Empirical Validation of Heat Transfer Performance Simulation of Graphite/PCM Concrete Materials for Thermally Activated Building System

Table 4

Mean absolute error between experimental and simulation values.

Case	Mean absolute error
	Top	Middle	Bottom
Concrete
Heating period	1.3°C	0.3°C	1.3°C
Nonheating period	0.4°C	0.3°C	0.3°C
Graphite/PCM concrete
Heating period	3.1°C	0.7°C	1.2°C
Nonheating period	0.7°C	0.6°C	0.5°C