First and Second Law Evaluation of Multipass Flat-Plate Solar Air Collector and Optimization Using Preference Selection Index Method

Figure 1

Configurations of solar air heater. (a) Type 1: triple-pass, double glass cover. (b) Type 2: double-pass, single glass cover. (c) Type 3: double-pass, double glass cover. (d) Type 4: double-pass, double glass cover. (e) Type 5: single-pass, double glass cover.

(a)

(b)

(c)

(d)

(e)