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하이브리드 태양열 해수담수기의 운전 조건별 성능실험

Performance of Hybrid Solar Still Under Operating Conditions

  • 여세동 (한국기계연구원 환경시스템연구본부(과학기술연합대학원대학교 플랜트기계공학)) ;
  • 임병주 (한국기계연구원 에너지플랜트안전연구실) ;
  • 유상석 (충남대학교 기계공학과) ;
  • 정경열 (한국기계연구원 환경시스템연구본부(과학기술연합대학원대학교 플랜트기계공학)) ;
  • 박창대 (한국기계연구원 환경시스템연구본부(과학기술연합대학원대학교 플랜트기계공학))
  • Yeo, Se Dong (Research Division for Environment and Energy Systems, Korea Institute of Machinery & Materials (Dept. of Plant system and Machinery, Univ. of Science & Technology)) ;
  • Lim, Byung Ju (Dept. of Plant Safety Technology, Korea Institute of Machinery & Materials) ;
  • Yu, Sang Seok (Dept. of Mechanical engineering, Chungnam Nat'l Univ.) ;
  • Chung, Kyung Yul (Research Division for Environment and Energy Systems, Korea Institute of Machinery & Materials (Dept. of Plant system and Machinery, Univ. of Science & Technology)) ;
  • Park, Chang Dae (Research Division for Environment and Energy Systems, Korea Institute of Machinery & Materials (Dept. of Plant system and Machinery, Univ. of Science & Technology))
  • 투고 : 2016.12.01
  • 심사 : 2017.06.11
  • 발행 : 2017.08.01

초록

태양열 및 발전기의 배기가스 폐열을 복합열원으로 이용하여 작동되는 하이브리드 태양열 해수담수기의 성능을 증가시키기 위한 실험을 수행하였다. 실험 장비는 집열 면적이 $1m{\times}2m$인 단순 태양열 증류기와 수직 다중효용부로 구성되어 있다. 실험은 두 대의 동일한 하이브리드 태양열 해수담수기에 대하여 태양열을 열원으로 실외에서 다양한 운전 조건으로 수행하였다. 실험 결과 하이브리드 태양열 해수담수기의 담수 생산량은 다양한 운전 조건에 의존하였다. 태양열 증류기의 측면 유리에 단열을 하는 것과 낮은 초기 베이진 해수 수위는 태양열 해수담수기의 성능을 증가시켰다. 반사율이 평균 47%보다 낮은 반사휜의 적용은 예상과 다르게 총 생산량을 감소시켰다. 그러나 다중효용부로 공급하는 해수 공급 유량은 실험 범위 내에서 생산량에 명확한 영향을 보이지 않았다.

In this study, we have performed tests to improve the productivity of hybrid solar stills, which can be operated by solar thermal energy and/or waste heat of exhaust gas from electrical generators. The experimental apparatus is a hybrid solar still with a $1m{\times}2m$ collecting area, which consists of a conventional simple solar still and a vertical multi-effect diffusion(MED) section. The experiments were conducted under various operating conditions, with two identical hybrid solar stills, using solar radiation as the energy source. The results of the tests showed that the yield of the hybrid solar still depends on the various operating conditions. Insulation at the side glasses and a lower basin seawater level increased the productivity of the hybrid solar still. Reflecting fins with less than 47% reflectivity unexpectedly decreased the total productivity. However, the various feeding flow rate of the seawater into MED part did not show clear effects on productivity in the tested range.

키워드

참고문헌

  1. Grag, H. P., 1987, Advances in solar energy technology, Dordrecht, Boston, Vol. 1, pp. 97-98.
  2. Park, C. D., Lim, B. J. and Tanaka, H., 2010, "Development of Seawater Distiller Utilizing Waste Heat of Portable Electric Generators," Trans. Korean Soc. Mech. Eng. B, Vol. 34, No.6, pp. 607-613. https://doi.org/10.3795/KSME-B.2010.34.6.607
  3. Park, C. D., Lim, B. J. and Chung, K. Y., 2011, "Two-effect Distillation of a Seawater Distiller Utilizing Waste Heat of a Small Electric Generator," Desalination and Water Treatment, Vol. 33, pp. 359-364. https://doi.org/10.5004/dwt.2011.2668
  4. Jang, H., Yi, C. S., Suh, J. S., Jeong, K. Y. and Park, C. D., 2013, "Study on Prediction of Performance with Design Variables of Solar- Assisted Still Using Waste Heat from Diesel Generator," Trans. Korean Soc. Mech. Eng. B, Vol. 37, No. 12, pp. 1064-1068.
  5. Noh, Y. D., Park, C. D., Lim, B. J. and Chung, K. Y., 2014, "Performance Experiment of Seawater Distiller using Waste Heat of Portable Electric Generator," Spring conference 2014 Korean Soc. Mech. Thermal engineering, pp. 279- 280.
  6. Park, C. D., Lim, B. J., Noh, C. D., Lee, S. S. and Chung, K. Y., 2015, "Parametric Performance Test of Distiller Utilizing Solar and Waste Heat,"Desalination and Water Treatment, Vol. 55, pp. 3303-3309. https://doi.org/10.1080/19443994.2014.946712
  7. Lim, B. J., Park, C. D., Chung, K. R. and Yu, S. S., 2015, "Experiments for Hybrid Solar Distiller with Waste Heat," Spring conference 2015 Korean Soc. Mech. Thermal engineering, pp. 187-188.
  8. Tanaka, H., 2009, "Experimental Study of Vertical Multiple-effect Diffusion Solar Still Coupled with a Flat Plate Reflector," Desalination, Vol. 249, pp. 34-40. https://doi.org/10.1016/j.desal.2008.10.022
  9. Ali. F. M., Alghoul, M. A., Fudholi, A., Abdul-Majeed, M. M. and Sopian, K., 2014, "Factors Affecting Basin Type Solar Still Productivity: A Detailed Review," Renewable and Sustainable Energy Reviews, Vol. 32, pp 430-447. https://doi.org/10.1016/j.rser.2013.12.052
  10. Park, C. D., Lim, B. J., Chung, K. Y., Lee, S. S. and Kim, Y. M., 2016, "Experiemntal Evaluation of Hybrid Solar Still using Waste Heat," Desalination, Vol. 379, pp. 1-9. https://doi.org/10.1016/j.desal.2015.10.004
  11. Mohamad, M. A., Soliman, S. H., Abdel-Salam, M. S. and Hussein, H. M. S., 1995 "Experimental and Financial Investigation of Asymmetrical Solar Stills with Different Insulation," Applied Energy, Vol. 52, pp. 265-271. https://doi.org/10.1016/0306-2619(95)00043-R