Table 4.
Comparison of amount of heat transferred for three materials in Lightless space during 9 hours

	Concrete	Korean Paulownia	Medium Density Fiberboard
Conduction	0.011 W (1.35%)	0.149 W (0.97%)	0.005 W (1.47%)
Convection	0.273 W (34.18%)	7.310 W (47.57%)	0.095 W (30.12%)
Radiation	0.516 W (64.48%) 7.91 W	7.91 W (51.46%)	0.251 W (68.41%)
Total	0.8 W	15.365 W	0.315 W
Total energy transferred to vial and water	18.852 kJ	19.980 kJ	19.646 kJ