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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 /51/CH11/EX11.14 | |
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initial commit / add all books
Diffstat (limited to '51/CH11/EX11.14')
| -rwxr-xr-x | 51/CH11/EX11.14/11_14.sce | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/51/CH11/EX11.14/11_14.sce b/51/CH11/EX11.14/11_14.sce new file mode 100755 index 000000000..4e6540df9 --- /dev/null +++ b/51/CH11/EX11.14/11_14.sce @@ -0,0 +1,24 @@ +clc;
+clear;
+T0=288;//K
+p0=101;//kPa(abs)
+l=2;//m
+D=0.1;//m
+f=0.02;
+pd=45;//kPa(abs)
+f=0.02;
+m=1.65;//kg/sec
+lnew=l/2;//m
+
+x=f*l/D;
+//from this value of x, Ma at exit is found as
+Ma=0.7;
+//and p2/pcritical is found as
+pratio=1.5;
+//and, from example 11.12,
+prat=1.7;//where prat=p1/pcritical
+pfraction=0.76;//where pfraction=p1/p0,1
+//Hence,
+p2=pratio*(1/prat)*pfraction*p0;//kPa(abs)
+disp(Ma,"The Mach number at the exit=")
+disp("kPa(abs)",p2,"The back pressure required=")
\ No newline at end of file |