reminder on the u-value calculation: based on the conductivity of … · 2020. 2. 26. · reminder...
TRANSCRIPT
Reminder on the u-value calculation:
Based on the conductivity of the elements; that is the rate at which that element resists the transfer of heat for it’s thickness
U-value = 1
Rsi+d1/λ+d2/λ…+Rse
Rsi & Rse=Thermal resistance at interior & exterior surfaces D = thickness (in metres) λ = thermal conductivity of the material (w/mK). Reinforced concrete approx 2.1W/mK – EPS 0.035 W/mK
U-Value Calculation – by hand!
U-value = 1
Rsi+d1/λ+d2/λ…+Rse
Rsi & Rse=Thermal resistance at interior & exterior surfaces D = thickness (in metres) λ = thermal conductivity of the material (w/mK). Reinforced concrete approx 2.1W/mK – EPS 0.035 W/mK
h-ps://www.ecologicalbuildingsystems.com/Ireland/Products/Product-Detail/Calstherm-Board
h-ps://www.isover.ie/soluEons/opEma-dry-lining-system
h-ps://www.isover.ie/soluEons/opEma-dry-lining-system
Thicknesses:50mm100mmor160mm