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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/CH25/EX25.3/25_3.sce | |
| 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/CH25/EX25.3/25_3.sce')
| -rwxr-xr-x | 1472/CH25/EX25.3/25_3.sce | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/1472/CH25/EX25.3/25_3.sce b/1472/CH25/EX25.3/25_3.sce new file mode 100755 index 000000000..1ba6e408a --- /dev/null +++ b/1472/CH25/EX25.3/25_3.sce @@ -0,0 +1,31 @@ +clc
+//initialization of varaibles
+disp("From the psychrometric chart,")
+ha=12.9 //B/lb
+g1=0.0032 //lb water/ lb dry air
+g2=0.0078 //lb water/ lb dry air
+hl=13 //B/lb
+hd=25.33 //B/lb
+p=14.7 //psia
+phi=0.6
+cp=0.24
+t2=70 //F
+//calculations
+wl=g2-g1
+Q=hd-ha-wl*hl
+pg=0.1217 //psia
+pa=p-pg
+G1=0.622*pg*phi/pa
+G2=0.00788
+wl2=G2-G1
+t1=40 //F
+hw1=1061.8 + 0.44*t1
+hw2=1092.6 //B/lb
+Q2=cp*(t2-t1) + G2*hw2 -G1*hw1 - wl2*hl
+//results
+printf("Method 1")
+printf("\n Water to be supplied = %.4f lb/lb of dry air",wl)
+printf("\n heat supplied = %.1f B/lb of dry air",Q)
+printf("\n Method 2")
+printf("\n Water to be supplied = %.5f lb/lb of dry air",wl2)
+printf("\n heat supplied = %.1f B/lb of dry air",Q2)
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