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Diffstat (limited to 'Modern_physics_for_engineers_by_S.P.Taneja/AppendixC.ipynb')
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diff --git a/Modern_physics_for_engineers_by_S.P.Taneja/AppendixC.ipynb b/Modern_physics_for_engineers_by_S.P.Taneja/AppendixC.ipynb new file mode 100644 index 00000000..03311fdd --- /dev/null +++ b/Modern_physics_for_engineers_by_S.P.Taneja/AppendixC.ipynb @@ -0,0 +1,247 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:dd508155a47c2bffcd2dfdcfbd55f2abf1514dac72895d0c19bd7f9bfbad737d"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Appendix C Acoustics of Buildings"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example C.1 Page no 427"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "s1=5000\n",
+ "a1=0.05\n",
+ "s2=8000\n",
+ "a2=0.03\n",
+ "s3=500\n",
+ "a3=0.025\n",
+ "s4=600\n",
+ "a4=0.3\n",
+ "s5=500\n",
+ "a5=4.2\n",
+ "v1=50\n",
+ "v2=80\n",
+ "v3=20\n",
+ "\n",
+ "#Calculation\n",
+ "A1=s1*a1\n",
+ "A2=s2*a2\n",
+ "A3=s3*a3\n",
+ "A4=s4*a4\n",
+ "A5=s5*a5\n",
+ "A=A1+A2+A3+A4+A5\n",
+ "V=v1*v2*v3\n",
+ "T=(0.16*V)/A\n",
+ "\n",
+ "#Result\n",
+ "print\"(i) Reverbrating time with absorption coefficient 0.05 is\",A1,\"sq m\"\n",
+ "print\"(ii) Reverbrating time with absorption coefficient 0.03 is\",A2,\"sq m\"\n",
+ "print\"(iii) Reverbrating time with absorption coefficient 0.025 is\",A3,\"sq m\"\n",
+ "print\"(iv) Reverbrating time with absorption coefficient 0.3 is\",A4,\"sq m\"\n",
+ "print\"(v) Reverbrating time is\",round(T,1),\"Second\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "(i) Reverbrating time with absorption coefficient 0.05 is 250.0 sq m\n",
+ "(ii) Reverbrating time with absorption coefficient 0.03 is 240.0 sq m\n",
+ "(iii) Reverbrating time with absorption coefficient 0.025 is 12.5 sq m\n",
+ "(iv) Reverbrating time with absorption coefficient 0.3 is 180.0 sq m\n",
+ "(v) Reverbrating time is 4.6 Second\n"
+ ]
+ }
+ ],
+ "prompt_number": 20
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example C.2 Page no 428"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "S1=220 #m**2\n",
+ "S2=120 \n",
+ "S3=120\n",
+ "T=460.0\n",
+ "a1=0.03\n",
+ "a2=0.06\n",
+ "a3=0.80\n",
+ "V=600 #m**3\n",
+ "\n",
+ "#Calculation\n",
+ "A=S1*a1+S2*a2+S3*a3\n",
+ "Av=A/T\n",
+ "T1=0.16*V/A\n",
+ "\n",
+ "#Result\n",
+ "print\"Average absorption coefficient is\",round(Av,3)\n",
+ "print\"Reverbration time is\",round(T1,2),\"Sec\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Average absorption coefficient is 0.239\n",
+ "Reverbration time is 0.87 Sec\n"
+ ]
+ }
+ ],
+ "prompt_number": 28
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example C.3 Page no 429"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "V=7000 #m**3\n",
+ "T=1.4 #sec\n",
+ "\n",
+ "#Calculation\n",
+ "A=0.16*V/T\n",
+ "\n",
+ "#Result\n",
+ "print\"Total absorption is\",A,\"O.W.U\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Total absorption is 800.0 O.W.U\n"
+ ]
+ }
+ ],
+ "prompt_number": 30
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example C.4 Page no 429"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "a1=6 #m\n",
+ "a2=4\n",
+ "a3=3\n",
+ "a=0.25\n",
+ "\n",
+ "#Calculation\n",
+ "V=a1*a2*a3\n",
+ "S=((a1*a2)+(a2*a3)+(a3*a1))*a\n",
+ "T=0.16*V/S\n",
+ "\n",
+ "#Result\n",
+ "print\"Time of reverbration is\",round(T,2),\"Sec\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Time of reverbration is 0.85 Sec\n"
+ ]
+ }
+ ],
+ "prompt_number": 37
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example C.5 Page no 430"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "a1=0.03\n",
+ "s1=220\n",
+ "a2=0.80\n",
+ "s2=120\n",
+ "a3=0.06\n",
+ "s3=120\n",
+ "V=1200\n",
+ "\n",
+ "#Calculation\n",
+ "a=(a1*s1+a2*s2+a3*s3)/(s1+s2+s3)\n",
+ "a1=a*(s1+s2+s3)\n",
+ "T=0.16*V/a1\n",
+ "\n",
+ "#Result\n",
+ "print\"Average sound absorption coefficient is\", round(a,4)\n",
+ "print\"Reverberation time is\",round(T,2),\"Second\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Average sound absorption coefficient is 0.2387\n",
+ "Reverberation time is 1.75 Second\n"
+ ]
+ }
+ ],
+ "prompt_number": 47
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
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