Air having a density of 1.27 kg/m³ enters the inlet of an engine at a rate of 1000 m³/sec of a circular cross section of diameter 4 meters. If the bypass area is equivalent to 20% of inlet area due which the bypass flow velocity is 20% compared to the core engine velocity. The bypass air and core air combine to pass through the nozzle having an diameter of 1.5 meters then determine the following: a. Core engine exit velocity. b. Nozzle exit velocity. c. Nozzle exit mass flow rate without thrust reverser deployed. d. Thrust reverser forces in x and y direction when the air is deflected equally at an angle of 45° degrees due the thrust reverser. CASCADES BYPASS COOL AIR CORE HOT AIR ----> BYPASS COOL AIR CORE HOT AIR ----> CLAM SHELL DOORS CLAM SHELL DOORS Before Thurst Reverser After Thurst Reverser Figure: Engine before and after thrust reverser

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Applied Fluid Mechanics

A fluid is a substance that is continuously deformed by the application of shear stress. The rate of deformation of a fluid depends on its viscosity. The fluid tries to flow when it interacts with some other system.