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

Table 5

Heat transfer efficiency of different coatings.

	Original temperature	Halfway temperature measurement	Reach temperature	Transmission efficiency
Traditional thermal barrier coatings	40.3	33.8	30.4	43.9
Nanostructured thermal barrier coatings	42.5	39.5	38.9	74.8
Silicon carbide coating	41.9	35.3	31.7	60.4
Copper ion coating	43.0	39.1	32.6	59.7