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噴霧液動(dòng)態(tài)表面張力與霧滴粒徑關(guān)
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between Dynamic Surface Tension and Droplet Diameter
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    摘要:

    為了描述噴霧液的動(dòng)態(tài)表面張力與霧滴粒徑的關(guān)系,，用粒度分析儀對(duì)不同表面張力噴霧液噴霧時(shí)形成的霧滴體積中徑D50進(jìn)行了研究，重點(diǎn)考察了噴頭尺寸,、噴霧壓力對(duì)D50的影響,。結(jié)果表明：噴霧液0.023s時(shí)的動(dòng)態(tài)表面張力值γ0.023越低,，所形成的霧滴D50越小,，D50與γ0.023呈線性相關(guān)；噴霧壓力相同時(shí),，隨著噴頭尺寸的增大,，噴霧液動(dòng)態(tài)表面張力的改變對(duì)霧滴粒徑的影響增大；噴頭尺寸相同時(shí),，隨著噴霧壓力的增大,，噴霧液動(dòng)態(tài)表面張力的改變對(duì)霧滴粒徑的影響減小。

    Abstract:

    In order to study the relationship between the atomization properties and dynamic surface tension(DST) of pesticide surfactants aqueous solutions, the median volume diameter （D50） of agriculture flat-fan nozzle were measured, with the particular emphasis on the effects of different nozzles and pressures. The results showed that the D50 was correlated linearly with γ0.023; the D50 increased resulted from DST with the increase of the nozzle type under the same pressure; with the increase of the pressure, the D50 decreased for the same nozzle.

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趙輝,宋堅(jiān)利,曾愛軍,何雄奎.噴霧液動(dòng)態(tài)表面張力與霧滴粒徑關(guān)[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2009,40(8):74-79. between Dynamic Surface Tension and Droplet Diameter[J]. Transactions of the Chinese Society for Agricultural Machinery,2009,40(8):74-79.

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