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Diffstat (limited to '3685/CH15/EX15.11/Ex15_11.sce')
-rw-r--r-- | 3685/CH15/EX15.11/Ex15_11.sce | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/3685/CH15/EX15.11/Ex15_11.sce b/3685/CH15/EX15.11/Ex15_11.sce new file mode 100644 index 000000000..1df943591 --- /dev/null +++ b/3685/CH15/EX15.11/Ex15_11.sce @@ -0,0 +1,24 @@ +
+clc
+// Given that
+DBT = 31 // Dry bulb temperature in degree celsius
+WBT = 18.5 // Wet bulb temperature in degree celsius
+t = 4.4 // Effective surface temperature of coil in degree celsius
+RE = 12.5 // Refrigeration effect by the coil in kW
+f= 39.6 // Air flow rate in cmm
+printf("\n Example 15.11 \n")
+// From the fig. given in the example
+ws = 5.25 //In g/kg d.a.
+hs = 17.7 //In kJ/kg d.a.
+v1 = 0.872 // In m^3/kg d.a.
+h1 = 52.5 // In kJ/kg d.a.
+w1 = 8.2 // In g/kg d.a.
+G = f/v1
+h2 = h1-(RE*60)/G
+w2 = w1-((h1-h2)/(h1-hs))*(w1-ws)
+// From the psychrometric chart
+t2 = 18.6 // In degree celsius
+t_ = 12.5 // In degree celsius
+x = (h2-hs)/(h1-hs)
+printf("\n DBT of air leaving the coil is %f degree celsius,\n WBT of air leaving the coil is %f degree celsius,\n Coil bypass factor is %f ",t2,t_,x)
+// Answer varies due to round off error
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