Analysis and Testing of a Natural Convection Solar Dryer for the Tropics

Table 4

Cost of constructing a unit solar dryer.

Material	Dimension	Quantity	Unit cost, N	Total, N	Total, $
Mild steel	0.1 × 0.2 m^2	2	6,600	13,200	88
Angle iron	0.2 m	3	1,500	4,500	30
Perspex	0.12 × 0.24 m^2	1/2	12,000	6,000	40
Wire gauze	0.1 × 0.2 m^2	1/2	4,000	2,000	13.3
Wood	0.02 × 0.1 m^2	4	275	1,500	10
Sealant		1	1,200	1,200	8
Paint		1	800	800	5.3
Grand total				29,200	194.6

For exchange rate of 1 US$ = N150.00.