Fulltext results:
- What defines thermal bridge free design?
- significant, they will not be discussed in detail here. ($\varPsi$ **is the linear,** $\chi $ **the punc... quates to the statement $ \Delta U_{WB} \leq 0$, where $\Delta U_{WB}$ is the thermal bridge correction ... ensated to a certain extent by other connections where there are negative linear thermal transmittances. The //**[TbCrit]**// criterion is adequate for all st
- Thermal comfort parameters @basics:building_physics_-_basics:thermal_comfort
- air speed and turbulence * air humidity.\\ There is a complete range of combinations of these four comfort factors where the level of comfort is very good, this is known ... 510 |**Fig. 4** Typical Practice: For comparison, here is a typical old building's window. The center of... temperature is already below 14 °C. In addition, there are large installation thermal bridges, particula
- Definition and effects of thermal bridges @basics:building_physics_-_basics:thermal_bridges
- e** is a localised area of the building envelope where the heat flow is different (usually increased) in comparison with adjacent areas (if there is a difference in temperature between the inside... erior surface temperatures are then so high everywhere that critical levels of moisture cannot occur any... hermal bridge free design ]] are adhered to everywhere, the planners and construction manager don't have
- Local thermal comfort @basics:building_physics_-_basics:thermal_comfort
- utational Fluid Dynamic) simulation: even though there is a heater under the window, no draughts occur i... ble-glazed window of an old buil-\\ ding is shown here.The average surface tempera-\\ tures are already below 14 °C. But there are also\\ noticeable thermal bridges due to installation,\\ particularly where the window meets the con-\\ crete wall. The resul
- Heated basement @basics:building_physics_-_basics:thermal_bridges:tbcalculation:examples
- oned linear thermal transmittance is given below. Here it should be mentioned that in the Ground workshe... n system however, Option B should also be applied here for determining the Ψ-values. {{ :picopen:beheiz... f the exterior wall can also be calculated easily here from the U-value and the adopted length. The cond... n practice, pre-prepared Excel templates are used here also for determining the Ψ-values. The heat flows
- Exterior wall on floor slab @basics:building_physics_-_basics:thermal_bridges:tbcalculation:examples
- rier or sealing layers.// For the example given here, the bottom concrete layer (layer number 19) is d... ext{m}$). $B' = 7{,}992 \, \text{m}$ was selected here (including the exterior wall) //[Note: With some ... package |PHPP]] calculation. In the example shown here, the length of the exterior wall is 2.03 m. The b... an enter the heat flows and the necessary lengths here and the desired Ψ-value is received as the result
- Heating load in Passive Houses
- eating load. "No internal loads" only applies if there are no occupants present, which in turn leads to ... ng loads often have very high time constants (anywhere from 5 to 30 days or more). Due to this, brief pe... tadt-Kranichstein]]. According to these results, there is a kink in the horizontal curve for the measure... t temperatures. These investigations showed that there was a very good correlation between the measured
- Thermal Bridges Catalogue @basics:building_physics_-_basics:thermal_bridges
- arising from the use of the information presented here is therefore excluded. |[[https://database.passi... rmal Bridges Tool [[:planning:thermal_bridge_tool|here]]. {{:picopen:sinfonia_eu_phi.png?nolink&300}} ... See also ===== Click [[:planning:guides_and_aids|here]] to go back to the Guides and Aids click [[planning:tools|here]] to go to the "Tool" Further articles about [[
- Adaptive versus Heat Balance Comfort Models @basics:building_physics_-_basics:thermal_comfort
- sses satisfaction with the thermal environment“. There is general agreement that the main external physi... s mainly on a subject’s activity and clothing. There are currently two fundamentally different approac... y. In the view of the Passive House Institute, there is a number of strong arguments against the appli... ho rarely experiences such temperatures. Then, there are some inconsistencies in the proposed use of a
- Heat transfer
- for an energy balance across system boundaries. There are three mechanism of heat transfer: 1) by heat ... eighboring molecule vibrate less (are "cooler"), there is a tendency to transfer a part of the vibration... which have to transfer heat to their neighbors) there is beetween the hot and the cold side. Thus the U
- Unheated basement @basics:building_physics_-_basics:thermal_bridges:tbcalculation:examples
- $L_{iu}$ were calculated with only 2 simulations here. In this case the desired heat flows must be dete... ext{m}^2\cdot \text{K}}{\text{W}}$ should be used here as well. <WRAP centeralign> **Determining the mi... circ C$, so a $f_{Rsi}$* factor can also be given here. ===== See also ===== * [[basics:building_phy
- Basic principle for calculating thermal bridges @basics:building_physics_-_basics:thermal_bridges:tbcalculation
- es are set for the inside and outside as long as there is a temperature decline due to the building comp... The minimum surface temperature can then be read here; however this only refers to the respective tempe
- Special features and characteristics of components in contact with the ground @basics:building_physics_-_basics:thermal_bridges:tbcalculation:ground_contact
- 5 °C (on 21.07) in the test reference years shown here only has an impact 91 days later at a depth of 5 m. Here the peak temperature was still 13.1 °C on 20.10.
- Recommended procedure for calculating thermal bridges of components in contact with the ground @basics:building_physics_-_basics:thermal_bridges:tbcalculation:ground_contact
- HPP uses the external dimensional reference everywhere for calculations the length of the floor slab sho