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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 /1808/CH4/EX4.6/Chapter4_Example6.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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Diffstat (limited to '1808/CH4/EX4.6/Chapter4_Example6.sce')
| -rw-r--r-- | 1808/CH4/EX4.6/Chapter4_Example6.sce | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/1808/CH4/EX4.6/Chapter4_Example6.sce b/1808/CH4/EX4.6/Chapter4_Example6.sce new file mode 100644 index 000000000..2847a33b7 --- /dev/null +++ b/1808/CH4/EX4.6/Chapter4_Example6.sce @@ -0,0 +1,38 @@ +clc
+clear
+//INPUT DATA
+pb=15;//Saturated vapour in bar
+pc=0.1;//Saturated liquid in bar
+pcr=0.05;//Saturated liquid in bar
+x2=0.95;//Quality of steam
+m=50;//Steam flow rate
+Tmax=350;//temperature in degree C
+Tmin=45.8;//temperature in degree C
+h1=3147.5;//Enthalpy in kJ/kg
+S1=7.102//Entropy in kJ/kg.K
+h41=191.8;//Enthalpy in kJ/kg
+v41=0.001001;//Specific volume in m^3/kg
+h7=2584.7;//Enthalpy in kJ/kg
+h4=137.8;//Enthalpy in kJ/kg
+v4=0.001005//Specific volume in m^3/kg
+S6=8.395;//Entropy in kJ/kg.K
+S4=0.476;//Entropy in kJ/kg.K
+h6=2561.5;//Enthalpy in kJ/kg
+
+//CALCULATIONS
+h2=h41+x2*(h7-h41);//Enthalpy in kJ/kg
+x3=((S1-S4)/(S6-S4));//quality of steam
+h3=h4+x3*(h6-h4);//Enthalpy in kJ/kg
+h51=h41+v41*(pb-pc);//Enthalpy in kJ/kg
+h5=h4+v4*(pb-pcr);//Enthalpy in kJ/kg
+nRi=(((h1-h2)-(h51-h41))/(h1-h51))*100;//Ideal rankine efficiency
+P=(m*((h1-h2)-(h51-h41)));//Power in kW
+ssc=((m*3600)/P);//Specific steam consumption in kg/kW.hr
+nC=((Tmax-Tmin)/(Tmax+273))*100;//carnot efficiency in percentage
+nRi1=(((h1-h3)-(h5-h4))/(h1-h5));//Change in rankine efficiency
+P1=(m*((h1-h3)-(h5-h4)));//power in kW
+ssc1=((m*3600)/P1);//Specific steam consumption in kg/kW.hr
+
+
+//OUTPUT
+printf('(i) The Ideal Rankine efficiency is %3.1f percent \n(ii) The specific steam consumption is %3.3f kg/kwh \n(iii)The carnot efficiency for temp limits is %3.1f percent\n(iv)change in rankine efficiency is %3.2f kg/kW.hr',nRi,ssc,nC,ssc1)
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