specific plant instrumentations. The uncertainty of the reactor feedwater flow is the largest item on the thermal power uncertainty budget. From the nature of the non-intrusive measurement of the ultrasonic flow meters, significant improvement for high accuracy and durable feedwater measurement will be expected.
社団法人日本機械学会の論文
2004-06-22