diff options
| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /965/CH7/EX7.18/18.sci | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
| download | Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.gz Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.bz2 Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.zip | |
initial commit / add all books
Diffstat (limited to '965/CH7/EX7.18/18.sci')
| -rw-r--r-- | 965/CH7/EX7.18/18.sci | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/965/CH7/EX7.18/18.sci b/965/CH7/EX7.18/18.sci new file mode 100644 index 000000000..d6085eed0 --- /dev/null +++ b/965/CH7/EX7.18/18.sci @@ -0,0 +1,32 @@ +clc;
+clear all;
+disp("Heat transfer coefficient")
+Ta=20;// degree C
+Ts=100;// degree C
+U=1.8;//m/s
+L=2.2;//m
+B=1;//m
+//Properties of air
+rho=1.06;// kg/m^3
+cp=1005;//J/kg.C
+k=0.02894;// W/m.C
+Pr=0.696;
+v=18.97*10^(-6);//m^2/s
+
+Re=U*L/v;
+disp("Using exact solution: ")
+Nu=0.664*Re^0.5*Pr^(1/3);
+disp(Nu,"Nu =")
+
+h=Nu*k/L;
+disp(" W/m^2.C",h,"heat transfer coefficient =")
+Q=h*L*B*(Ts-Ta);
+disp("W",Q,"Heat transfer from plate =")
+disp("Using approximate solution: ")
+Nu=0.646*Re^0.5*Pr^(1/3);
+disp(Nu,"Nu =")
+h=Nu*k/L;
+disp(" W/m^2.C",h,"heat transfer coefficient =")
+Q=h*L*B*(Ts-Ta);
+disp("W",Q,"Heat transfer from plate =")
+
|