The feasibility and advantage of selective far-infrared coating on solar dryer, aiming at increasing the thermal efficiency, was theoretically analyzed. The effect of this coating was demonstrated by comparative experimental data.

• 从理论上分析了在太阳能干燥器壁上涂选择性远红外涂料,以提高太阳能干燥器热效率的可能性和优越性,并通过对比实验所测得的数据来验证涂选择性远红外涂料的效果,并具体解释各项测试参数差异的原因。