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Recommended procedure for calculating thermal bridges of components in contact with the ground @basics:building_physics_-_basics:thermal_bridges:tbcalculation:ground_contact

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e length of the floor slab should also be defined using the external dimensions!** === Option A === Wit... lculating the Ψ-value, they must then be depicted using U-values which already include the influence of the ground. These values can be calculated using the approximation functions in the DIN EN ISO 133... of heat flow simulations takes place additionally using an "infinitely" long analogous model (only two-di

Special features and characteristics of components in contact with the ground @basics:building_physics_-_basics:thermal_bridges:tbcalculation:ground_contact

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planning_package |PHPP]] this problem is analysed using the principle of superposition. The sinusoidal gr... In contrast with $L_s$, $L_{pe}$ must be adjusted using a harmonic linear thermal transmittance which sho... n the topic of skirt insulation:** **[AkkP 48]** Using Passive House technology for retrofitting non-res

Basic principle for calculating thermal bridges

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mal interior surface temperature can be performed using the same model, but other boundary conditions sho... emperatures is similar and can usually take place using the same model as for calculating the $\Psi$-valu

Software for calculating thermal bridges

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e Fourier equation must be calculated numerically using computer-assisted methods. Typical heat flow soft... f the boundary conditions. The actual calculation using the FEM or FDM is undertaken by the processing un

Heated basement @basics:building_physics_-_basics:thermal_bridges:tbcalculation:examples

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t floor slab and the basement wall are determined using the approximation function in the DIN EN ISO 1337... e calculated in accordance with Option B, that is using an additional calculation. For this, the building

Unheated basement @basics:building_physics_-_basics:thermal_bridges:tbcalculation:examples

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sible to express the heat flow or the conductance using the following equation: <WRAP centeralign> $$ \... o one Kelvin. These calculations are demonstrated using an example: <WRAP centeralign> **Determining the

Exterior wall on floor slab @basics:building_physics_-_basics:thermal_bridges:tbcalculation:examples

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{2d}$, this results from the heat flow calculated using the heat flow software program. <WRAP centeralig

Interior walls on floor slabs @basics:building_physics_-_basics:thermal_bridges:tbcalculation:examples

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1.5 metres. This procedure is demonstrated below using an example. {{ :picopen:innenwand_auf_bodenplatt