From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001 From: prashantsinalkar Date: Tue, 10 Oct 2017 12:27:19 +0530 Subject: initial commit / add all books --- 1808/CH4/EX4.12/Chapter4_Example12.sce | 37 ++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 1808/CH4/EX4.12/Chapter4_Example12.sce (limited to '1808/CH4/EX4.12/Chapter4_Example12.sce') diff --git a/1808/CH4/EX4.12/Chapter4_Example12.sce b/1808/CH4/EX4.12/Chapter4_Example12.sce new file mode 100644 index 000000000..2364593bc --- /dev/null +++ b/1808/CH4/EX4.12/Chapter4_Example12.sce @@ -0,0 +1,37 @@ +clc +clear +//INPUT DATA +p1=5;//pressure in bar +p2=0.1;//pressure in bar +m=5;//mass flow rate in kJ/s +h4=191.8;//Enthalpy in kJ/kg +h10=2584.7;//Enthalpy in kJ/kg +S4=0.649;//Entropy in kJ/kg.K +S10=8.15;//Entropy in kJ/kg.K +V4=0.001001;//Specific volume in m^3/kg +h6=640.1;//Enthalpy in kJ/kg +h9=2747.5;//Enthalpy in kJ/kg +S6=1.8604;//Entropy in kJ/kg.K +S9=6.8192;//Entropy in kJ/kg.K +x2=0.9;//Quality of steam +Qs=70000;//heat added in boiler in kW + + +//CALCULATIONS +h2=h6+(x2*(h9-h6));//Enthalpy in kJ/kg +h5=h4+(V4*(p1-p2));//Enthalpy in kJ/kg +Wp1=h5-h4;//Pump work in kJ/kg +mf=((m*(h2-h5))/(h6-h5));//mass flow rate in kJ/s +h1=((Qs/mf)+h6);//Enthalpy in kJ/kg +S2=S6+(x2*(S9-S6));//Entropy in kJ/kg.K +x3=((S2-S4)/(S10-S4));//quality of steam +h3=h4+(x3*(h10-h4));//Enthalpy in kJ/kg +Wt=(mf*(h1-h2))+(mf-m)*(h2-h3);//Turbine work in kJ/kg +nR=((Wt-Wp1)/Qs)*100;//thermal efficiency in percentage +Wn=Wt-Wp1;//work in kJ/s +ssc=(mf*3600)/Wn;//specific steam consumption in kg/kW.hr +R=Wn/Wt;//Work ratio + +//OUTPUT +printf('(i) The Mass flow rate of steam is %3.1f kg/s \n (ii) Thermal efficiency of rankine cycle is %3.1f percentage \n (iii) Specific steam consumption is %3.2f kg/kWhr \n (iv) Work ratio is approximately equal to %f',mf,nR,ssc,R) + -- cgit