Experimental comparison between 3 different traditional wall constructions and dynamic simulations to identify optimal thermal insulation strategies

作者: Francesca Stazi , Ambra Vegliò , Costanzo Di Perna , Placido Munafò

DOI: 10.1016/J.ENBUILD.2013.01.032

关键词:

摘要: Abstract The aim of this research is to verify the dynamic performance 3 envelopes characterised by different traditional wall constructions adopted in temperate climates. In each case optimal retrofit solution from point view comfort and energy savings identified. To that end contemporary experimental comparisons were made between buildings which are characteristic existing building heritage. They all constructed 1940s 1980s adopting use deal with outdoor climate conditions: capacity (high thermal mass), stratification (different layers a cavity), resistance (the an insulation layer). Dynamic parametric analyses (EnergyPlus, CFD Fluent) carried out order impact solutions on studied. results show behaviour differs greatly because they interact ways according changes. considerable thicknesses causes problems overheating when coupled high mass, while it improvement stratified envelopes. problem summer discomfort can be resolved mixed strategies such as ventilated external layer, allows maintain their behaviour.

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