1 files changed, 19 insertions, 0 deletions
diff --git a/1943/CH4/EX4.7/Ex4_7.sce b/1943/CH4/EX4.7/Ex4_7.sce
new file mode 100755
index 000000000..cc1cdd3d6
--- /dev/null
+++ b/1943/CH4/EX4.7/Ex4_7.sce
@@ -0,0 +1,19 @@
+
+clc
+clear
+//Input data
+CO21=9.7;//Carbondioxide gas analysis before the air preheater 
+CO22=9.2;//Carbondioxide gas analysis after the air preheater
+O21=4.0;//Oxygen gas analysis before the air preheater
+O22=4.9;//Oxygen gas analysis after the air preheater
+N21=86.3;//Nitrogen gas analysis before the air preheater
+N22=85.9;//Nitrogen gas analysis after the air preheater
+C=72;//The coal used shows the carbon percentage by mass in %
+
+//Calculations
+W1=[(3.04)*(N21/100)*(C/100)]/[(CO21/100)];//Before air preheater in kg air/kg fuel
+W2=[(3.04)*(N22/100)*(C/100)]/[(CO22/100)];//After air preheater in kg air/kg fuel
+A=W2-W1;//Air leakage in kg air/kg fuel
+
+//Output
+printf('The air leakage into the air preheater per kg of coal fired is %3.0f kg air/kg fuel',A)