diff options
Diffstat (limited to '3878/CH1/EX1.10')
| -rw-r--r-- | 3878/CH1/EX1.10/Ex1_10.sce | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/3878/CH1/EX1.10/Ex1_10.sce b/3878/CH1/EX1.10/Ex1_10.sce new file mode 100644 index 000000000..976d44253 --- /dev/null +++ b/3878/CH1/EX1.10/Ex1_10.sce @@ -0,0 +1,16 @@ +clear +// +// Variable declaration +T_f=3// The temperature of fluid in °C +T_wi=11.5// The temperature of water at inlet in °C +T_wo=6.4// The temperature of water at outlet in °C +A=420// The surface area in m**2 +U=110// The thermal transmittance in W/(m**2 K) + +// Calculation +delT_max=T_wi-T_f// The maximum temperature difference in K +delT_min=T_wo-T_f// The minimum temperature difference in K +LMTD=(delT_max-delT_min)/log(delT_max/delT_min) +Q_f=U*A*LMTD// The amount of heat transfer in W +printf("\n The logarithmic mean temperature difference is %0.3f K",LMTD) +printf("\n The amount of heat transfer is %0.0f W (round off error) or %0.0f ",Q_f,Q_f/1000) |