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Diffstat (limited to '3594/CH8/EX8.2/Ex8_2.sce')
| -rw-r--r-- | 3594/CH8/EX8.2/Ex8_2.sce | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/3594/CH8/EX8.2/Ex8_2.sce b/3594/CH8/EX8.2/Ex8_2.sce new file mode 100644 index 000000000..5f3683586 --- /dev/null +++ b/3594/CH8/EX8.2/Ex8_2.sce @@ -0,0 +1,30 @@ +clc +//given + +OH=15//in +l=OH +u=0.3 +P=100//lb +phi=atan(u) +dia=12 //in +r=dia/2; +//according to fig 170(b) +//for clockwise rotation +a=6//from figure +x=r*sin(phi)//in inches;radius of friction circle +Tb=P*l*x/a//braking torque on the drum +//for counter clockwise rotation +a1=5.5//in +Tb1=P*l*x/a1//braking torque on the drum +//according to figure 172(a) +//for clockwise rotation +a2=6.48//from figure +x=r*sin(phi)//in inches;radius of friction circle +Tb2=P*l*x/a2//braking torque on the drum +//for counter clockwise rotation +a3=6.38//in +Tb3=P*l*x/a3//braking torque on the drum +T1=ceil(Tb1) +T2=ceil(Tb2) +T3=ceil(Tb3) +printf("\nbraking torque on drum\nWhen dimensions are measured from fig 170(b)\nFor clockwise rotation= %.f lb in\nFor counter clockwise rotation= %.f lb in\nWhen dimensions are measured from fig 171(a)\nFor clockwise rotation= %.f lb in\nFor counter clockwise rotation= %.f lb in",Tb,T1,T2,T3)
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