A Venturi tube has a pressure difference of $ 15\,000 $ $ \text{Pa} $. The entrance radius is $ 3 $ $ \text{cm} $, while the exit radius is $ 1 $ $ \text{cm} $. What are the entrance velocity, exit velocity, and flow rate if the fluid is gasoline $ (\rho = 700 $ $ \text{kg/m}^3 ) $?

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A Venturi tube has a pressure difference of $ 15\,000 $ $ \text{Pa} $. The entrance radius is $ 3 $ $ \text{cm} $, while the exit radius is $ 1 $ $ \text{cm} $. What are the entrance velocity, exit velocity, and flow rate if the fluid is gasoline $ (\rho = 700 $ $ \text{kg/m}^3 ) $?

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Jason · Accepted Answer

Entrance velocity: $v_1 = 0.73\,\text{m/s}$
Exit velocity: $v_2 = 6.59\,\text{m/s}$
Flow rate: $Q = 2.07\times10^{-3}\,\text{m}^3/\text{s}$

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