Chapt06

Both pipes are wrought iron compute the flow rate q

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Unformatted text preview: ed iron pipe. Textbook Table of Contents | Study Guide P6.82 P6.83 P6.84 P6.85 EES P6.86 P6.87 P6.88 P6.89 P6.90 P6.91 Chapter 6 Viscous Flow in Ducts Estimate the resulting flow rate, in m3/s. (Note that the pump head is now in meters of gasoline.) The pump in Fig. P6.80 has its maximum efficiency at a head of 45 m. If it is used to pump ethanol at 20°C through 200 m of commercial-steel pipe, what is the proper pipe diameter for maximum pump efficiency? For the system of Fig. P6.55, let z 80 m and L 185 m of cast-iron pipe. What is the pipe diameter for which the flow rate will be 7 m3/h? It is desired to deliver 60 m3/h of water at 20°C through a horizontal asphalted cast-iron pipe. Estimate the pipe diameter which will cause the pressure drop to be exactly 40 kPa per 100 m of pipe length. The pump of Fig. P6.80 is used to deliver 0.7 m3/s of methanol at 20°C through 95 m of cast-iron pipe. What is the proper pipe diameter? SAE 10 oil at 20°C flows at an average velocity of 2 m/s between two smooth parallel ho...
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