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author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
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committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3685/CH8/EX8.14/Ex8_14.sce | |
parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '3685/CH8/EX8.14/Ex8_14.sce')
-rw-r--r-- | 3685/CH8/EX8.14/Ex8_14.sce | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/3685/CH8/EX8.14/Ex8_14.sce b/3685/CH8/EX8.14/Ex8_14.sce new file mode 100644 index 000000000..8f19c4c4c --- /dev/null +++ b/3685/CH8/EX8.14/Ex8_14.sce @@ -0,0 +1,19 @@ +clc
+cp = 1.005 // Specific heat capacity of air in kJ/kgK
+T2 = 160 // Compressed air temperature in degree Celsius
+T1 = 25 // Ambient temperature
+T0 = 25 // Ambient temperature
+R = 0.287 // Gas constant
+P2 = 8 // Pressure ratio
+P1 = 1 // Initial pressure of gas in bar
+Q = -100 // Heat loss to surrounding in kW
+m = 1 // Mass flow rate in kg/s
+
+printf("\n Example 8.14")
+W = Q + m*cp*((T1+273)-(T2+273)) // power input
+AF = cp*((T2+273)- (T1+273))-(T0+273)*((cp*log((T2+273)/(T1+273))-(R*log(P2/P1)))) // Availability
+e = AF/-W // efficiency
+printf("\n The power input is %f kW",W)
+printf(" \n The second law efficiency of the compressor is %f percent",e*100)
+//The answers vary due to round off error
+
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