Abstract
The deformation, breakup, and displacement of liquid droplets due to air streams are described. Experiments are conducted using a horizontal air-suction wind tunnel. Uniform liquid droplets produced by a longitudinal vibration of a nozzle are used. Shattering processes of liquid droplets are observed using a stroboscope. The deformation of a liquid droplet varies with airstream velocity. The typical critical breakup pattern of a droplet in this experiment is a bag breakup. Time variation of droplet displacement are investigated in detail. Under a constant airstream velocity, the displacement of a droplet increases as its diameter decreases. When deformation of a droplet is increased to some level, the droplet is moved irregularly, The relationship between dimensionless time and dimensionless displacement is presented for droplets with small deformation.
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