A channel of water at a flow rate of 2 kg/ s flowing through a square section and thin-walled channel with a height of 25 mm on the edge the inlet andi outlet are 25 °C and 75 °C respectively, and the channel surface is maintained at a constant temperature of 100 °C. Completely inside the channel approximate the required channel length value, since full-blown flow conditions are in question (m) (cp-4.185 kJ/ups, u=547x10-6Pas, k=0.643 W/ mK, Pr=3.56)

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Chapter6: Forced Convection Over Exterior Surfaces
Section: Chapter Questions
Problem 6.15P
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A channel of water at a flow rate of 2 kg / s flowing through a square section and thin-walled channel with a height of 25 mm on the edge the inlet andı
outlet are 25 °C and 75 °C respectively, and the channel surface is maintained at a constant temperature of 100 °C. Completely inside the channel
approximate the required channel length value, since full-blown flow conditions are in question (m) (cp=4.185
kJ/ups, u=547x10-6Pas, k=0.643 W / mK, Pr=3.56)
Please select one:
a. None of them
b.6.2
O c.4.7
O d.1.2
O e.3.4
Transcribed Image Text:A channel of water at a flow rate of 2 kg / s flowing through a square section and thin-walled channel with a height of 25 mm on the edge the inlet andı outlet are 25 °C and 75 °C respectively, and the channel surface is maintained at a constant temperature of 100 °C. Completely inside the channel approximate the required channel length value, since full-blown flow conditions are in question (m) (cp=4.185 kJ/ups, u=547x10-6Pas, k=0.643 W / mK, Pr=3.56) Please select one: a. None of them b.6.2 O c.4.7 O d.1.2 O e.3.4
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