Experimental investigation of sub-millimetre droplet impingement on to spherical surfaces
Y Hardalupas, A Taylor, JH Wilkins - International journal of heat and fluid …, 1999 - Elsevier
This study reports an experimental investigation of the phenomena which occur when
discrete, monodisperse droplets of a water–ethanol–glycerol solution in the size and velocity
ranges of 160< D< 230 μm and 6< U< 13 m/s, respectively, impinge upon a spherical
surface with diameter of the order of 1 mm. By altering the concentrations of the water,
ethanol and glycerine, the surface tension and viscosity were varied in the ranges 58< σ< 73
mN/m and 0.0010< μ< 0.0024 kg/ms, respectively. The boundary between droplets that …
discrete, monodisperse droplets of a water–ethanol–glycerol solution in the size and velocity
ranges of 160< D< 230 μm and 6< U< 13 m/s, respectively, impinge upon a spherical
surface with diameter of the order of 1 mm. By altering the concentrations of the water,
ethanol and glycerine, the surface tension and viscosity were varied in the ranges 58< σ< 73
mN/m and 0.0010< μ< 0.0024 kg/ms, respectively. The boundary between droplets that …
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