alcohol (C, at a rate of m= kg/s. The heating is to be done by water (C₂ 4190 J/kg °C) that enters the shell at 95°C and leaves at 60°C. If the overall heat transfer coefficient is 800 W/m². °C, determine the heat transfer surface area of the heat exchanger using (a) the LMTD method and (b) the ɛ-NTU method. . A shell-and-tube heat exchanger with 2-shell passes and 8-tube passes is used to heat ethyl 2670 J/kg °C) in the tubes from 25°C to 70°C = . =

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A shell-and-tube heat exchanger with 2-shell
passes and 8-tube passes is used to heat ethyl
alcohol (C₂ = 2670 J/kg °C) in the tubes from 25°C to 70°C
at a rate of m= kg/s. The heating is to be done by water (C₁ =
4190 J/kg °C) that enters the shell at 95°C and leaves at
60°C. If the overall heat transfer coefficient is 800 W/m². °C,
determine the heat transfer surface area of the heat exchanger
using (a) the LMTD method and (b) the ɛ-NTU method.
Transcribed Image Text:A shell-and-tube heat exchanger with 2-shell passes and 8-tube passes is used to heat ethyl alcohol (C₂ = 2670 J/kg °C) in the tubes from 25°C to 70°C at a rate of m= kg/s. The heating is to be done by water (C₁ = 4190 J/kg °C) that enters the shell at 95°C and leaves at 60°C. If the overall heat transfer coefficient is 800 W/m². °C, determine the heat transfer surface area of the heat exchanger using (a) the LMTD method and (b) the ɛ-NTU method.
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