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J Korean Soc Environ Eng > Volume 37(1); 2015 > Article
J Korean Soc Environ Eng 2015;37(1): 23-33. doi: https://doi.org/10.4491/KSEE.2015.37.1.23
전산유체해석(CFD) 모의를 이용한 다공형 스크류 노즐 입수관이 적용된 물탱크 내부의 사류구역 최소화에 대한 유동특성
송준혁1, 권종우2, 최종웅3, 왕창근2
1계룡환경(주)
2충남대학교 환경공학과
3한국수자원공사
Fluid Flow Characteristics for Minimizing the Area of Rapid Flow Inside the Water Tank to which the Multiple Hoe Screw Nozzle Incurrent Canal is Applied, by Using the Computational Fluid Dynamics (CFD) Simulation
Jun-Hyuck Song1, Jong-Woo Kwon2, Jong-Woong Choi3, Chang-Keun Wang2
1Kyeryong Environment Co., Ltd
2Department of Environmental Engineering, Chungnam National University
3K-water
Corresponding author  Jun-Hyuck Song ,Tel: 042-826-1919, Fax: 042-471-1919, Email: dabidjun@hanmail.net
Received: September 22, 2014;  Revised: October 14, 2014;  Accepted: January 8, 2015.  Published online: January 31, 2015.
ABSTRACT
This study was carried out for the purpose of minimizing the area of rapid flow inside the water tank. And the shape of incurrent canal was improved, and then the characteristics of fluid flow occurring inside the water tank was analyzed by using the Computational Fluid Dynamics (CFD) simulation method. better multiple hoe screw nozzle incurrent canal was used instead of conventional drop current canal used for the water tank. And according to the results of analyzing the characteristics of fluid flow, in case a screw blade was installed inside the nozzle, fluid flow was sprayed wide. And wide fluid flow was shown inside the cylindrical water tank too. Besides, a tracer simulation was carried out, in case of installing 1 and 2 multiple hoe screw nozzle incurrent canals at the cubic water tank. As a result, MODAL, MODAL index value was close to 1, in case of installing 2 canals. Therefore, it was possible to obtain the results of being close to the characteristics of plug flow.
Key Words: Computational Fluid Dynamics (CFD), Screw Nozzle, Water Storage Tank, Dead Water, Water Management
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