Abstract
본 연구에서는 지류와 본류의 합류부의 접근각도, 상류부 유량 및 본류와 지류의 유량비 변화에 따른 수리 모형실험을 통한 합류부의 수리학적 특성을 파악하였다. 합류부의 수리학적 특성은 합류점 부근의 유속과 관련된 최대유속의 크기 및 발생위치를 분석하였다. 합류점 부근의 최대유속은 접근각도가 증가함에 따라 점차 증가하며, 이는 유량 및 유량비가 증가하는 경우에도 동일한 경향을 나타낸다. 합류점 부근의 최대유속의 발생지점은 접근각도가 증가함에 따라 거리가 증대되는 것으로 나타났다. 또한, 유량이 증가하는 경우에도 거의 동일한 양상을 보여준다. In this study, the hydraulic characteristics at junction are studied through the variation of approaching angle, discharge in the upstream channel and the discharge ratio between the main channel and the tributary. The maximum velocity as well as the position of the maximum velocity is included in the hydraulic characteristics. The maximum velocity is increased by increasing of approaching angle, discharge in the upstream channel and the discharge ratio between the main channel and the tributary. The length from the channel junction to the point of maximum velocity is increasing by increasing of approaching angle, discharge in the upstream channel and the discharge ratio between the main channel and the tributary.
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