Significance of solar constant?
Question:
Answer:
Describes the Solar Radiation that falls on an area above the atmosphere at a vertical angle: s = 1.37 kW / m².
In space, solar radiation is practically constant; on earth it varies with the time of day and year as well as with the latitude and weather. The maximum value on earth is between 0.8 and 1.0 kW / m². In Germany, the average annual amount of insolation varies between 950 and 1100 kWh / m², depending on the region.
The above answer looks great! I wonder when that constant is used?
Don't vote for this answer. Second answer added to bring question to a vote.
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