한국대기환경학회지 (Journal of Korean Society for Atmospheric Environment)

  • 제31권4호
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  • Pages.385-395
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  • 2015
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  • 1598-7132(pISSN)
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  • 2383-5346(eISSN)
한국대기환경학회 (Korean Society for Atmospheric Environment)
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창호일체형 환기시스템 및 중앙냉방시스템 연계 운영에 대한 수치해석적 연구

Numerical Analysis on the Coupled Operation of Ventilation Window System and Central Cooling System

  • 박동윤 (한국과학기술원 건설 및 환경공학과) ;
  • 장성주 (한국과학기술원 건설 및 환경공학과)
  • Park, Dong Yoon (Department of Civil and Environmental Engineering, Korea Advanced Institute of Science and Technology) ;
  • Chang, Seongju (Department of Civil and Environmental Engineering, Korea Advanced Institute of Science and Technology)
  • 투고 : 2015.05.28
  • 심사 : 2015.08.03
  • 발행 : 2015.08.31
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초록

This study evaluated indoor environmental characteristics in an office room equipped both with ventilation window system and central cooling system. Fresh air is supplied only by the central cooling system whereas indoor air is discharged outside through both ceiling diffuser and a ventilation window system. Numerical study is conducted by changing the volumetric flow rates of exhaust ports of each system. For estimating the performance of this coupled system, $CO_2$ concentration and Predicted Mean Vote (PMV) were calculated using Computational Fluid Dynamics (CFD) simulation. The more the ceiling diffuser exhausts indoor air, the more the $CO_2$ concentration decreases. However, when the ventilation window system exhausts more indoor air, thermal comfort level gets improved in the office room with cooling system. Therefore, when the ventilation window system is operated, the coupled operation with central cooling system should be considered for enhancing indoor air quality and thermal comfort, together.

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참고문헌

  1. ASHRAE (2013) ASHRAE Handbook - Fundamentals, American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE).
  2. Burge, H.A. and M.E. Hoyer (1990) Indoor Air Quality, Appl. Occup. Environ. Hyg., 5(2), 84-93. https://doi.org/10.1080/1047322X.1990.10389595
  3. Chang, H.J. and H.J. Kim (2011) A Study on Ventilation Characteristics Made by Thin Line Type Ventilator in an Apartment House, Korean J. Air-Conditioning Refrig. Eng., 23(3), 201-207. https://doi.org/10.6110/KJACR.2011.23.3.201
  4. Glaser, H.J. and S. Ulrich (2013) Condensation on the outdoor surface of window glazing - Calculation methods, Key Parameters and Prevention with Low-Emissivity Coatings, Thin Solid Films, 532, 127-131. https://doi.org/10.1016/j.tsf.2012.12.110
  5. Hwang, J.W., J.Y. Song, and B.C. Ahn (2012) Demand Control Application Strategies for Saving Electric Power Price of Central Cooling System, Trans. Korea Soc. Geotherm. Energy Eng., 8(4), 1-7.
  6. ISO 7730 (1994) Moderate Thermal Environments - Determination of PMV and PPD Indices and Specification of the Conditions for Thermal Comfort, International Standardization for Organization.
  7. ISO 7730 (2005) Ergonomics of the Thermal Environment -Analytical Determination and Interpretation of Thermal Comfort using Calculation of the PMV and PPD Indices and Local Thermal Comfort Criteria, International Organization for Standardization.
  8. Jeong, C.H., J.S. Park, M.S. Yeo, and K.W. Kim (2013) An Experimental Study of the Characteristic of Surface Temperature Distribution and Condensation in a Vacuum Insulated Glass Window, J. Archit. Inst. Korea - Plan. Des., 29(10), 283-292.
  9. Kim, G.W., O. Kim, S.W. Jun, J.C. Park, and E.K. Rhee (2006) An Experimental Study on the Performance of Hybrid ventilation system in Apartment Houses, Proc. SAREK, 104-108.
  10. Kim, J., T. Kim, and S.B. Leigh (2011) Double Window System with Ventilation Slits to Prevent Window Surface Condensation in Residential Buildings, Energy Build., 43(11), 3120-3130. https://doi.org/10.1016/j.enbuild.2011.08.012
  11. Kim, S.D. and J. Lee (2005) Recommended Practice for a Reasonable Design Demand Factor and Analysis of Power Consumption Characteristics by Loads in Office Building, J. Korean Inst. Illum. Electr. Install. Eng., 19(3), 111-118.
  12. Lee, E.H., Y.S. Kim, and C.G. Ji (2013b) A Study on Window Type Ventilation System Using IT Technology for Energy Saving in Housing Space, J. Korean Hous. Assoc., 24(2), 61-68. https://doi.org/10.6107/JKHA.2013.24.2.061
  13. Lee, J.Y., K.J. Jang, and H.T. Han (2013a) Comparison Experiment for Indoor Air Quality and Energy Consuming regarding Ventilation Mode, Proc. SAREK, 352-355.
  14. Lee, K.H., J.O. Yoon, J.G. Jeong, Y.G. Lee, and E.-M. Moon (1995) Field Study on Indoor Air Quality and Sick Building Syndrome in Office Building, J. Archit. Inst. Korea, 11(12), 179-187.
  15. Oreszczyn, T., D. Boyd, and P. Cooper (1989) Condensation Targeter: The Integration of a Thermal and Moisture Model, Proc. Build. Simul., 47-52.
  16. Park, D.Y. and S. Chang (2014) Numerical Analysis to Determine the Performance of Combined Variable Ceiling and Floor-based Air Distribution Systems in an Office Room, Indoor Built Environ., 23(7), 971-987. https://doi.org/10.1177/1420326X13490530
  17. Patankar, S. (1980) Numerical Heat Transfer and Fluid Flow, Taylor & Francis.
  18. Perez-Lombard, L., J. Ortiz, and C. Pout (2008) A Review on Buildings Energy Consumption Information, Energy Build., 40(3), 394-398. https://doi.org/10.1016/j.enbuild.2007.03.007
  19. Sung, U.J., S. Cho, and K.D. Song (2012) An Analysis on Thermal Performance and Economic of Heat Recovery Ventilation System Integrated with Window, Korean J. Air-Conditioning Refrig. Eng., 24(8), 646-655. https://doi.org/10.6110/KJACR.2012.24.8.646
  20. Van Den Bergha, S., R. Hart, B.P. Jelle, and A. Gustavsena (2013) Window Spacers and Edge Seals in Insulating Glass Units: A State-of-the-Art Review and Future Perspectives, Energy Build., 58, 263-280. https://doi.org/10.1016/j.enbuild.2012.10.006
  21. Versteeg, H.K. and W. Malalasekera (2007) An Introduction to Computational Fluid Dynamics: The Finite Volume Method, Pearson Education.
  22. Werner, A. and A. Roos (2007) Condensation Tests on Glass Samples for Energy Efficient Windows, Sol. Energy Mater. Sol. Cells, 91(7), 609-615. https://doi.org/10.1016/j.solmat.2006.11.015
  23. Wyon, D.P. (2004) The Effects of Indoor Air Quality on Performance and Productivity, Indoor Air, 14(Suppl 7), 92-101.
  24. Yoon, D.W., J.S. Kim, S. Yoo, D. Song, T. Kim, and S.B. Leigh (2008) A Study on Performance Evaluation of Natural Ventilative Dual Window for Condensation Prevention in Apartment Housing, J. Korean Inst. Archit. Sustain. Environ. Build. Syst., 2(2), 41-46.