الفهرس 
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Abstract
The object of the present work, in this thesis, is to give a clear picture of the flow characteristics over a curved surface. For that a convex-concave curved surface is designed and manufactured in the Faculty of Engineering and Technology workshop.
The wind tunnel facility in Aerodynamics laboratory at EL-Minia University is adopted. A special Dual port pressure probe is designed and constructed to measure the time mean velocity. Also a traversing mechanism is made to hold the probe in a position perpendicular to the curved surface.
Measurements of mean velocity of an incompressible turbulent flow through a convex - concave curved surface with downstream tangent are reported. The influence of three Reynolds numbers on
the velocity distribution in the range of (2.618x105, 3.927 x105 and 4.096x105) is studied. The results indicate that as Reynolds
number increases the maximum velocity increases over the curved surface. The velocity distribution is found to be uniform over the concave surface in comparison with that over the convex
surface.
Also an experimental study of the effect of different curved surface temperature on the velocity and temperature distributions over the curved surface is reported at Re = 2.281x105. It is found that increasing the curved surface temperature leads to increase the maximum velocity. The rate of development in temperature distribution is much better in convex surface in comparison with that found over a concave surface.