updated the code

1 files changed, 40 insertions, 41 deletions

diff --git a/278/CH22/EX22.6/ex_22_6.sce b/278/CH22/EX22.6/ex_22_6.sce
index 89dc7f084..7d88b789b 100755
--- a/278/CH22/EX22.6/ex_22_6.sce
+++ b/278/CH22/EX22.6/ex_22_6.sce
@@ -1,42 +1,41 @@
-//find...

-clc

-//solution

-//given

-N=300//rpm

-w=31.42//rad/s

-ft=5.6*10^6//N/m^2

-rho=7200

-//let D be dia

-//v=(%pi*D*N)/60=15.71*D//m/s

-//ft=rho*v^2=1.8*10^6*D^2

-D=sqrt(ft/(1.8*10^6))//m

-R=D/2//m

-printf("the dia of flywheel is,%f m\n",D)

-//ref fig 22.13

-//total energy at E =total energy at A

-//Eb=E-32

-//Ec=E+376

-//Ed=E+109

-//Ee=E+442

-//Ef=E+132

-//Eg=E+358

-//Eh=E-16

-//Ei=E+244

-//Ej=E

-//Ea=E

-//max energy is at E and min is a B

-//dE=Eb-Ee=474

-//dE=474//mm^2

-//conveting to N-m

-dE=474*27.3//N-m

-//Cs=(w1-w2)/w

-Cs=0.03

-//dE=m*R^2*w^2*Cs

-m=dE/(R^2*w^2*Cs)//kg

-printf("the mass of flywheel is,%f kg\n",m)

-//let t be thickness and b be width of rim

-//b=4t

-//A=b*t=4*t^2

-//m=A*2*%pi*R*rho=159624*t^2

-t=sqrt(m/159624)//m

+
+//solution
+//given
+N=300//rpm
+w=31.42//rad/s
+ft=5.6*10^6//N/m^2
+rho=7200
+//let D be dia
+//v=(%pi*D*N)/60=15.71*D//m/s
+//ft=rho*v^2=1.8*10^6*D^2
+D=sqrt(ft/(1.8*10^6))//m
+R=D/2//m
+printf("the dia of flywheel is,%f m\n",D)
+//ref fig 22.13
+//total energy at E =total energy at A
+//Eb=E-32
+//Ec=E+376
+//Ed=E+109
+//Ee=E+442
+//Ef=E+132
+//Eg=E+358
+//Eh=E-16
+//Ei=E+244
+//Ej=E
+//Ea=E
+//max energy is at E and min is a B
+//dE=Eb-Ee=474
+//dE=474//mm^2
+//conveting to N-m
+dE=474*27.3//N-m
+//Cs=(w1-w2)/w
+Cs=0.03
+//dE=m*R^2*w^2*Cs
+m=dE/(R^2*w^2*Cs)//kg
+printf("the mass of flywheel is,%f kg\n",m)
+//let t be thickness and b be width of rim
+//b=4t
+//A=b*t=4*t^2
+//m=A*2*%pi*R*rho=159624*t^2
+t=sqrt(m/159624)//m
 printf("the thickness and iwth of rim is,%f m\n,%f m\n",t,4*t)
\ No newline at end of file