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. 2022 Oct 17;15(20):7224. doi: 10.3390/ma15207224
CW01 Concrete control sample
CW02 Concrete with fly ash and chopped PET
CW03 Concrete with fly ash and sawdust
CW04 Concrete with fly ash and granular polystyrene
φ Heat flux [W/m2]
Tx Thermocouple sensors
Q Heat gain of the wall [W]
k Thermal conductivity [W/mK]
A Area [m2]
T Temperature difference [°C]
d Width [m]