diff options
Diffstat (limited to '3433/CH10/EX10.4')
| -rw-r--r-- | 3433/CH10/EX10.4/Ex10_4.sce | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/3433/CH10/EX10.4/Ex10_4.sce b/3433/CH10/EX10.4/Ex10_4.sce new file mode 100644 index 000000000..df9740dba --- /dev/null +++ b/3433/CH10/EX10.4/Ex10_4.sce @@ -0,0 +1,18 @@ +clear;
+clc;
+funcprot(0);
+
+//given data
+P = 20;//power required in kW
+cx1 = 7.5;//steady wind speed in m/s
+rho = 1.2;//density in kg/m^3
+Cp = 0.35;
+eta_g = 0.75;//output electrical power
+eff_d = 0.85;//electrical generation efficiency
+
+//Calculations
+A2 = 2*P*1000/(rho*Cp*eta_g*eff_d*cx1^3);
+D2 = sqrt(4*A2/%pi);
+
+//Results
+printf('The diameter = %.1f m.',D2);
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