Fulltext results:
- Thermal comfort parameters @basics:building_physics_-_basics:thermal_comfort
- ow surface and room air, the speed of air sinking at the window is small. At the floor, approximately 10 cm horizontally from the passive house window (U=... ratures in the room change by no more than 0.8 °C at different locations. Regarding the last point, P... Therefore the heating element can be placed also at an inner wall while still reaching optimal comfor
- Local thermal comfort @basics:building_physics_-_basics:thermal_comfort
- r heat flow results in a smaller temperature loss at this surface, in other words: //the temperature d... airtight Passive House anyway) are due to uplift at surfaces which have differing temperatures. Becau... surface and room air, the speed of air\\ descent at the window is very low. At the floor level, the air is diverted: the\\ maximum air speed is still 0.1
- Definition and effects of thermal bridges @basics:building_physics_-_basics:thermal_bridges
- bridge losses are smaller than a limit value (set at 0.01 W/(mK)), the detail meets the criteria for “... re are two effects of thermal bridges which occur at each connection point between building components or at places where the composition of the building stru... dard building components. They occur particularly at the component joints, edges, transitions and pene
- Basic principle for calculating thermal bridges @basics:building_physics_-_basics:thermal_bridges:tbcalculation
- the like reduce convection and radiation exchange at corners, edges and walls, which ultimately leads ... onditions for the temperature are rough estimates at best and cannot really depict realistic temperatu... mulations are dispensed with, then this issue can at least be circumvented with the aid of the dimensi... uad&\\ f_{Rsi}\qquad&\text{the temperature factor at the location $(x,y,z)$ or $(x,y)$}\\\\ \theta_{mi
- Heating load in Passive Houses
- h (according to the DIN 1946 – health criterion). At 21°C and standard pressure, air has a heat capaci... self, such as U-values that always have to be set at a minimum of 0.3 W/(m²K)) are as follows: * In... in accordance with the [DIN 4701] standard, even at extremely low outdoor temperatures. This was firs... proven essential that dimensioning be based on **at least two different climate data sets**, namely a
- Adaptive versus Heat Balance Comfort Models @basics:building_physics_-_basics:thermal_comfort
- tegory B for 20 °C and category C for 19 °C, each at a relative humidity of 40%. Accordingly, during s... tegory B for 26 °C and category C for 27 °C, each at a relative humidity of 60%. The heat balance mo... : the preferred temperature (i.e. the temperature at which the same fraction of subjects preferred a w
- Heat transfer
- per square metre). As a rule the heat flow rate (at least with small temperature differences) is prop... .032–0.045 |\\ |straw bale| 0.038–0.067 |\\ |air (at rest) | 0.026 |\\ |argon | 0.018 |\\ |krypton|0.0
- Thermal comfort
- means that the floor and all interior walls stay at the same pleasant temperature - year round.\\ \\ ... . The temperature doesn't fall\\ below 15 °C even at the glass edge.**| \\ **This page contains inform
- Special features and characteristics of components in contact with the ground @basics:building_physics_-_basics:thermal_bridges:tbcalculation:ground_contact
- years shown here only has an impact 91 days later at a depth of 5 m. Here the peak temperature was sti... increasing depth, an almost constant temperature at the level of the mean annual temperature is reach
- Recommended procedure for calculating thermal bridges of components in contact with the ground @basics:building_physics_-_basics:thermal_bridges:tbcalculation:ground_contact
- and y directions in both calculation models with at least five or six times the floor slab length (se... earth must exhibit adiabatic boundary conditions at the interfaces. ==== Choosing the length and pos
- What defines thermal bridge free design?
- titute in Detmold and Head of the Working\\ Group at the Passive House Conference on a regular basis).
- Exterior wall on floor slab @basics:building_physics_-_basics:thermal_bridges:tbcalculation:examples
- block of earth should be modelled with a size of at least $2{,}5 \cdot B'$. In the following illustr
- Interior walls on floor slabs @basics:building_physics_-_basics:thermal_bridges:tbcalculation:examples
- uctance with the interior wall taken into account at the corresponding point. However, this requires a