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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 /3843/CH8/EX8.7 | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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Diffstat (limited to '3843/CH8/EX8.7')
| -rw-r--r-- | 3843/CH8/EX8.7/Ex8_7.sce | 26 |
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diff --git a/3843/CH8/EX8.7/Ex8_7.sce b/3843/CH8/EX8.7/Ex8_7.sce new file mode 100644 index 000000000..2eb1d6701 --- /dev/null +++ b/3843/CH8/EX8.7/Ex8_7.sce @@ -0,0 +1,26 @@ +// Example 8_7
+clc;funcprot(0);
+// Given data
+P_3=600;// psia
+T_3=1000;// °F
+P_4=40;// psia
+T_4=600;// °F
+P_6=2;// psia
+
+// Calculation
+// We have from Example 8.5 and the steam tables
+h_1=94;// Btu/lbm
+h_2=h_1;// Btu/lbm
+h_8=236;// Btu/lbm
+h_3=1518;// Btu/lbm
+h_7=h_8;// Btu/lbm
+h_5=1333;// Btu/lbm
+h_6=1086;// Btu/lbm
+h_4=1200;// Btu/lbm
+m_6=1;// kg
+m_4=((h_8-h_2)/(h_4-h_2))*m_6;// lbm
+m_2=m_6-m_4;// lbm
+w_T=(h_3-h_4)+((h_5-h_6)*m_2);// The work output from the turbine in Btu/lbm
+q_B=h_3-h_8+((h_5-h_4)*m_2);// Btu/lbm
+n=w_T/q_B;// The efficiency of the reheat-regeneration cycle
+printf("\nThe efficiency of the reheat-regeneration cycle,n=%0.3f or %2.1f percentage.",n,n*100);
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