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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 /497/CH9/EX9.3/Chap9_Ex3.sce | |
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diff --git a/497/CH9/EX9.3/Chap9_Ex3.sce b/497/CH9/EX9.3/Chap9_Ex3.sce new file mode 100755 index 000000000..0cceb0c04 --- /dev/null +++ b/497/CH9/EX9.3/Chap9_Ex3.sce @@ -0,0 +1,45 @@ +//Kunii D., Levenspiel O., 1991. Fluidization Engineering(II Edition). Butterworth-Heinemann, MA, pp 491
+
+//Chapter-9, Example 3, Page 232
+//Title: Design of Baffle Plates
+//==========================================================================================================
+
+clear
+clc
+
+//INPUT
+Gsup=1.5;//Solid interchange rate in kg/m^2plate s
+dor=19.1;//Orifice diameter in mm
+dp=210;//Particle size in micrometer
+uo=0.4;//Superficial gas velocity in m/s
+fopen=[0.12;0.17;0.26];//Open area fraction
+pi=3.14;
+
+//CALCULATION
+n=length(fopen);
+i=1;
+while i<=n
+ uor(i)=uo/fopen(i);//Gas velocity through the orifice
+ ls1(i)=Gsup/fopen(i);//Flux of solids through the holes
+ i=i+1;
+end
+ls2=[12;20;25];//Flux of solids through holes from Fig.13(c) for different uor values
+fopen1=0.12;//Open area fraction which gives reasonable fit
+lor=sqrt(((pi/4)*dor^2)/fopen1);//Orifice spacing
+
+//OUTPUT
+printf('\nfopen');
+printf('\t\tuor(m/s)');
+printf('\tls from Eqn.(18)');
+printf('\tls from Fig.13(c)');
+i=1;
+while i<=n
+ mprintf('\n%f',fopen(i));
+ mprintf('\t%f',uor(i));
+ mprintf('\t%f',ls1(i));
+ mprintf('\t\t%f',ls2(i));
+ i=i+1;
+end
+mprintf('\n\nFor square pitch, the orifice spacing should be %fmm',lor);
+
+//====================================END OF PROGRAM ======================================================
\ No newline at end of file |