In the figure $2\backslash$alpha $=60\backslash$deg

$1$ ?angled slit and $\backslash$alpha $=20\backslash$deg

with angle of attack

jet flow is shown. The density of the stream is $\backslash$rho $=1000$

kg $/$ ?m$3$

$,$ ?width b $=30$ ?cm$.$ ?and the velocity is U $=0\mathrm{.}5$ ?m $/$ ?s$.$ ?Way

As you can see, single jet flow until the flow bifurcates,

After the slit, two jets are in flow. Both

fluid velocity at the outlet is U value.

The thickness of the exit arms is indicated on the figure.

$($Being $\backslash$beta b and $(1-\backslash$beta $)$ ?b$,$ ?respectively$).$ ?Where $0<=\backslash$beta $<=1$

varies.

Assuming that the flow is planar, the depth is d $=50$ ?cm$.$

$($perpendicular to the plane of the figure$)$ ?and gravity

negligible pressure everywhere atmospheric pressure

Assuming that there is pressure,

a$)-$ ?Calculate the lifting and drag forces.

$($for $=\backslash$beta $0\mathrm{.}3.)$

b$)$ ?Removing with all values remaining constant

what value must have to have zero power?

Transcribed Image Text:

SORU 4) (25 puan) - P.U (1-b SORU 4) (25 puan) - P.U (1-b