RENAISSANCE LYON FRANCE RENAISSANCE LYON Working Group 3

RENAISSANCE - LYON FRANCE RENAISSANCE LYON Working Group 3 Num/exp. Christophe Ménézo A/Prof & INSA Lyon-CETHIL (Thermal Science Centre of Lyon) Christophe. menezo@insa-lyon. fr RENAISSANCE : a CONCERTO project financed by the European Commission on the six framework program 1

Num/exp. comparison RENAISSANCE - LYON FRANCE Key points -Envelop Air tightness -Thermal bridges Huge impact on both -Natural Ventilation rate -Inertia Might induce huge discrepancies RENAISSANCE : a CONCERTO project financed by the European Commission on the six framework program 2

Envelop air tightness RENAISSANCE - LYON FRANCE Impact on heating needs RENAISSANCE : a CONCERTO project financed by the European Commission on the six framework program 3

Envelop air & thermal leak RENAISSANCE : a CONCERTO project financed by the European Commission on the six framework program RENAISSANCE - LYON FRANCE 4

Measurement of air leakage traditional method RENAISSANCE - LYON FRANCE Static method: ΔP(10 – 55) ΔP (Pa) measured Q (m 3/h) measured 10 230 20 370 30 490 40 590 50 690 55 730 RENAISSANCE : a CONCERTO project financed by the European Commission on the six framework program 5

Natural ventilation RENAISSANCE - LYON FRANCE Ventilation rate influence RENAISSANCE : a CONCERTO project financed by the European Commission on the six framework program 6

Natural ventilation RENAISSANCE - LYON FRANCE Temp. °C Hours Day/night ventilation strategy (with inertia) RENAISSANCE : a CONCERTO project financed by the European Commission on the six framework program 7

RENAISSANCE - LYON FRANCE ENERTECH RENAISSANCE : a CONCERTO project financed by the European Commission on the six framework program 8