diff options
Diffstat (limited to '278/CH22/EX22.5/ex_22_5.sce')
-rwxr-xr-x | 278/CH22/EX22.5/ex_22_5.sce | 90 |
1 files changed, 45 insertions, 45 deletions
diff --git a/278/CH22/EX22.5/ex_22_5.sce b/278/CH22/EX22.5/ex_22_5.sce index 8d8aa96a7..0b9d8c8a5 100755 --- a/278/CH22/EX22.5/ex_22_5.sce +++ b/278/CH22/EX22.5/ex_22_5.sce @@ -1,46 +1,46 @@ -//find...
-clc
-//solution
-//given
-N=600//rpm
-w=62.84//rad/s
-rho=7250//kg/m^3
-ft=6*10^6//n/M^2
-//REF fig 22.12
-//let I be mont of inertia
-//total energy at E =total energy at A
-//Eb=E+160
-//Ec=E-12
-//Ed=E+156
-//Ee=E-35
-//Ef=E+162
-//Eg=E
-//Ea=E
-//max energy is at F and min is a E
-//dE=Ef-Ee=197
-//dE=197//mm^2
-//conveting to N-m
-dE=197*13.1//N-m
-//Cs=(w1-w2)/w
-Cs=0.02
-//let I be moment of inertia
-//dE=I*w^2*Cs
-I=dE/(w^2*Cs)//kg-m^2
-printf("the moment of inertia is,%f kg-m^2\n",I)
-//let t be thickness and b be width of rim
-//b=2t
-v=sqrt(ft/rho)//m/s
-printf("the tangetntial velocity is,%f m/s\n",v)
-//v=%pi*D*N/60=31.42*D
-printf("dia of flywheel is,%d mm\n",v/31.42*1000)
-//let E be total energy
-E=dE/(2*Cs)//N-m
-Emin=0.92*E//N-m
-//let m eb bmass
-m=Emin*2/(v^2)//kg
-//let t be thickness and b be width of rim
-//b=2t
-//A=b*t=2*t^2
-//m=A*2*%pi*R*rho=41686*t^2
-t=sqrt(m/41686)//m
+ +clc +//solution +//given +N=600//rpm +w=62.84//rad/s +rho=7250//kg/m^3 +ft=6*10^6//n/M^2 +//REF fig 22.12 +//let I be mont of inertia +//total energy at E =total energy at A +//Eb=E+160 +//Ec=E-12 +//Ed=E+156 +//Ee=E-35 +//Ef=E+162 +//Eg=E +//Ea=E +//max energy is at F and min is a E +//dE=Ef-Ee=197 +//dE=197//mm^2 +//conveting to N-m +dE=197*13.1//N-m +//Cs=(w1-w2)/w +Cs=0.02 +//let I be moment of inertia +//dE=I*w^2*Cs +I=dE/(w^2*Cs)//kg-m^2 +printf("the moment of inertia is,%f kg-m^2\n",I) +//let t be thickness and b be width of rim +//b=2t +v=sqrt(ft/rho)//m/s +printf("the tangetntial velocity is,%f m/s\n",v) +//v=%pi*D*N/60=31.42*D +printf("dia of flywheel is,%d mm\n",v/31.42*1000) +//let E be total energy +E=dE/(2*Cs)//N-m +Emin=0.92*E//N-m +//let m eb bmass +m=Emin*2/(v^2)//kg +//let t be thickness and b be width of rim +//b=2t +//A=b*t=2*t^2 +//m=A*2*%pi*R*rho=41686*t^2 +t=sqrt(m/41686)//m printf("the thickness and iwth of rim is,%f m\n,%f m\n",t,2*t)
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