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4 cards from this section. Quick, good the night before a test.
What is direct radiation?
Think of how sunlight behaves on a clear day.
What does global radiation consist of?
Remember the acronym 'D + D = G.'
What type of solar radiation reaches the surface without scattering?
Consider a clear day for context.
Solar irradiance is measured in which units?
Think of solar panel specifications.
Calculate the expected solar irradiance on a clear day versus a cloudy day, considering typical values.
Use typical irradiance values for different conditions.
Discuss how the angle of incidence affects solar radiation received by a solar panel.
Think about geometry and the alignment of the sun.
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