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| Content Provider | Directory of Open Access Journals (DOAJ) |
|---|---|
| Author | Sara Elhadad Chro Hama Radha István Kistelegdi Bálint Baranyai János Gyergyák |
| 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. |
| e-ISSN | 19961073 |
| DOI | 10.3390/en13081876 |
| Journal | Energies |
| Issue Number | 1876 |
| Volume Number | 13 |
| Language | English |
| Publisher | MDPI AG |
| Publisher Date | 2020-04-01 |
| Publisher Place | Switzerland |
| Access Restriction | Open |
| Subject Keyword | Technology Model Simplifications Thermal and Visual Comfort Energy Performance Ida Ice Residential Building |
| Content Type | Text |
| Resource Type | Article |
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