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diff --git a/sample_notebooks/chayas/DimensionsSystemUnits.ipynb b/sample_notebooks/chayas/DimensionsSystemUnits.ipynb new file mode 100644 index 00000000..cdb3b1c1 --- /dev/null +++ b/sample_notebooks/chayas/DimensionsSystemUnits.ipynb @@ -0,0 +1,169 @@ +{ + "metadata": { + "name": "DimensionsSystemUnits" + }, + "nbformat": 3, + "nbformat_minor": 0, + "worksheets": [ + { + "cells": [ + { + "cell_type": "heading", + "level": 1, + "metadata": {}, + "source": "Dimensions and systems of units" + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": "Ex.1.1" + }, + { + "cell_type": "code", + "collapsed": false, + "input": "# Ex1.1 pageno 12\npg=40 #negative pressure\npatom=47.2 #atom pressure\npa=patom-pg #absolute pressure of 6000\nprint \" pa = \",round(pa,1), \"kPa\" ", + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": " pa = 7.2 kPa\n" + } + ], + "prompt_number": 8 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": "Ex 1.2" + }, + { + "cell_type": "code", + "collapsed": false, + "input": "#Ex 1.2 pageno 13\nsigma=0.073 #N/m\nga= 9800 #density\nD= 2*10**-3\nh=(4*sigma)/(ga*D)*10**3\nprint '%s % 2g' %(\"\\n h(meter)= \",h), \"mm\"", + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": "\n h(meter)= 14.898 mm\n" + } + ], + "prompt_number": 94 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": "Ex 1.3" + }, + { + "cell_type": "code", + "collapsed": false, + "input": "# Ex 1.3 pageno 13 \n# from table given in textbook\nimport math\nz=10000 #meter\nT=223.3 #kelvin\nr=287\nk=1.4\nc=math.sqrt(k*r*T)\nprint \" velocity of sound C= \",round(c,1), \"m/s\" \nv=(800*1000) # given speed of aircraft flies 800 km/hr\nt=3600\nspeed= v/t\nprint '%s %.1f %s' %(\"speed of aircraft v= \",speed,\"m/s\" )\nm=speed/c\nprint '%s %.2f'%(\"mach number of aircraft M= \",m)", + "language": "python", + "metadata": {}, + "outputs": [], + "prompt_number": "*" + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": "EX 1.4" + }, + { + "cell_type": "code", + "collapsed": false, + "input": "# pageno 13\ns=0.91 #specific gravity of water\nd=1000 #density of water\np=s*d # fluid density of water\nprint \"fluid density\",p,\"kg/m3\"\nd1=25*10**-3\nv1=2.6\nmu=0.38\nre=(p*d1*v1)/mu\nprint '%s %.1f' %(\"Reynolds number Re is \",re)", + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": "fluid density 910.0 kg/m3\nReynolds number Re is 155.7\n" + } + ], + "prompt_number": 50 + }, + { + "cell_type": "heading", + "level": 1, + "metadata": {}, + "source": "Ex 1.5" + }, + { + "cell_type": "code", + "collapsed": false, + "input": "# page no 14\nb=3 #pressure bar of gauge\nv2=101.3 #conversion value \nap=(b*v2)+(v2) # absolute pressure in the tank in kpa\nprint '%s %.1f %s' %(\"Absolute pressure in the tank in kpa =\",ap,\"kPa\")\np=ap*10**3\nR=287 # R Radius of Surface tension\nT=288 # Temperature in kelvin\np1=p/(R*T)\nprint '%s %.1f %s' %(\"density p= \",p1,\"Kg/m3\")\nv=0.85 # volume of airtank in m3\ng= 9.8 # gravational force \nw=p1*v*g\nprint '%s %.2f %s'%(\"Weight of air W = pvg= \",w,\"Kg\")", + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": "Absolute pressure in the tank in kpa = 405.2 kPa\ndensity p= 4.9 Kg/m3\nWeight of air W = pvg= 40.84 Kg\n" + } + ], + "prompt_number": 57 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": "Ex 1.6" + }, + { + "cell_type": "code", + "collapsed": false, + "input": "#page no 14 \nR=1*10**-3 # radius in meter\nsigma1=72.7*10**-3 # N/M\nE=(2*sigma1)/R\nprint '%s %.1f %s' %(\" Excess pressure p= \",E,\"N/m2\")", + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": " Excess pressure p= 145.4 N/m2\n" + } + ], + "prompt_number": 61 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": "Ex 1.7\n" + }, + { + "cell_type": "code", + "collapsed": false, + "input": "#page no 15\n# derivation of equation by substuting so no calculations \nprint \"shear stress t=-BD/4\"\nprint \" Also at position r=D/4;t=-BD/8\"", + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": "shear stress t=-BD/4\n Also at position r=D/4;t=-BD/8\n" + } + ], + "prompt_number": 63 + }, + { + "cell_type": "code", + "collapsed": false, + "input": "", + "language": "python", + "metadata": {}, + "outputs": [] + } + ], + "metadata": {} + } + ] +}
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