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8 results for “solar”

Formulae (8)

E \approx 9.87\sin 2B - 7.53\cos B - 1.5\sin B

Difference between sundial (apparent) and clock (mean) time.

P = A \times r \times H \times PR

Energy output of a photovoltaic array.

\alpha = \frac{\text{reflected}}{\text{incident}}

Fraction of solar radiation reflected by a surface.

E = A \times r \times H \times PR

Annual energy from a solar array's area, efficiency and sunlight.

T = \frac{C}{S}

Years to recover a solar install from annual savings.

\beta \approx \phi

Fixed panels roughly tilted to the site latitude capture the most annual energy.

P = G \times A \times \cos\theta

Sunlight power hitting a tilted surface.

P_n = P_0 (1 - d)^n

Panel power after n years of gradual degradation.