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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 /1472/CH15 | |
| 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 '1472/CH15')
| -rwxr-xr-x | 1472/CH15/EX15.1/15_1.sce | 28 | ||||
| -rwxr-xr-x | 1472/CH15/EX15.2.a/15_2a.sce | 16 | ||||
| -rwxr-xr-x | 1472/CH15/EX15.2.b/15_2b.sce | 20 |
3 files changed, 64 insertions, 0 deletions
diff --git a/1472/CH15/EX15.1/15_1.sce b/1472/CH15/EX15.1/15_1.sce new file mode 100755 index 000000000..eb8300da1 --- /dev/null +++ b/1472/CH15/EX15.1/15_1.sce @@ -0,0 +1,28 @@ +clc
+//initialization of varaibles
+e=0.85
+disp("From Mollier chart and table 3,")
+h1=1474.5 //B/lb
+s1=1.5603 //B/lb R
+h2s=1277.5 //B/lb
+//calculations
+h2=h1-e*(h1-h2s)
+h3=1522.4 //B/lb
+h4s=948 //B/lb
+h4=h3-e*(h3-h4s)
+h5=47.6 //B/lb
+h6=53.5 //B/lb
+h7s=840 //B/lb
+h7=h1-e*(h1-h7s)
+h8=1493.2 //B/lb
+h9s=866 //B/lb
+h9=h8-e*(h8-h9s)
+h11=51.5 //B/lb
+eta1=0.401
+eta2=0.375
+eta3=0.366
+IE1=(eta1-eta2)/eta2
+IE2=(eta1-eta3)/eta3
+//results
+printf("Improvement in efficiency = %d percent",IE1*100 +1)
+printf("\nImprovement in efficiency in case 2= %.1f percent",IE2*100)
diff --git a/1472/CH15/EX15.2.a/15_2a.sce b/1472/CH15/EX15.2.a/15_2a.sce new file mode 100755 index 000000000..db7495737 --- /dev/null +++ b/1472/CH15/EX15.2.a/15_2a.sce @@ -0,0 +1,16 @@ +clc
+//initialization of varaibles
+disp("From mollier chart and table 3,")
+h1=1371 //B/lb
+h2s=1149 //B/lb
+h3=118 //B/lb
+e=0.9
+disp("Neglecting pump work,")
+Q1=h1-h3
+W=156 //B/lb
+eta1=W/Q1
+Q=h1-W-h3
+UE=W+e*Q
+fraction = UE/Q1
+//results
+printf("Fraction supplied = %.2f",fraction)
diff --git a/1472/CH15/EX15.2.b/15_2b.sce b/1472/CH15/EX15.2.b/15_2b.sce new file mode 100755 index 000000000..e4e20723f --- /dev/null +++ b/1472/CH15/EX15.2.b/15_2b.sce @@ -0,0 +1,20 @@ +clc
+//initialization of varaibles
+disp("From mollier chart and table 3,")
+h1=1371 //B/lb
+h2s=1149 //B/lb
+h3=118 //B/lb
+e=0.23
+e2=0.9
+disp("Neglecting pump work,")
+Q1=h1-h3
+W=156 //B/lb
+eta1=W/Q1
+Q=h1-W-h3
+We=W/e
+UE=We+Q
+UE1=W+e2*Q
+Q2=Q+We
+fraction = UE1/UE
+//results
+printf("Fraction supplied = %.2f",fraction)
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