From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001 From: prashantsinalkar Date: Tue, 10 Oct 2017 12:27:19 +0530 Subject: initial commit / add all books --- 3685/CH16/EX16.13/Ex16_13.sce | 33 +++++++++++++++++++++++++++++++++ 3685/CH16/EX16.13/Ex16_13.txt | 5 +++++ 2 files changed, 38 insertions(+) create mode 100644 3685/CH16/EX16.13/Ex16_13.sce create mode 100644 3685/CH16/EX16.13/Ex16_13.txt (limited to '3685/CH16/EX16.13') diff --git a/3685/CH16/EX16.13/Ex16_13.sce b/3685/CH16/EX16.13/Ex16_13.sce new file mode 100644 index 000000000..0bc3c7c75 --- /dev/null +++ b/3685/CH16/EX16.13/Ex16_13.sce @@ -0,0 +1,33 @@ + +clc +// Environment +T0 = 298.15 // Environment temperature in K +P0 = 1 // Atmospheric pressure in atm +R = 8.3143// Gas constant +xn2 = 0.7567 // mole fraction of nitrogen +xo2 = 0.2035 // mole fraction of oxygen +xh2o = 0.0312 // mole fraction of water +xco2 = 0.0003// mole fraction of carbon dioxide +xother = 0.0083 // Mole fraction of other gases +// Liquid octane +t1 = 25 // Temperature of liquid octane in degree centigrade +m = 0.57 // Mass flow rate in kg/h +T2 = 670 // Temperature of combustion product at exit in K +x1 = 0.114 // Mole fraction of CO2 +x2 = .029 // Mole fraction of CO +x3 = .016 // Mole fraction of O2 +x4 = .841 // Mole fraction of N2 +Wcv = 1 // Power developed by the engine in kW +printf("\n Example 6.13\n") +// By carbon balance +b = 55.9 +// By hydrogen balance +c=9 +// By oxygen balance +a = 12.58 +Qcv = Wcv- 3845872*(.57/(3600*114.22)) +E = 5407843 // Chemical exergy of C8H18 +nII = Wcv/(E*.57/(3600*114.22)) +printf("\n The rate of heat transfer from the engine = %f kW,\n The second law of efficiency of the engine = %f percent",Qcv,nII*100) + + diff --git a/3685/CH16/EX16.13/Ex16_13.txt b/3685/CH16/EX16.13/Ex16_13.txt new file mode 100644 index 000000000..364c35d6d --- /dev/null +++ b/3685/CH16/EX16.13/Ex16_13.txt @@ -0,0 +1,5 @@ + + Example 6.13 + + The rate of heat transfer from the engine = -4.331201 kW, + The second law of efficiency of the engine = 13.339690 percent \ No newline at end of file -- cgit