Variance of future UK heat wave incidents with geographic implications on mitigation

Din, Asif and Brotas, Luisa (2018) Variance of future UK heat wave incidents with geographic implications on mitigation. In: 10th Windsor Conference 2018 - Rethinking Comfort., 12-15 April 2018, Cumberland Lodge, Windsor.


The effect of heat waves on human comfort is an area of research that needs to be further investigated. Many of the parameters that deal with heat wave events have similar mitigation strategies to those used for overheating. This study examines weather files from 8 UK cities to identify heat wave periods which are then used to quantify the effectiveness of shading and thermal mass in a simulated prototype. Both heat wave and cooling season results are compared to highlight the differences in their characteristics. The effect of thermal mass and fixed shading in the building, based on a previously used prototype model, is assessed with EnergyPlus software. Results show that the number of heat wave days have no correlation with the city’s population, a possible proxy for the heat island effect. A combination of thermal mass and shading can be 90% effective in reducing the impact of a heat wave event. The next best solution is thermal mass, then shading alone, which reduces heat wave impact by up to 50%. These roughly follow the results obtained for the cooling season but the proportion of overheating criterion given in TM52 for the cooling season and heat wave events show little relationship and require further investigation.

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