Experimental Methods(Flowmeters and Pressure Drop In a Flow System)

Experimental Methods(Flowmeters and Pressure Drop In a Flow System)

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EXPERIMENTAL METHODS There were two parts in this experiment. The objectives were measuring the velocity across the boundary layer and determining the orifice coefficient. In order to achieve these objectives we have applied the procedures that are explained in detailed way below. At first we have opened the ends of the manometers in order to take the bubbles out which may affect the values that we read from the manometer. After the valves are closed we have read the initial value of the flow nozzle and measured the slope of the flow nozzle. The flow rate in this experiment has a very important role. To adjust flow rate rotameter is used. While adjusting the flow rate we measured the time required to fill a bucket, weighed it and by using
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Unformatted text preview: the density of water, the volume of the bucket is calculated. The values of flow nozzle, orificemeter and pitot tube were measured. After that we have measured the value of pipe manometer for points 1 and 2. Then we closed the point 2 and opened point 3, 4 and 5 respectively. The same procedure was applied for different flow rates. We have calculated the flow rates by virtue of the time measured that required to fill the bucket again. After changing the flow rates we have measured the values of flow nozzle, orificemeter and the pitot tube again before starting the measurement of the pressure drops across the the points 1-2 ,1-3 ,1-4 and 1-5....
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This note was uploaded on 05/01/2011 for the course CHE che 320 taught by Professor Ahmetarslan during the Spring '11 term at Middle East Technical University.

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