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Design, environment, energy, and comfort in buildings equipped with a PMV-controlled HVAC system

Conceição, E. ORCID:, Conceição, M., Conceição, M. I. ORCID:, Lúcio, M. M. and Awbi, H. (2023) Design, environment, energy, and comfort in buildings equipped with a PMV-controlled HVAC system. Engineering Proceedings, 53 (1). 24. ISSN 2673-4591 (1st International Online Conference on Buildings, 24–26 October 2023)

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To link to this item DOI: 10.3390/iocbd2023-15209


This work presents a study about the design, environment, energy, and comfort in buildings equipped with a Predicted Mean Vote (PMV)-controlled HVAC system. The control system, based on the three categories of the international standard ISO 7730 uses the level of thermal comfort instead of the traditional control of the air temperature. In this type of control, using the PMV index, the air temperature (Tair), air relative humidity (RHair), Mean Radiant Temperature (MRT), air velocity (Vair), level of clothing (CL), and level of physical activity (AL) are considered. The initial four parameters are associated with environmental ones, and the last two are associated with personal ones. The simulation is carried out using a simulator of the dynamic thermal response of buildings and the thermophysiology of the occupants. The simulator considers energy and mass balance integral equations, based on the building’s design. This equation system is generated by the simulator. In this study, three cases are performed: Categories A, B, and C. According to the results obtained, it is possible to verify that it takes some time to achieve acceptable comfort conditions when the HVAC system is connected. However, after the conditions are achieved, the system guarantees acceptable conditions during the occupancy time. Category A provides higher levels of energy consumption than Categories B and C.

Item Type:Article
Divisions:Science > School of the Built Environment > Construction Management and Engineering
ID Code:114185


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