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A pressure difference of 6.00 X 104 Pa is required to
Chapter 12, Problem 48E(choose chapter or problem)
A pressure difference of \(6.00 \times 10^{4}\) Pa is required to maintain a volume flow rate of \(0.800 \mathrm{~m}^{3} / \mathrm{s}\) for a viscous fluid flowing through a section of cylindrical pipe that has radius 0.210 m. What pressure difference is required to maintain the same volume flow rate if the radius of the pipe is decreased to 0.0700 m?
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QUESTION:
A pressure difference of \(6.00 \times 10^{4}\) Pa is required to maintain a volume flow rate of \(0.800 \mathrm{~m}^{3} / \mathrm{s}\) for a viscous fluid flowing through a section of cylindrical pipe that has radius 0.210 m. What pressure difference is required to maintain the same volume flow rate if the radius of the pipe is decreased to 0.0700 m?
ANSWER:Solution 48E Step 1: dV 3 Volume flow rate dt = 0.8 m /s Pressure difference p = 6.00 x 10 Pa 1 Radius of cylindrical pipe R = 0110 m Radius of cylindrical pipe after changing radius R = 0.070 m 2