QUESTION 7:Water (Cp = 4180 J/kg-K) enters the 2.5 cm internal-diameter tube of a double-pipecounter-flow heat exchanger at 17°C at a rate of 1.8 kg/s. Water is heated by steamcondensing at 120°C (hig = 2203 kJ/kg) in the shell. If the overall heat transfercoefficient of the heat exchanger is 700 W/m².K, determine the length of the tuberequired in order to heat the water to 80°C using:%3D7.1) the LMTD method.7.2)the e-NTU method.

Internal diameter = 2.5 cm flow rate = 1.8 kg/s Coefficient of heat exchanger = 700 W/m2.K

Water (Cp = 4180 J/kg-K) enters the 2.5 cm internal-diameter tube of a double-pipe counter-flow heat exchanger at 17°C at a rate of 1.8 kg/s. Water is heated by steam condensing at 120°C (htg = 2203 kJ/kg) in the shell. If the overall heat transfer coefficient of the heat exchanger is 700 W/m²-K, determine the length of the tube required in order to heat the water to 80°C using: %3D

Water (Cp = 4180 J/kg-K) enters the 2.5 cm internal-diameter tube of a double-pipe counter-flow heat exchanger at 17°C at a rate of 1.8 kg/s. Water is heated by steam condensing at 120°C (htg = 2203 kJ/kg) in the shell. If the overall heat transfer coefficient of the heat exchanger is 700 W/m²-K, determine the length of the tube required in order to heat the water to 80°C using: %3D

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 6.48P

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