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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 /3434/CH4/EX4.5/Ex4_5.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 '3434/CH4/EX4.5/Ex4_5.sce')
| -rw-r--r-- | 3434/CH4/EX4.5/Ex4_5.sce | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/3434/CH4/EX4.5/Ex4_5.sce b/3434/CH4/EX4.5/Ex4_5.sce new file mode 100644 index 000000000..2762e83e8 --- /dev/null +++ b/3434/CH4/EX4.5/Ex4_5.sce @@ -0,0 +1,33 @@ +// given data
+clc
+// most of the data is used is from previous example:
+phi=27.166 // in degree
+n=17 // day
+ws=78.66 // degrees
+dlta=-20.96 // in degrees
+Ho=22926.408 // kj/m^2 per day
+Hg=14450.418 // kj/m^2 per day
+Hd=5266.2473 // kj/m^2 per day
+
+w=(11.5-12)*15 // in degrees
+
+Io=3600*1.367*(1+0.033*cosd(360*17/365.0))*(cosd((phi))*cosd((dlta))*cosd((w)))+sind((dlta))*sind((phi))
+
+a=0.409+0.5016*sind(ws-60)
+b=0.6609-0.4767*sind(ws-60)
+
+Ig=Hg*(a+b*cosd(w))*Io/Ho // in kJ/m^2-h
+
+printf("The monthly average of hourly global radiation is %.2f kJ/m^2-h",Ig)
+
+adash=0.4922+(0.27/(Hd/Hg))
+bdash=2*(1-adash)*(sind(ws)-1.7328*cosd(78.66))/(1.7328-0.5*sind(2*78.66))
+
+
+Id=5259.6*(1.2321-0.3983*cosd((w)))*Io/Ho // kJ/m^2-h
+
+
+
+printf("\n The hourly diffuse radiations are %.2f kJ/m^2-h",Id)
+
+// the solution in the textbook is wrong as the value of b and bdash are wrong
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