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- Dynamic simulation of a building's thermal performance
- heat conduction in solids and non-flowing fluids can be described by Fourier's dynamic heat conduction... the flow problem for a room in a stationary case can be tackled numerically with some effort today usi... l (e.g. Fourier problem with boundary conditions) can no longer be solved analytically. Already here yo... xpediently used today. Such a computer algorithm can also be understood as a (program-based) model of
- Energy balances - Background
- s conserved** - it is never lost. However, energy can leave a certain area, resulting in **"energy loss... his specific area. Consequently, energy balances can only be prepared for restricted spatial areas wit... e, is only a replacement of this heat loss \\ and can therefore be reduced as required by more effectiv... of the heat gains.** |\\ \\ As the heat losses can be easily and relatively acurately calculated (th
- “designPH” plugin for Trimble Sketchup @planning:calculating_energy_efficiency:phpp_-_the_passive_house_planning_package
- ea groups, in order to save input time, but these can be overwritten by the user if required. The exter... e, the interchange format developed by PHI, which can then be imported into a PHPP model. Through this process, a 3D digital model can easily be converted to a PHPP workbook. After imp... he model geometry and energy balance calculations can be interrogated using the web-dialog windows prov
- Internal heat gains in relation to living area @planning:calculating_energy_efficiency:phpp_-_the_passive_house_planning_package
- rary absence will be taken into account later on) can be calculated as a function of the dwelling size.... and without hot water generation. A straight line can be fitted to the data in order to obtain the shar... ession in the morning and in the evening, then it can be conservatively concluded from Figure 5 that th... near heat loss coefficient Ψ is 0.14 W/(mK), this can be easily achieved if executed well (insulation 2
- PHPP – Passive House Planning Package
- tantaneous, i.e. after changing an entry the user can immediately see the effect on the energy balance ... cooling demand for the entered building. The PHPP can thus be used for different climatic regions aroun... th which the efficiency of a construction project can be evaluated more accurately than with convention... 0}}| |//**On this clearly arranged flow chart you can see how the PHPP works** \\ \\ Illustration: Sar
- PHPP - validated and proven in practice @planning:calculating_energy_efficiency:phpp_-_the_passive_house_planning_package
- cient, well-insulated buildings in mind, the PHPP can be used also for buildings with high energy deman... P for old buildings with high energy consumption" can be downloaded from the EuroPHit website [[https:/... cient, well-insulated buildings in mind, the PHPP can be used also for buildings with high energy deman... P for old buildings with high energy consumption” can be downloaded from the EuroPHit website [[https:/
- Calculation guide for temperature reduction factors to temperature zone "X" in the PHPP "Areas" worksheet @planning:calculating_energy_efficiency:phpp_-_the_passive_house_planning_package
- ooms are only kept frost-free, a reduction factor can be calculated using the MS Excel tool provided by... rate calculation is desired, the reduction factor can be calculated from the relation of the conductanc... envelope. If not, a reduction factor of e.g. 6/7 can be used (for 1 day per week). This would be conse
- PHPP calculations in hot and humid climates @planning:calculating_energy_efficiency:phpp_-_the_passive_house_planning_package
- \ In climates in which the Passive House concept can be reached without the need for active cooling th... in this report clearly demonstrate that the PHPP can be used as a reliable planning tool also in hot a
- The overall heat transfer coefficient or U-value @planning:calculating_energy_efficiency:phpp_-_the_passive_house_planning_package
- ecked and confirmed by an independent third party can be applied. As such, the lambda value stated on t