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2 cards from this section. Quick, good the night before a test.
What is the definition of direct solar radiation?
Consider how sunlight may reach the Earth without interference.
Name one instrument that measures solar radiation.
Think about an instrument associated with global solar radiation.
Which type of radiation is sunlight directly reaching the Earth's surface without any scattering?
Think of the sunlight you feel on a clear day.
True or False: Pyranometers can measure both direct and diffuse solar radiation.
Consider the functions of a pyranometer.
Given a location with an average of 8 sunshine hours per day and a solar radiation value of 5 kWh/m²/day, apply the Angstrom-Prescott model to estimate the GHI.
Make sure you clearly understand the roles of a and b in the formula.
Discuss how variations in tilt angle for solar panels can impact the estimated GHI compared to horizontal surfaces.
Think about how sunlight hits different angles throughout the year.
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