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对光散射测量蒸汽湿度作了较大的改进.根据米氏理论计算了球形粒子的消光系数,针对蒸汽中水滴的分布计算了水滴的平均消光系数,并修正了前向散射误差.建立的测量系统可同时测出湿度和水滴平均直径.
The light scattering measurement of steam humidity was greatly improved.According to Mie theory, the extinction coefficient of spherical particles was calculated, the average extinction coefficient of water droplets was calculated for the distribution of water droplets in steam and the forward scattering error was corrected.The established measurement The system can simultaneously detect the average humidity and water droplets diameter.