Journal of the Korean Society of Fisheries and Ocean Technology (수산해양기술연구)
- Volume 26 Issue 1
- /
- Pages.26-33
- /
- 1990
- /
- 2671-9940(pISSN)
- /
- 2671-9924(eISSN)
The Mixing of Forced Plume In the Coastal Waters
연안해역 중력 분류의 혼합 과정
- Jang, Seon-Deok (National Fisheries University of Pusan) ;
- Seo, Jeong-Mun (National Fisheries University of Pusan) ;
- Lee, Jong-Seop (National Fisheries University of Pusan)
- Published : 1990.03.01
Abstract
The behavior and mixing process of the forced plume are studied in the hydraulic laboratory. The dilution rate of discharged waste water from the port in various hydraulic condition was analized. The effect of densimetric Froude number and the discharge type on the dilution rate are discussed: In the vertical discharge, the forced plume of small densimetric Froude number mixes more actively than that of the large one. In the horizontal discharge, forced plume of large densimetric Froude number dilutes more rapidly than that of the small one. The mixing takes place more vigorously in the horizontal discharge than in the vertical one. The multi-port diffuser is more effective for the waste water discharge system than the single port diffuser in the tidal swinging coastal sea.
연안해역에 저밀도 Froude수의 액체를 방류할 때 인근해역에 미치는 영향을 저감하기 위해서, 중력분류의 혼합\ulcorner희석특성을 알아보았다. 연직방향방류시 밀도 Froude수가 작은 것이 분류의 퍼짐폭이 증대하여 방류수의 혼합\ulcorner희석이 활발해진다. 수평방향방류시 밀도 Froude수가 클수록 혼합\ulcorner희석효과가 증대된다. 수평방향방류가 연직수평방류보다 혼합희석효과가 뛰어나다. 수평방향방류시 다공관으로 방류하는 것이 단공관의 경우 보다 효과적이다. 이는 방류수를 분산시켜 방류함으로서 주위수와 접하는 표면적이 증대되기 때문이다.
Keywords