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The present study, through a pooled analysis of experimental and numerical data, intends to assess the beneficial effect that the courtyards have in reducing the energy consumption of the buildings, especially for cooling demand.
This reduction, compared with the building without the effect of the courtyard, rise up to values that can reach up to approximately 10% in the rooms located at a middle height of the courtyard and with a high percentage of facade in contact with it. Globally, the reduction in cooling demand obtained is 7% for the spaces bordering the courtyard.
The greater the previous relationship, the greater the reduction in the demand for refrigeration. This implies that there is a direct interaction between energy-saving and the courtyard's geometry conceived as the relationship between the courtyard's surface and the area of the building façades that surround it.
The courtyard modifies the climatic conditions in its interior, fundamentally, the solar radiation that reaches each surface, walls and, windows, as well as the temperature of the air. Callejas et al. (2020) calculated the importance of the shading index inside the courtyard.
The courtyards provide shade to the walls that delimit them, and they are also able to act as a heat sink by cooling the air. This last effect is increased when there are sources of water and vegetation in the courtyard.
It is also in this month when the absolute differences between the cooling demand of the reference case and the case study are greater. This suggests that the effect of the courtyard is increased in conditions of high outdoor temperature.
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Furthermore, thermal comfort states and energy performances of these two different building typologies in interior courtyard and in building internal volumes for hot-dry, hot-humid and cold ...
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Furthermore, thermal comfort states and energy performances of these two different building typologies in interior courtyard and in building internal volumes for hot-dry, …
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In this work, the combination of experimental data and a thermal simulation has proved out to be useful to evaluate the influence of the courtyard on the cooling demand …
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Evaluation of the effects of courtyard building shapes on solar heat gains and energy efficiency according to different climatic regions
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By using the CFD program, this study has analyzed the thermal comfort statuses and energy performances of 7 different courtyard shapes in inter-courtyard and building …
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Evaluation of the effects of courtyard building shapes on solar heat gains and energy efficiency according to different climatic regions
Evaluation of the effects of courtyard building shapes on solar heat gains and energy efficiency according to different climatic regions ... In order to observe the effect of the variable courtyard …
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courtyard reduces 52% of direct solar gain (Qg) when compared with the existing house (without courtyard). The simulation results explicate that passive approaches like courtyard and …
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