Effect of Color Coating of Cover Plate on Thermal Behavior of Flat Plate Solar Collector
Abstract
:1. Introduction
2. Materials and Methods
2.1. Halftone Coating
2.2. Design of Experimental Apparatus
2.2.1. The Structure of The Solar Collector
2.2.2. The Coated Cover Plate
2.3. Experimental Scheme
2.4. Experimental System and Test Method
2.4.1. Experimental System
2.4.2. Test Method
3. Analysis of Thermal Network
3.1. Thermal Network of Solar Collector without Coating
3.2. Thermal Network of Solar Collector with Coating
4. Results and Discussion
4.1. General Effect of Coating on Solar Collector
4.1.1. Increase in The Temperature of Cover Plate
4.1.2. Effect on Energy Collection
4.2. Effect of Solar Irradiance
4.3. Effect of Different Coating Positions
5. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
Nomenclature
transmittance of glass plate | |
transmittance of coating | |
absorptance of glass plate | |
absorptance of coating | |
solar irradiance projected onto the collector | |
radiative heat transfer coefficient between the heat absorber plate and the cover plate | |
convective heat transfer coefficient between the heat absorber plate and the cover plate | |
radiative heat transfer coefficient between the cover plate and atmosphere | |
wind heat transfer coefficient | |
heat conductivity of glass plate | |
thickness of glass plate | |
thermal resistance of coated glass plate | |
inner surface temperature of cover plate | |
outer surface temperature of cover plate | |
heat absorber plate temperature | |
ambient temperature | |
Subscript | |
A | Type A |
B | Type B |
R | Type R |
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Li, C.; Huang, Q.; Wang, Y. Effect of Color Coating of Cover Plate on Thermal Behavior of Flat Plate Solar Collector. Energies 2020, 13, 6696. https://doi.org/10.3390/en13246696
Li C, Huang Q, Wang Y. Effect of Color Coating of Cover Plate on Thermal Behavior of Flat Plate Solar Collector. Energies. 2020; 13(24):6696. https://doi.org/10.3390/en13246696
Chicago/Turabian StyleLi, Chengyi, Qunwu Huang, and Yiping Wang. 2020. "Effect of Color Coating of Cover Plate on Thermal Behavior of Flat Plate Solar Collector" Energies 13, no. 24: 6696. https://doi.org/10.3390/en13246696