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.
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초록· 키워드
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Hydraulic dead-zone and particle removal efficiency in the base frame of a constructed wetland was evaluated with computational fluid dynamics (CFD). The fraction of hydraulic dead-zone was estimated to be 1.2-2.1 % (v/v) and it was attributed to the artificial islands developed in the constructed wetland. Solids deposition rate could be increased with higher hydraulic retention time (HRT, ranged from 2.2 to 4.2 hr) of the wetland and larger particle size (ranged from 10 to $50{\mu}m$) in the influent. Experimental results showed that the volume concentration of the particles smaller than $10{\mu}m$ in diameter was varied from $1.99{\times}10^3{\mu}m^3/ml$ (HRT 12.8 hr) to $3.92{\times}10^3{\mu}m^3/ml$(HRT 2.2 hr) in the influent of the constructed wetland. With the effluent volume concentration data, removal efficiency of those particles was calculated to be 71.2 and 24.7 % when the HRT was 12.8 and 2.2 hr, respectively. Similar trend with the HRT variation could be identified with CFD analysis.
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참고문헌 (17)
참고문헌 신청
조용진 / 2007 / 강우시 교량도로 유출수 수질 및 입경분포 / 대한환경공학회지 29(12):1353~1359
최동호 / 2007 / 시화호 인공습지의 물흐름 분포 및 입자성물질 퇴적 특성 / 대한환경공학회지 29(4):425~437
Choi, J .Y. / 2008 / Efficiency increases for artificial wetlands to reduce nonpoint source pollution / Kyonggi Forum 10(2):163~181
Hannoun I. A. / 1998 / Using hydraulic modeling to optimize contact time / J. AWWA 90(8):77~87
Hayes D. F. / 2000 / Wetlands Engineering Handbook :719
최동호 / 2007 / 시화호 인공습지의 물흐름 분포 및 입자성물질 퇴적 특성 / 대한환경공학회지 29(4):425~437
Choi, J .Y. / 2008 / Efficiency increases for artificial wetlands to reduce nonpoint source pollution / Kyonggi Forum 10(2):163~181
Hannoun I. A. / 1998 / Using hydraulic modeling to optimize contact time / J. AWWA 90(8):77~87
Hayes D. F. / 2000 / Wetlands Engineering Handbook :719
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