Question
Butyl alcohol at 30kg/s is cooled from 97C to 42C using treated water as a coolant in split-ring floating head shell and tube heat exchanger.
Butyl alcohol at 30kg/s is cooled from 97C to 42C using treated water as a coolant in split-ring floating head shell and tube heat exchanger. Water enters at 27C and leaves at 42C. Calculate overall heat transfer coefficient using Kerns method. Assume Uo as 500 W/m2C. Consider tube OD as 20mm, ID as 16mm and length as 4.88m. Tubes are made of material having k as 50 W/mC and arranged in triangular manner. Consider 1-2 pass as initial guess. Initial baffle spacing and baffle cut are Ds/5 and 25%, respectively. Neglect viscosity correction factor. Carry out only one iteration. Calculate tube side heat transfer coefficient. Properties at mean temperature are:
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Elementary Principles of Chemical Processes
Authors: Richard M. Felder, Ronald W. Rousseau
3rd Edition
978-0471687573, 9788126515820, 978-0-471-4152, 0471720631, 047168757X, 8126515821, 978-0471720638
