• 제목/요약/키워드: Back Flow Prevent Globe Valve

검색결과 2건 처리시간 0.019초

역류방지 글로브 밸브를 이용한 소화 주관계의 진동개선 (Reduction of Fire Main Pipe System's Vibration Using Back Flow Prevent Globe Valve)

  • 박미유;한형석;이석수
    • 한국소음진동공학회:학술대회논문집
    • /
    • 한국소음진동공학회 2009년도 춘계학술대회 논문집
    • /
    • pp.518-523
    • /
    • 2009
  • Main source of URN(Underwater Radiated Noise) which is related to the ship's survivability is divided into two groups. Cavitation is main source of URN when the speed of ship is upper than CIS(Cavitation Inception Speed). But when the speed of ship is lower than CIS, main source of URN is structure-borne noise on the hull which is originated from propulsion system, pump system or transmitted vibration of pipe system. In this paper, to reduce the vibration of discharge pipe and valve system, back flow prevent globe valve and new rubber mount are applied to the ship. As the result of applying new valve and mount, the vibration is reduced drastically.

  • PDF

역류방지 글로브 밸브를 이용한 소화 주관계의 진동개선 (Reduction of Fire Main Pipe System's Vibration Using Back Flow Prevent Globe Valve)

  • 박미유;한형석;이석수
    • 한국소음진동공학회논문집
    • /
    • 제19권6호
    • /
    • pp.599-606
    • /
    • 2009
  • Main source of URN(underwater radiated noise) which is related to the ship's survivability is divided into two groups. Cavitation is the main source of URN when the speed of ship is upper than CIS(cavitation inception speed). But when the speed of ship is lower than CIS, the main source of URN is the structure-borne noise on the hull which is originated from propulsion system, pump system and trnasmitted vibration of the pipe system. In this paper, to reduce the vibration of discharge pipe and valve system, back flow prevent globe valve and new rubber mount are applied to the ship. As the result of applying new valve and mount, the vibration is reduced drastically.