Page 248 - Alternative Energy Systems in Building Design

224 PASSIVE SOLAR HEATING TECHNOLOGIES

Figure 6.1 Historical
use of passive solar
energy to power a
printing press.

is to prevent heat transmission to the roofs or support structures. Figure 6.3 illustrates
the operation of a residential passive solar water-heating system; Fig. 6.4 shows an
industrial passive solar water-heating system.

POOL HEATING
Over the years, a wide variety of pool-heating panel types have been introduced. Each
has its intrinsic advantages and disadvantages. At present, there are four primary types
of solar pool collector designs:

1 Rigid black plastic panels (polypropylene)
2 Rubber mat or other plastic or rubber formulations
3 Tube-and-fin metal panels with a copper or aluminium fin attached to copper tubing
4 Plastic pipe systems

ENERGY FROM THE SUN

MAGNIFYING GLASS TOP

FLUID PIPES
Figure 6.2 Passive
solar water-heating
SILVER REFLECTIVE SURFACE panel.