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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /914/CH4/EX4.3 | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '914/CH4/EX4.3')
| -rwxr-xr-x | 914/CH4/EX4.3/ex4_3.sce | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/914/CH4/EX4.3/ex4_3.sce b/914/CH4/EX4.3/ex4_3.sce new file mode 100755 index 000000000..ad45a7a0b --- /dev/null +++ b/914/CH4/EX4.3/ex4_3.sce @@ -0,0 +1,27 @@ +clc;
+warning('off');
+printf("\n\n example4.3 - pg100");
+// given
+km=9.92; //[Btu/h*ft*degF]
+Alm=0.242*(12/5); //[ft^2]
+T1=0; //[degC]
+T2=10; //[degC]
+deltaT=(T1-T2)*1.8; //[degF]
+r2=1.1875;
+r1=1.0335;
+deltar=(r2-r1)/12; //[ft]
+// using the formula Qr/Alm=-km*(deltaT/deltar)
+Qr=(-km*(deltaT/deltar))*Alm;
+printf("\n\n qr=%fBtu/h",Qr);
+// in SI units
+Alm=0.177; //[m^2]
+T1=0; //[degC]
+T2=10; //[degC]
+km=17.17; //[W/m*K]
+r2=1.1875;
+r1=1.0335;
+deltaT=T1-T2;
+deltar=(r2-r1)*0.0254; //[m]
+// using the same formula
+Qr=(-km*(deltaT/deltar))*Alm;
+printf("\n\n qr=%fW",Qr);
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