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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 /3733/CH22/EX22.21/Ex22_21.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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| -rw-r--r-- | 3733/CH22/EX22.21/Ex22_21.sce | 28 |
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diff --git a/3733/CH22/EX22.21/Ex22_21.sce b/3733/CH22/EX22.21/Ex22_21.sce new file mode 100644 index 000000000..e4a169780 --- /dev/null +++ b/3733/CH22/EX22.21/Ex22_21.sce @@ -0,0 +1,28 @@ +// Example 22_21
+clc;funcprot(0);
+//Given data
+p_1=30;// bar
+T_1=550;// °C
+p_2=2.6;// bar
+p_3=0.2;// bar
+m_s=30;// kg/sec
+
+//Calculation
+//From h-s chart:
+h_1=3580;// kJ/kg
+h_2=2870;// kJ/kg
+h_3=2440;// kJ/kg
+// From steam tables
+h_f2=541;// kJ/kg
+h_f3=251.5;// kJ/kg
+function[X]=mass(y)
+ X(1)= (y(1)*(h_2-h_f2))-((1-y(1))*(h_f2-h_f3));
+endfunction
+y=[0.1];
+z=fsolve(y,mass);
+m=z(1);// kg
+P=m_s*((h_1-h_2)+((1-m)*(h_2-h_3)))/1000;// MW
+n_r=((h_1-h_3)/(h_1-h_f3))*100;// The efficiency of the rankine cycle in %
+n_b=(((h_1-h_2)+((1-m)*(h_2-h_3)))/(h_1-h_f2))*100;
+printf('\nThe power generating capacityof the plant=%0.2f MW \nThe efficiency of the rankine cycle=%0.0f percentage \nThe efficiency of the cycle with bled heating=%0.0f percentage',P,n_r,n_b);
+// The answer vary due to round off error
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