GAZI UNIVERSITY Faculty of Engineering Mechanical Engineering Department ME302 FLUID MECHANICS II Midterm Exam 2 20. 05. 2021 (Cleary show coordinate system and important points you used for the solutions) 1) a) (DÖÇ1) (15P) The inlet contraction and test section of a laboratory wind tunnel are shown in the figure. The air speed in the test section is U=25.8 m/s. Determine the differential pressure reading from the monometer shown in the figure. w=1000 kg/m3,air=1.15 kg/m b) (DÖÇ1) Consider V 4 x 2 yi 4 y 2 xj . the velocity i) (8P) Find the stream function. ii) (7P) Find the vorticity field. field given by Air U=25.8 m/s h Water