diff options
Diffstat (limited to '965/CH7/EX7.57/57.sci')
| -rw-r--r-- | 965/CH7/EX7.57/57.sci | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/965/CH7/EX7.57/57.sci b/965/CH7/EX7.57/57.sci new file mode 100644 index 000000000..2089cb64d --- /dev/null +++ b/965/CH7/EX7.57/57.sci @@ -0,0 +1,19 @@ +clc;
+clear all;
+disp("heat transfer coefficient")
+s=20/1000;//m side of channel
+L=2.5;//m length of channel
+U=4.5;//m/s
+tb=30;// degree C
+ts=70;// degree C
+rho=995.7;// kg/m^3
+k=0.6175;// W/m.C
+v=0.805*10^(-6);// m^2/s
+Pr=5.42;
+Prs=2.55;// Pr at 70 degree C
+Deq=4*s*s/(4*s)//m
+Re=U*Deq/v
+Nu=0.021*Re^0.8*Pr^0.43*(Pr/Prs)^0.25
+h=Nu*k/Deq;
+disp("W/m^2.C",h,"heat transfer coefficient =")
+
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