Скачать или смотреть The drag force acting on the cylinder was measured using a multi-tube well-type manometer. Small ho…

The drag force acting on the cylinder was measured using a multi-tube well-type manometer. Small holes are drilled in the surface of the cylinder, which are attached to small tubes. The tubes are connected to the manometer tubes to measure the pressure distribution on the cylinder immersed in a flow. The pressure is assumed to remain constant over each segment, and the force is given by: F = 102P(cosθi + sinθj)R/360 A pressure distribution is acquired as shown below. Locate the position of the leading edge on the graph below. [2pts] -0.05 -0.1 -0.15 (sd) -0.2 -0.25 (said) -0.3 8 ft/s -0.35 -0.4 0.45 Pressure Tap N (b) Assume that you measure the drag force on the circular cylinder using a dynamometer (as you did in the Lift and Drag Measurements of an airfoil Lab). The cylinder is mounted on a sting to transmit the force into the dynamometer. In this experiment, do you expect the drag force with the dynamometer to be higher or lower than the drag force you originally measured with the manometers? Explain. Disregard the effect of the sting on the drag measurement. [8 pts]

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