parameter

AC Sup

CTB

LS

SG

Thermal conductivity

K (J/(m・h・˚C))

4680

5616

5148

5616

Density ρ (kg/m3)

2300

2200

2100

1800

Heat capacity/C (J/(kg・˚C))

924.9

911.7

942.9

1040.0

Solar radiation absorption rate αs

0.90

Road Reflectance/ε

0.81

Absolute zero value/TZ (˚C)

−273

Stefan-Boltzmann constant

σ/J/(h・m2・K4)

2.041 × 10−4