The early design stage of a building envelope: Multi-objective search through heating, cooling and lighting energy performance analysis

Echenagucia, Tomás Méndez; Capozzoli, Alfonso; Cascone, Ylenia; Sassone, Mario

doi:10.1016/j.apenergy.2015.04.090

Cited by 249 publications

(101 citation statements)

References 43 publications

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“…The results showed that the superficial mass of the external wall is important to obtain the best performance in the warm climate, and that is possible to reach high performance in the summertime also by lighter and thinner walls. Echenagucia et al [17] proposed an integrative approach for the early stages of building design to obtain detailed information on energy efficient envelope configurations, consisting of a multi-objective search with the aim of minimizing the energy need for heating, cooling and lighting. The investigation was carried out for an open space office building in four European locations.…”

Section: Introductionmentioning

confidence: 99%

The impact of thermal transmittance variation on building design in the Mediterranean region

et al. 2019

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Contrarily to what happens in northern European countries, buildings in the Mediterranean region are prone to overheating. Consequently, it is important to better understand the role of thermal transmittance of the building envelope elements in the airconditioning consumptions. This paper analyzes the effect of different U-values on the building design in the Mediterranean area. 192 000 residential buildings were randomly generated and the energy consumption assessed for sixteen distinct locations. It was found that, in northern Mediterranean locations, as U-values decrease, the energy consumption also decreases. However, in warmer climates, low thermal transmittances tend to significantly increase the energy consumption. Hence, the lower the latitude, the higher the most adequate U-values, due to the increase of the cooling demands. Additionally, geometry-based indexes were correlated with the buildings energy performance. For high U-values it was found that bigger buildings worsen the energy performance and larger windows tend to improve it. For low U-values, bigger North-faced windows are beneficial. There is an adequate interval of values for which the geometry has a lower impact, which is wider and higher for lower latitudes, thus meaning that not only the building performance improves but architects are also freer to explore alternative designs.

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Section: Introductionmentioning

confidence: 99%

The impact of thermal transmittance variation on building design in the Mediterranean region

et al. 2019

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“…In equations (14)- (15), Q e , Q t and Q i are, respectively, heat gain through the envelope, heat transfer due to infiltration and internal heat gains (kWh/year). θ m is the average outdoor temperature in the cooling season ( • C).…”

Section: Energy Consumption Of Space Coolingmentioning

confidence: 99%

“…Similar studies investigating the influences of the thermal performance of wall materials applied in net-zero buildings were also published in recent years, such as [12,13]. The modeling and constructional design of building envelopes were studied in [14,15,16,17,18]. These studies mainly tried to identify the best envelope design, making use of different structures to achieve better thermal insulation, taking advantage of energy modeling techniques.…”

Section: Introductionmentioning

confidence: 99%

A multi-objective optimization model for energy-efficiency building envelope retrofitting plan with rooftop PV system installation and maintenance

2017

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Retrofitting existing buildings with energy-efficient facilities is an effective method to improve their energy efficiency, especially for old buildings. A multi-objective optimization model for building envelope retrofitting is presented. Envelope components including windows, external walls and roofs are considered to be retrofitted. Installation of a rooftop solar panel system is also taken into consideration in this study. Rooftop solar panels are modeled with their degradation and a maintenance scheme is studied for sustainability of energy and its long-term effect on the retrofitting plan. The purpose is to make the best use of financial investment to maximize energy savings and economic benefits. In particular, net present value, the payback period and energy savings are taken as the main performance indicators of the retrofitting plan. The multi-objective optimization problem is formulated as a non-linear integer programming problem and solved by a weighted sum method. Results of applying the designed retrofitting plan to a 50-year-old building consisting of 66 apartments demonstrated the effectiveness of the proposed model.

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“…On PCMs, recent works are focused on investigating the incorporation of different proportions of expanded graphite into construction materials for enhancing the overall thermo-physical properties of building envelopes [23,24]. There have also been studies that have investigated envelope designs to optimize cooling, heating and lighting energy usage [25]. To enable prediction of thermal performance of building envelopes, different mathematical models have been developed [26,27].…”

Section: Introductionmentioning

confidence: 99%

Drivers of moderate increase in cooling energy use in residential buildings in Hong Kong

Jia

Lee

2016

Energy and Buildings

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The early design stage of a building envelope: Multi-objective search through heating, cooling and lighting energy performance analysis

Cited by 249 publications

References 43 publications

The impact of thermal transmittance variation on building design in the Mediterranean region

The impact of thermal transmittance variation on building design in the Mediterranean region

A multi-objective optimization model for energy-efficiency building envelope retrofitting plan with rooftop PV system installation and maintenance

Drivers of moderate increase in cooling energy use in residential buildings in Hong Kong

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