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http://dx.doi.org/10.5762/KAIS.2013.14.7.3170

Effect of pitch angle and blade length on an axial flow fan performance  

Jeon, Sung-Taek (Devision of Mechanical system Engineering, Incheon University)
Cho, Jin-Pyo (Mechanic.Electron Regional Innovation Center, Incheon University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.14, no.7, 2013 , pp. 3170-3176 More about this Journal
Abstract
In this study, the performance of an impeller according to blade length and pitch angle was studied experimentally by building a variable pitch impeller while changing blade length to review the effect of blade length and pitch angle on a fan's performance and sound characteristics. The pitch angle was changed in six steps from $20^{\circ}{\sim}45^{\circ}$ at intervals of $5^{\circ}$ while the blade lengths were changed 80 mm, 90 mm, 100 mm, 110 mm and 120 mm with an identical airfoil shape while carrying out the experiment.
Keywords
Axial flow fan; Camber angle; Chord length; Pitch angle;
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  • Reference
1 C. H. Hirsch, and P. Kool, "Measurement of the three dimensional flow field behind an axial compressor Stage", ASME Paper No. 76-GT-18, 1976. DOI: http://dx.doi.org/10.1115/1.3446264
2 M. Inoue, and M. Kuroumaru, "Three dimensional structure and decay of vortices behind an axial flow rotating blade row", Trans. ASME, Journal of Engineering for Gas Turbines and Power, Vol. 106, No. 3, 1984. DOI: http://dx.doi.org/10.1115/1.3239607   DOI   ScienceOn
3 C. A. Poensgen, and H. E. Gallus, "Rotating stall in a single stage axial flow compressor", ASME Paper No. 94-GT-210, 1994. DOI: http://dx.doi.org/10.1115/1.2836625
4 T. R. Camp, and I. J. Day, "A study of spike and model stall phenomena in a lowspeed axial compressor", Journal of Turbomachinery, Vol. 120, 1998.
5 C. J. Kim, C. M. Jang, M. Y. Choi, and D. I. Lee, "Effects of pitch angle and maximum camber on an axial flow fan performance", Proceedings of the SAREK 1996 Winter Annual Conference, pp. 269-274, 1996.
6 C. S. Kim, Y. H. Shin, K. H. Kim, and J. T. Chung, "Experimental study on effects of stagger angle on performance and flow characteristics of axial fan", Proceedings of the SAREK 1999 Summer Annual Conference, pp. 453-457, 1999.
7 T. Fukano, Y. Kodama, Y. Senoo, "Noise generated by low pressure axial flow fans, I: Modeling of the turbulent noise", Journal of Sound and Vibration, vol 50, pp. 63-74, 1977.   DOI   ScienceOn
8 T. Fukano, Y. Kodama, Y. Takamatsu, "Noise generated by low pressure axial flow fans, II: Effect of number of blades, chord length and camber of blade", Journal of Sound and Vibration, vol 50, pp. 75-88, 1977.   DOI   ScienceOn
9 T. Fukano, Y. Kodama, Y. Takamatsu, "Noise generated by low pressure axial flow fans, III: Effect of rotational frequency, blade thickness and outer blade profile", Journal of Sound and Vibration, vol 56, pp. 261-277, 1978.   DOI   ScienceOn
10 T. Fukano, Y. Kodama, Y. Takamatsu, "The effect of tip clearance on the noise of low pressure axial and mixed flow fans", Journal of Sound and Vibration, vol 105, pp. 291-308, 1986. DOI: http://dx.doi.org/10.1016/0022-460X(86)90158-6   DOI   ScienceOn
11 H. Y. Kim, J. H. Hur, S. J. Moon, J. H. Lee, H. S. You, and Y. C. Im, A study on the fan efficiency decrease on the backward flow in an axial fan, Proceedings of the SAREK 2009 Summer Annual Conference, pp. 386-391, 2009.   과학기술학회마을
12 J. I. Koo, "Study on performance prediction of industrial axial flow fan with adjustable pitch blades", Proceedings of the KFMA(Korea Fluid Machinery Association), Annual Conference, pp. 30-34, 2001.   과학기술학회마을
13 Korea Standards Association, Testing methods for industrial fans, KS B 6311, 2011.
14 ANSI/ASHRAE Standard 37, "Standard measurement guide, engineering analysis of experimental data", ASHRAE, 2005.