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        Reducing simulation performance gap in hemp-lime buildings using fourier filtering

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        Author
        Jankovic, L.
        Attention
        2299/19890
        Abstract
        Abstract: Mainstream dynamic simulation tools used by designers do not have a built-in capability to accurately simulate the effect of hemp-lime on building temperature and relative humidity. Due to the specific structure of hemp-lime, heat travels via a maze of solid branches whilst the capillary tubes absorb and release moisture. The resultant heat and moisture transfer cannot be fully represented in mainstream simulation tools, causing a significant performance gap between the simulation and the actual performance. The author has developed an analysis method, based on a numerical procedure for digital signal filtering using Fourier series. The paper develops and experimentally validates transfer functions that enhance simulation results and enable accurate representation of behaviour of buildings built from hemp-lime material using the results of a post-occupancy research project. As a performance gap between design simulation and actual buildings occurs in relation to all buildings, this method has a wider scope of application in reducing the performance gap.
        Publication date
        2016-08-29
        Published in
        Sustainability (Switzerland)
        Published version
        https://doi.org/10.3390/su8090864
        Other links
        http://hdl.handle.net/2299/19890
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