멀티패스 밀폐식 냉각탑의 성능특성에 대한 수치적 연구
A Numerical Study on Performance Characteristics of a Closed Circuit Cooling Tower with Multi Paths
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A closed circuit cooling tower having high temperature of cooling water and small water flow rate is investigated. To study the characteristics of the heat transfer of heat exchanges in a cooling tower with multi paths a numerical method is used. The results show that the staggered tube arrangements in a bank show better performance than aligned ones for temperature variation with various outer diameters of tube bundles. In case of one pass, the 15.88 mm tube case shows about 9% better performance than the 25.4 mm tube case. In two paths, the tube outside diameter of 15.88 mm show about 14.4% better results than the 25.4 mm diameter case.
Abstract
A closed circuit cooling tower having high temperature of cooling water and small water flow rate is investigated. To study the characteristics of the heat transfer of heat exchanges in a cooling tower with multi paths a numerical method is used. The results show that the staggered tube arrangements in a bank show better performance than aligned ones for temperature variation with various outer diameters of tube bundles. In case of one pass, the 15.88 mm tube case shows about 9% better performance than the 25.4 mm tube case. In two paths, the tube outside diameter of 15.88 mm show about 14.4% better results than the 25.4 mm diameter case.
참고문헌 (5)
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- Parker R. O., , Chem. Eng. Progress Symp, 57(32), pp.138~ (1962)
- G. Gan, "Application of CFD to closed-wet cooling towers", Applied Thermal Engineering, 21, pp.79~92 (2001)
- "FLUENT 6.2.16, Fluent Incorporated", ~ (1998)