diff options
Diffstat (limited to '698/CH26/EX26.3/P3_mass_of_flywheel.sce')
-rw-r--r-- | 698/CH26/EX26.3/P3_mass_of_flywheel.sce | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/698/CH26/EX26.3/P3_mass_of_flywheel.sce b/698/CH26/EX26.3/P3_mass_of_flywheel.sce new file mode 100644 index 000000000..ca0b4729c --- /dev/null +++ b/698/CH26/EX26.3/P3_mass_of_flywheel.sce @@ -0,0 +1,35 @@ +clc
+//Example 26.4
+//Mass of flywheel
+
+//------------------------------------------------------------------------------
+
+//Given data
+E=2.7* 10^3
+K=0.9
+r=0.915
+N1=200
+w1=(2*%pi*N1)/60
+N2=180
+w2=(2*%pi*N2)/60
+
+res3=mopen(TMPDIR+'3_mass_of_flywheel.txt','wt')
+
+//Exact moment of inertia of rim
+mfprintf(res3,'(a)Approximate mass of flywheel\n\tmr=2*K*E / r2*(w1^2 -w2^2)\n')
+mr=2*K*E /(r^2* (w1^2 -w2^2))
+mfprintf(res3,'\t\tmr=%0.1f kg\n\n',mr)
+
+mfprintf(res3,'(b)Approximate total mass of flywheel\n\t=1.15*mr\n')
+mfprintf(res3,'\t\t=%d kg\n\n',1.15*mr)
+
+mfprintf(res3,'(c)Coefficient of speed fluctuation\n\t')
+mfprintf(res3,'delta=w1-w2 /w\n')
+w=190
+delta=(N1-N2)/w
+mfprintf(res3,'\tdelta=%0.3f',delta)
+
+mclose(res3)
+editor(TMPDIR+'3_mass_of_flywheel.txt')
+//------------------------------------------------------------------------------
+//-----------------------------End of program-----------------------------------
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