Air at 20 °C and 2 atm absolute pressure enters a finned tube steam heater through a 50 mm diameter tube at a velocity of 15 m/s. It leaves the heater through a 65 mm tube at 90 °C and 1.6 atm abs. (a) what is the velocity at the outlet? (b) Calculate the Reynolds number for outlet flow and determine the flow type.
Air at 20 °C and 2 atm absolute pressure enters a finned tube steam heater through a 50 mm diameter tube at a velocity of 15 m/s. It leaves the heater through a 65 mm tube at 90 °C and 1.6 atm abs. (a) what is the velocity at the outlet? (b) Calculate the Reynolds number for outlet flow and determine the flow type.
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter5: Analysis Of Convection Heat Transfer
Section: Chapter Questions
Problem 5.4P: 5.4 Evaluate the Stanton number for flow over a tube from the following data:
, , , , .
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Air at 20 °C and 2 atm absolute pressure enters a finned tube steam heater through a 50 mm diameter tube at a velocity of 15 m/s. It leaves the heater through a 65 mm tube at 90 °C and 1.6 atm abs.
(a) what is the velocity at the outlet?
(b) Calculate the Reynolds number for outlet flow and determine the flow type.
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