Glossary of Solar Radiation Resource Terms

Other relevant glossaries


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Farenheit Scale - the English temperature scale for which 32°C is the temperature at which water freezes and 212°C is the temperature at which water boils, at standard atmospheric pressure. The conversion from Celsius to Farenheit is

    F = 1.8 C + 32


F-CHART - a solar power system analysis and design program. For more information, see the F-CHART home page.


Fixed-Tilt Array - a set (array) of solar power collectors that do not pivot to follow the track of the Sun in the sky. In the Northern Hemisphere, they are usually mounted with a southern tilt that will maximize the amount of energy that they can receive.


Flat-Plate Collector - a solar power collector that absorbs the Sun's energy on a flat surface without concentrating or refocusing it.


Flux - the rate at which a substance flows. The Watt is a unit of energy flux, because it indicates the amount of energy (in joules) that flows every second.


Focusing Collector - a collector that enhances solar energy by focusing it onto a smaller area through mirrored surfaces or lenses.


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