# (Solved) : Saturated Steam 108 C Condenses Outside 26 M Length Copper Tubing Heating 231 Liters Min W Q42771705 . . .

Saturated steam at 108°C condenses on the outside of a 2.6 m length of copper tubing while heating 2.31 liters/min of water flowing through the tube. Take the steam side heat transfer outside the tube ho=11350 W/m2C along the tube. We want to determine the local heat transfer coefficient hwx at different positions x along the tube on the inside from measurements of the water temperature at these locations as tabulated below. 7 8 9 1.82 2.08 4 5 0.26 0.52 0.78 Location 1 2 10 11 Х, m Water temp °C 1.30 1.04 1.56 2.34 2.60 18 43 57 67 73 78 82 85 88 90 92 First write expression for each of the steps; then write a computer program to evaluate the quantities asked for as a function of position (a) Evaluate the heat transfer rate over each of the 10 length intervals (b) Evaluate the local overall heat transfer coefficient Uox based on the outer tube area at locations 2 through 11 (c) Evaluate the local heat transfer coefficient hwx at locations 2 through 11 (d) Evaluate the local Nusselt no. Nux at locations 2 through 11. (e) Taking k for water as 0.638 W/m C, evaluate the Graetz no, at various locations. (f) Finally, prepare plots of the various quantities against position Show transcribed image text Saturated steam at 108°C condenses on the outside of a 2.6 m length of copper tubing while heating 2.31 liters/min of water flowing through the tube. Take the steam side heat transfer outside the tube ho=11350 W/m2C along the tube. We want to determine the local heat transfer coefficient hwx at different positions x along the tube on the inside from measurements of the water temperature at these locations as tabulated below. 7 8 9 1.82 2.08 4 5 0.26 0.52 0.78 Location 1 2 10 11 Х, m Water temp °C 1.30 1.04 1.56 2.34 2.60 18 43 57 67 73 78 82 85 88 90 92 First write expression for each of the steps; then write a computer program to evaluate the quantities asked for as a function of position (a) Evaluate the heat transfer rate over each of the 10 length intervals (b) Evaluate the local overall heat transfer coefficient Uox based on the outer tube area at locations 2 through 11 (c) Evaluate the local heat transfer coefficient hwx at locations 2 through 11 (d) Evaluate the local Nusselt no. Nux at locations 2 through 11. (e) Taking k for water as 0.638 W/m C, evaluate the Graetz no, at various locations. (f) Finally, prepare plots of the various quantities against position

Answer to Saturated steam at 108°C condenses on the outside of a 2.6 m length of copper tubing while heating 2.31 liters/min of w…

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