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Mr. Kapil Gnawali
Sungkyunkwan University

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Research Keywords & Expertise

0 Hydraulics
0 Hydrology
0 Optimization
0 Smart water grid
0 Diversification of water resources

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Review
Published: 31 August 2020 in Journal of Korean Institute of Intelligent Systems
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본 논문에서는 하모니 서치 알고리즘이 그동안 수자원 공학에 적용되었던 주요한 응용사례를 리뷰한다. 응용사례로는 우선 상수도 관망의 최적설계를 들 수 있는데, 각 노드에서 요구되는 수량 및 수압조건을 만족시켜주며 가장 경제적인 링크 크기(관경)를 찾을 수 있었다. 다음으로 수문모형의 파라메터 추정에서는 홍수나 강우량 같은 수문량의 모형계산치와 실측치간의 오차를 최소화 하는 파라메터 값을 찾을 수 있었으며 수생태 보전을 위한 하수처리문제에서는 하천의 용존산소량 조건과 지하수의 수질조건, 관개용수 질소용량조건 등을 만족시키며 초기 시설비와 연간 운영비 측면의 경제성을 고려한 하수처리 시스템의 최적 설계를 할 수 있었다. 이외에도 발전이익과 관개이익을 최대로 하는 댐군의 연계 운영, 펌프식 관로의 에너지 절감 운영, 해양 방파제 피복석의 안정성 예측 등에 하모니 서치 알고리즘이 적용된 사례를 보여준다. 이를 통해 수자원 분야의 연구자나 여러 과학기술분야의 연구자들이 향후 자신의 연구분야에 하모니 서치를 도입하여 좋은 성과를 내보기 기대한다.

ACS Style

Zong Woo Geem; Kapil Gnawali; Kuk Heon Han; Kyung Taek Yum. Review on Harmony Search Algorithm Applied to Water Resources Engineering. Journal of Korean Institute of Intelligent Systems 2020, 30, 284 -289.

AMA Style

Zong Woo Geem, Kapil Gnawali, Kuk Heon Han, Kyung Taek Yum. Review on Harmony Search Algorithm Applied to Water Resources Engineering. Journal of Korean Institute of Intelligent Systems. 2020; 30 (4):284-289.

Chicago/Turabian Style

Zong Woo Geem; Kapil Gnawali; Kuk Heon Han; Kyung Taek Yum. 2020. "Review on Harmony Search Algorithm Applied to Water Resources Engineering." Journal of Korean Institute of Intelligent Systems 30, no. 4: 284-289.

Journal article
Published: 26 October 2019 in Sustainability
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Ensuring stable and continuous water supplies in isolated but populated areas, such as islands, where the water supply is highly dependent on external factors, is crucial. Sudden loss of function in the water supply system can have enormous social costs. To strengthen water security and to meet multiple water demands with marginal quality, the optimized selection of locally available, diversified multi-water resources is necessary. This study considers a sustainable water supply problem of Yeongjong Island, 30 km west from Seoul, South Korea. The self-sufficiency of several locally available water resources is calculated for four different scenarios based on the volume and quality of the various water sources. Our optimization results show that using all the available local sources can address the water security issues of the island in the case of interruption in the existing supply system, which is fed from a single source of mainland Korea. This optimization framework can be useful for areas where water must be secured in the event of emergency.

ACS Style

Kapil Gnawali; Kuk Heon Han; Zong Woo Geem; Kyung Soo Jun; Kyung Taek Yum. Economic Dispatch Optimization of Multi-Water Resources: A Case Study of an Island in South Korea. Sustainability 2019, 11, 5964 .

AMA Style

Kapil Gnawali, Kuk Heon Han, Zong Woo Geem, Kyung Soo Jun, Kyung Taek Yum. Economic Dispatch Optimization of Multi-Water Resources: A Case Study of an Island in South Korea. Sustainability. 2019; 11 (21):5964.

Chicago/Turabian Style

Kapil Gnawali; Kuk Heon Han; Zong Woo Geem; Kyung Soo Jun; Kyung Taek Yum. 2019. "Economic Dispatch Optimization of Multi-Water Resources: A Case Study of an Island in South Korea." Sustainability 11, no. 21: 5964.