[Retracted] Application of Nanocomposites with Thermal Barrier Coating in Heat Pump Heat Transfer Systems

Table 4

Thermal insulation under different nanocoating densities.

	10%	20%	30%	50%
External temperature	77.3	69.2	63.9	57.1
Internal temperature	93	85.6	79.3	70.3
Insulation rate	30.2	35.6	50.3	61.8