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정준기(Junki Jung),임찬우(Chanwoo Lim),김국렬(Kukryul Kim),이태연(Taeyeon Lee),채장범(Jungbom Chai) 한국소음진동공학회 2015 한국소음진동공학회 학술대회논문집 Vol.2015 No.4
Recently, safety of a nuclear power plant is a big issue. In this paper, the simulation model of the reciprocating pump used in NPP was developed to diagnose defects in early stage. Four operating modes of the reciprocating pump are considered : Expansion, Suction, Compression and Discharge. In each mode, mathematical equation to relate the measurable state and internal states were formulated. With the model, normal signatures and defected signatures are simulated and analysed to identify the effects of the defects. The simulated result was compared to the experimental data, by which te validation of the mode was performable.