Fulltext results:
- Thermal comfort parameters @basics:building_physics_-_basics:thermal_comfort
- ientific background [5],[6]. [{{: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 t... rature difference between window surface and room air, the speed of air sinking at the window is small. At the floor, approximately 10 cm horizontally from
- Local thermal comfort @basics:building_physics_-_basics:thermal_comfort
- e inside (the surfaces in the room and the indoor air) and the interior surface of the component with i... s, roofs etc. not more than 1 °C below the indoor air temperature, window surfaces a maximum of 3 to 3.... e following effects on all comfort criteria: * Air speeds in the room (apart from leaks – which do n... e **lifting forces are very small**. As a result, air speeds also remain very small. __**Fig.1**__ show
- Adaptive versus Heat Balance Comfort Models @basics:building_physics_-_basics:thermal_comfort
- al parameters which determine thermal comfort are air temperature, radiative temperature, humidity and air velocity. The right combination of these paramete... o been confirmed by many field studies, mostly in air-conditioned office buildings in which the predict... turn depend on the exterior temperatures for non-air-conditioned buildings), a fact that is already ac
- Heating load in Passive Houses
- istributed with very little effort via the supply air coming from a Passive House building’s ventilatio... ilation system thus serves a dual function (fresh air and heating) and reduces the investment required ... unt of heat that can be distributed via the fresh air system without any additional costs is limited. F... Passive House requirement** \\ The minimum fresh air flow rate for one person is 30 m<sup>3</sup>/h (a
- Basic principle for calculating thermal bridges @basics:building_physics_-_basics:thermal_bridges:tbcalculation
- etween the building component and the surrounding air. The influence of radiation exchange, thermal con... ure are given: * $\theta_i$ = 20 °C for indoor air temperature * $\theta_e$ = −5 °C for outdoor air temperature The Passive House Institute uses the f... ification]]**: * $\theta_i$ = 20 °C for indoor air temperature * $\theta_e$ = −10 °C for outdoor a
- Heat transfer
- y heat radiation and 3) by convection ((e.g. warm air moving)). Often people are surprised to hear that air movement isn't the most important transfer mechan... heat are quite high between different materials. Air, as long as it is not moving, has a very low ther... e of 230 W/(mK) - almost 10 000 times that of the air. Insulation materials are nothing more than very
- Special features and characteristics of components in contact with the ground @basics:building_physics_-_basics:thermal_bridges:tbcalculation:ground_contact
- epends directly on the temperature of the outdoor air, it is also influenced by radiation exchange of t... temperature is about 1 K higher than the outdoor air temperature. Thus for example, snow that falls du... rface temperature can be equated with the outdoor air temperature in practice. The heat transfer resistance between the ground surface and the outdoor air is disregarded in the process ($R_{se}$ = 0). Hea
- Definition and effects of thermal bridges @basics:building_physics_-_basics:thermal_bridges
- that area. This effect is more pronounced because air circulation in corners and edges is restricted. C... oundings. Because the water vapour content of the air depends on its temperature, condensation may form
- Thermal comfort
- hout the help of either a conventional heating or air conditioning system. An extremely well insulated
- Unheated basement @basics:building_physics_-_basics:thermal_bridges:tbcalculation:examples
- between the heated interior space and the outdoor air which has to be taken into account. {{ :picopen:
- Recommended procedure for calculating thermal bridges of components in contact with the ground @basics:building_physics_-_basics:thermal_bridges:tbcalculation:ground_contact
- lculations of regular thermal bridges towards the air * or the ground is depicted as an additional