Building energy efficiency improvement using multi-objective optimization for heating and cooling VRF thermostat setpoints
- The variable refrigerant flow system is one of the best heating, ventilation, and air conditioning systems (HVAC) thanks to its ability to provide thermal comfort inside buildings. But, at the same time, these systems are considered one of the most energy-consuming systems in the building sector. Thus, it is crucial to well size the system according to the building’s cooling and heating needs andThe variable refrigerant flow system is one of the best heating, ventilation, and air conditioning systems (HVAC) thanks to its ability to provide thermal comfort inside buildings. But, at the same time, these systems are considered one of the most energy-consuming systems in the building sector. Thus, it is crucial to well size the system according to the building’s cooling and heating needs and the indoor temperature fluctuations. Although many researchers have studied the optimization of the building energy performance considering heating or cooling needs, using air handling units, radiant floor heating, and direct expansion valves, few studies have considered the use of multi-objective optimization using only the thermostat setpoints of VRF systems for both cooling and heating needs. Thus, the main aim of this study is to conduct a sensitivity analysis and a multi-objective optimization strategy for a residential building containing a variable refrigerant flow system, to evaluate the effect of the building performance on energy consumption and improve the building energy efficiency. The numerical model was based on the EnergyPlus, jEPlus, and jEPlus+EA simulation engines. The approach used in this paper has allowed us to reach significant quantitative energy saving by varying the cooling and heating setpoints and scheduling scenarios. It should be stressed that this approach could be applied to several HVAC systems to reduce energy-building consumption.…
Document Type: | Conference Proceeding |
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Conference Type: | Konferenzartikel |
Zitierlink: | https://opus.hs-offenburg.de/7963 | Bibliografische Angaben |
Title (English): | Building energy efficiency improvement using multi-objective optimization for heating and cooling VRF thermostat setpoints |
Conference: | International Conference on Indoor Air Quality, Ventilation & Energy Conservation in Buildings (11. : May 20-23, 2023 : Tokyo, Japan) |
Author: | Niima Es-sakali, Samir Idrissi Kaitouni, Imad Ait Laasri, Mohamed Oualid Mghazli, Jens PfafferottStaff MemberORCiDGND, Moha Cherkaoui |
Year of Publication: | 2023 |
Publisher: | EDP Sciences |
Page Number: | 6 |
First Page: | 1 |
Last Page: | 6 |
Article Number: | 03032 |
Parent Title (English): | E3S Web of Conferences |
Volume: | 396 |
ISSN: | 2267-1242 |
DOI: | https://doi.org/10.1051/e3sconf/202339603032 |
URN: | https://urn:nbn:de:bsz:ofb1-opus4-79637 |
Language: | English | Inhaltliche Informationen |
Institutes: | Forschung / INES - Institut für nachhaltige Energiesysteme |
Fakultät Maschinenbau und Verfahrenstechnik (M+V) | |
Institutes: | Bibliografie |
DDC classes: | 600 Technik, Medizin, angewandte Wissenschaften |
Tag: | Building energy efficiency; heating and cooling | Formale Angaben |
Relevance: | Konferenzbeitrag: h5-Index < 30 |
Open Access: | Open Access |
Diamond | |
Licence (German): | Creative Commons - CC BY - Namensnennung 4.0 International |