지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
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The Han River is the only waterway in Korea where estuary is not blocked by dykes so that tidal water is flowing in and out through the tidal reach. The extreme tidal range in the Yellow Sea causes an intense flood current, stretching over horizontal extents of tens of kilometers into the rivers. To elucidate the flow reversal by discharge conditions and transient tidal level in the Han river, numerical simulations were conducted under 7 boundary conditions for two days with 10 minute time step. As the flow conditions changed from low discharge and high tidal difference to high discharge and low tidal difference, the flow reversals became weaker and the velocity of forward flow direction became higher due to the increased flow momentums and decreased tidal differences. In the case of normal flow, the maximum reverse velocity was 0.4 m/s, which was equivalent to the maximum forward velocity. In addition, the pattern of the development and decay of forward and reverse flow was presented.
목차
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참고문헌 (16)
참고문헌 신청
서일원 / 2008 / 한강 감조구간에서의 흐름 및 혼합거동 / 대한토목학회 논문집B 28(6):731~741
신영규 / 2005 / 한강하구역의 수질 및 퇴적물 특성의 공간적 분포 / 한국지형학회지 12(4):13~23
S. Y. Kim / 2002 / Analysis of Flow Characteristics by the Tide Influence in Singok Inline-weir
C. W. Kim / 2005 / Prediction of Scouring and Deposition in River and Reservoir / 14th Water Engineering Workshop, Korea Water Resources Association
김상호 / 2005 / 한강하류부 신곡수중보의 수리학적 영향분석 / 한국수자원학회 논문집 38(5):401~413
신영규 / 2005 / 한강하구역의 수질 및 퇴적물 특성의 공간적 분포 / 한국지형학회지 12(4):13~23
S. Y. Kim / 2002 / Analysis of Flow Characteristics by the Tide Influence in Singok Inline-weir
C. W. Kim / 2005 / Prediction of Scouring and Deposition in River and Reservoir / 14th Water Engineering Workshop, Korea Water Resources Association
김상호 / 2005 / 한강하류부 신곡수중보의 수리학적 영향분석 / 한국수자원학회 논문집 38(5):401~413
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