From df60071cf1d1c18822d34f943ab8f412a8946b69 Mon Sep 17 00:00:00 2001 From: hardythe1 Date: Wed, 3 Jun 2015 15:27:17 +0530 Subject: add books --- _Theory_Of_Machines/Chapter8.ipynb | 334 +++++++++++++++++++++++++++++++++++++ 1 file changed, 334 insertions(+) create mode 100755 _Theory_Of_Machines/Chapter8.ipynb (limited to '_Theory_Of_Machines/Chapter8.ipynb') diff --git a/_Theory_Of_Machines/Chapter8.ipynb b/_Theory_Of_Machines/Chapter8.ipynb new file mode 100755 index 00000000..9bd9a862 --- /dev/null +++ b/_Theory_Of_Machines/Chapter8.ipynb @@ -0,0 +1,334 @@ +{ + "metadata": { + "name": "", + "signature": "sha256:1cb0ae5332b03066df5ce763bd8fad0da93c877f86bbb84639588cca0d91016e" + }, + "nbformat": 3, + "nbformat_minor": 0, + "worksheets": [ + { + "cells": [ + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Chapter8-BALANCING OF ROTATING MASSES" + ] + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex1-pg221" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "##CHAPTER 8 ILLUSRTATION 1 PAGE NO 221\n", + "##TITLE:BALANCING OF ROTATING MASSES\n", + "pi=3.141\n", + "import math\n", + "mA=12.## mass of A in kg\n", + "mB=10.## mass of B in kg\n", + "mC=18.## mass of C in kg\n", + "mD=15.## mass of D in kg\n", + "rA=40.## radius of A in mm\n", + "rB=50.## radius of B in mm\n", + "rC=60.## radius of C in mm\n", + "rD=30.## radius of D in mm\n", + "theta1=0.## angle between A-A in degrees\n", + "theta2=60.## angle between A-B in degrees\n", + "theta3=130.## angle between A-C in degrees\n", + "theta4=270.## angle between A-D in degrees\n", + "R=100.## radius at which mass to be determined in mm\n", + "##====================================================\n", + "Fh=(mA*rA*math.cos(theta1/57.3)+mB*rB*math.cos(theta2/57.3)+mC*rC*math.cos(theta3/57.3)+mD*rD*math.cos(theta4/57.3))/10.## vertical component value in kg cm\n", + "Fv=(mA*rA*math.sin(theta1/57.3)+mB*rB*math.sin(theta2/57.3)+mC*rC*math.sin(theta3/57.3)+mD*rD*math.sin(theta4/57.3))/10.## horizontal component value in kg cm\n", + "mb=(Fh**2.+Fv**2.)**.5/R*10.## unbalanced mass in kg\n", + "theta=math.atan(Fv/Fh)*57.3## position in degrees \n", + "THETA=180.+theta## angle with mA\n", + "print'%s %.1f %s %.1f %s'%('magnitude of unbalaced mass=',mb,' kg'' angle with mA=',THETA,'degrees')\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "magnitude of unbalaced mass= 8.1 kg angle with mA= 267.5 degrees\n" + ] + } + ], + "prompt_number": 1 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex2-pg222" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "##CHAPTER 8 ILLUSRTATION 2 PAGE NO 222\n", + "##TITLE:BALANCING OF ROTATING MASSES\n", + "pi=3.141\n", + "\n", + "mA=5.## mass of A in kg\n", + "mB=10.## mass of B in kg\n", + "mC=8.## mass of C in kg\n", + "rA=10.## radius of A in cm\n", + "rB=15.## radius of B in cm\n", + "rC=10.## radius of C in cm\n", + "rD=10.## radius of D in cm\n", + "rE=15.## radius of E in cm\n", + "##============================\n", + "mD=182./rD## mass of D in kg by mearument\n", + "mE=80./rE## mass of E in kg by mearument\n", + "print'%s %.1f %s %.1f %s '%('mass of D= ',mD,' kg''mass of E= ',mE,' kg')\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "mass of D= 18.2 kgmass of E= 5.3 kg \n" + ] + } + ], + "prompt_number": 2 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex3-pg223" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "##CHAPTER 8 ILLUSRTATION 3 PAGE NO 223\n", + "##TITLE:BALANCING OF ROTATING MASSES\n", + "pi=3.141\n", + "\n", + "mA=200.## mass of A in kg\n", + "mB=300.## mass of B in kg\n", + "mC=400.## mass of C in kg\n", + "mD=200.## mass of D in kg\n", + "rA=80.## radius of A in mm\n", + "rB=70.## radius of B in mm\n", + "rC=60.## radius of C in mm\n", + "rD=80.## radius of D in mm\n", + "rX=100.## radius of X in mm\n", + "rY=100.## radius of Y in mm\n", + "##=====================\n", + "mY=7.3/.04## mass of Y in kg by mearurement\n", + "mX=35./.1## mass of X in kg by mearurement\n", + "thetaX=146.## in degrees by mesurement\n", + "print'%s %.1f %s %.1f %s %.1f %s'%('mass of X=',mX,' kg'' mass of Y=',mY,' kg''angle with mA=',thetaX,' degrees')\n", + "\t" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "mass of X= 350.0 kg mass of Y= 182.5 kgangle with mA= 146.0 degrees\n" + ] + } + ], + "prompt_number": 3 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex4-pg225" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "##CHAPTER 8 ILLUSRTATION 4 PAGE NO 225\n", + "##TITLE:BALANCING OF ROTATING MASSES\n", + "pi=3.141\n", + "\n", + "mB=30## mass of B in kg\n", + "mC=50## mass of C in kg\n", + "mD=40## mass of D in kg\n", + "rA=18## radius of A in cm\n", + "rB=24## radius of B in cm\n", + "rC=12## radius of C in cm\n", + "rD=15## radius of D in cm\n", + "##=============================\n", + "mA=3.6/.18## mass of A by measurement in kg\n", + "theta=124.## angle with mass B in degrees by measurement in degrees\n", + "y=3.6/(.18*20)## position of A from B\n", + "print'%s %.1f %s %.1f %s %.1f %s'%('mass of A=',mA,' kg'' angle with mass B=',theta,' degrees'' position of A from B=',y,' m towards right of plane B')" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "mass of A= 20.0 kg angle with mass B= 124.0 degrees position of A from B= 1.0 m towards right of plane B\n" + ] + } + ], + "prompt_number": 4 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex5-pg226" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "##CHAPTER 8 ILLUSRTATION 5 PAGE NO 226\n", + "##TITLE:BALANCING OF ROTATING MASSES\n", + "pi=3.141\n", + "\n", + "mB=10.## mass of B in kg\n", + "mC=5.## mass of C in kg\n", + "mD=4.## mass of D in kg\n", + "rA=10.## radius of A in cm\n", + "rB=12.5## radius of B in cm\n", + "rC=20.## radius of C in cm\n", + "rD=15.## radius of D in cm\n", + "##=====================================\n", + "mA=7.## mass of A in kg by mesurement\n", + "BC=118.## angle between B and C in degrees by mesurement\n", + "BA=203.5## angle between B and A in degrees by mesurement\n", + "BD=260.## angle between B and D in degrees by mesurement\n", + "print'%s %.1f %s %.1f %s %.1f %s %.1f %s '%('Mass of A=',mA,' kg'' angle between B and C=',BC,' degrees''angle between B and A= ',BA,' degrees'' angle between B and D=',BD,' degrees')\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Mass of A= 7.0 kg angle between B and C= 118.0 degreesangle between B and A= 203.5 degrees angle between B and D= 260.0 degrees \n" + ] + } + ], + "prompt_number": 5 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex6-pg228" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "##CHAPTER 8 ILLUSRTATION 6 PAGE NO 228\n", + "##TITLE:BALANCING OF ROTATING MASSES\n", + "pi=3.141\n", + "\n", + "mB=36.## mass of B in kg\n", + "mC=25.## mass of C in kg\n", + "rA=20.## radius of A in cm\n", + "rB=15.## radius of B in cm\n", + "rC=15.## radius of C in cm\n", + "rD=20.## radius of D in cm\n", + "##==================================\n", + "mA=3.9/.2## mass of A in kg by measurement\n", + "mD=16.5## mass of D in kg by measurement\n", + "theta=252.## angular position of D from B by measurement in degrees\n", + "print'%s %.1f %s %.1f %s %.1f %s'%('Mass of A= ',mA,' kg'' Mass od D= ',mD,' kg'' Angular position of D from B= ',theta,' degrees')\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Mass of A= 19.5 kg Mass od D= 16.5 kg Angular position of D from B= 252.0 degrees\n" + ] + } + ], + "prompt_number": 6 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex7-pg229" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "##CHAPTER 8 ILLUSRTATION 7 PAGE NO 229\n", + "##TITLE:BALANCING OF ROTATING MASSES\n", + "\n", + "\n", + "pi=3.141\n", + "mA=48.## mass of A in kg\n", + "mB=56.## mass of B in kg\n", + "mC=20.## mass of C in kg\n", + "rA=1.5## radius of A in cm\n", + "rB=1.5## radius of B in cm\n", + "rC=1.25## radius of C in cm\n", + "N=300.## speed in rpm\n", + "d=1.8## distance between bearing in cm\n", + "##================================\n", + "w=2.*pi*N/60.## angular speed in rad/s\n", + "BA=164.## angle between pulleys B&A in degrees by measurement\n", + "BC=129.## angle between pulleys B&C in degrees by measurement\n", + "AC=67.## angle between pulleys A&C in degrees by measurement\n", + "C=.88*w**2.## out of balance couple in N\n", + "L=C/d## load on each bearing in N\n", + "print'%s %.1f %s %.1f %s %.1f %s %.1f %s %.1f %s '%('angle between pulleys B&A=',BA,' degrees'' angle between pulleys B&C= ',BC,' degrees'' angle between pulleys A&C=',AC,' degrees'' out of balance couple= ',C,' N'' load on each bearing=',L,' N')" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "angle between pulleys B&A= 164.0 degrees angle between pulleys B&C= 129.0 degrees angle between pulleys A&C= 67.0 degrees out of balance couple= 868.2 N load on each bearing= 482.3 N \n" + ] + } + ], + "prompt_number": 7 + } + ], + "metadata": {} + } + ] +} \ No newline at end of file -- cgit