1 files changed, 21 insertions, 0 deletions
diff --git a/2015/CH7/EX7.7/7_7.sce b/2015/CH7/EX7.7/7_7.sce
new file mode 100755
index 000000000..acc98a838
--- /dev/null
+++ b/2015/CH7/EX7.7/7_7.sce
@@ -0,0 +1,21 @@
+clc
+//initialisation of variables
+ps1=0.006566 //bar pressure
+phi1=0.6 //relative humidity
+td2=21 //temp in degrees
+td1=1 //temp in degrees
+ps2=0.02486 //pressure in bar
+td3=26 //temp in degrees
+p=1.013 //pressure in bar
+//CALCULATIONS
+pv1=(phi1*ps1)
+w=0.622*(pv1/(p-pv1))
+q=(td2-td1)*(1.005+(1.86*w))
+phi2=pv1/ps2
+cbf=(td3-td2)/(td3-td1)
+cf=1-cbf
+//RESULTS
+printf('heat supplied to air is %2fkg/kg of da',q)
+printf('\nfinal relative humidity is %2fkg/kg of da',phi2)
+printf('\ncoil bypass factor is %2f',cbf)
+printf('\ncontact factor is %2f',cf)