From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001 From: prashantsinalkar Date: Tue, 10 Oct 2017 12:27:19 +0530 Subject: initial commit / add all books --- 1325/CH7/EX7.2/7_2.PNG | Bin 0 -> 91813 bytes 1325/CH7/EX7.2/7_2.sce | 28 ++++++++++++++++++++++++++++ 2 files changed, 28 insertions(+) create mode 100644 1325/CH7/EX7.2/7_2.PNG create mode 100644 1325/CH7/EX7.2/7_2.sce (limited to '1325/CH7/EX7.2') diff --git a/1325/CH7/EX7.2/7_2.PNG b/1325/CH7/EX7.2/7_2.PNG new file mode 100644 index 000000000..c989cb9cd Binary files /dev/null and b/1325/CH7/EX7.2/7_2.PNG differ diff --git a/1325/CH7/EX7.2/7_2.sce b/1325/CH7/EX7.2/7_2.sce new file mode 100644 index 000000000..4a1e56237 --- /dev/null +++ b/1325/CH7/EX7.2/7_2.sce @@ -0,0 +1,28 @@ +//to find maximun horsepower when drive is a) Vertical b) Horizontal +clc +w=1.2//lb/ft^2 +u=0.3 +v=3600//ft/min +V=v/60//ft/sec +theta=165//degrees +g=32.2//ft/s^2 +x=theta*%pi/180 +k=%e^(u*x)//k=T1/T2=e^(u*x) +To=500//lb +//Solution a)Vertical drive +Tc=w*V^2/g//equation 7.5 +//solution a) +H=2*(k-1)*(To-Tc)*V/((k+1)*550) +Vmax=(To*g/(3*w))^(1/2) +Hmax=2*(k-1)*(To-Tc)*Vmax/((k+1)*550) +//Solution b) +To1=To+Tc +//from equation 7.15 2/To1^2=1/Tt^2+1/Ts^2 +//T1/T2=k +T2=367 //lb - from trail and error +T1=k*T2 +Tt=T1+Tc +Ts=T2+Tc +HP=(T1-T2)*V/550 +printf("\nSolution a)\nHorsepower transmitted= %.1f\nMaximum Horsepower transmitted= %.1f (at velocit = %.1f ft/s^2)Solution b)\nTt=%.f lb\nTs=%.f lb\nHorsepower transmitted= %.1f",H,Hmax,Vmax,Tt,Ts,HP) + -- cgit