IDEAS home Printed from https://ideas.repec.org/a/eee/renene/v147y2020ip1p2279-2294.html
   My bibliography  Save this article

Optimization of cool roof and night ventilation in office buildings: A case study in Xiamen, China

Author

Listed:
  • Guo, Rui
  • Gao, Yafeng
  • Zhuang, Chaoqun
  • Heiselberg, Per
  • Levinson, Ronnen
  • Zhao, Xia
  • Shi, Dachuan

Abstract

Increasing roof albedo (using a “cool” roof) and night ventilation are passive cooling technologies that can reduce the cooling loads in buildings, but existing studies have not comprehensively explored the potential benefits of integrating these two technologies. This study combines an experiment in the summer and transition seasons with an annual simulation so as to evaluate the thermal performance, energy savings and thermal comfort improvement that could be obtained by coupling a cool roof with night ventilation. A holistic approach integrating sensitivity analysis and multi-objective optimization is developed to explore key design parameters (roof albedo, night ventilation air change rate, roof insulation level and internal thermal mass level) and optimal design options for the combined application of the cool roof and night ventilation. The proposed approach is validated and demonstrated through studies on a six-storey office building in Xiamen, a cooling-dominated city in southeast China. Simulations show that combining a cool roof with night ventilation can significantly decrease the annual cooling energy consumption by 27% compared to using a black roof without night ventilation and by 13% compared to using a cool roof without night ventilation. Roof albedo is the most influential parameter for both building energy performance and indoor thermal comfort. Optimal use of the cool roof and night ventilation can reduce the annual cooling energy use by 28% during occupied hours when air-conditioners are on and reduce the uncomfortable time slightly during occupied hours when air-conditioners are off.

Suggested Citation

  • Guo, Rui & Gao, Yafeng & Zhuang, Chaoqun & Heiselberg, Per & Levinson, Ronnen & Zhao, Xia & Shi, Dachuan, 2020. "Optimization of cool roof and night ventilation in office buildings: A case study in Xiamen, China," Renewable Energy, Elsevier, vol. 147(P1), pages 2279-2294.
    • Handle: RePEc:eee:renene:v:147:y:2020:i:p1:p:2279-2294
    DOI: 10.1016/j.renene.2019.10.032
    as

    Download full text from publisher

    File URL: http://www.sciencedirect.com/science/article/pii/S096014811931523X
    Download Restriction: Full text for ScienceDirect subscribers only
    File URL: https://libkey.io/10.1016/j.renene.2019.10.032?utm_source=ideas
    LibKey link: if access is restricted and if your library uses this service, LibKey will redirect you to where you can use your library subscription to access this item
    ---><---

    As the access to this document is restricted, you may want to search for a different version of it.

    References listed on IDEAS

    as
    1. Gao, Yafeng & Xu, Jiangmin & Yang, Shichao & Tang, Xiaomin & Zhou, Quan & Ge, Jing & Xu, Tengfang & Levinson, Ronnen, 2014. "Cool roofs in China: Policy review, building simulations, and proof-of-concept experiments," Energy Policy, Elsevier, vol. 74(C), pages 190-214.
    2. Solgi, Ebrahim & Fayaz, Rima & Kari, Behrouz Mohammad, 2016. "Cooling load reduction in office buildings of hot-arid climate, combining phase change materials and night purge ventilation," Renewable Energy, Elsevier, vol. 85(C), pages 725-731.
    3. Artmann, N. & Manz, H. & Heiselberg, P., 2007. "Climatic potential for passive cooling of buildings by night-time ventilation in Europe," Applied Energy, Elsevier, vol. 84(2), pages 187-201, February.
    4. Fordham, M, 2000. "Natural ventilation," Renewable Energy, Elsevier, vol. 19(1), pages 17-37.
    5. Barzin, Reza & Chen, John J.J. & Young, Brent R. & Farid, Mohammed M., 2015. "Application of PCM energy storage in combination with night ventilation for space cooling," Applied Energy, Elsevier, vol. 158(C), pages 412-421.
    6. AboulNaga, M.M & Abdrabboh, S.N, 2000. "Improving night ventilation into low-rise buildings in hot-arid climates exploring a combined wall–roof solar chimney," Renewable Energy, Elsevier, vol. 19(1), pages 47-54.
    7. Zingre, Kishor T. & Wan, Man Pun & Tong, Shanshan & Li, Hua & Chang, Victor W.-C. & Wong, Swee Khian & Thian Toh, Winston Boo & Leng Lee, Irene Yen, 2015. "Modeling of cool roof heat transfer in tropical climate," Renewable Energy, Elsevier, vol. 75(C), pages 210-223.
    8. Kolokotroni, M. & Aronis, A., 1999. "Cooling-energy reduction in air-conditioned offices by using night ventilation," Applied Energy, Elsevier, vol. 63(4), pages 241-253, August.
    9. Oropeza-Perez, Ivan & Østergaard, Poul Alberg, 2014. "Energy saving potential of utilizing natural ventilation under warm conditions – A case study of Mexico," Applied Energy, Elsevier, vol. 130(C), pages 20-32.
    10. Yoon-Bok Seong & Jae-Han Lim, 2013. "Energy Saving Potentials of Phase Change Materials Applied to Lightweight Building Envelopes," Energies, MDPI, vol. 6(10), pages 1-12, October.
    11. Shaviv, Edna & Yezioro, Abraham & Capeluto, Isaac G, 2001. "Thermal mass and night ventilation as passive cooling design strategy," Renewable Energy, Elsevier, vol. 24(3), pages 445-452.
    12. Yao, Runming & Li, Baizhan & Steemers, Koen & Short, Alan, 2009. "Assessing the natural ventilation cooling potential of office buildings in different climate zones in China," Renewable Energy, Elsevier, vol. 34(12), pages 2697-2705.
    13. Yang, Zheng & Ghahramani, Ali & Becerik-Gerber, Burcin, 2016. "Building occupancy diversity and HVAC (heating, ventilation, and air conditioning) system energy efficiency," Energy, Elsevier, vol. 109(C), pages 641-649.
    Full references (including those not matched with items on IDEAS)

    Citations

    Citations are extracted by the CitEc Project, subscribe to its RSS feed for this item.
    as


    Cited by:

    1. Wang, Meng & Yu, Hang & Liu, Yupeng & Lin, Jianyi & Zhong, Xianzhun & Tang, Yin & Guo, Haijin & Jing, Rui, 2024. "Unlock city-scale energy saving and peak load shaving potential of green roofs by GIS-informed urban building energy modelling," Applied Energy, Elsevier, vol. 366(C).
    2. Guo, Rui & Hu, Yue & Heiselberg, Per & Johra, Hicham & Zhang, Chen & Peng, Pei, 2021. "Simulation and optimization of night cooling with diffuse ceiling ventilation and mixing ventilation in a cold climate," Renewable Energy, Elsevier, vol. 179(C), pages 488-501.
    3. Zhuang, Chaoqun & Gao, Yafeng & Zhao, Yingru & Levinson, Ronnen & Heiselberg, Per & Wang, Zhiqiang & Guo, Rui, 2021. "Potential benefits and optimization of cool-coated office buildings: A case study in Chongqing, China," Energy, Elsevier, vol. 226(C).
    4. Xingbo Yao & Bart J. Dewancker & Yuang Guo & Shuo Han & Juan Xu, 2020. "Study on Passive Ventilation and Cooling Strategies for Cold Lanes and Courtyard Houses—A Case Study of Rural Traditional Village in Shaanxi, China," Sustainability, MDPI, vol. 12(20), pages 1-36, October.
    5. Jinghua Yu & Kangxin Leng & Feifei Wang & Hong Ye & Yongqiang Luo, 2020. "Simulation Study on Dynamic Thermal Performance of a New Ventilated Roof with Form-Stable PCM in Southern China," Sustainability, MDPI, vol. 12(22), pages 1-21, November.

    Most related items

    These are the items that most often cite the same works as this one and are cited by the same works as this one.
    1. Liu, Jiang & Liu, Yan & Yang, Liu & Liu, Tang & Zhang, Chen & Dong, Hong, 2020. "Climatic and seasonal suitability of phase change materials coupled with night ventilation for office buildings in Western China," Renewable Energy, Elsevier, vol. 147(P1), pages 356-373.
    2. Tong, Zheming & Chen, Yujiao & Malkawi, Ali & Liu, Zhu & Freeman, Richard B., 2016. "Energy saving potential of natural ventilation in China: The impact of ambient air pollution," Applied Energy, Elsevier, vol. 179(C), pages 660-668.
    3. Liwei Wen & Kyosuke Hiyama, 2018. "Target Air Change Rate and Natural Ventilation Potential Maps for Assisting with Natural Ventilation Design During Early Design Stage in China," Sustainability, MDPI, vol. 10(5), pages 1-16, May.
    4. Zhou, Guobing & Yang, Yongping & Wang, Xin & Zhou, Shaoxiang, 2009. "Numerical analysis of effect of shape-stabilized phase change material plates in a building combined with night ventilation," Applied Energy, Elsevier, vol. 86(1), pages 52-59, January.
    5. Kuczyński, Tadeusz & Staszczuk, Anna, 2023. "Experimental study of the thermal behavior of PCM and heavy building envelope structures during summer in a temperate climate," Energy, Elsevier, vol. 279(C).
    6. Ramponi, Rubina & Angelotti, Adriana & Blocken, Bert, 2014. "Energy saving potential of night ventilation: Sensitivity to pressure coefficients for different European climates," Applied Energy, Elsevier, vol. 123(C), pages 185-195.
    7. Alizadeh, M. & Sadrameli, S.M., 2016. "Development of free cooling based ventilation technology for buildings: Thermal energy storage (TES) unit, performance enhancement techniques and design considerations – A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 58(C), pages 619-645.
    8. Zhang, Haihua & Yang, Dong & Tam, Vivian W.Y. & Tao, Yao & Zhang, Guomin & Setunge, Sujeeva & Shi, Long, 2021. "A critical review of combined natural ventilation techniques in sustainable buildings," Renewable and Sustainable Energy Reviews, Elsevier, vol. 141(C).
    9. Fiorentini, Massimo & Tartarini, Federico & Ledo Gomis, Laia & Daly, Daniel & Cooper, Paul, 2019. "Development of an enthalpy-based index to assess climatic potential for ventilative cooling of buildings: An Australian example," Applied Energy, Elsevier, vol. 251(C), pages 1-1.
    10. Artmann, N. & Manz, H. & Heiselberg, P., 2008. "Parameter study on performance of building cooling by night-time ventilation," Renewable Energy, Elsevier, vol. 33(12), pages 2589-2598.
    11. Ji, Wenhui & Wang, Houhua & Du, Tao & Zhang, Zili, 2019. "Parametric study on a wall-mounted attached ventilation system for night cooling with different supply air conditions," Renewable Energy, Elsevier, vol. 143(C), pages 1865-1876.
    12. Bu, Fan & Yan, Da & Tan, Gang & Sun, Hongsan & An, Jingjing, 2023. "Acceleration algorithms for long-wavelength radiation integral in the annual simulation of radiative cooling in buildings," Renewable Energy, Elsevier, vol. 202(C), pages 255-269.
    13. Waqas, Adeel & Ud Din, Zia, 2013. "Phase change material (PCM) storage for free cooling of buildings—A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 18(C), pages 607-625.
    14. K. S. Reddy & Vijay Mudgal & Tapas K. Mallick, 2017. "Thermal Performance Analysis of Multi-Phase Change Material Layer-Integrated Building Roofs for Energy Efficiency in Built-Environment," Energies, MDPI, vol. 10(9), pages 1-15, September.
    15. Toparlar, Y. & Blocken, B. & Maiheu, B. & van Heijst, G.J.F., 2018. "Impact of urban microclimate on summertime building cooling demand: A parametric analysis for Antwerp, Belgium," Applied Energy, Elsevier, vol. 228(C), pages 852-872.
    16. Haolia Rahman & Hwataik Han, 2019. "Correlation of Ventilative Cooling Potentials and Building Energy Savings in Various Climatic Zones," Energies, MDPI, vol. 12(6), pages 1-10, March.
    17. Jaehong Park & Sugie Lee, 2022. "Effects of a Cool Roof System on the Mitigation of Building Temperature: Empirical Evidence from a Field Experiment," Sustainability, MDPI, vol. 14(8), pages 1-19, April.
    18. Yan, Tian & Xu, Xinhua & Gao, Jiajia & Luo, Yongqiang & Yu, Jinghua, 2020. "Performance evaluation of a PCM-embedded wall integrated with a nocturnal sky radiator," Energy, Elsevier, vol. 210(C).
    19. Hossein Bakhtiari & Jan Akander & Mathias Cehlin & Abolfazl Hayati, 2020. "On the Performance of Night Ventilation in a Historic Office Building in Nordic Climate," Energies, MDPI, vol. 13(16), pages 1-26, August.
    20. Chen, Yujiao & Malkawi, Ali & Liu, Zhu & Freeman, Richard Barry & Tong, Zheming, 2016. "Energy Saving Potential of Natural Ventilation in China: The Impact of Ambient Air Pollution," Scholarly Articles 27733689, Harvard University Department of Economics.

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:eee:renene:v:147:y:2020:i:p1:p:2279-2294. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    If CitEc recognized a bibliographic reference but did not link an item in RePEc to it, you can help with this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: Catherine Liu (email available below). General contact details of provider: http://www.journals.elsevier.com/renewable-energy .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.