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首页> 外文期刊>Electronic journal of Polish agricultural universities >MEASUREMENT OF DROPLET SIZE DISTRIBUTION CHARACTERISTICS OF A SPRAY DRYER-ROTARY ATOMIZER USING PHASE DOPPLER ANEMOMETRY TECHNIQUE
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MEASUREMENT OF DROPLET SIZE DISTRIBUTION CHARACTERISTICS OF A SPRAY DRYER-ROTARY ATOMIZER USING PHASE DOPPLER ANEMOMETRY TECHNIQUE

机译：使用相位多普勒式水平测量技术测量喷雾干燥器 - 旋转雾化器的液滴尺寸分布特性

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Experimental tests were conducted for measuring spray size distribution characteristic and power consumption of a spray dryer rotary atomizer using Phase Doppler Anemometry (PDA). For different operating condition of rotary atomizer: 7000-26000 rpm disk speed and 20–80 l/h feed flow rate, the main parameters of spray such as D_(v0.1), D_(v0.9), SMD and VDM were measured. Statistical analysis indicated that feed flow rate and atomizer speed, except RSF value, are significant effect on spray characteristics. At constant atomizer speed, by increasing feed flow rate from 20 to 80 l/h, SMD and D_(v0.1) decreased, VMD unchanged, and D_(v0.9 )increased. Also, at constant feed flow rate, by increasing atomizer speed, all spray characteristic of D_(v0.1,) _(v0.9), VMD and SMD decreased. With increasing the atomizer speed and feed flow-rate, obviously power consumption increased.
机译：使用相位多普勒式水平测量（PDA）测量喷雾干燥机旋转雾化器的喷涂尺寸分布特性和功耗进行实验试验。对于旋转雾化器的不同运行条件：7000-26000 RPM磁盘速度和20-80升/升流量，喷涂的主要参数如D_（V0.1），D_（v0.9），SMD和VDM测量。统计学分析表明，除了RSF值之外的进料流速和雾化器速度，对喷射特性有显着影响。在恒定的雾化器速度下，通过增加20至80L / h，SMD和D_（V0.1）的馈流速率降低，VMD不变，D_（v0.9）增加。而且，通过恒定进料流速，通过增加雾化器速度，所有D_（v0.1，）_（v0.9），VMD和SMD的喷射特性降低。随着雾化器速度和进料流量的增加，显然功耗增加了。

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