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 --- 1775/CH4/EX4.8/Chapter4_Example8.sce | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100755 1775/CH4/EX4.8/Chapter4_Example8.sce (limited to '1775/CH4/EX4.8/Chapter4_Example8.sce') diff --git a/1775/CH4/EX4.8/Chapter4_Example8.sce b/1775/CH4/EX4.8/Chapter4_Example8.sce new file mode 100755 index 000000000..d57cbf248 --- /dev/null +++ b/1775/CH4/EX4.8/Chapter4_Example8.sce @@ -0,0 +1,33 @@ +//Chapter-4, Illustration 8, Page 171 +//Title: Steam Nozzles and Steam Turbines +//============================================================================= +clc +clear + +//INPUT DATA +P1=3.5;//Dry saturated steam in bar +P2=1.1;//Exit pressure in bar +At=4.4;//Throat area in cm^2 +h1=2731.6;//Enthalpy at P1 in kJ/kg +v1=0.52397;//Specific volume at P1 in m^3/kg +n=1.135;//Adiabatic gas constant +ht=2640;//Enthalpy at Pt in kJ/kg +vt=0.85;//Specific volume at throat in m^3/kg +h2=2520;//Enthalpy at P2 in kJ/kg +v2=1.45;//Specific volume at P2 in m^3/kg + +//CALCULATIONS +x=n/(n-1);//Ratio +Pt=((2/(n+1))^x)*P1;//Throat pressure in bar +Ct=sqrt(2000*(h1-ht));//Throat velocity in m/s +mmax=((At*Ct*(10^-4))/vt)*60;//Maximum discharge in kg/min +C2=sqrt(2000*(h1-h2));//Exit velocity in m/s +A2=((mmax*v2)/(C2*60))*(10^6);//Exit area in mm^2 + +//OUTPUT +mprintf('Maximum discharge is %3.3f kg/min \n Exit area is %3.2f mm^2',mmax,A2) + + + + +//==============================END OF PROGRAM================================= -- cgit