diff options
Diffstat (limited to '551/CH3/EX3.7/7.sce')
-rwxr-xr-x | 551/CH3/EX3.7/7.sce | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/551/CH3/EX3.7/7.sce b/551/CH3/EX3.7/7.sce new file mode 100755 index 000000000..0e79ab594 --- /dev/null +++ b/551/CH3/EX3.7/7.sce @@ -0,0 +1,22 @@ +clc
+m=1000; //kJ/kg.K
+p=16; //bar
+x=0.9;
+T_sup=653; //K
+T_w=30; //0C
+c_ps=2.2; //kJ/kg
+c_pw=4.18;
+// At 16 bar:From steam tables
+T_s=474.4; //K
+h_f=858.6; //kJ/kg
+h_fg=1933.2; //kJ/kg
+
+disp("(i) Heat supplied to feed water per hour to produce wet steam is given by")
+H=m*[(h_f+x*h_fg)-c_pw*(T_w-0)];
+disp(H)
+disp("kJ")
+
+disp("(ii) Heat absorbed by superheater per hour, Q=")
+Q=m*[(1-x)*h_fg+c_ps*(T_sup-T_s)];
+disp(Q)
+disp("kJ")
\ No newline at end of file |