Table 1

Summary of the studies − solar thermal systems.

References System type Experimental analysis Numerical analysis Simulation tool or technique Parametric analysis Thermal efficiency Electrical efficiency Total efficiency
[15] Water solar flat-plate solar thermal collector x x Matlab active and passive analysis N.S. N.S. 0.16 − 0.46
[16] Flat-plate solar thermal air collector x x Matlab active and passive analysis N.S. N.S. N.S.
[17] Integrated collector storage solar water heaters   x CFD software aspect ratio N.S. N.S. N.S.
[18] Integrated solar thermal collector and latent heat storage panels x x N.S.   N.S. N.S. N.S.
[19] Ventilated active thermoelectric envelope x   N.S.   N.S. N.S. N.S.
[10] Venetian blind collector   x CFD software   N.S. N.S. N.S.
[20] PCM thermal storage x x EnergyPlus   N.S. N.S. N.S.
[21] Active slab with PCM coupled to a solar air collector x   N.S.   N.S. N.S. N.S.
[11] Double glazing façade system with PS-TIM   x CFD software cell aspect ratios N.S. N.S. N.S.
[22] Solar thermal collectors with PCM x x CFD software   N.S. N.S. N.S.
[23] Solar thermal façade with an interiorly extruded pin-fin flow channel x x N.S.   0.63 N.S. N.S.
[27] Building-integrated solar thermal shading   x EnergyPlus   N.S. N.S. N.S.
[24] Dual-function solar collectors with and without tile-shaped covers and water heating   x CFD software inlet water temperature, flow rate, weather 0.73 N.S. N.S.
[25] Modular unglazed solar thermal element   x N.S. building typology, system geometry and characteristics N.S. N.S. N.S.
[26] Heat pump assisted solar façade loop-heat-pipe x x N.S.   N.S. N.S. N.S.
(Li, Dai and Wang, 2015) Solar thermal curtain wall x x N.S.   0.56 N.S. N.S.

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