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RENAISSANCE LYON Working Group 3 Num/exp.

RENAISSANCE LYON Working Group 3 Num/exp. Christophe Ménézo A/Prof & INSA Lyon-CETHIL (Thermal Science Centre of Lyon) Christophe.menezo@insa-lyon.fr. Num/exp. comparison. Key points. Envelop Air tightness Thermal bridges Natural Ventilation rate Inertia. Huge impact on both.

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RENAISSANCE LYON Working Group 3 Num/exp.

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  1. RENAISSANCE LYON Working Group 3 Num/exp. Christophe Ménézo A/Prof & INSA Lyon-CETHIL (Thermal Science Centre of Lyon) Christophe.menezo@insa-lyon.fr

  2. Num/exp. comparison Key points • Envelop Air tightness • Thermal bridges • Natural Ventilation rate • Inertia Huge impact on both Might induce huge discrepancies

  3. Envelop air tightness Impact on heating needs

  4. Envelop air & thermal leak

  5. Measurement of air leakagetraditional method Static method: ΔP(10 – 55)

  6. Natural ventilation Ventilation rate influence

  7. Natural ventilation Temp. °C Hours Day/night ventilation strategy (with inertia)

  8. ENERTECH ENERTECH ENERTECH

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