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/EX4.20/Chapter4_Example20.sce | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100755 1775/CH4/EX4.20/Chapter4_Example20.sce (limited to '1775/CH4/EX4.20/Chapter4_Example20.sce') diff --git a/1775/CH4/EX4.20/Chapter4_Example20.sce b/1775/CH4/EX4.20/Chapter4_Example20.sce new file mode 100755 index 000000000..5b045db43 --- /dev/null +++ b/1775/CH4/EX4.20/Chapter4_Example20.sce @@ -0,0 +1,32 @@ +//Chapter-4, Illustration 20, Page 210 +//Title: Steam Nozzles and Steam Turbines +//============================================================================= +clc +clear + +//INPUT DATA +C1=600;//Steam velocity in m/s +b1=30;//Blade angle at inlet in first stage in degrees +b2=30;//Blade angle at exit in first stage in degrees +b3=30;//Blade angle at inlet in second stage in degrees +b4=30;//Blade angle at exit in second stage in degrees +a4=90;//Nozzle angle in second stage in degrees +m=3;//Mass of steam in kg/s +x=15;//Length for drawing velocity triangle in mm +y=56;//Length of BC from the velocity triangle in mm + +//CALCUALTIONS +C1n=C1/y;//Velocity of steam in m/s +U=x*C1n;//Blade speed in m/s +l=103;//Length from velocity triangle in mm +P=(m*l*C1n*U)/1000;//Power developed in kW + +//OUTPUT +mprintf('Blade speed is %3.1f m/s \n Power developed by the turbine is %3.2f kW',U,P) + + + + + + +//==============================END OF PROGRAM================================= -- cgit