The Fig. 2. A schematic diagram of the boiler dryer. 1340 M.N. Nijmeh et al. / Applied Thermal Engineering 18 (1998) 1337±1346 solar radiation was measured using a pyranometer, which was electronically controlled to give readings at half-hour intervals.
TheFig. 2. A schematic diagram of the boiler dryer.1340 M.N. Nijmeh et al. / Applied Thermal Engineering 18 (1998) 1337±1346solar radiation was measured using a pyranometer, which was electronically controlled to givereadings at half-hour intervals.