Air Velocity Measurement System for In-field Characterization of Air-Assisted Agricultural Spray Equipment

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外文摘要：Measurement of unsteady and turbulent air flows from air-assisted agricultural spray equipment is discussed. Air velocity measurement equipment capable of exposure to dust, liquids and flying debris, is described. Pitot tubes connected to piezoelectric pressure transducers can successfully record turbulent air flows at frequencies lower than 200 Hz. This information can be used to map air flow patterns from moving sprayers in actual field conditions. Results of measuring a conventional and a tower sprayer are presented.

外文关键词：

Air-assistedsprayerspitot tubespressure transducersanemometryturbulence

作者：

Michael H.Hetherington、Gary R.Van Ee、Richard R.Ledebuhr

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会议名称：

Symposium on pesticide formulations and application systems

会议地点：

Fort Worth, TX(US)

会议母体文献：

Symposium on Pesticide Formulations and Application Systems: Fourteenth Volume 12-13 Oct. 1993, held in Fort Worth, Texas

页码：

p.93-102

出版时间：

1993