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Model Simplification on Energy and Comfort Simulation Analysis for Residential Building Design in Hot and Arid Climate

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  • Sara Elhadad

    (Energia Design Building Technology Research Group, Szentágothai Research Centre, Ifjúság útja 20, H-7624 Pécs, Hungary
    Department of Architecture, Faculty of Engineering, Minia University, Minia 61111, Egypt
    Marcel Breuer Doctoral School, Faculty of Engineering and Information Technology, University of Pécs, Boszorkány u. 2, H-7624 Pécs, Hungary)

  • Chro Hama Radha

    (Technical College of Engineering, City Planning Department, Sulaimani Polytechnic University, Sulaimani Polytechnic University, Sulaymaniyah 46001, Iraq)

  • István Kistelegdi

    (Energia Design Building Technology Research Group, Szentágothai Research Centre, Ifjúság útja 20, H-7624 Pécs, Hungary
    Department of Building Constructions and Energy Design, Faculty of Engineering and Information Technology, University of Pécs, Boszorkány út 2, H-7624 Pécs, Hungary)

  • Bálint Baranyai

    (Energia Design Building Technology Research Group, Szentágothai Research Centre, Ifjúság útja 20, H-7624 Pécs, Hungary
    Department of Building Constructions and Energy Design, Faculty of Engineering and Information Technology, University of Pécs, Boszorkány út 2, H-7624 Pécs, Hungary)

  • János Gyergyák

    (Department of Architecture and Urban Planning, Faculty of Engineering and Information, Technology, University of Pécs, Boszorkány u. 2, H-7624 Pécs, Hungary)

Abstract

Accurate building physics performance analysis requires time-consuming, detailed modeling, and calculation time requirement. This paper evaluates the impact of model simplifications on thermal and visual comfort as well as energy performance. In the framework of dynamic zonal thermal simulation, a case study of a residential building in hot climate is investigated. A detailed model is created and simplified through four scenarios, by incrementally reducing the number of thermal zones from modeling every space as a separate zone to modeling the building as a single zone. The differences of total energy and comfort performance in the detailed and simplified models are analyzed to evaluate the grade of the simplifications’ accuracy. The results indicate that all simplification scenarios present a marginal average deviation in total energy demand and thermal comfort by less than 20%. Combining rooms with similar thermal features into a zone presents the optimal scenario, while the worst scenario is the single-zone model. Results showed that thermal zone merging as a simulation simplification method has its limitations as well, whereas a too intensive simplification can lead to undesired error rates. The method is well applicable in further early-stage design and development tasks, specifically in large-scale projects.

Suggested Citation

  • Sara Elhadad & Chro Hama Radha & István Kistelegdi & Bálint Baranyai & János Gyergyák, 2020. "Model Simplification on Energy and Comfort Simulation Analysis for Residential Building Design in Hot and Arid Climate," Energies, MDPI, vol. 13(8), pages 1-17, April.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:8:p:1876-:d:344568
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    References listed on IDEAS

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    Cited by:

    1. Jacopo Gaspari & Kristian Fabbri, 2022. "Exploring the Effects of Climate-Adaptive Building Shells: An Applicative Time-Saving Algorithm on a Case Study in Bologna, Italy," Energies, MDPI, vol. 15(21), pages 1-19, November.
    2. Rojhat Ibrahim & Sara Elhadad & Bálint Baranyai & Tamás János Katona, 2022. "Impact Assessment of Morphology and Layout of Zones on Refugees’ Affordable Core Shelter Performance," Sustainability, MDPI, vol. 14(18), pages 1-16, September.
    3. Sangmu Bae & Yujin Nam & Joon-Ho Choi, 2020. "Comparative Analysis of System Performance and Thermal Comfort for an Integrated System with PVT and GSHP Considering Two Load Systems: Convective Heating and Radiant Floor Heating," Energies, MDPI, vol. 13(20), pages 1-19, October.
    4. Abir Khechiba & Djamila Djaghrouri & Moussadek Benabbas & Francesco Leccese & Michele Rocca & Giacomo Salvadori, 2023. "Balancing Thermal Comfort and Energy Consumption in Residential Buildings of Desert Areas: Impact of Passive Strategies," Sustainability, MDPI, vol. 15(10), pages 1-21, May.

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