INVESTIGATIONS OF A TWO DIMENSIONAL JET IMPINGING ON TWO FLAT PLATES WITH AN ANGLE BETWEEN THEM

Document Type : Original Article

Authors

Dept. of Power Mech. Eng., Faculty of Eng., Minou$ya University, Shebin El-Kom, EGYPT

Abstract

Jet Impingement on two flat plates with an angle between them has been experimentally and
Numerically studied at different flow and geometrical conditions. The numerical simulations were
performed by the solution of Navier-Stokes equations with a k- E model. The stagnation pressure
ratio (p, I p.) was varied from 1.2 to 3. Thus, the Reynolds number based on the nozzle width (b)
was ranged from 4.5 x lo4 to 8.3 x 10' . The distance between the center of the two plates and
nozzle exit plane (hlb) was changed from 5 to 60. The angle between the two plates (0) was varied
from 50" to 180' . Pressure distributions along the two plates were compared with those of a free
jet. Also, results have been compared with those obtained from the numerical solution. It is
concluded that the jet flow behavior and pressure distributions are more sensitive to the initial
stagnation pressure, the impingement distance than those obtained with varying the angle between
the two impingement plates. Comparison of the predicted behavior of the jet with those obtained
from experimental results gives a good agreement.

Keywords

ERJ. Engineering Research Journal
Volume 28, Issue 4
October 2005
Pages 353-365

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