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{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Chapter 3: Ultrasonics"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 3.1: example_1.sce"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"clc;\n",
"clear all;\n",
"t=1.6*1e-3 //thickness in meter\n",
"v=5760 //velocity in m/s\n",
"lemda=2*t//wavelength\n",
"f=v/lemda//fundamental frequency \n",
"disp(+'Hz',f,'fundamental frequency =')"
]
}
,
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 3.2: example_2.sce"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"clc;\n",
"t=40*1e-2;\n",
"//pulse covers 2x distance in arriving back\n",
"//so, 30*1e-6=2*x/v\n",
"//and, 2nd pulse will cover a distance of 2*40 cm in 80*1e-6 seconds\n",
"//therfore, 80*1e-6=(2*40*1e-2)/v\n",
"//compare both equation\n",
"e1=30;\n",
"e2=40*2\n",
"x=e1*t*2/(2*e2);\n",
"disp(+'m',x,'distanc of the flow from near end =') "
]
}
,
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 3.3: example_3.sce"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"clc;\n",
"f_diff=50*1e3 //in Hz\n",
"v=5000 //in m/s\n",
"//f1=v/2*t\n",
"//f2=2v/2t\n",
"//f2-f1=v/2t\n",
"t=v/(2*f_diff)\n",
"disp(+'meter',t,'Thickness of steel plate =')"
]
}
,
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 3.4: example_4.sce"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"clc;\n",
"f=1e6 //frequency in Hz\n",
"L=1 //inductance in henry\n",
"//f=(1/2*pi)*(sqrt(1/(L*C)))\n",
"c=1/(4*%pi^2*f^2*L);//capacitance\n",
"disp(+'F',c,'capacitance =')"
]
}
],
"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
}
|
