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diff --git a/Engineering_Physics_by_A_Marikani/1-Ultrasonics.ipynb b/Engineering_Physics_by_A_Marikani/1-Ultrasonics.ipynb new file mode 100644 index 0000000..43a13f9 --- /dev/null +++ b/Engineering_Physics_by_A_Marikani/1-Ultrasonics.ipynb @@ -0,0 +1,178 @@ +{ +"cells": [ + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "# Chapter 1: Ultrasonics" + ] + }, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 1.1: Fundamental_frequency_of_vibration.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"\n", +"\n", +"// Example No.1.1.\n", +"// Page No.28.\n", +"clc;clear;\n", +"t = 0.15*10^(-2);//Thickness of the quartz crystal -[m].\n", +"Y = 7.9* 10^(10);//Young's modulus of quartz -[N/m^2].\n", +"d = 2650;//Density of quartz -[kg/m^3].\n", +"f = (1/(2*t))*(sqrt(Y/d));//'f' is fndamental frequency of vibration.\n", +"f = f*10^(-6);//fundamental frequency of vibration.\n", +"printf('\nThe fundamental frequency of vibration of the crystal is %.4f MHz',f);\n", +"" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 1.2: Fundamental_frequency_and_first_overtone.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"\n", +"\n", +"// Example No.1.2.\n", +"// Page No. 28.\n", +"clc;clear;\n", +"t = 1*10^(-3);//Thickness of the quartz crystal -[m].\n", +"Y = 7.9* 10^(10);//Young's modulus of quartz -[N/m^2].\n", +"d = 2650;//Density of quartz -[kg/m^3].\n", +"p = 1;\n", +"f1 = (p/(2*t))*(sqroot(Y/d));//For fundamental frequency p=1.\n", +"printf('\nThe fundamental frequency of vibration of the crystal is %3.3e Hz',f1);\n", +"p = 2;\n", +"f2 = (p/(2*t))*(sqroot(Y/d));// f2 is frequency of first overtone and for the first overtone P=2.\n", +"printf('\nThe frequency of the first overtone of the crystal is %3.3e Hz',f2);" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 1.3: Velocity_of_ultrasonic_wave.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"\n", +"\n", +"// Example No.1.3.\n", +"// Page No.29.\n", +"clc;clear;\n", +"w = 5.893*10^(-7);//Wavelength of the light -[m].\n", +"f = 1*10^(8);//Frequency of the ultrasonic transducer -[Hz].\n", +"n = 1;//Order of diffraction.\n", +"d = 7.505*10^(-6);\n", +"w = 2*d;//wavelength of the ultrasonic wave.\n", +"printf('\nThe wavelength of the ultrasonic wave is %3.3e m',w);\n", +"v = f*w;//Velocity of the ultrasonic wave.\n", +"printf('\nThe velocity of ultrasonic wave is %.f m/s',v);" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 1.4: Doppler_shifted_frequency.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"\n", +"// Example No.1.4.\n", +"// Page No.29.\n", +"clc;clear;\n", +"f = 2*10^(6);//frequency of transducer -[Hz].\n", +"cosq = cosd(30);//Angle of inclination of the probe -[degree].\n", +"c = 800;//Velocity of ultrasonic wave -[m/s].\n", +"v = 3;//Speed of blood -[m/s].\n", +"delf = ((2*f*v*cosq)/c);//Doppler shifted frequency.\n", +"printf('\nThe Doppler shifted frequency is %3.3e Hz',delf);" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 1.5: Velocity_of_ultrasonic_waves.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"\n", +"// Example No.1.5.\n", +"// Page No.30.\n", +"clc;clear;\n", +"Y = 7.9*10^(10);//Young's modulus of quartz -[N/m^2].\n", +"d = 2650;//Density of quartz -[kg/m^3].\n", +"v = sqroot(Y/d);//Velocity of ultrasonic wave.\n", +"printf('\nThe velocity of the ultrasonic waves is %.2f m/s',v);" + ] + } +], +"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 +} |