basics:building_physics_-_basics:thermal_bridges:tbcalculation:basic_principle_for_calculating_thermal_bridges

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basics:building_physics_-_basics:thermal_bridges:tbcalculation:basic_principle_for_calculating_thermal_bridges [2019/02/13 10:51] cblagojevicbasics:building_physics_-_basics:thermal_bridges:tbcalculation:basic_principle_for_calculating_thermal_bridges [2022/02/15 19:12] (current) admin
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   * $\theta_e$ = −5 °C for outdoor air temperature   * $\theta_e$ = −5 °C for outdoor air temperature
  
-The Passive House Institute uses the following boundary conditions for the temperature in teh context of **[[certification:passive_house_suitable_components|Componenten certification]]**:+The Passive House Institute uses the following boundary conditions for the temperature in the context of **[[certification:passive_house_suitable_components|Component certification]]**:
  
   * $\theta_i$ = 20 °C for indoor air temperature   * $\theta_i$ = 20 °C for indoor air temperature
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 <WRAP center 60%> <WRAP center 60%>
-<latex> +\begin{align
-\begin{equation*+&f_{Rsi}(x,y,z)=\dfrac{\theta_{min}(x,y,z)-\theta_e}{(\theta_i-\theta_e)} \qquad \text{or } \qquad f_{Rsi}(x,y)=\dfrac{\theta_{min}(x,y)-\theta_e}{(\theta_i-\theta_e)}\\\\ 
-f_{Rsi}(x,y,z)=\dfrac{\theta_{min}(x,y,z)-\theta_e}{(\theta_i-\theta_e)} \qquad \text{bzw. } \qquad f_{Rsi}(x,y)=\dfrac{\theta_{min}(x,y)-\theta_e}{(\theta_i-\theta_e)} \label{eq:frsi} +With\qquad&\\ 
-\end{equation*}   +f_{Rsi}\qquad&\text{the temperature factor at the location $(x,y,z)$ or $(x,y)$}\\\\ 
- \begin{tabular}{ll} +\theta_{min}\qquad&\text{the minimum surface temperature at the location $(x,y,z)$ or $(x,y)$}\\\\ 
- where & \\ +\theta_i\qquad&\text{indoor air temperature}\\\\ 
- $f_{Rsi} $ & the temperature factor at the location $(x,y,z)$ bzw. $(x,y)$ \\  +\theta_e\qquad&\text{outdoor air temperature}\\ 
- $\theta_{min}$  the minimum surface temperature at the location $(x,y,z)$ bzw. $(x,y)$ \\ +\end{align}
- $\theta_i$ & indoor air temperature \\ +
- $\theta_e$ & outdoor air temperature \\  +
- \end{tabular} +
-</latex>+
 </WRAP> </WRAP>
  
basics/building_physics_-_basics/thermal_bridges/tbcalculation/basic_principle_for_calculating_thermal_bridges.1550051486.txt.gz · Last modified: 2019/02/13 10:51 by cblagojevic