From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 278/CH24/EX24.3/ex_24_3.sce | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100755 278/CH24/EX24.3/ex_24_3.sce (limited to '278/CH24/EX24.3') diff --git a/278/CH24/EX24.3/ex_24_3.sce b/278/CH24/EX24.3/ex_24_3.sce new file mode 100755 index 000000000..2ffe495c1 --- /dev/null +++ b/278/CH24/EX24.3/ex_24_3.sce @@ -0,0 +1,23 @@ +//find.. +clc +//solution +//given +n=2 +P=25000//W +N=3000//rpm +u=0.255 +//d1/d2=1.25 +pmax=0.1//N/mm^2 +T=P*60/(2*%pi*N)*1000//N-mm +//C=pmax*r2 +//W=2*%pi*pmax*r2*(r1-r2)=0.157*r2//r1/r2=1.25 +//R=(r1+r2)/2=1.125*r2 +///T=n*u*W*R=0.09*r2^3//N-mm +r2=(T/0.09)^(1/3)//mm +r1=1.25*r2 +d1=2*r1//mm +d2=2*r2//mm +W=2*%pi*0.1*r2*(r1-r2)//N +printf("outr dia is,%f mm\n",d1) +printf("nner dia is,%f mm\n",d2) +printf("axial thrust is,%f N\n",W) -- cgit