basics:summer
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basics:summer [2019/04/17 09:34] – [The influence of the window size and quality of glazing] cblagojevic | basics:summer [2020/08/03 14:43] – [Summer climate in the Passive House – an important issue] wfeist | ||
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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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The analyses are based on plans of the inhabited Passive House in Darmstadt-Kranichstein. | The analyses are based on plans of the inhabited Passive House in Darmstadt-Kranichstein. | ||
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|//**__Fig. 2__: cross-section of the Darmstadt Kranichstein Passive House including the individual zones.**// | |//**__Fig. 2__: cross-section of the Darmstadt Kranichstein Passive House including the individual zones.**// | ||
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The model parameters have been documented in detail in the study [[basics: | The model parameters have been documented in detail in the study [[basics: | ||
- | |{{ :picopen:phpp_daten_004.gif }}| | + | |{{:picprivate:pb15_02_table_2a.png?/ |
- | |// | + | |// |
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==== Evaluation based on operative temperatures ==== | ==== Evaluation based on operative temperatures ==== | ||
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* The frequency of the occurrence of temperatures over 25 °C increases with increasing south-facing windows areas with low-e triple-glazing: | * The frequency of the occurrence of temperatures over 25 °C increases with increasing south-facing windows areas with low-e triple-glazing: | ||
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* about 30% with triple glazing and low-e coating | * about 30% with triple glazing and low-e coating | ||
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* about 25% with " | * about 25% with " | ||
good values can still be achieved without temporary sunshades in the Passive House. | good values can still be achieved without temporary sunshades in the Passive House. | ||
* In contrast, with a glazing proportion of | * In contrast, with a glazing proportion of | ||
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* over 42% with triple glazing and low-e coating | * over 42% with triple glazing and low-e coating | ||
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* over 35% with " | * over 35% with " | ||
basics/summer.txt · Last modified: 2021/10/13 10:44 by corinna.geiger@passiv.de