블레이드 크기 및 개수가 시로코 팬 유동 특성에 미치는 영향에 관한 수치 해석 연구
A Numerical Study on the Effect of Blade Size and the Number of Blades on the Flow Characteristics of a Sirocco Fan
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초록
A sirocco fan consists of a housing and an impeller with blades. There are many design parameters for improving its performance and efficiency. Thus, the objective of present study is to investigate the effect of blade size(such as blade length and height) and the number of blades on the flow characteristics of a sirocco fan using a commercial CFD software, Star CCM+. From the results of our previous and present study, it is revealed that blade inclination angle and blade height had a great effect on the flow characteristics, such as the static pressure rise and flow rate. There are important factors in improving the flow characteristics, as following order, the blade inclination angle, blade height, blade length, blade radius of curvature, the number of blades. it was obtained that maximum in static pressure rise and flow rate were, respectively, 20.8Pa and 6.41CMM under the our simulation condition.
Abstract
A sirocco fan consists of a housing and an impeller with blades. There are many design parameters for improving its performance and efficiency. Thus, the objective of present study is to investigate the effect of blade size(such as blade length and height) and the number of blades on the flow characteristics of a sirocco fan using a commercial CFD software, Star CCM+. From the results of our previous and present study, it is revealed that blade inclination angle and blade height had a great effect on the flow characteristics, such as the static pressure rise and flow rate. There are important factors in improving the flow characteristics, as following order, the blade inclination angle, blade height, blade length, blade radius of curvature, the number of blades. it was obtained that maximum in static pressure rise and flow rate were, respectively, 20.8Pa and 6.41CMM under the our simulation condition.
참고문헌 (9)
- Jongwon Lee, "Improvement and Effects of Inlet Shape on Flow for Sirocco Fan", KSAS(The Korean Society for Aeronautical and Space Science) 2018Spring Conference, pp.58~59 (2018)
- B. Y. Han, "Performance Improvement of a Range Hood Sirocco Fan by CFD Flow Analysis", Journal of Computational Fluids Engineering, 13(4), pp.72~79 (2008)
- Jongwon Lee, "Study on the Perormance and Internal Airflow of the Sirocco Fan with a Guide Vane", The KSFM Journal of Fluid Machinery, 22(3), pp.12~18 (2019)
- Yuseon Jeon, "Numerical Study on Flow and Noise Characteristics of Sirocco Ventilation Fan for Blade Design Factors", Journal Korean Soc. Mech. Technol, 23(4), pp.586~591 (2021)
- Shaosong Ni, "Effects of an Inclined Blade on the Performance of a Sirocco Fan", Appl. Sci, 9(15), pp.3154~ (2019)
- Honggi Cho, "Effects of Blade Curvature &Inclination Angle on the Flow Characteristics of a Sirocco Fan for the Residential Range Hood", YONG-IN ARTS & SCIENCES UNIVERSITY Journal, 16, pp.71~83 (2023)
- Woo-Suck Choi, "A Study on Performance Test and Flow Analysis for the Development of High Performance Range Hood", Ph. D, pp.2023
- Jang-Kweon Kim, "A Study on the Development and Application of a Design Program for Sirocco Fan", Journal of Power System Engineering, 25(2), pp.48~56 (2021)
- "Simcenter STAR-CCM+ 2021.2 User Guide", 7840~7841