diff options
Diffstat (limited to '3878/CH18/EX18.6/Ex18_6.sce')
-rw-r--r-- | 3878/CH18/EX18.6/Ex18_6.sce | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/3878/CH18/EX18.6/Ex18_6.sce b/3878/CH18/EX18.6/Ex18_6.sce new file mode 100644 index 000000000..9b1a3898d --- /dev/null +++ b/3878/CH18/EX18.6/Ex18_6.sce @@ -0,0 +1,27 @@ +clear +// Variable declaration +m=1000// The capacity of meat store in tonnes +m_l=50// The amount of meat leaving the store in t/day +m_s=300// The amount of meat arrives from the ships in t/day +t=24*3600// Time in s + +// Calculation +// Case(1) +m=90// t/day +T_1=2// °C +T_2=-12// °C +C=3.2// Specific heat capacity in kJ/(kg.K) +T_fp=-1// Freezing point of meat in °C +h_fg=225// Latent heat of freezing in kJ/kg +C_fm=1.63// Specific heat of frozen meat in kJ/(kg.K) +Q_f=(m*1000*((C*3)+h_fg+(C_fm*11)))/(t)// Cooling load in kW +printf("\n \nCase(1):Cooling load,Q_f=%3.0f kW",Q_f) + +// Case(2) +Q_f=(m_s*10**3*(C_fm*T_1))/t// Cooling load in kW +printf("\n \nCase(2):Cooling load,Q_f=%2.0f kW",Q_f) + +// Case(3) +Q_f=(m_l*10**3*((C*3)+h_fg+(C_fm*11)))/t// Cooling load in kW +printf("\n \nCase(3):Cooling load,Q_f=%3.0f kW",Q_f) + |