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 ... gs [AkkP-28]. Yet a particular building’s exact heating demand, guaranteed to be low in any case, is really secondary to ensuring that a Passive House building functions properly. \\
- Adaptive versus Heat Balance Comfort Models @basics:building_physics_-_basics:thermal_comfort
- ====== Adaptive versus Heat Balance Comfort Models ====== \\ Author: Jürgen Schnieders, Passive Hous... of thermal comfort is given in [ASHRAE 55] as ”that condition of mind that expresses satisfaction with the thermal environment“. There is general agreement that the main extern
- Thermal comfort parameters @basics:building_physics_-_basics:thermal_comfort
- well-researched and the results have been incorporated into international standards (DIN ISO 7730). A large part of the information available to us today is due to the work of th... e)]].\\ In Passipedia we also have a [[phi_publications:pb_25:comfort_criteria_according_to_internati
- Special features and characteristics of components in contact with the ground @basics:building_physics_-_basics:thermal_bridges:tbcalculation:ground_contact
- ====== Special features and characteristics of components in contact with the ground ====== Basically the procedure for calculating thermal bridges in the case of components with ground contact does not differ from that for other thermal bridges. However, it is helpful... ce for the energy balance in the [[planning:calculating_energy_efficiency:phpp_-_the_passive_house_pla
- Definition and effects of thermal bridges @basics:building_physics_-_basics:thermal_bridges
- === ===== Thermal bridges - Introduction ===== Heat makes its way from the heated space towards the outside. In doing so, it follows the path of least resistance. \\ A **thermal bridge** is ... calised area of the building envelope where the heat flow is different (usually increased) in comparis
- Unheated basement @basics:building_physics_-_basics:thermal_bridges:tbcalculation:examples
- ====== Unheated basement ====== ===== Basic principles ===== Active temperature control does not take place in unheated basements. As a rule, lower temperatures prevail in these, therefore thermal separation of the base
- Basic principle for calculating thermal bridges @basics:building_physics_-_basics:thermal_bridges:tbcalculation
- ======Basic principle for calculating thermal bridges====== For calculating thermal bridges, it is first necessary to model the corresponding building component connections for a heat flow program. The individual thermal conductivities of the materials must also be given besides the geometry. Fu
- Local thermal comfort @basics:building_physics_-_basics:thermal_comfort
- Local thermal comfort ====== It is interesting that all comfort criteria are automatically fulfilled in an optimum way with the requirements of the Passive House Standard - Improved thermal insulation simultaneously improves thermal comfort. This ... lained as follows: * By improving thermal insulation (regardless of the external building component
- Exterior wall on floor slab @basics:building_physics_-_basics:thermal_bridges:tbcalculation:examples
- shown below: {{ :picopen:aussenwand_auf_bodenplatte_abb_4.png? |}} {{ :picopen:aussenwand_auf_bodenplatte_abb_5.png?800 |}} **Note!** //Before preparing the calculation model, it should be checked which building component layers are relevant for the calculations and which can be disregarded. Thus for exampl
- What defines thermal bridge free design?
- ====== What defines thermal bridge free design? ====== A building envelope is considered to be free o... bridges if the transmission losses under consideration of all [[basics:building_physics_-_basics:the... al_bridge_definition|thermal bridges]] are not greater than the result calculated using the external surfaces and regular U-values of the standard buildin
- Recommended procedure for calculating thermal bridges of components in contact with the ground @basics:building_physics_-_basics:thermal_bridges:tbcalculation:ground_contact
- ====== Recommended procedure for calculating thermal bridges of components in contact with the ground ... , very different methods are often used for calculating thermal bridges of components in contact with ... und especially is taken into account in the calculation in different ways: * taking into account the ground as a material * partial taking into account the ground
- Heat transfer
- ====== Heat transfer ====== Heat transfer is the transfer of thermal energy across a thermodynamic system bounda... a Passive House building) as a result of a temperature difference. The energy transferred in this way is referred to as "heat". The direction of heat transfer is always from a
- 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 determined for a heated basement. This includes the upper connection of... . In the Ground worksheet of the [[planning:calculating_energy_efficiency:phpp_-_the_passive_house_pla... _{total}$ (as a perimeter thermal bridge). Alternatively, both connections ($\Psi_{upper}$ und $\Psi_
- Software for calculating thermal bridges @basics:building_physics_-_basics:thermal_bridges:tbcalculation
- ======Software for calculating thermal bridges ====== Thermal conduction through a three-dimensional b... partial t}}\\\\ With\qquad&\\ T\qquad&\text{temperature}\\ \lambda\qquad&\text{thermal conductivity of the materials}\\ c\qquad&\text{thermal capacity of the materials}\\ \rho\qquad&\text{thickness of the materia
- Thermal bridge calculation @basics:building_physics_-_basics:thermal_bridges
- ====== Thermal bridge calculation ====== [[basics:building_physics_-_basics:thermal_bridges:thermal_br... t instrument for identifying in more detail the heat losses from the building envelope. In highly effi... ferred to as [[basics:building_physics_-_basics:what_defines_thermal_bridge_free_design|thermal bridge... ns or thermal bridge free design]]. Besides the heat losses, surface temperatures can also be determin
- Interior walls on floor slabs @basics:building_physics_-_basics:thermal_bridges:tbcalculation:examples