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Diffstat (limited to '3733/CH14/EX14.1/Ex14_1.sce')
| -rw-r--r-- | 3733/CH14/EX14.1/Ex14_1.sce | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/3733/CH14/EX14.1/Ex14_1.sce b/3733/CH14/EX14.1/Ex14_1.sce new file mode 100644 index 000000000..c5a1caa95 --- /dev/null +++ b/3733/CH14/EX14.1/Ex14_1.sce @@ -0,0 +1,19 @@ +// Example 14_1
+clc;funcprot(0);
+//Given data
+P=35;// bar
+T_1=400;//Temperature of steam in °C
+m_s=200;// Flow rate of steam in Tonnes/hr
+T_2=450;//°C
+T_sp=60;// The temperature of spray water in °C
+C_pw=4.2;// kJ/kg.°C
+//Calculation
+//From steam tables,
+//At 35 bar and 450°C
+h_1=3337;// kJ/kg
+//At 35 bar and 400°C
+h_2=3222;// kJ/kg
+h_w=C_pw*(T_sp-0);// kJ/kg
+m_w=m_s*((h_1-h_2)/(h_2-h_w));//The mass of water supplied to the super heater in tons/hr
+m_w=(m_w*1000)/3600;// kg/hr
+printf('\nThe mass of water supplied to the super heater=%0.2f kg/sec',m_w);
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