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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 /3136/CH6/EX6.2 | |
| 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 '3136/CH6/EX6.2')
| -rwxr-xr-x | 3136/CH6/EX6.2/Ex6_2.sce | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/3136/CH6/EX6.2/Ex6_2.sce b/3136/CH6/EX6.2/Ex6_2.sce new file mode 100755 index 000000000..a073072e3 --- /dev/null +++ b/3136/CH6/EX6.2/Ex6_2.sce @@ -0,0 +1,53 @@ +clear all; clc;
+
+disp("Assume as given Na=2400 rpm")
+disp("T1a=68 degrees Farenheit=528R,p1=14.7 psia,p2a=8.5psig=23.2 psia")
+disp("Qa=1800cfm,Eta=0.70 Nb=3600rpm and T1b=50 to 95 degrees Farenheit")
+
+Q_a=1800
+N_b=3600
+N_a=2400
+Q_b=Q_a*(N_b/N_a)
+printf("\n Qb= %0.0f cfm",Q_b)
+
+disp("((p2/p1)_b)^((k-1)/k)-1=(T1a/T1b)*[((p2/p1)_a)-1]*((Nb/Na)^2)")
+disp("On simplifying ((p2/p1)_b)=0.313*(T1a/T1b)")
+disp("We obtain p2b=14.7*[1+0.313*(T1a/T1b)]^3.5=36.6 to 39.3 psia")
+disp("Also Psb=rho_1b*Q_b*H_i/Eta={(p_1b/(R*T_1b))*Qb*Cp*T_1b*[(p2/p1)^((k-1)/k)-1]}/Eta")
+disp("Psb=[(3.5*14.7*144*2700/(550*60))*0.313*(T1a/T1b)]/0.7")
+disp("Psb=271*(T1a/T1b)=257.8 to 280.6hp")
+
+disp("From rho_0*Q_dash=rho_1*Q,we have the flow rate measured at the standard condition,Q_dashb=(rho_1b/rho_0)*Qb=(T0/T1b)*Qb=2795 to 2568 cfm")
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