고효율 냉각탑용 팬모델 개발에 관한 연구
A Study on the Development of High Efficiency Cooling Tower FAN Model
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초록
In the present numerical research, develop a high-efficiency fan model to improve the performance of the cooling fan, which accounts for a lot of weight in the efficiency of the cooling tower. For this purpose, analyze the shape of the existing cooling fan model and use CFD. The main variable set in the analysis of the cooling fan model is the pitch angle, and the range of the pitch angle was investigated in the range of 0° to 20°. The purpose of this research is to select the optimum driving condition by using CFD for setting the pitch angle that depends on the existing experience. The research results showed the best results when the pitch angle range was 15°~18°.
Abstract
In the present numerical research, develop a high-efficiency fan model to improve the performance of the cooling fan, which accounts for a lot of weight in the efficiency of the cooling tower. For this purpose, analyze the shape of the existing cooling fan model and use CFD. The main variable set in the analysis of the cooling fan model is the pitch angle, and the range of the pitch angle was investigated in the range of 0° to 20°. The purpose of this research is to select the optimum driving condition by using CFD for setting the pitch angle that depends on the existing experience. The research results showed the best results when the pitch angle range was 15°~18°.
참고문헌 (6)
- Noh. J. D, "ASHDevelopment of a Program for Design and Performance Curve of the Cooling Tower Variable-Pitch Axial Fan", Proceedings of the Korean Society for Fluid Machinery, pp.412~413 (2017)
- 유영석, "A Study on the Development of wind Blade Through Computational Fluid Dynamics", 한국기계기술학회지, 23(3), pp.405~411 (2021), 한국기계기술학회[DOI]
- 오건제, "Numerical Investigation of Effects of Tip Clearance Height on Fan Performance and Tip Clearance Flow in an Axial Fan of the Cooling Tower", 동력시스템공학회지, 16(1), pp.44~50 (2012), 한국동력기계공학회
- Lee. C, "Development of the Energy-efficient Cooling Tower Fan", Proceedings of Korean Society for Energy, pp.305~309 (2003)
- Dang. Z, "Numerical Simulation of thermal performance for super large-scale wet cooling tower equipped with an axial fan", International Journal of Heat and Mass Transfer, 135, pp.220~234 (2019)
- Noh. J. D, "Green Design Guide for ASHARE", Magazine of the SAREK, 46(3), pp.52~58 (2017), The Society of Air-Conditioning And Refrigerating Of Korea