diff options
Diffstat (limited to '3878/CH21/EX21.1/Ex21_1.sce')
| -rw-r--r-- | 3878/CH21/EX21.1/Ex21_1.sce | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/3878/CH21/EX21.1/Ex21_1.sce b/3878/CH21/EX21.1/Ex21_1.sce new file mode 100644 index 000000000..591c97dbd --- /dev/null +++ b/3878/CH21/EX21.1/Ex21_1.sce @@ -0,0 +1,15 @@ +clear +// Variable declaration +m_a=68// The mass flow rate of air in kg/s +T_1=16// The temperature of air at inlet in °C +T_2=34// The temperature of air at outlet in °C +T_win=85// The temperature of hot water at inlet in °C +T_wout=74// The temperature of hot water at outlet in °C +C_pa=1.02// The specific heat capacity of air in kJ/kg.K +C_pw=4.187// The specific heat capacity of water in kJ/kg.K + +// Calculation +Q=m_a*C_pa*(T_2-T_1)// Heat input in kW +m_w=Q/(C_pw*(T_win-T_wout))// The mass flow rate of water in kg/s +printf("\n \nHeat input,Q=%4.0f kW \nThe mass flow rate of water,Q=%2.0f kg/s",Q,m_w) + |