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Diffstat (limited to '2120/CH9/EX9.11/ex9_11.sce')
-rwxr-xr-x | 2120/CH9/EX9.11/ex9_11.sce | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/2120/CH9/EX9.11/ex9_11.sce b/2120/CH9/EX9.11/ex9_11.sce new file mode 100755 index 000000000..3b2988dbc --- /dev/null +++ b/2120/CH9/EX9.11/ex9_11.sce @@ -0,0 +1,39 @@ +// Exa 9.11
+clc;
+clear;
+close;
+// Given data
+m = 1;// in kg
+x = 0.9;
+p = 1;// N/mm^2
+p = p * 10^1;// in bar
+p = p * 10^2;// in kPa
+h_sen = 762.61;// in kJ/kg
+L = 2013.6;// in kJ/kg
+v_s = 0.1944;// in m^3 per kg
+H_totalwet = h_sen + x*L;// in kJ/kg
+U_wet = H_totalwet - (p * x * v_s);// in kJ/kg
+I = U_wet / H_totalwet;// internal energy as a fraction of total heat
+I = I * 10^2;// in %
+disp(I,"The internal energy in % is");
+// Part (b)
+v_s = 0.1542;// in m^3/kg
+h_sen = 815;// in kJ/kg
+L = 1972;// in kJ/kg
+H_totaldry = 2787;// in kJ/kg
+C_ps = 2.199;
+t_sup = 250;// in °C
+t_sup = t_sup + 273;// in K
+t_sat = 190.74;// in °C
+t_sat = t_sat + 273;// in K
+p1 = 13 * 10^2;// in kPa
+v_ssup = v_s*t_sup/t_sat;// in m^3/kg
+disp(v_ssup,"The volume of superheated steam in m^3/kg is");
+// Part (c)
+t_sat = t_sat - 273;// in °C
+t_sup = t_sup - 273;// in °C
+U_sup =h_sen+L+C_ps*(t_sup-t_sat)-p1*v_ssup;// in kJ
+del_U = U_sup - U_wet;// in kJ
+disp(del_U,"Change in internal energy in kJ is :");
+
+
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