Fulltext results:
- Special features and characteristics of components in contact with the ground @basics:building_physics_-_basics:thermal_bridges:tbcalculation:ground_contact
- n the case of components with ground contact does not differ from that for other thermal bridges. Howe... effect of the ground on the building envelope is known, especially in terms of setting the linear ther... the ground itself, this system is influenced by snow, frost formation, seepage and ground water. How... n the outdoor air temperature. Thus for example, snow that falls during temperatures around freezing p
- Unheated basement @basics:building_physics_-_basics:thermal_bridges:tbcalculation:examples
- principles ===== Active temperature control does not take place in unheated basements. As a rule, low... sary. In energy balances the unheated basement is not taken into account in the treated floor area, bu... ased in turn on the approximation function of the norm for taking into account of the ground. Ventilat... ion between the basement and the interior space, another Ψ-value must be calculated for the energy bal
- Exterior wall on floor slab @basics:building_physics_-_basics:thermal_bridges:tbcalculation:examples
- :aussenwand_auf_bodenplatte_abb_5.png?800 |}} **Note!** //Before preparing the calculation model, it... mple, blinding layers can be disregarded which do not have any significant insulating effect on accoun... e $L_{2d}$. If the actual size of the building is not known, B‘ can be selected for the option B, but it should not be too small ($B' > 5 \, \text{m}$). $
- Recommended procedure for calculating thermal bridges of components in contact with the ground @basics:building_physics_-_basics:thermal_bridges:tbcalculation:ground_contact
- ll blocks of earth in the calculation models * no depiction of the ground, in a similar way to calc... length and position of the floor slabs ==== The norm DIN EN ISO 10211 provides two options for calcu... n the Ground worksheet of the PHPP. The PHPP does not use heat flow simulations for this and instead u... must be the same in both calculation models. This norm recommends a floor slab length of 4 metres. **N
- Software for calculating thermal bridges
- ources and heat sinks} \end{align} </WRAP> It is not possible to solve this partial differential equa... dimensional with constant boundary conditions and no heat sources/sinks, an already known analytical solution results with this: <WRAP center 60%> $$ \va... uracy regardless of the method used. It should be noted that not every software program can perform ca
- Heated basement @basics:building_physics_-_basics:thermal_bridges:tbcalculation:examples
- ====== Heated basement ====== In the norms DIN EN ISO 13370 and DIN EN ISO 10211, only one Ψ-value is... {{ :picopen:beheizter_keller_abb_6.png?500 |}} Note: this is not a thermal bridge free connection. In the example given here it is relatively clear tha... nt wall connection to the basement floor slab has not been implemented in an ideal manner. One would
- Basic principle for calculating thermal bridges
- heat transfer resistances should be selected. The norm **DIN EN ISO 10211** is decisive for the calcul... boundary conditions for the temperatures, it does not matter which temperatures are set for the inside... tures and thermal capacities of the materials are not taken into account in the steady-state simulatio... r temperature and the outdoor temperature. In the norm DIN 4108-2 (Section 6.3) the following boundary
- Interior walls on floor slabs @basics:building_physics_-_basics:thermal_bridges:tbcalculation:examples
- because the "insulating effect" of the ground is not taken into account (see Figure 1). As a matter o... ic building the position of the interior wall is known. The Ψ-value can then be calculated based on th... conductances with and without the interior wall. Another advantage is that the surface temperatures de