initial commit / add all books

1 files changed, 15 insertions, 0 deletions

diff --git a/615/CH8/EX8.9/8_9.sce b/615/CH8/EX8.9/8_9.sce
new file mode 100755
index 000000000..10e1b0cc7
--- /dev/null
+++ b/615/CH8/EX8.9/8_9.sce
@@ -0,0 +1,15 @@
+//Fuels and Combustion//

+//Example 8.9//

+C=750;//weight of carbon in 1kg of coal sample in grams//

+O=121;//weight of oxygen in 1kg of coal sample in grams//

+A=45;//weight of Ash in 1kg of coal sample in grams//

+N=32;//weight of nytrogen in 1kg of coal sample in grams//

+H=52;//weight of hydrogen in 1kg of coal sample in grams//

+MO=C*32/12+H*16/2-O;//minimum weight of oxygen needed in grams//

+printf('minimum weight of oxygen needed=MO=%fg',MO);

+MA=MO*100/23;//minimum weight of air needed in grams//

+printf('\nminimum amount of air needed=MA=%fg',MA);

+GCV=(808*C+3450*(H-O/8))/100;//Gross calorific value of the sample in cal per grams//

+printf('\nGross Calorific value of the fuel=GCV=%fcal/g',GCV);

+LCV=GCV-0.09*H*0.1*587;//law calorific value of the sample in cal/gram//

+printf('\nLaw calorific value of the sample=LCV=%fcal/g',LCV);