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- Heating load in Passive Houses
- rimarily to longer periods of time. This fact was also known to the originators of the older standards (... ethodically sound. Not only the heating loads but also the annual demands can be reliably calculated in ... lations of buildings. Of course, the results must also be checked experimentally, especially if they dif... exity of the models on which they are based. This also results in a comparatively high error rate, apart
- Thermal comfort parameters @basics:building_physics_-_basics:thermal_comfort
- . Fanger (Wikipedia Seite)]].\\ In Passipedia we also have a [[phi_publications:pb_25:comfort_criteria_... temperature of the surrounding surfaces, this can also be summarised as the "radiant temperature", ... by Fanger’s equation, documented in ISO 7730 (see also [[phi_publications:pb_25:comfort_criteria_accordi... ication: The temperature stratification of air is also imperceptible with the passive house window. Ther
- Exterior wall on floor slab @basics:building_physics_-_basics:thermal_bridges:tbcalculation:examples
- ial or due to their water permeability. It should also be considered whether poorer rated values apply f... to the fact that the existing insulation skirt is also depicted in the Ψ-value. The person processing th... ic thermal bridge effect in the classic sense but also includes other effects besides the insulation skirt. Thus, in this example the Ψ-value also takes into account the fact that the floor slab i
- Heated basement @basics:building_physics_-_basics:thermal_bridges:tbcalculation:examples
- the ground. In this way, Option A or Option B can also be applied for heated basements. In the context o... or a construction system however, Option B should also be applied here for determining the Ψ-values. {{... he basement wall and the basement floor slab must also be calculated. The conductance of the exterior wall can also be calculated easily here from the U-value and th
- Special features and characteristics of components in contact with the ground @basics:building_physics_-_basics:thermal_bridges:tbcalculation:ground_contact
- ctly on the temperature of the outdoor air, it is also influenced by radiation exchange of the ground su... simulation; however, for simplification this can also be equated with the steady-state Ψ-value. === Vi... c simulations provide more accurate results, they also incur additional effort. Moreover, on account of ... ulation is not so high that this extra effort can also be justified (except in the case of large or rese
- Recommended procedure for calculating thermal bridges of components in contact with the ground @basics:building_physics_-_basics:thermal_bridges:tbcalculation:ground_contact
- procedure is that the influence of the ground is also depicted. The effect of edge insulation or skirt insulation can also be depicted directly by the $\varPsi$-values in t... e PHPP, in the additional calculation model it is also necessary that **the floor slab should be placed ... calculations the length of the floor slab should also be defined using the external dimensions!** ===
- Local thermal comfort @basics:building_physics_-_basics:thermal_comfort
- al surface of this external building component is also reduced. The heat flow overcomes the so-called th... forces are very small**. As a result, air speeds also remain very small. __**Fig.1**__ shows a CFD (Com... a-\\ tures are already below 14 °C. But there are also\\ noticeable thermal bridges due to installation,... ge temperature differences do not arise, there is also less air movement. The results presented here are
- Unheated basement @basics:building_physics_-_basics:thermal_bridges:tbcalculation:examples
- unt of the ground. Ventilation of the basement is also taken into account. In order to allow energy-rele... nheated basement, the overall value $L_{2d}$ must also be calculated as it is for the floor slab and the... of course. The difference to the reality is thus also depicted by the U-value among other things. ====... _e = -10 \, ^\circ C$, so a $f_{Rsi}$* factor can also be given here. ===== See also ===== * [[basic
- Definition and effects of thermal bridges @basics:building_physics_-_basics:thermal_bridges
- not only on the influence in terms of physics but also on how they are taken into account. Thus, in the ... d other furniture not only disrupt convection but also restrict radiant exchange with the surroundings. ... ], the request to the $ f_ {Rsi} $-factor depends also from the climate. * [[http://passivehouse.com/... Passive House Component certification]] ===== See also===== * [[basics:building_physics_-_basics:ther
- Adaptive versus Heat Balance Comfort Models @basics:building_physics_-_basics:thermal_comfort
- e humidity of 60%. The heat balance models have also been confirmed by many field studies, mostly in a... higher temperatures. Part of the explanation may also be the so-called **range effect**. [McIntyre 1980... f temperatures up to approximately 25 °C. This is also supported by [Fanger 2002], who reanalysed the da... d Science Publishers, London 1980 \\ ====== See also ====== [[planning:calculating_energy_efficiency:e
- What defines thermal bridge free design?
- mal bridge during the installation of a window is also appropriately included in the regular window U-va... cated by a horizontal blue line. However, one can also see that substantial thermal bridge losses can re... erung Tevesstraße Frankfurt am Main]] ===== See also ===== [[basics:building_physics_-_basics:heat_tra
- Thermal bridge calculation @basics:building_physics_-_basics:thermal_bridges
- Besides the heat losses, surface temperatures can also be determined with the aid of heat flow simulatio... cs:building_physics_-_basics:thermal_bridges:tbcalculation:examples:unheatedb]] ==== See Also ====
- Basic principle for calculating thermal bridges @basics:building_physics_-_basics:thermal_bridges:tbcalculation
- dual thermal conductivities of the materials must also be given besides the geometry. Furthermore, bound... n $\Psi$-values based on interior references must also be used. However, exterior dimensions are used mo
- 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 constr... the increasing distance to the edge.// ===== See also ===== * [[basics:building_physics_-_basics:ther
- Thermal Bridges Catalogue @basics:building_physics_-_basics:thermal_bridges
- sinfonia_eu_phi.png?nolink&300}} ---- ===== See also ===== Click [[:planning:guides_and_aids|here]] t