diff options
Diffstat (limited to '3878/CH15/EX15.2/Ex15_2.sce')
| -rw-r--r-- | 3878/CH15/EX15.2/Ex15_2.sce | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/3878/CH15/EX15.2/Ex15_2.sce b/3878/CH15/EX15.2/Ex15_2.sce new file mode 100644 index 000000000..17709776e --- /dev/null +++ b/3878/CH15/EX15.2/Ex15_2.sce @@ -0,0 +1,24 @@ +clear +// Variable declaration +T=5// The dry bulb temperature in +R=3.6// The rate of air change per day +V=35000// The store volume in m**3 +v_spa=0.8// The specific volume in m**3/kg +q=600// m**3/h +n=2// The number of two pellet truck doors +h_1=15.9// kJ/kg +h_2=-24.3// kJ/kg +T_1=20// °C +T_2=-25// °C +t=24// Time duration for one day in hours +t_s=24*60*60// Time duration for one day in seconds + +// Calculation +R_woh=V*R/v_spa// The rate of air change without dehumidification in kg/day +Q_woh=R_woh*(h_1-h_2)/t_s// The cooling load without dehumidification in kW +R_wh=q*n*t/v_spa// The rate of air change with dehumidification in kg/day +Q_wh=R_wh*(T_1-T_2)/t_s// The cooling load with dehumidification in kW +printf("\n \nThe rate of air change without dehumidification is %5.0f kg/day. \nThe cooling load without dehumidification %2.1f kW(calculation error).",R_woh,Q_woh) + +printf("\n \nThe rate of air change with dehumidification is %5.0f kg/day. \nThe cooling load with dehumidification %2.2f kW.",R_wh,Q_wh) + |