한국수소및신에너지학회논문집 (Transactions of the Korean hydrogen and new energy society)

  • 제30권2호
  • /
  • Pages.136-146
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  • 2019
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  • 1738-7264(pISSN)
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  • 2288-7407(eISSN)
한국수소및신에너지학회 (The Korean Hydrogen and New Energy Society)
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건물용 연료전지 기반 하이브리드 제습냉방시스템 성능 및 에너지 절감 분석

Analysis of Performance and Energy Saving of a SOFC-Based Hybrid Desiccant Cooling System

  • 인정현 (홍익대학교 기계시스템디자인공학과 동력및에너지기술연구실) ;
  • 이율호 (홍익대학교 기계시스템디자인공학과 동력및에너지기술연구실) ;
  • 강상규 (한국기계연구원 청정연료발전연구실) ;
  • 박성진 (홍익대학교 기계시스템디자인공학과 동력및에너지기술연구실)
  • IN, JUNGHYUN (Power & Energy Science Laboratory, Mechanical Engineering, Hongik University) ;
  • LEE, YULHO (Power & Energy Science Laboratory, Mechanical Engineering, Hongik University) ;
  • KANG, SANGGYU (Korea Institute of Machinery and Materials) ;
  • PARK, SUNGJIN (Power & Energy Science Laboratory, Mechanical Engineering, Hongik University)
  • 투고 : 2018.11.23
  • 심사 : 2019.04.30
  • 발행 : 2019.04.30
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초록

A solid oxide fuel cell (SOFC) based hybrid desiccant cooling system model is developed to study the effect of fuel utilization rate of the SOFC on the reduction of energy consumption and $CO_2$ emission. The SOFC-based hybrid desiccant cooling system consists of an SOFC system and a Hybrid desiccant cooling system (HDCS). The SOFC system includes a stack and balance of plant (BOP), and HDCS. The HDCS consists of desiccant rotor, indirect evaporative cooler, electric heat pump (EHP), and heat exchangers. In this study, using energy load data of a commercial office building and SOFC-based HDCS model, the amount of ton of oil equivalent (TOE) and ton of $CO_2$ ($tCO_2$) are calculated and compared with the TOE and $tCO_2$ generation of the EHP using grid electricity.

키워드

SSONB2_2019_v30n2_136_f0002.png 이미지

Fig. 2. SOFC system flow

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Fig. 3. Schematic of a hybrid desiccant cooling system

SSONB2_2019_v30n2_136_f0005.png 이미지

Fig. 5. Effect of fuel utilization on thermal efficiency

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Fig. 6. Effect of fuel utilization on electrical efficiency

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Fig. 8. tCO2 of both systems at different fuel utilization

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Fig. 1. Schematic of hybrid desiccant cooling system based solid oxide fuel cell

SSONB2_2019_v30n2_136_f0010.png 이미지

Fig. 4. Schematic of a indirect evaporative cooier

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Fig. 7. TOE of both systems at different fuel utilization

Table 1. System operation condition11)

SSONB2_2019_v30n2_136_t0001.png 이미지

Table 2. Effect of fuel utilization on performance of 10 kW SOFC9)

SSONB2_2019_v30n2_136_t0002.png 이미지

Table 3. Performance of hybrid desiccant cooling system

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Table 4. Effect of fuel utilization on performance of HDCS

SSONB2_2019_v30n2_136_t0004.png 이미지

Table 5. Effect of fuel utilization on electric consumption and residual electricity of commercial office building in Korea15)

SSONB2_2019_v30n2_136_t0005.png 이미지

참고문헌

  1. S. W. Yoon, "Korea Energy Vision 2050", WWF-korea, 2018.08. Retrieved from https://www.wwfkorea.or.kr/?231250/energy-vision-2050.
  2. M. Jradi and S. Riffat, "Tri-generation system: Energy policies, prime movers, cooling technologies, configurations and operation strategies", Renewable and Sustainable Energy Reviews, Vol. 32, 2014, pp. 396-415, doi: https://doi.org/10.1016/j.rser.2014.01.039.
  3. A. Korner, C. Tam, S. Bennett, and J. F. Gagne, "Technology Roadmap-Hydrogen and Fuel Cells", OECD/IEA, France, 2015.
  4. T. Kerr, "Combined heat and Power : Evaluating the benefits of greater global investment", IEA Publication, France, 2008.
  5. S. Y. Jo and J. W. Jeong, "Analysis of primary energy saving for PEM fuel cell with a liquid desiccant and evaporative cooling-assisted all outdoor air system", Journal of Korean Institute of Architectural Sustainable Environment and Building Systems, Vol. 9, No. 4, 2015, pp. 292-297. Retrieved from http://www.dbpia.co.kr/Journal/ArticleDetail/NODE06519064.
  6. I. Malico, A. P. Carvalhinho, and J. Tenreiro, "Design of a trigeneration system using a high-temperature fuel cell", International Journal of Energy Research, Vol. 33, No. 2, 2009, pp. 144-151, doi: https://doi.org/10.1002/er.1430.
  7. M. Medrano, J. Brouwer, V. McDonell, J. Mauzey, and S. Samuelsen, "Integration of distributed generation systems into generic types of commercial buildings in California", Energy and Buildings, Vol. 40, No. 4, 2008, pp. 537-548, doi: https://doi.org/10.1016/j.enbuild.2007.04.005.
  8. K. F. Fong and C. K. Lee, "Investigation on zero grid-electricity design strategies of solid oxide fuel cell trigeneration system for high-rise building in hot and humid climate", Applied Energy, Vol. 114, 2014, pp. 426-433, doi: https://doi.org/10.1016/j.apenergy.2013.10.001.
  9. Y. Lee, C. Yang, C. Yang, S. Park, and S. Park, "Optimization of Operating Conditions for a 10 kW SOFC System", Trans. of the Korean Hydrogen and New Energy Society, Vol. 27, No. 1, 2016, pp. 49-62, doi: https://doi.org/10.7316/KHNES.2016.27.1.049.
  10. B. Riangvilaikul, S. Kumar, "An experimental study of a novel dew point evaporative cooling system", Energy and Buildings, Vol. 42, No. 5, 2010, pp. 637-644, doi: https://doi.org/10.1016/j.enbuild.2009.10.034.
  11. M. Kanoglu, M. O. Carpinlioglu, and M. Yildirim, "Energy and exergy analyses of an experimental open-cycle desiccant cooling system", Applied Thermal Engineering, Vol. 24, No. 5-6, 2004, pp. 919-932, doi: https://doi.org/10.1016/j.applthermaleng.2003.10.003.
  12. S. D. Oh, K. Y. Kim, S. B. Oh, and H. Y. Kwak, "Optimal operation of a 1-kW PEMFC-based CHP system for residential applications", Applied Energy, Vol. 95, 2012, pp. 93-101, doi: https://doi.org/10.1016/j.apenergy.2012.02.019.
  13. W. B. Hwang, Y. C. Kim, and D. Y. Lee, "A Study on the Performance Evaluation of a Hybrid Desiccant Cooling System", Korean Journal of Air-Conditioning and Refrigeration Engineering, Vol. 24, No. 2, 2012, pp. 121-128, doi: https://doi.org/10.6110/KJACR.2012.24.2.121.
  14. Z. Yu, J. Han, X. Cao, W. Chen, and B. Zhang, "Analysis of total energy system based on solid oxide fuel cell for combined cooling and power applications", International Journal of Hydrogen Energy, Vol. 35, No. 7, 2010, pp. 2703-2707, doi: https://doi.org/10.1016/j.ijhydene.2009.04.043.
  15. H. C. Park and M. Chung, "Building Energy Demand Models for Offices in Korea", Journal of the Korean Solar Energy Society, Vol. 29, No. 5, 2009, pp. 1-7. Retrieved from https://www.dbpia.co.kr/Journal/ArticleDetail/NODE01271249.