NUMERICAL AND EXPERIMENTAL STUDY OF TURBULENT FLOW IN TWO DIMENSION INCLINED WALL JET

In the present study, a steady, two dimension turbulent isothermal and
incompressible flow of inclined wall jet has been studied numerically and
experimentally. The equations of momentum, continuity and the standard k￾r turbulent model are solved numerically using a finite-volume method to
indicate the effects of wall inclination and Reynolds number on the flow
characteristics of two-dimensional inclined wall jet. The Finite volume
method is formulated to suite the general grid system. The numerical results
indicate the effect of different values of wall angle (8 = 0°, 5O, go, 1 0°, 15O,
30' and 45') together with various Reynolds number (5x103, 10x103,
56x103, 86.24~10~ and 108.732~10~) onthevelocities (u, v), the pressure
(p), the location of maximum velocity of flow (b,,/h) and the width of
reciruclation zone (bmi,,/h). The present experimental work shows the wall
static pressure at different values of wall angle (0°, 5', 8Oand 10') and
different values of Re (56x lo3, 86.24~ lo3 and 108.732~ lo3). For the range
of O0 5 8 5 45O, the results indicate that, when the wall angle increases, the
maximum velocity decays faster and its location shifts towards free stream,
while the jet spreads faster. The width of recirculation zone increases by
increasing the wall angle and Reynolds number. The pressure increases by
increasing the wall angle but this increment decays by increasing the
Reynolds number. The numerical results give good agreement with the
present experiment work and also with the experiment data of Ref. [I I].