Environmental Engineering Reference
In-Depth Information
figure 13.6
A solar thermoelectric system. Solar concentrator
mirrors and tube system. (Photograph of ACCIONA
'
s
Nevada Solar One courtesy of ACCIONA)
There are two other potential advantages. Tracking
systems make more ef
cient use of sunlight.
Figure
.
shows the relative output of a
flat plate and a tracking
collector as a function of time of day. The graph is for the
latitude of Los Angeles at the equinox. The tracking
system snaps to full output almost as soon as the Sun rises
while the stationary
flat collector has a slow rise and fall,
and only reaches full output at noon.
