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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국유체기계학회 International Journal of Fluid Machinery and Systems International Journal of Fluid Machinery and Systems Vol.10 No.4
- 발행연도
- 2017.12
- 수록면
- 385 - 393 (9page)
- DOI
- 10.5293/IJFMS.2017.10.4.385
이용수
초록· 키워드
오류제보하기
Small hydropower generation is one of important alternative energy, and potential of small hydropower is great. Efficiency of small hydro-turbine is lower than that of large one, and these small hydro-turbine’s common problems are out of operation by foreign materials. Therefore, we adopted contra-rotating rotors, which can be expected to achieve high performance and enable to use low-solidity rotors to achieve stable operation. Experimental apparatus of the contra-rotating small hydro-turbine with 60mm casing diameter was manufactured and some experiments were conducted. In this research, the internal flow with foreign vegetable materials, i.e. leaves and grasses, were investigated by a high speed camera, and the performance experiments when two pieces of cudweeds were attached on the blade of front rotor were conducted. As the results shown, the passing rate of small leaves is 41.2% and all of the middle leaves can’t pass through the contra-rotating small hydro-turbine. The highest efficiency also decreased about 13%, reaching to 51.2% at 1.4Qd, because of the foreign vegetable materials.
목차
Abstract
1. Introduction
2. Design and Experimental Work
3. Visualization Results of Internal Flow with Foreign Vegetable Materials
4. Effect of Foreign Vegetable Materials on Performance
5. Conclusions
References
참고문헌 (19)
참고문헌 신청
[학술지(정기간행물)] - A. Furukawa / 1998 / Basic study of low head water power utilization by using darrieus-type turbine / Trans. JSME (in Japanese) 64 (624) : 2534 ~ 2540
[학술지(정기간행물)] - T. Kanemoto / 2004 / Development of Gyro-type hydraulic turbine suitable for shallow stream (1st Report, rotor works and hydroelectric power generation) / Trans. JSME (in Japanese) 70 (690) : 413 ~ 418
[학술지(정기간행물)] - Kei Tanaka / 2013 / A Study on Darrieus-type Hydroturbine toward Utilization of Extra-Low Head Natural Flow Streams / International Journal of Fluid Machinery and Systems 6 (3) : 152 ~ 159
[학술지(정기간행물)] - Daisuke Matsushita / 2014 / Experimental and Numerical Investigations on Performances of Darriues-type Hydro Turbine with Inlet Nozzle / International Journal of Fluid Machinery and Systems 7 (4) : 151 ~ 159
[학술지(정기간행물)] - J. Matsui / 2010 / Internal flow and performance of the spiral water turbine / Turbomachinery (in Japanese) 38 (6) : 358 ~ 364
[학술지(정기간행물)] - T. Kanemoto / 2004 / Development of Gyro-type hydraulic turbine suitable for shallow stream (1st Report, rotor works and hydroelectric power generation) / Trans. JSME (in Japanese) 70 (690) : 413 ~ 418
[학술지(정기간행물)] - Kei Tanaka / 2013 / A Study on Darrieus-type Hydroturbine toward Utilization of Extra-Low Head Natural Flow Streams / International Journal of Fluid Machinery and Systems 6 (3) : 152 ~ 159
[학술지(정기간행물)] - Daisuke Matsushita / 2014 / Experimental and Numerical Investigations on Performances of Darriues-type Hydro Turbine with Inlet Nozzle / International Journal of Fluid Machinery and Systems 7 (4) : 151 ~ 159
[학술지(정기간행물)] - J. Matsui / 2010 / Internal flow and performance of the spiral water turbine / Turbomachinery (in Japanese) 38 (6) : 358 ~ 364
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UCI(KEPA) : I410-ECN-0101-2018-554-001894831