summaryrefslogtreecommitdiff
path: root/3821/CH10/EX10.10/Example10_10.sce
diff options
context:
space:
mode:
Diffstat (limited to '3821/CH10/EX10.10/Example10_10.sce')
-rw-r--r--3821/CH10/EX10.10/Example10_10.sce45
1 files changed, 45 insertions, 0 deletions
diff --git a/3821/CH10/EX10.10/Example10_10.sce b/3821/CH10/EX10.10/Example10_10.sce
new file mode 100644
index 000000000..4a884b32f
--- /dev/null
+++ b/3821/CH10/EX10.10/Example10_10.sce
@@ -0,0 +1,45 @@
+/////////Chapter 10 Properties Of Steam
+/////Example 10.10 Page No:191
+////Find Enthalpy of superheated steam
+//Input data
+clc;
+clear;
+P1=10*10^5 //Pressure of steam in bar
+tsup1=300+273; //Temperature of steam n degree celsius
+P2=1.4*10^5; //Internal energy of steam
+x2=0.8; //Dryness fraction
+Cps=2.3;
+///from steam table properties of saturated steam (temp basis)
+///at 25 degree celsius and at 10 bar(pressure basis)
+ts1=179.9+273;
+vf=0.001127; //In m^3/Kg
+vg=0.1943; //In m^3/Kg
+hf=762.6; //In KJ/Kg
+hfg=2013.6; //In KJ/Kg
+hg1=2776.2; //In KJ/Kg
+//at 1.4 bar;
+ts=109.3; //In degree celsius
+vf1=0.001051; //In m^3/Kg
+vg1=1.2363; //In m^3/Kg
+hf1=458.4; //In KJ/Kg
+hfg1=2231.9; //In KJ/Kg
+hg=2690.3; //In KJ/Kg
+
+///Calculation
+h1=hg1+Cps*(tsup1-ts1); //Enthalpy of superheated steam in KJ/Kg
+v1=vg*(tsup1/ts1); //Volume of superheated steam in m**3/Kg
+u1=h1-((P1*v1)/10^3); //Internal energy in KJ/Kg
+h2=hf1+x2*hfg1; //Enthalpy of wet steam in KJ/Kg
+Vwet=(1-x2)*vf1+x2*vg1; //Volume of wet steam in m**3/Kg
+u2=h2-((P2*Vwet)/10^3); //Internal energy in KJ/Kg
+DeltaU=u1-u2; //Change of Internal energy in KJ/Kg
+
+
+//Output
+printf('Enthalpy of superheated steam= %f KJ/Kg \n ',h1);
+printf('Volume of superheated steam=%f m^3/kg \n ',v1);
+printf('Internal energy= %f KJ/Kg \n ',u1);
+printf('Enthalpy of wet steam= %f KJ/Kg \n ',h2);
+printf('Volume of wet steam=%f m^3/kg \n ',Vwet);
+printf('Internal energy= %f KJ/Kg \n',u2);
+printf('Change of Internal energy= %f KJ/Kg \n ',DeltaU);