Reflective insulations
Thermal insulation at room temperature. Applications
Article REF: BE9861 V2
Reflective insulations
Thermal insulation at room temperature. Applications

Authors : Catherine LANGLAIS, Sorïn KLARSFELD

Publication date: April 10, 2004 | Lire en français

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4. Reflective insulations

4.1 Reflective films

To increase the efficiency of insulation systems, low-emissivity (ε " 0.1) reflective films are sometimes used as surface coatings for walls or insulation.

At the wall-air interface, heat transfer by natural convection and radiation is expressed by the relationship : |q|=|qcv|+|qr|=(hcv+hr)S(T1TA)

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