diff options
Diffstat (limited to '965/CH7/EX7.48')
| -rw-r--r-- | 965/CH7/EX7.48/48.sci | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/965/CH7/EX7.48/48.sci b/965/CH7/EX7.48/48.sci new file mode 100644 index 000000000..27cbb7cb9 --- /dev/null +++ b/965/CH7/EX7.48/48.sci @@ -0,0 +1,19 @@ +clc;
+clear all;
+disp("heat transfer rate")
+d=300/1000;//m diameter
+L=3.5;//m
+delT=40;//degree C =ts-ti
+f=0.022;// friction factor
+St=f/2;
+disp("The energy balance yields Q=h*A*(ts-ta)=m*cp*(to-ti)")
+disp("h*(%pi*D*L)*(ts-(to+ti)/2)=rho*(%pi*D^2*U/4)*cp(to-ti)")
+disp("(h/(rho*U*cp))*L*(ts-to+ts-ti)/2=D/4*(to-ti)")
+disp("St*L/2*(ts-to+ts-ti)=D/4*((ts-ti)-(ts-to))")
+disp("f/8*L/2*(ts-to+ts-ti)=D/4*((ts-ti)-(ts-to))")
+disp("thus by putting the values, ")
+
+t1=(d/4-f/8*L/2)*delT/(f/8*L/2+d/4)// ts-to
+t=delT-t1;
+disp("degree C",t,"Rise in the temperature of fluid at the end =")
+
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