basics:summer
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basics:summer [2020/08/02 17:31] – [Methodical basis: building simulation, house model] wfeist | basics:summer [2021/10/13 10:44] (current) – corinna.geiger@passiv.de | ||
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===== Summer climate in the Passive House – an important issue ===== | ===== Summer climate in the Passive House – an important issue ===== | ||
- | The question of low-energy buildings overheating in summer "due to their high level of insulation" | + | The question of low-energy buildings overheating in summer "due to their high level of insulation" |
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**Thermal building simulations** are used to determine the summer characteristics of Passive Houses built according to **different construction methods** and having a **different orientation** – taking account of the type and level of shading and ventilation. The first systematic investigation was carried out in the " | **Thermal building simulations** are used to determine the summer characteristics of Passive Houses built according to **different construction methods** and having a **different orientation** – taking account of the type and level of shading and ventilation. The first systematic investigation was carried out in the " | ||
- | In this paper some parts of the study are summarised and substantiated based on existing measurement results. | + | In this paper some parts of the study are summarised and substantiated based on existing measurement results. |
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==== Evaluation based on operative temperatures ==== | ==== Evaluation based on operative temperatures ==== | ||
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> If temperatures in the house exceed 21 °C __and__ the external temperature is lower than the indoor temperature, | > If temperatures in the house exceed 21 °C __and__ the external temperature is lower than the indoor temperature, | ||
- | The tilted position of the window leads to considerably higher average air changes. //__**Fig. 7**__// shows that due to this, the temperatures in the house sink perceptibly to constantly comfortable levels during the summer.\\ | + | The tilted position of the window leads to considerably higher average air changes. //__**Fig. 7**__// shows that due to this, the temperatures in the house sink perceptibly to constantly comfortable levels during the summer. This is one of several reasons, why we always recommend to have at least one window in each room openable and also have a tool to keep it fixed at a specific level [[operation: |
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basics/summer.txt · Last modified: 2021/10/13 10:44 by corinna.geiger@passiv.de