diff options
Diffstat (limited to '3878/CH6')
| -rw-r--r-- | 3878/CH6/EX6.1/Ex6_1.sce | 19 | ||||
| -rw-r--r-- | 3878/CH6/EX6.3/Ex6_3.sce | 13 |
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) + |