Question
Transcribed Text
(c)
For linear wall heating, q: = ax, the fluid temperature distribution along the length of the tube is
quadratic. From the convection rate equation,
(6)
For fully developed flow conditions, h(x) - h is a constant; hence, T1(x) Tn(x) increases linearly with x.
For developing conditions, h(x) will decrease with increasing distance along the tube eventually
achieving the fully developed value.
Tm(x), Tg(x)
Ts(x)
Fully developed
Developing
Tm,olx)
Tm(x)
Tm,(xx
x
L
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T_mi=27;mdot=450;
a=20;
L=30;
x=0:L;
cp=4179;
T_m=@(x) T_mi+3600*a*x.^2/(2*mdot*cp);
T_mean=mean(T_m(x));...
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