1. Air at 80 °F is to flow through a 2-ft pipe at an average velocity of 6 ft/s. What size pipe should be used to move water at 60 °F and average velocity of 3 ft/s if Reynolds number similarity is enforced? Take kinematic viscosity of water at 60 °F as 1.21×105 ft2/s, and kinematic viscosity of air at 80 °F as 1.69×104 ft²/s.
1. Air at 80 °F is to flow through a 2-ft pipe at an average velocity of 6 ft/s. What size pipe should be used to move water at 60 °F and average velocity of 3 ft/s if Reynolds number similarity is enforced? Take kinematic viscosity of water at 60 °F as 1.21×105 ft2/s, and kinematic viscosity of air at 80 °F as 1.69×104 ft²/s.
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Transcribed Image Text:1. Air at 80 °F is to flow through a 2-ft pipe at an average velocity of 6 ft/s. What size pipe should
be used to move water at 60 °F and average velocity of 3 ft/s if Reynolds number similarity is
enforced? Take kinematic viscosity of water at 60 °F as 1.21×105 ft²/s, and kinematic viscosity of
air at 80 °F as 1.69×10-4 ft²/s.
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