DOI QR코드

DOI QR Code

피치각과 날개 길이 변화에 따른 축류팬의 성능 및 소음 특성에 관한 실험적 연구

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

  • 전성택 (인천대학교 기계시스템공학부) ;
  • 조진표 (인천대학교 기계.전자 RIC)
  • Jeon, Sung-Taek (Devision of Mechanical system Engineering, Incheon University) ;
  • Cho, Jin-Pyo (Mechanic.Electron Regional Innovation Center, Incheon University)
  • 투고 : 2013.04.22
  • 심사 : 2013.07.11
  • 발행 : 2013.07.31

초록

본 연구에서는 피치각 가변형 축류팬의 성능(정압별 풍량, 소비전력)과 소음특성을 실험으로 구하였다. 피치각은 $20^{\circ}{\sim}45^{\circ}$$5^{\circ}$ 간격으로 6개의 각도를 변화시켜 가면서 측정 하였고 팬 날개는 동일한 에어포일 형상으로 길이는 80 mm, 90 mm, 100 mm, 110 mm, 120 mm로 변경하여 실험을 수행하였다.

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.

키워드

참고문헌

  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
  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. https://doi.org/10.1016/0022-460X(77)90551-X
  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. https://doi.org/10.1016/0022-460X(77)90552-1
  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. https://doi.org/10.1016/S0022-460X(78)80020-0
  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
  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.
  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.
  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.