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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3831/CH15/EX15.10 | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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Diffstat (limited to '3831/CH15/EX15.10')
| -rw-r--r-- | 3831/CH15/EX15.10/Ex15_10.sce | 35 |
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diff --git a/3831/CH15/EX15.10/Ex15_10.sce b/3831/CH15/EX15.10/Ex15_10.sce new file mode 100644 index 000000000..afc29fb37 --- /dev/null +++ b/3831/CH15/EX15.10/Ex15_10.sce @@ -0,0 +1,35 @@ +// Example 15_10
+clc;funcprot(0);
+// Given data
+T=25.0;// °C
+p=0.100;// MPa
+
+// Calculation
+// (a)
+h_f_C8H18=-249.952;// MJ/kgmole
+h_fuel=h_f_C8H18;// MJ/kgmole
+h_f_CO2=-393.522;// MJ/kgmole
+h_f_H2O_g=-241.827;// MJ/kgmole
+h_f_N_2=0;// MJ/kgmole
+h_fi=(8*h_f_CO2)+(9*h_f_H2O_g)+(47*h_f_N_2);// MJ/kgmole of C8H18
+c_p_CO2=0.05818;// MJ/kgmole.K
+c_p_H2O=0.04250;// MJ/kgmole.K
+c_p_N2=0.03118;// MJ/kgmole.K
+c_pi_avg=(8*c_p_CO2)+(9*c_p_H2O)+(47*c_p_N2);// MJ/kgmole of C8H18.K
+T_Aos=((h_f_C8H18-(h_fi))/c_pi_avg)*1.8;// °F
+printf("\n(a)The open system (constant pressure) adiabatic flame temperature burning with 100.percent theoretical air,T_A|open system=%4.0f°F",T_Aos);
+// (b)
+c_p_O2=0.03299;// MJ/(kgmole).K
+c_pi_avg=(8*c_p_CO2)+(9*c_p_H2O)+(12.5*c_p_O2)+(94*c_p_N2);// MJ/kgmole of C8H18.K
+T_Aos=(((h_f_C8H18-(h_fi))/c_pi_avg)+T)*1.8;// °F
+printf("\n(b)The open system (constant pressure) adiabatic flame temperature burning with 200.percent theoretical air,T_A|open system=%4.0f°F",T_Aos)
+// (c)
+R=0.0083143;// // MJ/kgmole.K
+N=h_fuel-h_fi-((R*(T+273.15))*[1+(12.4*4.76)-(8+9+47)]);// The numerator in MJ/kgmole of C8H18.K
+c_v_CO2=0.04987;// MJ/kgmole.K
+c_v_H2O=0.03419;// MJ/kgmole.K
+c_v_N2=0.02287;// MJ/kgmole.K
+c_vi_avg=(8*c_v_CO2)+(9*c_v_H2O)+(47*c_v_N2);// MJ/kgmole.K
+T_Acs=T+(N/c_vi_avg);// The denominator in MJ/kgmole of C8H18.K
+T_Acs=(T_Acs*1.8)+32;// °F
+printf("\n(c)The closed system (constant volume) adiabatic flame temperature burning with 100.percent theoretical air,T_A|closed system=%4.0f°F",T_Acs);
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