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Note 24. Characteristics of Sunlight

The Energy Efficiency Manual provides many ways to save energy by using sunlight or by avoiding its adverse effects. To help you exploit these methods, this Note explains the basic characteristics of solar energy and sunlight.

Here you will learn the amount of energy in sunlight, both as a heat source and a light source. The wavelength distribution is explained, including its visible, infrared, and ultraviolet components and their importance. The motion of the sun through the sky is explained, including daily and seasonal changes. Weather and atmospheric effects are summarized. The effects of glazing materials on sunlight are explained.

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Note 24. Characteristics

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