From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 611/CH5/EX5.14/Chap5_Ex14_R1.sce | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100755 611/CH5/EX5.14/Chap5_Ex14_R1.sce (limited to '611/CH5/EX5.14') diff --git a/611/CH5/EX5.14/Chap5_Ex14_R1.sce b/611/CH5/EX5.14/Chap5_Ex14_R1.sce new file mode 100755 index 000000000..1453c379f --- /dev/null +++ b/611/CH5/EX5.14/Chap5_Ex14_R1.sce @@ -0,0 +1,35 @@ +// Y.V.C.Rao ,1997.Chemical Engineering Thermodynamics.Universities Press,Hyderabad,India. + +//Chapter-5,Example 14,Page 182 +//Title: Power output of turbine +//================================================================================================================ +clear +clc + +//INPUT +P=3;//pressure of superheated steam in MPa +T_enter=300;//entrance temperature of superheated steam in degree celsius +T_exit=45;//final temperature at which the steam leaves in degree celsisus +m=1;//mass flow rate of steam in kg/s + +//CALCULATION + +//From steam tables corresponding to P and T_enter +si=6.5422;//entropy of steam at the entrance in kJ/kgK +hi=2995.1;//entahlpy of steam at the entrance in kJ/kg + +//From steam tables corresponding to T_exit +sf=0.6383;//entropy of saturated liquid in kJ/kgK +hf=188.35;//enthalpy of saturated liquid in kJ/kg +sg=8.1661;//entropy of saturated vapour in kJ/kgK +hg=2583.3;//entahlpy of saturayed vapour in kJ/kg + +Xe=(si-sf)/(sg-sf);//calculation of quality of steam at the exit (no unit) +he=((1-Xe)*hf)+(Xe*hg);//calculation of enthalpy of steam at the exit in kJ/kg +Ws=-m*(he-hi);//calculation of power output from turbine using the first law of thermodynamics on the control-volume in kW + +//OUTPUT +mprintf("\n The power output from the turbine=%0.1f kW\n",Ws); + + +//===============================================END OF PROGRAM=================================================== -- cgit