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diff --git a/Engineering_Physics_by_A_Marikani/10-Magnetic_materials.ipynb b/Engineering_Physics_by_A_Marikani/10-Magnetic_materials.ipynb new file mode 100644 index 0000000..b9f1c73 --- /dev/null +++ b/Engineering_Physics_by_A_Marikani/10-Magnetic_materials.ipynb @@ -0,0 +1,210 @@ +{ +"cells": [ + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "# Chapter 10: Magnetic materials" + ] + }, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 10.1: Magnetization_and_flux_density.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"\n", +"//Example NO.10.1\n", +"//Page No.305\n", +"//To find magnetization & flux density.\n", +"clc;clear;\n", +"H = (10^6);//Magnetic field strength -[A/m].\n", +"x = (0.5*10^-5);//Magnetic suceptibility.\n", +"M = (x*H);//Magnetization.\n", +"printf('\nMagnetization of the material is %.0f A/m',M);\n", +"u0 = (4*%pi*10^-7);\n", +"B = (u0*(M+H));//Flux density.\n", +"printf('\nFlux density of the material is %.3f Wb/m^2',B);" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 10.2: Magnetic_moment_of_nickel_atom.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"\n", +"\n", +"//Example NO.10.2\n", +"//Page No.306\n", +"clc;clear;\n", +"B = 0.65;//Saturation magnetic induction -[Wb/m^2].\n", +"p = 8906;//Density -[kg/m^3].\n", +"Mat = 58.7;//Atomic weight of Ni\n", +"A = (6.022*10^26);//Avagadro's constant.\n", +"N = ((p*A)/Mat);//Number of atoms per m^-3.\n", +"printf('\nNumber of atoms per m^-3 are %3.3e m^-3',N);\n", +"u0 = (4*%pi*10^-7);\n", +"um = (B/(N*u0));\n", +"printf('\nMagnetic moment is %3.3e ',um);\n", +"Mni = (um/(9.27*10^-24));\n", +"printf('\nMagnetic moment of nickel atom is %.2f uB',Mni);" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 10.3: Relative_permiability.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"\n", +"//Example NO.10.3\n", +"//Page No.306\n", +"clc;clear;\n", +"H = 1800;//Magnetic field -[A/m].\n", +"F = (3*10^-5);//Magnetic flux -[Wb].\n", +"A = 0.2*10^-4;//Area of cross section -[m].\n", +"u0 = (4*%pi*10^-7);\n", +"B = (F/A);//Magnetic flux density.\n", +"printf('\nMagnetic flux density is %.1f Wb/m^2',B);\n", +"ur = (B/(u0*H));//Relative permeability.\n", +"printf('\nRelative permeability of the material is %.2f',ur);" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 10.4: Saturation_magnetization.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"\n", +"//Example NO.10.4\n", +"//Page No.307\n", +"clc;clear;\n", +"u = 18.4;//Magnetic moment -[uB].\n", +"uB = (9.27*10^-24);\n", +"a = (0.835*10^-9);//Lattice parameter-[m].\n", +"M = (u*uB/a^3);//Magnetization.\n", +"printf('\nSaturation magnetization for Ni ferrite is %3.3e A/m',M);" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 10.5: Magnetization_and_magnetic_flux_density.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"\n", +"//Example NO.10.5\n", +"//Page No.307\n", +"clc;clear;\n", +"H = (2*10^5);//Magnetic field strength -[A/m].\n", +"ur = 1.01;//Relative permeability.\n", +"u0 = (4*%pi*10^-7);\n", +"B = (u0*ur*H);//Magnetic flux density.\n", +"printf('\nMagnetic flux density is %.4f Wb/m^2',B);\n", +"M = ((0.2538/u0)-(H));//Magnetization\n", +"printf('\nMagnetization of the material is %.2f A/m',M);" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 10.6: Succeptibility_and_magnetic_flux.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"\n", +"//Example NO.10.6\n", +"//Page No.307\n", +"clc;clear;\n", +"H = (500);//Magnetic field strength -[A/m].\n", +"x = (1.2);//Suceptibility.\n", +"M = (x*H);//Magnetization.\n", +"printf('\nMagnetization of the material is %.0f A/m',M);\n", +"u0 = (4*%pi*10^-7);\n", +"B = (u0*(M+H));//Magnetic flux density.\n", +"printf('\nMagnetic flux density inside the material is %3.3e Wb/m^2',B);" + ] + } +], +"metadata": { + "kernelspec": { + "display_name": "Scilab", + "language": "scilab", + "name": "scilab" + }, + "language_info": { + "file_extension": ".sce", + "help_links": [ + { + "text": "MetaKernel Magics", + "url": "https://github.com/calysto/metakernel/blob/master/metakernel/magics/README.md" + } + ], + "mimetype": "text/x-octave", + "name": "scilab", + "version": "0.7.1" + } + }, + "nbformat": 4, + "nbformat_minor": 0 +} |