Parameter or variable

Value

Latitude angle, L

27˚N

Optimum single surface tilted angle (reference)

30˚

Distance separating ratio,

1.0, 1.5, and 2.0

Solar collector tilt angle,

10˚, 20˚, …, 90˚

Ground reflectivity,

0.5

Reflector reflectivity,

0.9

Collector azimuth angle,

0˚ (south facing)

Reflector azimuth angle,

180˚ (north facing)