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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/CH24/EX24.26 | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '3733/CH24/EX24.26')
| -rw-r--r-- | 3733/CH24/EX24.26/Ex24_26.sce | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/3733/CH24/EX24.26/Ex24_26.sce b/3733/CH24/EX24.26/Ex24_26.sce new file mode 100644 index 000000000..07ffe9cd4 --- /dev/null +++ b/3733/CH24/EX24.26/Ex24_26.sce @@ -0,0 +1,25 @@ +// Example 24_26
+clc;funcprot(0);
+//Given data
+T_1=303;// K
+p_1=0.9;// bar
+p_2=4.5;// bar
+T_3=1000+273;// K
+p_3=1.1;// bar
+e=0.8;// Effectiveness of heat exchanger
+n_c=0.85;// Isentropic efficiency of compressor
+n_t=0.80;// Isentropic efficiency of turbine
+m_a=5;// kg/sec
+C_p=1.005;// kJ/kg.K
+r=1.4;// Specific heat ratio
+
+//Calculation
+T_2a=T_1*(p_2/p_1)^((r-1)/r);// K
+T_2=((T_2a-T_1)/n_c)+T_1;// K
+T_4a=T_3/(p_2/p_3)^((r-1)/r);// K
+T_4=T_3-(n_t*(T_3-T_4a));// K
+T_5=T_2+(e*(T_4-T_2));// K
+n_th=(((T_3-T_4)-(T_2-T_1))/(T_3-T_5))*100;// The thermal efficiency of the system in %
+P=m_a*C_p*((T_3-T_4)-(T_2-T_1));// The power developed by the system in kW
+printf('\nThe thermal efficiency of the system=%0.0f percentage \nThe power developing capacity of the system=%0.1f kW',n_th,P);
+// The answer provided in the textbook is wrong
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