7 A shell-and-tube process heater is to be selected to ater (C, = 4190 J/kg · °C) from 20°C to 90°C by steam g on the shell side. The heat transfer load of the heater is V. If the inner diameter of the tubes is 1 cm and the ve- of water is not to exceed 3 m/s, determine how many

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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23–107 A shell-and-tube process heater is to be selected to
heat water (C, = 4190 J/kg · °C) from 20°C to 90°C by steam
flowing on the shell side. The heat transfer load of the heater is
600 kW. If the inner diameter of the tubes is 1 cm and the ve-
locity of water is not to exceed 3 m/s, determine how many
tubes need to be used in the heat exchanger.
Steam
90°C
20°C
Water
FIGURE P23-107
Transcribed Image Text:23–107 A shell-and-tube process heater is to be selected to heat water (C, = 4190 J/kg · °C) from 20°C to 90°C by steam flowing on the shell side. The heat transfer load of the heater is 600 kW. If the inner diameter of the tubes is 1 cm and the ve- locity of water is not to exceed 3 m/s, determine how many tubes need to be used in the heat exchanger. Steam 90°C 20°C Water FIGURE P23-107
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