Fig. 3: Numerical design and experimental realization of a greenhouse chamber for the STEG hot-side thermal management | Light: Science & Applications

Fig. 3: Numerical design and experimental realization of a greenhouse chamber for the STEG hot-side thermal management

From: 15-Fold increase in solar thermoelectric generator performance through femtosecond-laser spectral engineering and thermal management

Fig. 3

a Schematic of the greenhouse chamber for hot-side convective thermal management. Simulated b temperature distributions and c air velocity fields for air-film thicknesses d = 2 mm, 5 mm, and 7.5 mm. d Optimization of the air-film thickness to minimize heat loss through simulations. e Photo of STEG with a 6-mm thick greenhouse chamber. f Hot-side temperature (Th) and ΔT for the W-SSA-integrated STEG with and without the greenhouse chamber under 1–5× solar concentrations. g STEG peak output power with and without the greenhouse chamber under 1–5× solar concentrations

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