The term Steady State refers to a system in which flows of mass, heat, and work of a system do not change over time. A Venturi Meter is a steady state device that measures the flow rate of a liquid by producing a pressure drop. The pressure drop can be measured using a manometer; however, this pressure is produced by significantly reducing the diameter of a pipe, causing the velocity of the fluid to increase. (In other words, at steady state the increase in velocity produces a decrease in pressure.) Using the figure below, suppose that the flow rate of liquid water, Q, is 800 gpm (gallons per minute). If D1 = 12 in, what is the velocity (ft/s) of the water before it enters the venturi? 2. Would you recommend a venturi diameter (D2) of 0.15 in? (A simple yes/no will not suffice.
Problem #2:
The term Steady State refers to a system in which flows of mass, heat, and work of a system do not change over time. A Venturi Meter is a steady state device that measures the flow rate of a liquid by producing a pressure drop. The pressure drop can be measured using a manometer; however, this pressure is produced by significantly reducing the diameter of a pipe, causing the velocity of the fluid to increase. (In other words, at steady state the increase in velocity produces a decrease in pressure.) Using the figure below, suppose that the flow rate of liquid water, Q, is 800 gpm (gallons per minute).
- If D1 = 12 in, what is the velocity (ft/s) of the water before it enters the venturi?
2. Would you recommend a venturi diameter (D2) of 0.15 in? (A simple yes/no will not suffice.
![pressure taps
P2
D1
d
D
D2
Venturi Meter Parameters](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa21de792-d633-4008-8a00-e37b1867e562%2F6abfdb9a-1d8c-4639-be34-6831c0854264%2F52txnm_processed.jpeg&w=3840&q=75)
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