Revised list of TBCs

1 files changed, 0 insertions, 281 deletions

diff --git a/Engineering_Physics_by_P.K.Palanisamy/Chapter14.ipynb b/Engineering_Physics_by_P.K.Palanisamy/Chapter14.ipynb
deleted file mode 100755
index ef73934a..00000000
--- a/Engineering_Physics_by_P.K.Palanisamy/Chapter14.ipynb
+++ /dev/null
@@ -1,281 +0,0 @@
-{

- "cells": [

-  {

-   "cell_type": "markdown",

-   "metadata": {},

-   "source": [

-    "#14: Acoustics of buildings and acoustic quieting"

-   ]

-  },

-  {

-   "cell_type": "markdown",

-   "metadata": {},

-   "source": [

-    "##Example number 14.1, Page number 14.7"

-   ]

-  },

-  {

-   "cell_type": "code",

-   "execution_count": 22,

-   "metadata": {

-    "collapsed": false

-   },

-   "outputs": [

-    {

-     "name": "stdout",

-     "output_type": "stream",

-     "text": [

-      "reverberation time of hall is 1.264 s\n"

-     ]

-    }

-   ],

-   "source": [

-    "#importing modules\n",

-    "import math\n",

-    "from __future__ import division\n",

-    "\n",

-    "#Variable declaration\n",

-    "V=475;     #volume(m**3)\n",

-    "aw=200;    #area of wall(m**2)\n",

-    "ac=100;    #area of ceiling(m**2)\n",

-    "ac_w=0.025;    #absorption coefficient of wall\n",

-    "ac_c=0.02;    #absorption coefficient of ceiling\n",

-    "ac_f=0.55;    #absorption coefficient of floor\n",

-    "\n",

-    "#Calculation\n",

-    "sigma_as=(aw*ac_w)+(ac*ac_c)+(ac*ac_f);     \n",

-    "T=0.165*V/sigma_as;          #reverberation time of hall(s)\n",

-    "\n",

-    "#Result\n",

-    "print \"reverberation time of hall is\",round(T,3),\"s\""

-   ]

-  },

-  {

-   "cell_type": "markdown",

-   "metadata": {},

-   "source": [

-    "##Example number 14.2, Page number 14.8"

-   ]

-  },

-  {

-   "cell_type": "code",

-   "execution_count": 23,

-   "metadata": {

-    "collapsed": false

-   },

-   "outputs": [

-    {

-     "name": "stdout",

-     "output_type": "stream",

-     "text": [

-      "new reverberation time is 1.31 s\n"

-     ]

-    }

-   ],

-   "source": [

-    "#importing modules\n",

-    "import math\n",

-    "from __future__ import division\n",

-    "\n",

-    "#Variable declaration\n",

-    "V=12500;     #volume(m**3)\n",

-    "T1=1.5;      #reverberation time(sec)\n",

-    "n=200;    #number of cushioned chairs\n",

-    "\n",

-    "#Calculation\n",

-    "sigma_as=0.165*V/T1;    \n",

-    "T2=0.165*V/(sigma_as+n);     #new reverberation time(s)\n",

-    "\n",

-    "#Result\n",

-    "print \"new reverberation time is\",round(T2,2),\"s\""

-   ]

-  },

-  {

-   "cell_type": "markdown",

-   "metadata": {},

-   "source": [

-    "##Example number 14.3, Page number 14.8"

-   ]

-  },

-  {

-   "cell_type": "code",

-   "execution_count": 24,

-   "metadata": {

-    "collapsed": false

-   },

-   "outputs": [

-    {

-     "name": "stdout",

-     "output_type": "stream",

-     "text": [

-      "total absorption in the hall is 660.0 OWU\n"

-     ]

-    }

-   ],

-   "source": [

-    "#importing modules\n",

-    "import math\n",

-    "from __future__ import division\n",

-    "\n",

-    "#Variable declaration\n",

-    "V=5000;    #volume(m**3)\n",

-    "T=1.25;    #time(s)\n",

-    "\n",

-    "#Calculation\n",

-    "sigma_as=0.165*V/T;          #total absorption in the hall(OWU)\n",

-    "\n",

-    "#Result\n",

-    "print \"total absorption in the hall is\",sigma_as,\"OWU\""

-   ]

-  },

-  {

-   "cell_type": "markdown",

-   "metadata": {},

-   "source": [

-    "##Example number 14.4, Page number 14.9"

-   ]

-  },

-  {

-   "cell_type": "code",

-   "execution_count": 25,

-   "metadata": {

-    "collapsed": false

-   },

-   "outputs": [

-    {

-     "name": "stdout",

-     "output_type": "stream",

-     "text": [

-      "total absorption in the hall is 1045.0 OWU\n",

-      "new period of reverberation is 1.369 s\n"

-     ]

-    }

-   ],

-   "source": [

-    "#importing modules\n",

-    "import math\n",

-    "from __future__ import division\n",

-    "\n",

-    "#Variable declaration\n",

-    "V=9500;    #volume(m**3)\n",

-    "T=1.5;    #time(s)\n",

-    "x=100;    #absorption(sabines)\n",

-    "\n",

-    "#Calculation\n",

-    "sigma_as=0.165*V/T;          #total absorption in the hall(OWU)\n",

-    "T=0.165*V/(sigma_as+x);      #new period of reverberation(s)\n",

-    "\n",

-    "#Result\n",

-    "print \"total absorption in the hall is\",sigma_as,\"OWU\"\n",

-    "print \"new period of reverberation is\",round(T,3),\"s\""

-   ]

-  },

-  {

-   "cell_type": "markdown",

-   "metadata": {},

-   "source": [

-    "##Example number 14.5, Page number 14.9"

-   ]

-  },

-  {

-   "cell_type": "code",

-   "execution_count": 26,

-   "metadata": {

-    "collapsed": false

-   },

-   "outputs": [

-    {

-     "name": "stdout",

-     "output_type": "stream",

-     "text": [

-      "total absorption in the hall is 70.714 OWU\n",

-      "average absorption coefficient is 0.074 sabine/m**2\n"

-     ]

-    }

-   ],

-   "source": [

-    "#importing modules\n",

-    "import math\n",

-    "from __future__ import division\n",

-    "\n",

-    "#Variable declaration\n",

-    "V=20*15*5;    #volume(m**3)\n",

-    "T=3.5;    #time(s)\n",

-    "A=950;    #surface area(m**2)\n",

-    "\n",

-    "#Calculation\n",

-    "sigma_as=0.165*V/T;          #total absorption in the hall(OWU)\n",

-    "ac=sigma_as/A;       #average absorption coefficient\n",

-    "\n",

-    "#Result\n",

-    "print \"total absorption in the hall is\",round(sigma_as,3),\"OWU\"\n",

-    "print \"average absorption coefficient is\",round(ac,3),\"sabine/m**2\""

-   ]

-  },

-  {

-   "cell_type": "markdown",

-   "metadata": {},

-   "source": [

-    "##Example number 14.6, Page number 14.9"

-   ]

-  },

-  {

-   "cell_type": "code",

-   "execution_count": 37,

-   "metadata": {

-    "collapsed": false

-   },

-   "outputs": [

-    {

-     "name": "stdout",

-     "output_type": "stream",

-     "text": [

-      "reverberation time of hall is 4.023 s\n",

-      "number of persons to be seated is 5\n"

-     ]

-    }

-   ],

-   "source": [

-    "#importing modules\n",

-    "import math\n",

-    "from __future__ import division\n",

-    "\n",

-    "#Variable declaration\n",

-    "V=2265;    #volume(m**3)\n",

-    "sigma_as=92.9;    #absorption(m**2)\n",

-    "a=18.6;      #area(m**2)\n",

-    "\n",

-    "#Calculation\n",

-    "T=0.165*V/sigma_as;          #reverberation time of hall(s)\n",

-    "T1=0.165*V/2;      \n",

-    "inc=T1-sigma_as;       #increase in absorption(OWU)\n",

-    "n=inc/a;        #number of persons to be seated\n",

-    "\n",

-    "#Result\n",

-    "print \"reverberation time of hall is\",round(T,3),\"s\"\n",

-    "print \"number of persons to be seated is\",int(n)"

-   ]

-  }

- ],

- "metadata": {

-  "kernelspec": {

-   "display_name": "Python 2",

-   "language": "python",

-   "name": "python2"

-  },

-  "language_info": {

-   "codemirror_mode": {

-    "name": "ipython",

-    "version": 2

-   },

-   "file_extension": ".py",

-   "mimetype": "text/x-python",

-   "name": "python",

-   "nbconvert_exporter": "python",

-   "pygments_lexer": "ipython2",

-   "version": "2.7.9"

-  }

- },

- "nbformat": 4,

- "nbformat_minor": 0

-}