Flow%20Meter_student

Flow%20Meter_student - 5 From the manufacturer’s...

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Page 1 of 2 FLOW METERING MAE 306 Objective The objective of this experiment is to calibrate a venturi and a rotameter. The captured- volume method is used to determine the experimental flow rate. Rotameter Experiment 1. Set up the rotameter on the flow bench. 2. Open the supply valve completely. Use the rotameter inlet valve to vary the flow. At each flow setting, a. Use the captured-volume method to determine the experimental flow rate Q exp,current . b. Record the bob height. c. Record the water temperature. 3. Standard condition is where specific gravity, SG = 1. Correct the experimental flow rate at the current condition to standard condition by a. From the water temperature, look up water density using the given chart, then calculate the specific gravity. b. From the specific gravity correction curve for liquid, look up the correction factor CF . c. Calculate the experimental flow rate at standard condition using CF Q Q current exp SG exp , 1 , = = . 4. Plot Q exp,SG=1 vs. bob height.
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