한국기계가공학회지 (Journal of the Korean Society of Manufacturing Process Engineers)

  • 제13권3호
  • /
  • Pages.42-48
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  • 2014
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  • 1598-6721(pISSN)
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  • 2288-0771(eISSN)
한국기계가공학회 (The Korean Society of Manufacturing Process Engineers)
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원자력 발전소 보조급수펌프의 구조 건전성에 관한 연구

A Study on the Structural Integrity of an Auxiliary Feed Water Pump in a Nuclear Power Plant

  • Kim, Chae-Sil (Department of Mechanical Engineering, Changwon National University) ;
  • Cho, Bang-Hyun (Advanced automotive battery validation team, LG Chem. Ltd.)
  • 투고 : 2014.06.19
  • 심사 : 2014.06.26
  • 발행 : 2014.06.30
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초록

The auxiliary-feed-water pump (AFWP) used to supply water during a station black out situation at nuclear power plants should meet the seismic qualification regulations stipulated in IEEE Std 323 and 344, so as to withstand earthquakes or dangerous situations. Here, we establish a model for the estimation of the structural integrity of this type of pump. If the natural frequency that results from a modal analysis is less than 33 Hz, we adopt a dynamic analysis, instead of a static analysis. A dynamic analysis was carried out taking into consideration seismic conditions such as the floor response spectra (FRS), an operation-base earthquake (OBE), and a safe-shutdown earthquake (SSE). Finally, an analytical estimation of the structural integrity of an AFWP is made through a comparison of calculated values and allowable values. If the result is less than the allowable stress, the pump is deemed to have good structural integrity. In addition, future studies will involve a stability check for rotor accidents that may occur during the operation of the pump.

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참고문헌

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