initial commit / add all books

2 files changed, 32 insertions, 0 deletions

diff --git a/3878/CH6/EX6.1/Ex6_1.sce b/3878/CH6/EX6.1/Ex6_1.sce
new file mode 100644
index 000000000..24c61f466
--- /dev/null
+++ b/3878/CH6/EX6.1/Ex6_1.sce
@@ -0,0 +1,19 @@
+clear
+// Variable declaration
+Q_1=12// Heat load in kW
+T_c1=50// The condensing temperature in °C
+T_o1=35// The maximum outdoor temperature in °C
+T_o2=15// The reduced outdoor temperature in °C
+Q_2=8// The reduced heat load in kW
+
+// Calculation
+deltaT=T_c1-T_o1// Temperature Difference in K
+CR=Q_1*10**3/deltaT// Condenser Rating in W/K
+CR=CR*10**-3// Condenser Rating in kW/K
+deltaT_15=Q_2/CR// Temperature Difference at 15°C 
+T_c2=T_o2+deltaT_15//The Condensing temperature at 15°C
+printf("\n Cooling Rating= %0.1f  kW/K",CR)
+printf("\n Temperature Difference at 15°C=%2.0f°C",deltaT_15)
+
+printf("\n The Condensing temperature at 15°C=%2.0f°C",T_c2)
+
diff --git a/3878/CH6/EX6.3/Ex6_3.sce b/3878/CH6/EX6.3/Ex6_3.sce
new file mode 100644
index 000000000..595a42a8c
--- /dev/null
+++ b/3878/CH6/EX6.3/Ex6_3.sce
@@ -0,0 +1,13 @@
+clear
+// Variable declaration
+E_t=880// Total duty at the condenser in kW
+E_wcp=15// Total duty at water-circulating pump in kw
+
+// Calculation
+E=E_t+E_wcp// Total tower duty in kW
+w_er=E*0.41*10**-3// Evaporation rate in kg/s
+Cr_80=30// Circulation rate in kg/s
+Cr_160=60// Circulation rate in kg/s
+w_air=E*0.06// Air flow rate in kg/s
+printf("\n \nEvaporation rate=%0.2f kg/s \nCirculation rate,80times=%2.0f kg/s \nCirculation rate,160times=%2.0f kg/s \nAir flow rate=%2.0f kg/s",w_er,Cr_80,Cr_160,w_air)
+