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Research on the Comprehensive Performance of Hygroscopic Materials in an Office Building Based on EnergyPlus

Author

Listed:
  • Shui Yu

    (School of Municipal and Environmental Engineering, Shenyang Jianzhu University, Shenyang 110168, China)

  • Yumeng Cui

    (State Key Laboratory of Subtropical Building Science, South China University of Technology, Guangzhou 510641, China)

  • Yifei Shao

    (School of Municipal and Environmental Engineering, Shenyang Jianzhu University, Shenyang 110168, China)

  • Fuhong Han

    (School of Municipal and Environmental Engineering, Shenyang Jianzhu University, Shenyang 110168, China)

Abstract

This paper presents the research status of hygroscopic materials, points out the weak links as targets for major breakthroughs, and introduces humidifying mechanisms and their categories. In this paper, we simulated a single-monomer Shenyang office building with different envelopes of inner-surface hygroscopic materials for indoor humidity conditions, energy consumption, and economy, which are three aspects of energy consumption analysis in EnergyPlus software. To obtain the best moisture buffering performance from hygroscopic materials, we also simulated different cases including the laying area, ventilation strategy, thickness, and initial moisture content of different hygroscopic materials. The humidity fluctuation, with changes in the style of hygroscopic materials and usage conditions, of a room in a building can be analyzed by numerical simulation. This allows the determination of the best moisture buffering performance of the building structure. The results show that hygroscopic materials have great advantages in three energy saving aspects of building assessment. Hygroscopic materials can regulate indoor air humidity and reduce energy consumption. In addition, the entire life-cycle cost can be minimized. Lower rates of air exchange and larger usable areas can help enhance the level of performance of hygroscopic materials. The thickness and initial moisture content of hygroscopic materials have little impact on the moisture buffering value. This study strived to provide a theoretical basis and technical guidance for the production and installation of hygroscopic materials. It also promoted the passive materials market and the building’s energy savings. The best moisture buffering performance, evaluated at room level in this paper, can be obtained through real-world environmental simulation.

Suggested Citation

  • Shui Yu & Yumeng Cui & Yifei Shao & Fuhong Han, 2019. "Research on the Comprehensive Performance of Hygroscopic Materials in an Office Building Based on EnergyPlus," Energies, MDPI, vol. 12(1), pages 1-17, January.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:1:p:191-:d:195831
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    Citations

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    Cited by:

    1. Zhu, Na & Li, Xingkun & Hu, Pingfang & Lei, Fei & Wei, Shen & Wang, Wentao, 2022. "An exploration on the performance of using phase change humidity control material wallboards in office buildings," Energy, Elsevier, vol. 239(PE).
    2. Stella Tsoka & Theodoros Theodosiou & Konstantia Papadopoulou & Katerina Tsikaloudaki, 2020. "Assessing the Energy Performance of Prefabricated Buildings Considering Different Wall Configurations and the Use of PCMs in Greece," Energies, MDPI, vol. 13(19), pages 1-20, September.
    3. Fabiana Silvero & Fernanda Rodrigues & Sergio Montelpare, 2019. "A Parametric Study and Performance Evaluation of Energy Retrofit Solutions for Buildings Located in the Hot-Humid Climate of Paraguay—Sensitivity Analysis," Energies, MDPI, vol. 12(3), pages 1-27, January.
    4. Jan Fořt & Jan Kočí & Jaroslav Pokorný & Robert Černý, 2020. "Influence of Superabsorbent Polymers on Moisture Control in Building Interiors," Energies, MDPI, vol. 13(8), pages 1-13, April.
    5. Marco Pedroso & Maria da Glória Gomes & José Dinis Silvestre & Ahmed Hawreen & Inês Flores-Colen, 2023. "Thermophysical Parameters and Hygrothermal Simulation of Aerogel-Based Fibre-Enhanced Thermal Insulating Renders Applied on Exterior Walls," Energies, MDPI, vol. 16(7), pages 1-33, March.

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