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首页> 外文期刊>Turkish Journal of Agriculture & Forestry >Liquid atomization and spray drift measurement in a wind tunnel for a twin fluid system with a deflector nozzle
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Liquid atomization and spray drift measurement in a wind tunnel for a twin fluid system with a deflector nozzle

机译：带偏转器喷嘴的双流体系统在风洞中的液体雾化和喷雾漂移测量

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摘要

The objectives of this research were to inspect the drop production of a twin fluid system with the Floodjet TK SS 10 042 deflector nozzle and to identify the drift of the droplets produced by the nozzle in a wind tunnel when using the nozzle with theindividual settings provided by the company that enlisted our institute to do the described research task. The results of the inspection of drop production, done using a particle sizer, showed that the values of volume diameter D_(v10) were low, the percentage of drops smaller than 100 um in size was considerable, and the drop sizes varied widely in each setting. It was concluded that the risk of drift and, therefore, the risk of placing an unnecessary load on the environment existed when using the nozzle with the given settings. The application of the nozzle that was tested may cause problems in various aspects of practical spraying techniques. Based on the results of the drift measurements performed in a wind tunnel, the material deposition reportedas relative coverage decreased significantly only when the recommended settings were changed at wind velocities of 2.0 m s~(-1) and 4.0 m s~(-1). At wind velocities of 4.0 m s~(-1) and 6.0 m s~(-1), detectable (>1%) relative coverage values were recorded for each setting, even at the measurement limit. It was concluded that the inspected twin fluid system with the Floodjet TK SS 10 042 deflector nozzle does not provide the expected decrease in drift when using the given settings at wind velocities of 4.0 m s~(-1) and 6.0 m s~(-1).
机译：这项研究的目的是检查使用Floodjet TK SS 10 042偏转器喷嘴产生的双流体系统的液滴产生情况，并确定在使用由以下设备提供的单独设置的喷嘴时，喷嘴在风洞中产生的液滴的漂移：聘请我的研究所完成上述研究任务的公司。使用粒度分析仪进行的液滴生产的检查结果表明，体积直径D_（v10）的值很低，小于100 um的液滴百分比非常可观，并且每种液滴的粒径变化很大设置。得出的结论是，在给定设置下使用喷嘴时，存在漂移的风险，因此存在对环境造成不必要负载的风险。经过测试的喷嘴的应用可能会在实际喷涂技术的各个方面引起问题。根据在风洞中进行的漂移测量结果，仅当在风速为2.0 m s〜（-1）和4.0 m s〜（-1）更改推荐设置时，以相对覆盖率报告的材料沉积才显着降低。在4.0 m s〜（-1）和6.0 m s〜（-1）的风速下，即使在测量极限下，每种设置也会记录可检测的（> 1％）相对覆盖率值。结论是，在风速为4.0 ms〜（-1）和6.0 ms〜（-1）的给定设置下，使用Floodjet TK SS 10042导流板喷嘴检查的双流体系统无法提供预期的漂移降低。 。

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