Air flows at 20 oC through a 6 cm pipe. A square edged orifice plate with the diameter ratio β=0.4 , is chosen to meter the flow rate. A pressure drop of 250 cm H2O is measured at the flange taps with an upstream pressure of 93.7 kPa absolute. Take discharge coefficient ,C, as 0.60±1%. Assume that dimensions are known to within 0.025 mm, the systematic uncertainty in pressure is 0.25 cm H2O, and the pressure drop shows a standard deviation of 0.5 cm H2O in 20 readings. Upstream pressure is constant. In the flow measurement , determine the followings : a) The flow rate

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Fluid Dynamics

The study of the flow of gases and liquids, usually in and around solid surfaces, is known as fluid dynamics in physics and engineering. Fluid dynamics, for example, can be used to evaluate the movement of air through an airplane wing or the surface of a vehicle. It can also be used in ship design to increase the speed at which ships pass through water.