diff options
Diffstat (limited to '965/CH7/EX7.11/11.sci')
| -rw-r--r-- | 965/CH7/EX7.11/11.sci | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/965/CH7/EX7.11/11.sci b/965/CH7/EX7.11/11.sci new file mode 100644 index 000000000..68d38f47d --- /dev/null +++ b/965/CH7/EX7.11/11.sci @@ -0,0 +1,22 @@ +clc;
+clear all;
+disp("Local HT coefficient")
+
+U=5;//m/s velocity of air
+rho=0.815;//kg/m^3 density of air
+k=0.0364;// W/(m.C)
+mu=24.5*10^(-6);//Ns/m^2 viscosity of air
+Pr=0.7;// Prandlt number
+Ts=200;// degree C
+Ta=120;// degree C
+x=0.5;//m width of plate
+v=mu/rho;
+Rex=U*x/v;// Reynold's number
+Rex
+delta=5*x*1000/(Rex)^0.5;//mm
+disp("mm",delta,"Boundary layer thickness =")
+deltath=delta/(Pr)^(1/3);
+disp("mm",deltath,"Thickness of thermal boundary level =")
+hx=0.332*(k/x)*(Rex)^0.5*Pr^(1/3);
+disp("W/(m^2.C)",hx,"Local convective heat transfer coefficient, hx =")
+
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