CAJ | 학술논문

从送风方式、集热器面积、集热器内空气流速等方面对屋顶式空气集热系统进行了优化设计，并对某典型农宅进行了测试分析。结果表明，采用高效的屋顶空气集热器，采用上送下回(向下送风)的送风方式、集热器内流速在4～6 m/s时，集热系统的效率基本在20%左右，在室内设计温度为14℃的条件下，太阳能贡献率达44%。该系统结构简单、价廉、安装方便且易于维护，可有效地利用屋面面积，适于农村新建房屋。
종송풍방식、집열기면적、집열기내공기류속등방면대옥정식공기집열계통진행료우화설계，병대모전형농택진행료측시분석。결과표명，채용고효적옥정공기집열기，채용상송하회(향하송풍)적송풍방식、집열기내류속재4～6 m/s시，집열계통적효솔기본재20%좌우，재실내설계온도위14℃적조건하，태양능공헌솔체44%。해계통결구간단、개렴、안장방편차역우유호，가유효지이용옥면면적，괄우농촌신건방옥。
Optimization design is made on the rooftop air heating system from the aspect of air supply, collector area and air velocity. A typical farmhouse with rooftop air heating system was also tested, and re-sults show that using high efficient air collector, applying air supply of up-supply and down-return, and with the 4~6m/s of air velocity in the collector, the systematic thermal efficiency is about 20%, and the so-lar contribution rate is about 44%if the room temperature is designed 14°C. The system has the advantages of simple structure, low price, easy installation, easy maintenance, and can effectively use the roof area, and is suitable for new farmhouses.