Thermal Performance Test of a Phase-Change-Material Cool Roof System by a Scaled Model

Table 1

WPC thermal conductivity measurement results including the hollow layer.

Measurement interval	Effusivity (Ws^1/2/m·K)	Thermal conductance (W/m·K)
1	887.9944	0.529941
2	888.5313	0.530477
3	889.8055	0.53175
4	894.8415	0.536787
5	890.3037	0.532248
6	889.1223	0.531067
7	893.0003	0.534945
8	891.1271	0.533071
9	894.2066	0.536152
10	888.4203	0.530366
	Average	0.53268