Search results with tag "The characteristics of sunlight"

THE CHARACTERISTICS OF SUNLIGHT

total power density, integrated over the spectrum, is referred to as the solar constant, with a generally accepted value (ASTM, 2000, 2003; Gueymard, 2004) of 1.3661kW/m 2 (1.5) Figure 1.6. The spectral power density of sunlight, outside the atmosphere (AM0) and at the earth’s surface (AM1.5), showing absorption from various atmospheric ...

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