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| author | kinitrupti | 2017-05-12 18:40:35 +0530 |
|---|---|---|
| committer | kinitrupti | 2017-05-12 18:40:35 +0530 |
| commit | d36fc3b8f88cc3108ffff6151e376b619b9abb01 (patch) | |
| tree | 9806b0d68a708d2cfc4efc8ae3751423c56b7721 /backup/A_Textbook_Of_Engineering_Physics_version_backup/Chapter12.ipynb | |
| parent | 1b1bb67e9ea912be5c8591523c8b328766e3680f (diff) | |
| download | Python-Textbook-Companions-d36fc3b8f88cc3108ffff6151e376b619b9abb01.tar.gz Python-Textbook-Companions-d36fc3b8f88cc3108ffff6151e376b619b9abb01.tar.bz2 Python-Textbook-Companions-d36fc3b8f88cc3108ffff6151e376b619b9abb01.zip | |
Revised list of TBCs
Diffstat (limited to 'backup/A_Textbook_Of_Engineering_Physics_version_backup/Chapter12.ipynb')
| -rwxr-xr-x | backup/A_Textbook_Of_Engineering_Physics_version_backup/Chapter12.ipynb | 144 |
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diff --git a/backup/A_Textbook_Of_Engineering_Physics_version_backup/Chapter12.ipynb b/backup/A_Textbook_Of_Engineering_Physics_version_backup/Chapter12.ipynb new file mode 100755 index 00000000..7ced75e1 --- /dev/null +++ b/backup/A_Textbook_Of_Engineering_Physics_version_backup/Chapter12.ipynb @@ -0,0 +1,144 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:4671074782cd36f56500529820b222f929e1453d2be6b38ad8ab85fd8d868d5a"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter12-Ultrasonics"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Ex1-pg295"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##Example 12.1\n",
+ "##calculation of natural frequency,magnetostriction\n",
+ "\n",
+ "##given values\n",
+ "\n",
+ "l=40*10**-3.;##length of pure iron rod\n",
+ "d=7.25*10**3.;##density of iron in kg/m**3\n",
+ "Y=115*10**9.;##Young's modulus in N/m**2 \n",
+ "\n",
+ "##calculation\n",
+ "f=(1*math.sqrt(Y/d))/(2.*l);\n",
+ "print'%s %.2f %s'%('the natural frequency(in kHz) is',f*10**-3,'');\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "the natural frequency(in kHz) is 49.78 \n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Ex2-pg297"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##Example 12.2\n",
+ "##calculation of natural frequency\n",
+ "\n",
+ "##given values\n",
+ "\n",
+ "t=5.5*10**-3.;##thickness in m\n",
+ "d=2.65*10**3.;##density in kg/m**3\n",
+ "Y=8*10**10.;##Young's modulus in N/m**2 \n",
+ "\n",
+ "\n",
+ "##calculation\n",
+ "f=(math.sqrt(Y/d))/(2.*t);##frequency in hertz\n",
+ "print'%s %.2f %s'%('the natural frequency(in kHz) is',f*10**-3,'');\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "the natural frequency(in kHz) is 499.49 \n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Ex3-pg301"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##Example 12.3\n",
+ "##calculation of depth and wavelength\n",
+ "\n",
+ "##given values\n",
+ "\n",
+ "f=.07*10**6;##frequency in Hz\n",
+ "t=.65;##time taken for pulse to return\n",
+ "v=1700.;##velocity of sound in sea water in m/s\n",
+ "\n",
+ "##calculation\n",
+ "d=v*t/2.;##\n",
+ "print'%s %.2f %s'%('the depth of sea(in m) is',d,'');\n",
+ "l=v/f;##wavelenght of pulse in m\n",
+ "print'%s %.2f %s'%('wavelength of pulse (in cm)is',l*10**2,'');"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "the depth of sea(in m) is 552.50 \n",
+ "wavelength of pulse (in cm)is 2.43 \n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
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