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引用次数: 0
摘要
对伊拉克气候条件下太阳能烟囱采暖进行了试验研究。实验将烟囱安装在垂直壁上，吸收板放置在气隙前部。太阳能烟囱附在尺寸(2.5×1.29×1.07) m的房间上，研究了烟囱在恒定高度(1.07 m)下测量气隙宽度的影响，测试了三种宽度，即0.2 m, 0.3 m和0.4 m。实验结果表明，太阳能烟囱可实现室内外温差约(13℃)，局部阴天温差可接受。结果还表明，当气隙宽度为0.3m时，太阳能烟囱的性能最佳。
EXPERIMENTAL STUDY OF SOLAR CHIMNEY PERFORMANCE FOR PASSIVE HEATING
An experimental investigation on solar chimney used for heating under climate of Iraqis carried out. Experiments were conducted on the chimney installed on vertical wall withabsorber plate placed at the front side of the air gap. The solar chimney attached to room ofdimensions (2.5×1.29×1.07) m. The chimney is studied to measure the effect of the air gapwidth with constant height of (1.07 m). Three widths are tested, namely, 0.2 m, 0.3 m and0.4 m. The experimental results showed that the solar chimney can achieve about (13 °C)difference in temperature between indoor and outdoor as well as it gives acceptabledifference in partial cloudy days. The results also indicated that the best performance ofsolar chimney is with 0.3m air gap width.
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