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| 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/EX7.42/42.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/EX7.42/42.sci')
| -rw-r--r-- | 965/CH7/EX7.42/42.sci | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/965/CH7/EX7.42/42.sci b/965/CH7/EX7.42/42.sci new file mode 100644 index 000000000..909012ba9 --- /dev/null +++ b/965/CH7/EX7.42/42.sci @@ -0,0 +1,26 @@ +clc;
+clear all;
+disp("heat transfer from plate")
+L=0.8;//m
+U=45;//m/s
+ts=300;//degree C
+ta=20;// degree C
+Re=5*10^5;
+k=0.03638;// W/m.C
+v=30.08*10^(-6);//m^2/s
+Pr=0.682;
+xc=Re*v/U;
+h=0.664*(k/xc)*Re^0.5*Pr^(1/3);
+A=xc*1;
+Qlam=h*A*(ts-ta);
+disp("W",Qlam,"Heat transfer from laminar portion =")
+ReL=U*L/v;
+h=0.036*k/(L-xc)*(ReL^0.8-Re^0.8)*Pr^(1/3)
+Qturb=h*(0.8-A)*(ts-ta);
+disp("W",Qturb,"Heat transfer from turbulent portion =")
+Qtotal=Qlam+Qturb;
+disp("W",Qtotal,"Heat transfer from both portions =")
+h=0.036*k/L*(ReL^0.8)*Pr^(1/3);
+Qt=h*L*(ts-ta);
+e=(Qt/Qtotal-1)*100;
+disp("%",e,"Percentage error =")
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