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논문 상세정보

아크형 날개를 이용한 항력식 수직축 소형 풍력 터빈 설계

Design of Drag-type Vertical Axis Miniature Wind Turbine Using Arc Shaped Blade

Abstract

This study is to develop a system of electric power generation utilizing the wind resources available in the domestic wind environment. We tested drag-type vortical wind turbine models, which have two different types of blades: a flat plate and circular arc shape. Through a performance test, conditions of maximum rotational speed were found by measuring the rpm of wind turbine. The rotational speed was measured by a tachometer in a wind tunnel and the tunnel wind speed was by using a pilot-static tube and a micro manometer. The performance test for a prototype was accomplished by calculating power, power coefficient, torque coefficient from the measurement of torque and rpm by a dynamometer controller From the measurements for miniature turbine models with two different blades, the circular arc shape was found to Produce a maximum rotational speed for the same wind velocity condition. Based on this result, the prototype with the circular arc blade was made and tested. We found that it produces 500W at the wind velocity of 10.8 m/s and the power coefficient was 20%.

참고문헌 (6)

  1. Blackwell, B.B., Sheldahl, R.E. and Feltz, L.V., 1978., 'Wind-tunnel Performance Data for Two and Three-Bucket Savonius Rotors,' Sandia Laboratories Energy Report, SAND76-0131, also Journal of Energy, Vol 2, pp. 160-164 
  2. Moutsoglou, A. and Weng Y., 1995., 'Performance Tests of a Benesh Wind Turbine Roter and a Savonius Rotor' WIND ENGINEERING LONDON-, Vol.19 No.6 pp. 349-362 
  3. V. H. Morcos and O. M. E. Abdel-Hafez March 1996, 'Testing of an arrow-head vertical-axis wind turbine model Renewable Energy', Vol. 7, pp. 223-231 
  4. Mojola, O.O. and Onasanya, O.E., 1982, 'Performance Testing of a Savonius Windmill Rotor in Shear Flows,' Journal of Wind Engineering, Vol. 8, No.2, pp. 109-109 
  5. J. L. Menet, 2004, 'A double-step Savonius rotor for local production of electricity : a design study Renewable Energy', Vol. 29, pp. 1843-1862 
  6. Tood, F. H. and Taylor, D. 1991, 'Principles of Naval Architecture - Propulsion', Society of Naval Architects and Marine Engineers 

이 논문을 인용한 문헌 (4)

  1. Kim, Byung-Kook ; Kim, Young-Ho ; Song, Woo-Seog ; Lee, Seung-Bae ; Nam, Sang-Kyu ; Kim, Sa-Man 2007. "An Experimental Study on the Performance of the Vertical-Axis Wind Turbine" 유체기계저널 = Journal of fluid machinery, 10(3): 17~24 
  2. Lee, Ju-Hee ; Yoo, Young-So 2011. "Aerodynamic Characteristics of Giromill with High Solidity" 大韓機械學會論文集. Transactions of the Korean Society of Mechanical Engineers. B. B, 35(12): 1273~1283 
  3. Hong, Cheol-Hyun 2011. "A Study for Improving the Performance of Savonius Wind Turbine" 한국마린엔지니어링학회지 = Journal of the Korean Society of Marine Engineering, 35(2): 258~263 
  4. Hong, Cheol-Hyun ; Seo, Seong-Ho 2011. "Basic Experiment Using Taguchi method for Vertical Wind Turbine with Wind-shield" 韓國海洋工學會誌 = Journal of ocean engineering and technology, 25(3): 85~89 

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