Optimal design of geothermal rain water tank for passive cooling buildings

On site water management is developing more and more, with increasingly stringent regulatory constraints. At the same time, climate change and the effects of urban heat islands are generating ever-greater cooling needs. So it makes sense to hybridise a system that both manages water on site and produces geothermal energy. The aim of this work is to set out the optimum dimensioning rules for this type of system (tank volume, minimum water level, burial depth, shape of tank, climate) and to check its performance in future climates. These rules will be established using a numerical model developed in Python and validated by in situ experimental measurements.

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