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. 2024 Aug 9;16(16):2264. doi: 10.3390/polym16162264

Figure 8.

Figure 8

Calculated cooling power depending on different background materials. Environmental parameters: ambient temperature (Tamb): 25 °C; wind speed: 0 m/s; relative humidity: 40%; solar irradiance: 700 W/m2. (a) Uncoated semi-transparent PA6.6 sample cooling power for △T = 0: PA6.6 with no background: 37.49 W/m2; PA6.6–aluminum: −59.19 W/m2; PA6.6–black foil: −309.26 W/m2. (b) Uncoated semi-transparent PES sample cooling power for ΔT = 0: PES no background: 26.79 W/m2; PES–aluminum: −18.75 W/m2; PES–black foil: −419.62 W/m2. (c) Coated PES sample, cooling power for ΔT = 0: PES (coated) with no background: 13.03 W/m2; PES–aluminum (coated): 14.69 W/m2; PES–black foil (coated): 14.93 W/m2.