研究目的
To understand and analyze the radiation characteristics of opaque materials, focusing on solar absorptance and infrared emittance, and to explore the relationships between various radiation properties for solar energy applications.
研究成果
The chapter provides a comprehensive understanding of radiation characteristics of opaque materials, emphasizing the importance of solar absorptance and infrared emittance in solar energy applications. It highlights the potential of selective surfaces to enhance solar energy collection efficiency by optimizing absorptance and emittance properties.
研究不足
The analysis assumes ideal conditions and may not account for all real-world variations in material properties and environmental conditions. The accuracy of calculations depends on the quality of available spectral data.
1：Experimental Design and Method Selection:
The chapter discusses the theoretical models and algorithms employed in understanding radiation characteristics, including the definition and calculation of absorptance and emittance.
2：Sample Selection and Data Sources:
The analysis is based on theoretical models and available data on radiation properties of materials.
3：List of Experimental Equipment and Materials:
Not explicitly mentioned, but involves materials with specific radiation properties for solar energy applications.
4：Experimental Procedures and Operational Workflow:
The methodology involves calculating broadband properties from spectral properties and analyzing selective surfaces.
5：Data Analysis Methods:
The approach includes integrating over wavelengths to calculate absorptance and emittance, and analyzing the spectral distribution of incident radiation.
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