한국기계가공학회지 (Journal of the Korean Society of Manufacturing Process Engineers)

  • 제18권4호
  • /
  • Pages.76-86
  • /
  • 2019
  • /
  • 1598-6721(pISSN)
  • /
  • 2288-0771(eISSN)
한국기계가공학회 (The Korean Society of Manufacturing Process Engineers)
권호 표지
DOI QR코드

DOI QR Code

전산유체역학을 이용한 초저낙차 상황에서의 도립형 횡류수차의 해석 및 설계 최적화

Computational Analysis of an Inverted-type Cross-flow Turbine for Ultra-low head Conditions

  • 함상우 (강원대학교 대학원 기계융합공학과) ;
  • 하호진 (강원대학교 기계의용.메카트로닉스.재료공학부) ;
  • 이정완 (강원대학교 기계의용.메카트로닉스.재료공학부)
  • Ham, Sangwoo (Advanced Mechanical Engineering, Graduate School, Kangwon National University) ;
  • Ha, Hojin (Division of Mechanical and Biomedical, Mechatronics, and Material Sience and Engineering, Kangwon National University) ;
  • Lee, Jeong Wan (Division of Mechanical and Biomedical, Mechatronics, and Material Sience and Engineering, Kangwon National University)
  • 투고 : 2019.01.15
  • 심사 : 2019.03.19
  • 발행 : 2019.04.30
PDF 다운로드
⟨ 이전 논문 다음 논문 ⟩

초록

The cross-flow turbine is a key hydraulic power system that is widely due to low costs, high efficiency, and low maintenance. In particular, the cross-flow turbine considered as the most suitable turbine for low head situations as it is known to operate down to 5 m of water head. However, the conventional cross-flow turbine is unsuitable for ultra-low head situations with less than a 3 m water head. In this study, we propose an inverted-type cross-flow turbine to overcome the limitations of conventional cross-flow turbines under ultra-low head situations. First, we described the limitations of conventional turbines and suggested a new turbine for the ultra-low head circumstances. Second, we investigated the performance of the new turbine using CFD analysis. Results demonstrated the effects of the design parameters, such as number of blades and rotor diameter ratio, on the performance of the suggested turbine. As a result, we developed an inverted-type cross-flow turbine with up to 60% efficiency under low water head conditions.

키워드

참고문헌

  1. "2016 New & renewable energy white paper," (2016) https://www.knrec.or.kr/(accessed 31, Dec., 2018).
  2. Yun, S. W., Ryu, J. S. and Kim, Y. J., "Policy Decision and its Impact on German Nuclear Phase-Out," Journal of Korea Technology Innovation Society, Vol. 2017, No. 11, pp. 1543-1557, 2017.
  3. "Energy generation capacity,"(2018) http://kosis.kr (accessed 28, Dec., 2018).
  4. "Implementation plan for renewable energy 3020," (2017) http://www.motie.go.kr/(accessed 21, Dec., 2018).
  5. "Classification of small hydropower,"(2018) https://www.knrec.or.kr/(accessed 26, Dec., 2018).
  6. Bae, S. H., "Results of the Important Energy Research Project in 1974," Magazine of the SAREK, Vol. 4, No. 1, pp. 3-5, 1975.
  7. Cheong, D. and Jung, H. M., "Change of sedimentary facies of the Soyang Lake sediments and its effects on the environmental sedimen- tology since the construction of the Soyang River Dam," Journal of the Geological Society of Korea, Vol. 42, No. 2, pp. 199-234, 2006.
  8. Hyon, J. B., "A Study on operation of Soyanggang multi-purpose Dam-Hydro-power Plant," Journal of the Korea electric association, Vol. 1986, No. 9, pp. 31-37, 1986.
  9. Cha, K., "An Eco-efficiency Study on Photovoltaic/Wind/Hydro power," Journal of Korea Society for Life Cycle Assessment, Vol. 15, No. 1, pp. 57-68, 2014.
  10. Singh, D., Micro Hydro Power Resource Assesment Handbook, Asian and Pacific Center for Transfer of Technology, p. 16, 2009.
  11. Singh, D., Micro Hydro Power Resource Assesment Handbook, Asian and Pacific Center for Transfer of Technology, p. 21, 2009.
  12. Mehr, G., Durali, M., Khakrand, M. H. and Hoghooghi, H., "A New Design Methodology for Hydraulic Cross-Flow Turbine and its Implementation," arXiv, Vol. 2017, No. 4, pp. 1-22, 2017.
  13. Widmer, R., Arter, A. and Eisenring, M., Harnessing Water Power on a Small Sacle Volume4 Cross Flow Turbine Fabrication, SKAT, pp. 55-56, 1993.
  14. Zhou, D. and Deng, Z., "Ultra-low-head hydroelectric technology: A review," Renewable and Sustainable Energy Reviews, Vol. 78, pp. 23-30, 2017. https://doi.org/10.1016/j.rser.2017.04.086
  15. Arter, A. and Meier, U., Harnessing Water Power on a Small Sacle Volume2 Hydraulics Engineering Manual, SKAT, pp. 6-28, 1990.
  16. "Industry risk analysis report: Present condition and prospect of hydropower market,"(2013) http://www.itfind.or.kr/admin/getFile.htm?identifier=02-004-130819-000029(accessed 26, Dec., 2018).