planning:calculating_energy_efficiency
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| Both sides previous revisionPrevious revision | Next revisionBoth sides next revision | ||
| planning:calculating_energy_efficiency [2018/12/03 10:40] – cblagojevic | planning:calculating_energy_efficiency [2019/02/21 10:07] – cblagojevic | ||
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| Through comparison of different simulation models the Passive House Institute was able to pinpoint the key data which was necessary for preparing accurate balances, even with simplified models and justifiable effort for data acquisition [Feist 1994]. The method for admissible simplifications is described in the publication [AkkP 13]. It is surprising that even with a simple model, i.e. \\ | Through comparison of different simulation models the Passive House Institute was able to pinpoint the key data which was necessary for preparing accurate balances, even with simplified models and justifiable effort for data acquisition [Feist 1994]. The method for admissible simplifications is described in the publication [AkkP 13]. It is surprising that even with a simple model, i.e. \\ | ||
| - | * treating the whole house as one zone \\ | + | * treating the whole house as one zone |
| * calculating monthly energy balances instead of using time-resolved dynamic simulation, \\ | * calculating monthly energy balances instead of using time-resolved dynamic simulation, \\ | ||
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| A more comprehensible calculation process is not the only advantage of further simplification: | A more comprehensible calculation process is not the only advantage of further simplification: | ||
| - | * less effort is required for data acquisition (since only the building envelope and ventilation data need to be ascertained), | + | * less effort is required for data acquisition (since only the building envelope and ventilation data need to be ascertained), |
| - | * sources of error are minimised and the calculation process can be verified more easily. (test engineers dread having to check the accuracy of a set of data input for a numerical simulation in the course of quality assurance for a building) | + | |
| - | * the focus is on the really important influencing factors | + | * sources of error are minimised and the calculation process can be verified more easily. (test engineers dread having to check the accuracy of a set of data input for a numerical simulation in the course of quality assurance for a building) |
| + | |||
| + | * the focus is on the really important influencing factors | ||
| * all these important influencing factors are actually taken into account \\ | * all these important influencing factors are actually taken into account \\ | ||
planning/calculating_energy_efficiency.txt · Last modified: 2020/08/05 12:48 by wfeist