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The Study of Long-Term Performance Evaluation of Vacuum Insulation Panel(VIP) with Accelerated Aging Test

가속노화 시험을 통한 진공단열패널(VIP)의 장기성능 평가 연구

  • Kim, Jin-Hee (Green Energy Technology Research Center, Kongju National University) ;
  • Kim, Jun-Tae (Department of Architectural Engineering, Kongju National University)
  • 김진희 (공주대학교 그린에너지기술연구소) ;
  • 김준태 (공주대학교 건축학부)
  • Received : 2017.05.18
  • Accepted : 2017.08.30
  • Published : 2017.08.30

Abstract

Energy efficiency solutions are being pursued as a sustainable approach to reducing energy consumption and related gas emissions across various sectors of the economy. Vacuum Insulation Panel (VIP) is an energy efficient advanced insulation system that facilitates slim but high-performance insulation, based on a porous core material evacuated and encapsulated in a barrier envelope. Although VIP has been applied in buildings for over a decade, it wasn't until recently that efforts have been initiated to propose and adopt a global standard on characterization and testing of VIP. One of the issues regarding VIP is its durability and aging due to pressure and moisture dependent increase of the initial low thermal conductivity with time; more so in building applications. In this paper, the aging of commercially available VIP was investigated experimentally; thermal conductivity was tested in accordance with ISO 8302 standard (guarded hot box method) and long-term durability was estimated based on a non-linear pressure-humidity dependent equation based on study of IEA/ECBCS Annex 39, with the aim of assessing durability of VIP for use in buildings. The center-of-panel thermal conductivity after 25 years based on initial 90% fractile with a confidence level of 90 % for the thermal conductivity (${\lambda}90/90$) ranged from 0.00726-0.00814 (W/m K) for silica core VIP. Significant differences between manufacturer-provided data and measurements of thermal conductivity and internal pressure were observed.

Keywords

References

  1. Caps, R., Beyrichen, H., Kraus, D., Weismann, S., Quality Control of Vacuum Insulation Panels: Methods of Measuring Gas Pressure, Vacuum, Vol. 82, No. 7, pp. 691-699, 2008. https://doi.org/10.1016/j.vacuum.2007.10.015
  2. Kwon, J. S., Jang C. H., Jung, H., Song, T. H., Effective Thermal Conductivity of Various Filling Materials for Vacuum Insulation Panels, International Journal of Heat and Mass Transfer, Vol. 52, No. 23, pp. 5525-5532, 2009. https://doi.org/10.1016/j.ijheatmasstransfer.2009.06.029
  3. Kalnæs, S. E. and Jelle, B. P., Vacuum Insulation Panel Products: A State-of-the-art Review and Future Research Pathways, Applied Energy, Vol. 116, pp. 355-375, 2014. https://doi.org/10.1016/j.apenergy.2013.11.032
  4. Binz, A., Moosmann, A., Steinke, G., Schonhardt, U., Fregnan, F., Simmler, H., Brunner, S., Ghazi Wakili, K. and Bundi, R. and Heinemann, U., Vacuum Insulation in the Building Sector-Systems and Applications (Subtask B), IEA/EBC Annex 39, Vol. 39, pp. 1-134, 2005.
  5. Boafo, F. E., Chen, Z., Li, C., Li, B., Xu T., Structure of Vacuum Insulation Panel in Building System, Energy and Buildings, Vol. 85, pp. 644-653, 2014. https://doi.org/10.1016/j.enbuild.2014.06.055
  6. Johansson, P., Vacuum Insulation Panels in Buildings: Literature Review, Chalmers University of Technology, 2012.
  7. Li, C. D., Duan, Z. D., Chen, Q., Chen, Z. F., Boafo, F. E., Wu, W. P., Zhou, J. M., The Effect of Drying Condition of Glassfibre Core Material on the Thermal Conductivity of Vacuum Insulation Panel, Materials & Design, 2013.
  8. Li, C. D., Chen. Z. F., Boafo, F. E., Chen. Q., Zhang. J., Zhou, J. M., Ye, X. L., Li, C. Y., Determination of Optimum Drying Condition of VIP Core Material by Wet Method, Drying Technology, Vol. 31, No. 10, pp. 1084-1090, 2013. https://doi.org/10.1080/07373937.2012.756817
  9. Li, C. D., Chen. Z. F., Boafo, F. E., Xu, T. Z., Wang, L., Effect of Pressure Holding Time of Extraction Process on Thermal Conductivity of Glassfiber VIPs, Journal of Materials Processing Technology, Vol. 214, pp. 539-543, 2013.
  10. Xiaobo, D., Yimin G., Chonggao B., Yongnian H., Zhen'gang X., Optimization of Glass Fiber Based Core Materials for Vacuum Insulation Panels with Laminated Aluminum Foils as Envelopes, Vacuum, Vol. 97, pp. 55-59, 2013. https://doi.org/10.1016/j.vacuum.2013.04.005
  11. Simmler, H. and Brunner, S., Vacuum Insulation Panels for Building Application: Basic Properties, Aging Mechanisms and Service Life. Energy and Buildings, Vol. 37, No. 11, pp. 1122-1131, 2005. https://doi.org/10.1016/j.enbuild.2005.06.015
  12. Boafo, F. E., Juntae, K., and Chen, Z., Configured Cavity-core Matrix for Vacuum Insulation Panel: Concept, Preparation and Thermophysical Properties, Energy and Buildings, Vol. 97, pp. 98-106, 2015. https://doi.org/10.1016/j.enbuild.2015.03.056
  13. Brunner, S. and Simmler, H., In Situ Performance Assessment of Vacuum Insulation Panels in a Flat Roof Construction, Vacuum, Vol. 82, No. 7, pp. 700-707, 2008. https://doi.org/10.1016/j.vacuum.2007.10.016
  14. Porta, P., Gas Problem and Gettering in Sealed-off Vacuum Devices, Vacuum, Vol. 47, No. 6, pp. 771-777, 1996. https://doi.org/10.1016/0042-207X(96)00064-4
  15. Brunner, S. and K. Ghazi Wakili, Hints for an Additional Aging Factor Regarding the Thermal Performance of Vacuum Insulation Panels with Pyrogenic Silica Core, Vacuum, Vol. 100, pp. 4-6, 2014. https://doi.org/10.1016/j.vacuum.2013.07.033
  16. Simmler, H., Brunner, S., Heinemann, U., Schwab, H., Kumaran, K., Mukhopadhyaya, P., Quenard, D., Sallee, H., Noller, K., Kucukpinar-Niarchos, E., Stramm, C., Tenpierik, M., Cauberg, H. and Erb, M., Vacuum Insulation Panels: Study on VIP-components and Panels for Service Life Prediction of VIP in Building Applications (Subtask A), IEA/EBC Annex 39, 2005.
  17. ISO/TC 163/SC3 Working draft; ISO/CD 16478 Thermal insulation products-Vacuum insulated panels (VIPs)- Specification, Technical Committee ISO/TC 163, Thermal performance and energy use in the built environment, 2013.

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