Calculate the heat transfer

area required for a $1-1$ shell

and tube heat exchanger

which is used to cool $55000$

kg$/$hr of alcohol from $660$C

to $400$C using $40,000$ kg$/$hr

of water entering at $50$C$.$ U

$=580$ W$/$m$2$K$,$ consider a$)$

counter flow b$)$ parallel flow.

CP water $=4\mathrm{.}18$ x$103$ J$/$kg

K Cp alcohol $=3\mathrm{.}76$x$103$

J$/$kg K