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航空雙噴嘴靜電噴頭的設(shè)計(jì)與試驗(yàn)
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    針對航空靜電噴霧裝置采用的雙噴嘴靜電噴頭進(jìn)行了結(jié)構(gòu)設(shè)計(jì)，從理論上分析了雙噴嘴環(huán)狀電極誘導(dǎo)的空間電場對霧滴粒徑及荷電效果的影響。建立了泵-噴頭-粒徑分析-荷質(zhì)比測量系統(tǒng)，對雙噴嘴靜電噴頭的噴霧特性進(jìn)行了試驗(yàn)分析。試驗(yàn)表明，當(dāng)充電電壓為10 kV時(shí)靜電噴霧可以產(chǎn)生分布均勻、平均體積中徑為81.8 μm的小霧滴，并可獲得2.65 mC/kg的最大荷質(zhì)比。

    Abstract:

    A structure design on a double-nozzle of aerial electrostatic sprayer was introduced. Space field induced by double-nozzle and impact on size and charging of droplets from space field was analyzed. A test system from bump-nozzle-size analysis to charge-mass ratio was established. Electrostatic spray characteristics were analyzed by the experiment. It showed that when charging voltage was 10 kV, electrostatic spray could bring distributing uniformity, small droplets with the average volume middle diameter of 81.8 μm. and maximum charge to mass ratio which was 2.65 mC/kg could be obtained. Double-nozzle of aerial electrostatic sprayer is excellent such as droplets distributing uniformity and charging plenary. The nozzle is satisfied with the needs of aerial electrostatic spray.

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茹煜,鄭加強(qiáng),周宏平,舒朝然.航空雙噴嘴靜電噴頭的設(shè)計(jì)與試驗(yàn)[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2007,38(12):58-61.[J]. Transactions of the Chinese Society for Agricultural Machinery,2007,38(12):58-61.

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