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Diffstat (limited to '3733/CH22/EX22.4/Ex22_4.sce')
-rw-r--r-- | 3733/CH22/EX22.4/Ex22_4.sce | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/3733/CH22/EX22.4/Ex22_4.sce b/3733/CH22/EX22.4/Ex22_4.sce new file mode 100644 index 000000000..7d6b9b48f --- /dev/null +++ b/3733/CH22/EX22.4/Ex22_4.sce @@ -0,0 +1,26 @@ +// Example 22_4
+clc;funcprot(0);
+//Given data
+p_1=90;// bar
+T_1=480;// °C
+p_2=12;// bar
+p_3=0.07;// bar
+m=1;// Steam flow rate in kg/sec
+
+//Calculation
+//From h-s chart:
+h_1=3333.5;// kJ/kg
+h_2=2815;// kJ/kg
+h_3=3425.5;// kJ/kg
+h_4=2364;// kJ/kg
+//From steam tables at p=0.07 bar
+h_f5=161.8;// kJ/kg
+v_sw1=0.001013;// m^3/kg
+h_6=h_f5+((v_sw1*(p_1-p_3)*10^5)/(1000*m));// kJ/kg
+W_p=(h_6-h_f5);// Pump work in kJ/kg
+W_net=(h_1-h_2)+((h_3-h_4))-W_p;// Net Work done in kJ/kg
+P=W_net*m;// Power generating capacity of the plant in kW
+H_s=(h_1-h_6)+(h_3-h_2);// Heat supplied per kg of steam in kJ/kg
+n=(W_net/H_s)*100;// Efficiency of the cycle
+printf('\nEfficiency of the cycle=%0.1f percentage \nNet work done per kg steam=%0.1f kJ/kg',n,W_net);
+// The answer vary due to round off error
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