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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3843/CH4/EX4.14/Ex4_14.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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Diffstat (limited to '3843/CH4/EX4.14/Ex4_14.sce')
| -rw-r--r-- | 3843/CH4/EX4.14/Ex4_14.sce | 25 |
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diff --git a/3843/CH4/EX4.14/Ex4_14.sce b/3843/CH4/EX4.14/Ex4_14.sce new file mode 100644 index 000000000..9d1f221e3 --- /dev/null +++ b/3843/CH4/EX4.14/Ex4_14.sce @@ -0,0 +1,25 @@ +// Example 4_14
+clc;funcprot(0);
+// Given data
+P_1=4000;// kPa
+T_1=500;// °C
+d_1=50;// mm
+V_1=200;// m/s
+d_2=250;// mm
+x_2=1.0;// The quality of steam at state 2
+
+// Calculation
+// (a)
+v_1=0.08643;// m^3/kg
+A_1=(%pi/4)*(d_1/1000)^2;// m^2
+mdot=(1/v_1)*A_1*V_1;// kg/s
+// The enthalpies are found from Tables C-3 and C-2 to be
+h_1=3445.2;// kJ/kg
+h_2=2665.7;// kJ/kg
+W_T=-(h_2-h_1)*mdot;// The turbine power output in kJ/s
+// (b)
+v_2=2.087;// m^3/kg
+A_2=(%pi/4)*(d_2/1000)^2;/// m^2
+V_2=(A_1*V_1*(1/v_1))/(A_2*(1/v_2));// m/s
+d_KE=mdot*((V_2^2-V_1^2)/2);// The kinetic energy change in J/s
+printf("\n(a)The turbine power output,W_T=%4.0f kJ/s or %1.3f MW \n(b)The kinetic energy change,delKE=%4.0f J/s or %1.2f kJ/s",W_T,W_T/10^3,d_KE,d_KE/10^3);
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