Question 6: Find the required length of a 5 cm-diameter tube to heat water from an inlet temperature of 30 °C to an outlet temperature of 100 °C using either: a) Constant temperature of 200 °C, or b) Constant heat flux of 10,000 W/m?. The mass flow rate of the water is 0.5 kg/s, its thermal conductivity is 0.04 W/m.K and its specific heat is 4190 kJ/kg.K. Assume a fully-developed flow.

Question 6: Find the required length of a 5 cm-diameter tube to heat water from an inlet temperature of 30 °C to an outlet temperature of 100 °C using either: a) Constant temperature of 200 °C, or b) Constant heat flux of 10,000 W/m?. The mass flow rate of the water is 0.5 kg/s, its thermal conductivity is 0.04 W/m.K and its specific heat is 4190 kJ/kg.K. Assume a fully-developed flow.

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.

Chapter6: Forced Convection Over Exterior Surfaces

Section: Chapter Questions

Problem 6.8P

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