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      중력 효과를 받는 인공 초공동에 대한 수치해석 = Numerical Analysis of Artificial Supercavitation under the Gravity Effect

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      https://www.riss.kr/link?id=A103784032

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      다국어 초록 (Multilingual Abstract)

      Supercavitation can be generated at relatively lower speeds by injecting compressed air behind the cavitator. As a result, an artificially created supercavity is deformed and its tail tends to rise due to gravitational effects. However, practical prediction of the artificial supercavity currently depends on empirical results. In this study, a mathematical model for the artificial supercavity under the gravity effect is proposed. Based on a boundary element method, geometric characteristics of the supercavity at different flow conditions are examined. The results were compared with an existing empirical formula and also experimental observations carried out at a cavitation tunnel of the Chungnam National University.
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      Supercavitation can be generated at relatively lower speeds by injecting compressed air behind the cavitator. As a result, an artificially created supercavity is deformed and its tail tends to rise due to gravitational effects. However, practical pred...

      Supercavitation can be generated at relatively lower speeds by injecting compressed air behind the cavitator. As a result, an artificially created supercavity is deformed and its tail tends to rise due to gravitational effects. However, practical prediction of the artificial supercavity currently depends on empirical results. In this study, a mathematical model for the artificial supercavity under the gravity effect is proposed. Based on a boundary element method, geometric characteristics of the supercavity at different flow conditions are examined. The results were compared with an existing empirical formula and also experimental observations carried out at a cavitation tunnel of the Chungnam National University.

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      참고문헌 (Reference)

      1 R. L. Waid, "Water Tunnel Investigation of Two-Dimensional Cavities" 1957

      2 Yu. N. Savchenko, "Unstady Supercavitated Motion of Bodies" 109 (109): 2000-,

      3 M. Self, "Steady-State Cavity Studies in a Free-Jet Water Tunnel" 1955

      4 M. S. Jin, "Numerical Analysis of Ventilated Cavitation with Free Surface Effects" 13 (13): 2013-,

      5 B. K. Ahn, "Numerical Analysis of Supercavitating Flows Based on Viscous/Inviscid Method" 25 (25): 2014-,

      6 Yu. N. Savchenko, "Investigation of High-Speed Supercavitating Underwater Motion of Bodies" 1998

      7 G. V. Logvinovich, "Hydrodynamics of Free-Boundary Flows" 1972

      8 B. K. Ahn, "Experimental Study on Artificial Supercavitation of the High Speed Torpedo" 300 (300): 2015-,

      9 E. Silberman, "Experimental Studies of Super-Cavitating Flow about Simple Two-Dimensional Bodies in a Jet" 337 (337): 1959-,

      10 S. Park, "Computational Analysis of Turbulent Super-Cavitating Flow Around a Two-Dimensional Wedge-Shaped Cavitator Geometry" 73 (73): 2012-,

      1 R. L. Waid, "Water Tunnel Investigation of Two-Dimensional Cavities" 1957

      2 Yu. N. Savchenko, "Unstady Supercavitated Motion of Bodies" 109 (109): 2000-,

      3 M. Self, "Steady-State Cavity Studies in a Free-Jet Water Tunnel" 1955

      4 M. S. Jin, "Numerical Analysis of Ventilated Cavitation with Free Surface Effects" 13 (13): 2013-,

      5 B. K. Ahn, "Numerical Analysis of Supercavitating Flows Based on Viscous/Inviscid Method" 25 (25): 2014-,

      6 Yu. N. Savchenko, "Investigation of High-Speed Supercavitating Underwater Motion of Bodies" 1998

      7 G. V. Logvinovich, "Hydrodynamics of Free-Boundary Flows" 1972

      8 B. K. Ahn, "Experimental Study on Artificial Supercavitation of the High Speed Torpedo" 300 (300): 2015-,

      9 E. Silberman, "Experimental Studies of Super-Cavitating Flow about Simple Two-Dimensional Bodies in a Jet" 337 (337): 1959-,

      10 S. Park, "Computational Analysis of Turbulent Super-Cavitating Flow Around a Two-Dimensional Wedge-Shaped Cavitator Geometry" 73 (73): 2012-,

      11 I. J. Campbell, "Air Entrainment Behind Artificially Inflated Cavities" 1958

      12 T. Y. Wu, "A Free Streamline Theory for Two-Dimensional Fully Cavitated Hydrofoils" 236 (236): 1956-,

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      학술지 이력

      학술지 이력
      연월일 이력구분 이력상세 등재구분
      2026 평가예정 재인증평가 신청대상 (재인증)
      2020-01-01 평가 등재학술지 유지 (재인증) KCI등재
      2017-01-01 평가 등재학술지 유지 (계속평가) KCI등재
      2013-01-01 평가 등재 1차 FAIL (등재유지) KCI등재
      2010-01-01 평가 등재학술지 유지 (등재후보2차) KCI등재
      2007-01-01 평가 등재학술지 선정 (등재후보2차) KCI등재
      2006-01-01 평가 등재후보 1차 PASS (등재후보1차) KCI등재후보
      2004-01-01 평가 등재후보학술지 선정 (신규평가) KCI등재후보
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      학술지 인용정보

      학술지 인용정보
      기준연도 WOS-KCI 통합IF(2년) KCIF(2년) KCIF(3년)
      2016 0.13 0.13 0.1
      KCIF(4년) KCIF(5년) 중심성지수(3년) 즉시성지수
      0.09 0.09 0.244 0.04
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