Fulltext results:
- Heating load in Passive Houses
- ====== Heating load in Passive Houses ====== Due to their extremely high level of energy efficiency, the heating demand in Passive Houses (typically no higher than 15 kWh/(m²a)) is negligible – only about 10% of the energy used in conventional buildings. This has been verifie... field measurements: by building to the Passive House Standard, it is actually possible to achieve ener
- Thermal comfort parameters @basics:building_physics_-_basics:thermal_comfort
- cording_to_international_standards_especially_for_use_in_passive_houses|comprehensive explanation of Fangers comfort research and ISO 7730]] for those inter... {:picopen:fig._1_air_movement_near_to_a_passive_house_window.jpg?520 | **Fig. 1** Air movement near to a Passive House window: Due to the small temperature difference b
- What defines thermal bridge free design?
- s as follows. \\ [{{ :picopen:envelope_passive_house.png?300|Due to thermal bridge free design, the he... {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... y be omitted during the planning of the Passive House - this saves a lot of work during calculations. O
- Special features and characteristics of components in contact with the ground @basics:building_physics_-_basics:thermal_bridges:tbcalculation:ground_contact
- alculating_energy_efficiency:phpp_-_the_passive_house_planning_package |PHPP]]. ===== Influence of th... pends on the structure of the ground surface. Because the condition of the surfaces bordering the build... es place towards the outside air. The heat flow caused by the temperature difference between the inside... nger be determined in accordance with R = λ/d because the ground around a building does not represent a
- Definition and effects of thermal bridges @basics:building_physics_-_basics:thermal_bridges
- ts of thermal bridges can be avoided in Passive Houses: the interior surface temperatures are then so h... uncertainty of ca. 5 %, other methods such as the use of thermal bridge catalogues are even associated ... (DIN EN ISO 14683, Section 5.1). **For Passive House buildings, the use of thermal bridge additions is not advised because they lead to overestimation of
- Adaptive versus Heat Balance Comfort Models @basics:building_physics_-_basics:thermal_comfort
- ====== \\ Author: Jürgen Schnieders, Passive House Institute.\\ ===== Why PHI is not using adaptive... er temperature range is considered comfortable by users of free-running buildings because they can adapt to varying boundary conditions. Depending on the st... tures empirically. In the view of the Passive House Institute, there is a number of strong arguments
- Local thermal comfort @basics:building_physics_-_basics:thermal_comfort
- ptimum way with the requirements of the Passive House Standard - Improved thermal insulation simultaneo... comfort#Literature|[Pfluger 2003] ]]). "Passive House quality", particularly for windows, can even be d... ulating effect of a window suitable for Passive Houses must be so efficient that even under the coldest... ks – which do not occur in the airtight Passive House anyway) are due to uplift at surfaces which have
- 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
- Exterior wall on floor slab @basics:building_physics_-_basics:thermal_bridges:tbcalculation:examples
- ncrete layer (layer number 19) is disregarded because the insulating effect is small compared to the su... ulation. The same dimensional reference should be used in the respective [[planning:calculating_energy_efficiency:phpp_-_the_passive_house_planning_package |PHPP]] calculation. In the exam... which boundary conditions for the temperature are used for determining the conductances; however, it is
- 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... is calculated in accordance with Equation 1. Because the heat losses due to the ventilation of the spa... alculating_energy_efficiency:phpp_-_the_passive_house_planning_package |PHPP]]; for this, some rows in ... f the Research Group for Cost-effective Passive Houses and is demonstrated below. Only the conductances
- 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... is included in the U-values and conductances, because this is already taken into account in the Ground worksheet of the PHPP. The PHPP does not use heat flow simulations for this and instead uses s
- 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
- Thermal comfort
- ====== Thermal comfort ====== Passive Houses are buildings that need very little energy to achieve a c... mit_logo.png|}}| |**Infrared image of a Passive House window from the inside.\\ All surfaces (window fr... sics:thermal_comfort:Thermal_comfort_in_Passive_House_Building|Thermal comfort in Passive House buildings 1 ]] [[basics:building_physics_-_basics:thermal_c
- Heated basement @basics:building_physics_-_basics:thermal_bridges:tbcalculation:examples
- alculating_energy_efficiency:phpp_-_the_passive_house_planning_package |PHPP]] it is sufficient to ente... alculating_energy_efficiency:phpp_-_the_passive_house_planning_package |PHPP]], U-values for the baseme... \\ 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. <
- 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 excluded. |[[https://database.passivehouse.com/de/download/product_page/thermal-bridge-catal... catalog for free.| |[[https://database.passivehouse.com/de/download/product_page/thermal-bridge-catal