Fulltext results:
- The Passive House in summer
- ound temperature 1m below floor slab\\ \\ outdoor air temperature\\ \\ basement\\ \\ ground floor (fron... * for the assessment of summer comfort; moreover, air humidity (sultriness limit!) and air speeds play an important role. As first and foremost the Central... system is operated only as an exhaust system with air changes of 0.475 h<sup>-1</sup> . From around 1
- 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
- What is a Passive House?
- A ventilation system consistently supplies fresh air making for superior air quality without causing any unpleasant draughts. This is e.g. a guarantee for ... unit allows for the heat contained in the exhaust air to be re-used.\\ \\ The vast energy savings in Pa... houses. * Passive Houses must be airtight with air change rates being limited to n<sub>50</sub> = 0.
- 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
- The Passive House - definition
- lely by post-heating or post-cooling of the fresh air mass, which is required to achieve sufficient indoor air quality conditions – without the need for additional recirculation of air."//**\\ \\ This is a purely functional definition... umption. After all, **using the fresh ventilation air for heating without an additional heating system
- Planning criteria for Passive Houses in New Zealand @basics:passive_houses_in_different_climates
- ry. A high level of thermal comfort and excellent air quality can thus be guaranteed. As a direct cons... use can be kept warm solely by heating the supply air needed to cover the fresh air demand; complex and expensive heating systems therefore become dispensab... focus lies on keeping the indoor temperatures and air humidity in a high comfort range during summer. T
- The Passive House – historical review
- deal panelling, then a thick layer of felt, next air-tight linoleum, and last of all an inner panellin... n is excellent, especially since we rigged up the air sail, which sends a whole winter‘s cold in throug... ventilation heat recovery, user behaviour, indoor air quality, amount of internal heat sources and much... l buildings are higher than 90%. Very good indoor air quality has always been monitored, and the high l
- Introduction - Passive House buildings in different climates @basics:passive_houses_in_different_climates
- . No other heat distribution system than just the air supplied for excellent indoor air quality is required any more. Thus, the [[[[basics:the_passive_hou... e needed can be delivered by cooling of the fresh air supply required for good indoor air quality anyhow (see [[basics:passive_houses_in_different_climates:
- Heating load in Passive Houses @basics:building_physics_-_basics
- 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
- Economic feasibility of Passive House design @basics:affordability
- heat recovery. To compare cost of LEB an exhaust air ventilation system with one fan, silencers and outside air inlets in walls was accounted for, as this is req... 2009 to provide sufficient (hygienic) continuous air change. For all other configuration features see ... nergy saving actions, see figure 3, such as: * air tightness * thermal insulation of cellar, bott
- 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
- Passive House and the Sustainable Development Goals (SDGs): Connecting an international building standard with global aims
- users benefit from high thermal comfort and high air quality. The uninterrupted thermal envelope and... ith mechanical ventilation for a consistent fresh air supply, Passive House buildings aid in maintainin... 016]. The mechanical ventilation filters incoming air to ensure external pollutants do not affect the fresh, internal air supply, thus reducing the rate of respiratory iss
- Heat transfer @basics:building_physics_-_basics
- 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
- Passive House – the next decade | Determining application-specific PER factors @basics:passive_house_-_assuring_a_sustainable_energy_supply:passive_house_the_next_decade
- Passive House – the next decade | Methodology @basics:passive_house_-_assuring_a_sustainable_energy_supply:passive_house_the_next_decade
- Renewable primary energy demand in residential buildings with high energy intensity @basics:passive_house_-_assuring_a_sustainable_energy_supply
- Philips Experimental House Research 1974ff: Passive versus Active Measures in Europe & America @basics:the_passive_house_-_historical_review