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+{
+ "cells": [
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "# Chapter 1 - Introduction"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## exa 1.1 Pg 13"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 1,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The speeds of gear box are:\n",
+ "\n",
+ "\t\t\tN1 = 30.0 rpm\n",
+ "\n",
+ "\t\t\tN2 = 46.5 rpm\n",
+ "\n",
+ "\t\t\tN3 = 72.1 rpm\n",
+ "\n",
+ "\t\t\tN4 = 111.7 rpm\n",
+ "\n",
+ "\t\t\tN5 = 173.2 rpm\n",
+ "\n",
+ "\t\t\tN6 = 268.5 rpm\n",
+ "\n",
+ "\t\t\tN7 = 416.2 rpm\n",
+ "\n",
+ "\t\t\tN8 = 645.1 rpm\n",
+ "\n",
+ "\t\t\tN9 = 1000.0 rpm\n"
+ ]
+ }
+ ],
+ "source": [
+ "from __future__ import division\n",
+ "Nmax=1000## rpm\n",
+ "Nmin=30## rpm\n",
+ "z=9## no. of steps\n",
+ "\n",
+ "#Rn=Nmax/Nmin=fi**(z-1)\n",
+ "fi=(Nmax/Nmin)**(1/(z-1))## common ratio\n",
+ "\n",
+ "print 'The speeds of gear box are:'\n",
+ "N1=Nmin## rpm\n",
+ "for i in range(1,z+1):\n",
+ " print '\\n\\t\\t\\tN%d = %.1f rpm'%(i,N1)\n",
+ " N1=fi*N1##rpm\n"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## exa 1.2 Pg 14"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 2,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The power of generating sets are:\n",
+ "\n",
+ "\t\t\tP1 = 10.0 kW\n",
+ "\n",
+ "\t\t\tP2 = 17.8 kW\n",
+ "\n",
+ "\t\t\tP3 = 31.6 kW\n",
+ "\n",
+ "\t\t\tP4 = 56.2 kW\n",
+ "\n",
+ "\t\t\tP5 = 100.0 kW\n",
+ "\n",
+ "Expanding for 10 models.\n",
+ "\n",
+ "The power of generating sets are:\n",
+ "\n",
+ "\t\t\tP1 = 10.0 kW\n",
+ "\n",
+ "\t\t\tP2 = 12.9 kW\n",
+ "\n",
+ "\t\t\tP3 = 16.7 kW\n",
+ "\n",
+ "\t\t\tP4 = 21.5 kW\n",
+ "\n",
+ "\t\t\tP5 = 27.8 kW\n",
+ "\n",
+ "\t\t\tP6 = 35.9 kW\n",
+ "\n",
+ "\t\t\tP7 = 46.4 kW\n",
+ "\n",
+ "\t\t\tP8 = 59.9 kW\n",
+ "\n",
+ "\t\t\tP9 = 77.4 kW\n",
+ "\n",
+ "\t\t\tP10 = 100.0 kW\n"
+ ]
+ }
+ ],
+ "source": [
+ "from __future__ import division\n",
+ "Pmax=100## kW\n",
+ "Pmin=10## kW\n",
+ "z=5## no. of models\n",
+ "\n",
+ "#Rn=Pmax/Pmin=fi**(z-1)\n",
+ "fi=(Pmax/Pmin)**(1/(z-1))## common ratio\n",
+ "\n",
+ "print 'The power of generating sets are:'\n",
+ "P1=Pmin## kW\n",
+ "for i in range(1,z+1):\n",
+ " print '\\n\\t\\t\\tP%d = %.1f kW'%(i,P1)\n",
+ " P1=fi*P1##kW\n",
+ "\n",
+ "\n",
+ "print '\\nExpanding for 10 models.'\n",
+ "z=10## no. of models\n",
+ "\n",
+ "fi=(Pmax/Pmin)**(1/(z-1))## common ratio\n",
+ "\n",
+ "print '\\nThe power of generating sets are:'\n",
+ "P1=Pmin## kW\n",
+ "for i in range(1,z+1):\n",
+ " print '\\n\\t\\t\\tP%d = %.1f kW'%(i,P1)\n",
+ " P1=fi*P1##kW"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## exa 1.4 Pg 15"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 3,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The models are:\n",
+ "\n",
+ "\t\t\tP0 = 5.0 kW\n",
+ "\n",
+ "\t\t\tP1 = 10.8 kW\n",
+ "\n",
+ "\t\t\tP2 = 23.2 kW\n",
+ "\n",
+ "\t\t\tP3 = 50.0 kW\n",
+ "\n",
+ " for 8 models.\n",
+ "The models are:\n",
+ "\n",
+ "\t\t\tP0 = 5.0 kW\n",
+ "\n",
+ "\t\t\tP1 = 6.9 kW\n",
+ "\n",
+ "\t\t\tP2 = 9.7 kW\n",
+ "\n",
+ "\t\t\tP3 = 13.4 kW\n",
+ "\n",
+ "\t\t\tP4 = 18.6 kW\n",
+ "\n",
+ "\t\t\tP5 = 25.9 kW\n",
+ "\n",
+ "\t\t\tP6 = 36.0 kW\n",
+ "\n",
+ "\t\t\tP7 = 50.0 kW\n"
+ ]
+ }
+ ],
+ "source": [
+ "from __future__ import division\n",
+ "Pmax=50## kW\n",
+ "Pmin=5## kW\n",
+ "z=4## no. of models\n",
+ "\n",
+ "#Rn=Pmax/Pmin=fi**(z-1)\n",
+ "fi=(Pmax/Pmin)**(1/(z-1))## common ratio\n",
+ "\n",
+ "print 'The models are:'\n",
+ "\n",
+ "for i in range(0,z):\n",
+ " P1=fi**(i)*Pmin## kW\n",
+ " print '\\n\\t\\t\\tP%d = %.1f kW'%(i,P1)\n",
+ "\n",
+ "\n",
+ "print '\\n for 8 models.'\n",
+ "\n",
+ "z=8## no. of models\n",
+ "\n",
+ "#Rn=Pmax/Pmin=fi**(z-1)\n",
+ "fi=(Pmax/Pmin)**(1/(z-1))## common ratio\n",
+ "\n",
+ "print 'The models are:'\n",
+ "\n",
+ "for i in range(0,z):\n",
+ " P1=fi**(i)*Pmin## kW\n",
+ " print '\\n\\t\\t\\tP%d = %.1f kW'%(i,P1)"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## exa 1.6 Pg 15"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 4,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The models are:\n",
+ "\n",
+ "\t\t\tP0 = 7.5 kW\n",
+ "\n",
+ "\t\t\tP1 = 13.3 kW\n",
+ "\n",
+ "\t\t\tP2 = 23.7 kW\n",
+ "\n",
+ "\t\t\tP3 = 42.2 kW\n",
+ "\n",
+ "\t\t\tP4 = 75.0 kW\n"
+ ]
+ }
+ ],
+ "source": [
+ "from __future__ import division\n",
+ "Pmax=75## kW\n",
+ "Pmin=7.5## kW\n",
+ "z=5## no. of models\n",
+ "\n",
+ "#Rn=Pmax/Pmin=fi**(z-1)\n",
+ "fi=(Pmax/Pmin)**(1/(z-1))## common ratio\n",
+ "\n",
+ "print 'The models are:'\n",
+ "\n",
+ "for i in range(0,z):\n",
+ " P1=fi**(i)*Pmin## kW\n",
+ " print '\\n\\t\\t\\tP%d = %.1f kW'%(i,P1)\n"
+ ]
+ }
+ ],
+ "metadata": {
+ "kernelspec": {
+ "display_name": "Python 2",
+ "language": "python",
+ "name": "python2"
+ },
+ "language_info": {
+ "codemirror_mode": {
+ "name": "ipython",
+ "version": 2
+ },
+ "file_extension": ".py",
+ "mimetype": "text/x-python",
+ "name": "python",
+ "nbconvert_exporter": "python",
+ "pygments_lexer": "ipython2",
+ "version": "2.7.9"
+ }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 0
+}
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