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International Journal of Fluid Mechanics Research
ESCI SJR: 0.206 SNIP: 0.446 CiteScore™: 0.5

ISSN Imprimir: 2152-5102
ISSN En Línea: 2152-5110

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International Journal of Fluid Mechanics Research

DOI: 10.1615/InterJFluidMechRes.v24.i1-3.210
pages 210-219

Experimental Study on the Droplets Distributions and Formation of Liquid Film after Impingement on the Heated Plate with and without Triangular Grooves

H. Y. Kim
Korea Research Institute of Chemical Technology, Taejon, Korea
S. S. Park
Department of Mechanical Engineering, College of Engineering, Korea University, 1, Anam-dong, Sungbuk-ku, Seoul 136-701, Korea
K. M. Cho
Hyundai Motor Company Sanl-1, Mabook-Ri, Kusung-Myun, Yongin-Shi, Kyunggi-Do, 449-910, Korea


Impingement of liquid fuel spray on the surface of intake manifold influences on the performance and emission of IC engine. In order to provide the characteristics of liquid fuel droplets after impingement on the surface including the droplet size and liquid film formation on the surface, experimental study was carried out for the droplets impinging on the vertical heated plates with and without triangular grooves. Water and heptane are chosen as the fuel. Attack angle, temperature of plate and groove angle on the selected as the major parameters, and the effects of these major parameters on the spray characteristics of rebounced droplets are examined.
It is found that the attack angle, temperature of plate and the groove angle affect on the distribution of SMD, volume concentration of droplets after impingement as well as the formation of liquid film on the plate.