Fulltext results:
- Basic principle for calculating thermal bridges @basics:building_physics_-_basics:thermal_bridges:tbcalculation
- red to all throughout. If interior references are used in the context of energy balancing, then $\Psi$-values based on interior references must also be used. However, exterior dimensions are used more often in practice as these can easily be taken from plans... s. Exterior dimensions are therefore consistently used in the [[planning:tools|PHPP]]. {{ :picopen:psi
- Heating load in Passive Houses
- ²a)) is negligible – only about 10% of the energy used in conventional buildings. This has been verifie... ockholm a house with a heating load of 10W/m² may use more like 20kWh/(m²yr); in Rome it might be as lo... of oil before the crisis or due to the low energy use in Passive Houses). That is why it is essential t... t of the entire planning procedure, for which the use of exterior dimensions has become established.
- Software for calculating thermal bridges @basics:building_physics_-_basics:thermal_bridges:tbcalculation
- \cdot \Delta \theta $$ </WRAP> This equation is used in energy balancing for taking into account the ... Typical heat flow software programs which can be used for building engineering applications are based ... software#References|[AkkP 16]]]. However, for the user it is crucial that the used software meets the requirements in DIN EN ISO 10211, Appendix A and that
- Recommended procedure for calculating thermal bridges of components in contact with the ground @basics:building_physics_-_basics:thermal_bridges:tbcalculation:ground_contact
- == In practice, very different methods are often used for calculating thermal bridges of components in... In doing so, exactly the same dimensions must be used in the models. \\ \\ **For preparing the calcula... e Ground worksheet of the PHPP. The PHPP does not use heat flow simulations for this and instead uses special analytical functions which provide almost the
- Adaptive versus Heat Balance Comfort Models @basics:building_physics_-_basics:thermal_comfort
- er temperature range is considered comfortable by users of free-running buildings because they can adap... es to physiological and psychological factors are used to justify the correlation. It appears safe to... n, there are some inconsistencies in the proposed use of adaptive models. * In practice, adaptive mo... decisive. For example, [de Dear 1997] notes that users of air-conditioned buildings are twice as sensi
- Exterior wall on floor slab @basics:building_physics_-_basics:thermal_bridges:tbcalculation:examples
- ulation. The same dimensional reference should be used in the respective [[planning:calculating_energy_... which boundary conditions for the temperature are used for determining the conductances; however, it is recommended that those should be used which will be needed later on for determining th... templates for calculating the Ψ-values should be used for simplification. One can enter the heat flows
- Unheated basement @basics:building_physics_-_basics:thermal_bridges:tbcalculation:examples
- 2d}$ cannot be calculated directly, but with the use of $L_{ue}$ it is possible to express the heat fl... sing or even impossible depending on the software used. Alternatively, the conductances can be ascertai... a temperature correction factor of $f_x=0{.}6$ is used. This gives the following basement temperature: ... irc C} $$ </WRAP> These $2 \, ^\circ C$ are then used as a boundary condition for the temperature in t
- What defines thermal bridge free design?
- {WB}$ is the thermal bridge correction addend (as used in the German energy saving regulations for exam... oducts comply with this criterion. If the planner uses these details, the thermal bridge unit (therm) c... greed, the exterior reference dimension is always used).The heat transfer coefficients were calculated ... for this detail depending on the base point block used here (based on [AkkP 16]}}] [{{:picopen:psi_wae
- Thermal comfort parameters @basics:building_physics_-_basics:thermal_comfort
- cording_to_international_standards_especially_for_use_in_passive_houses|comprehensive explanation of Fa... cording_to_international_standards_especially_for_use_in_passive_houses#Appendix: Calculation of the PM... cording_to_international_standards_especially_for_use_in_passive_houses| A comprehensive explanation of
- Definition and effects of thermal bridges @basics:building_physics_-_basics:thermal_bridges
- uncertainty of ca. 5 %, other methods such as the use of thermal bridge catalogues are even associated ... Section 5.1). **For Passive House buildings, the use of thermal bridge additions is not advised becaus
- Thermal Bridges Catalogue @basics:building_physics_-_basics:thermal_bridges
- y allowing the identification of Ψ-values for the use within various climate conditions. The thermal b... r for any damage or consequences arising from the use of the information presented here is therefore ex
- Heated basement @basics:building_physics_-_basics:thermal_bridges:tbcalculation:examples
- \\ In practice, pre-prepared Excel templates are used here also for determining the Ψ-values. The heat... d the $f_{Rsi}$ factor, the same procedure can be used in this case as for any other thermal bridge. <
- Interior walls on floor slabs @basics:building_physics_-_basics:thermal_bridges:tbcalculation:examples
- As a two-dimensional approximation, which is also used in the context of certification for a constructi
- Special features and characteristics of components in contact with the ground @basics:building_physics_-_basics:thermal_bridges:tbcalculation:ground_contact
- lated in a steady-state manner are therefore also used as harmonic Ψ-values (see the Ground worksheet i