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- Dynamic simulation of a building's thermal performance
- measured in detail. A single room ("zone") will be modelled by DYNBIL as shown in fig. 1. In the meantime, additional features have been added such as simulations of moisture transport... heat gains. General assumptions on heat gains may be tolerable for energy inefficient buildings, but l... bil_multizonal.png|}}| |Fig. 2 Several zones will be connected to a building model with air flows betw
- Energy balances - Background
- fic area. Consequently, energy balances can only be prepared for restricted spatial areas with clearl... e comfortable, i.e. constant, inside the building being considered (see [[Planning:calculating energy ... is sinking. However, this is exactly what should be prevented in order to maintain living comfort. Therefore, the energy flowing out has to be replaced: another heat flow must travel from the
- Internal heat gains in relation to living area @planning:calculating_energy_efficiency:phpp_-_the_passive_house_planning_package
- cupancy rates and internal heat gains was devised below which will be used as a standard value for residential buildings in the PHPP 9 (2015). The calcula... ed using the PHPP 8; however, some additions have been made, e.g. taking into account of cold and hot ... arately. Utilisation factors and frequencies have been taken from the PHPP worksheet IHG. First it m
- PHPP - validated and proven in practice @planning:calculating_energy_efficiency:phpp_-_the_passive_house_planning_package
- ings - even in the case of Passive Houses - could be reproduced with a high degree of accuracy using t... sults from sufficiently large statistical samples because individual consumption values fluctuate too much on account of the different user behaviours. The average values match the PHPP result... PHPP calculation. This is probably coincidental, because neither the accuracy of the measurement nor
- “designPH” plugin for Trimble Sketchup @planning:calculating_energy_efficiency:phpp_-_the_passive_house_planning_package
- ignPH_logo.png}} ---- The “designPH” plugin has been developed by PHI to provide a 3D model interface for entering building geometry into PHPP. The benefits of the tool are two-fold; firstly it will s... roups, in order to save input time, but these can be overwritten by the user if required. The external... terchange format developed by PHI, which can then be imported into a PHPP model. Through this process,
- PHPP – Passive House Planning Package
- emand for the entered building. The PHPP can thus be used for different climatic regions around the wo... s for shading), and sometimes deviations may also be necessary (due to the extremely low energy demand... hich the efficiency of a construction project can be evaluated more accurately than with conventional ... ady mentioned, various useful additions have also been made for the user's benefit. For example, the s
- 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
- For temperatures above 10 °C these spaces should be included in the energy balance. Please consult yo... are only kept frost-free, a reduction factor can be calculated using the MS Excel tool provided by PH... es:** * In most cases the reduction factor will be close to 1. Thus we recommend ignoring the buffer... calculation is desired, the reduction factor can be calculated from the relation of the conductance o
- PHPP calculations in hot and humid climates @planning:calculating_energy_efficiency:phpp_-_the_passive_house_planning_package
- ce its first publication in 1998 the software has been developed continuously in order to fulfil the i... cts. Meanwhile, the Passive House concept is also being applied in hotter and more humid climates, where the energy demand for cooling becomes more important than space heating. Though th... PP for active cooling dominated situations was to be investigated and, where necessary, improved. The
- Variant calculations and economic assessment with PHPP 9 @planning:calculating_energy_efficiency:phpp_-_the_passive_house_planning_package
- gy balance for them. But a frequent PHPP user may be asked repeatedly to calculate various design opti... ible by copying the PHPP project file once it had been filled out, unless users had advanced Excel programming skills. This process quickly became impractical, confusing, and prone to errors w... The Compare sheet allows two of these variants to be selected to compare their energy demand and affor
- The overall heat transfer coefficient or U-value @planning:calculating_energy_efficiency:phpp_-_the_passive_house_planning_package
- h insulation material and building component must be submitted. For Passive Houses in Germany, the German 'Bemessungswert' is to be used in accordance with DIN V 4108-4. For the certification of Passive Houses i... e calculation of a building’s energy balance must be used. In the absence of a national norm, a therma