Research Article

A New Low-Cost Plastic Solar Collector

Table 3

Equivalent water inventory (106 liter) obtained by different hose diameters. Flows calculated for 0.6 bar district pressure and prices for 2.5-bar hoses.

Diameter (inches)Length (m)Max. flow (liters/min)Normal surface (m2)Price (U$D)

2′′562123.460
1.5′′100844.650
1.25′′144455.680
1′′224206.8100
0.75′′4006.69.8130