Saint Gobain Isover

Johann Meulemans

Guillaume Pandraud

Florent Alzetto

A method for determining a quantity representative of the thermal resistance of a dividing wall between a first environment and a second environment, including, over at least two successive time periods Dcorresponding to distinct heating powers Pof the first environment, measuring the heat flow rate through the wall qand the temperature in the first environment Tand determining the temperature in the second environment T, at closely spaced time intervals; the quantity representative of the thermal resistance of the wall being determined by bringing into convergence: a thermal model expressing the temporal variation of a temperature in one environment divided off from another environment by a wall, as a function of the heat flow rats: through the wall, the temperature in the other environment, and physical parameters of the wall; and the measured evolution T(t) of the temperature in the first environment over time.

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Paris, France

Johann Meulemans