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+{
+ "cells": [
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "# Chapter 3:Measurement of non electrical quantities"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Exa 3.1"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 20,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "deflection of screen corresponding to maximum pressure for sensitivity of 1mV/mm =350.0 mm\n",
+ "sinch the length of the screen is 100mm so waveform is out of range and hence sensitivity setting of 1mV/mm should not be used\n",
+ "deflection of screen corresponding to maximum pressure for sensitivity of 5mV/mm =70.0 mm\n",
+ "delection is within the range\n",
+ "deflection of screen corresponding to maximum pressure for sensitivity of 20mV/mm =17.0 mm\n",
+ "delection is within the range\n",
+ "deflection of screen corresponding to maximum pressure for sensitivity of 10mV/mm =3.0 mm\n",
+ "delection is within the range\n",
+ "deflection of screen corresponding to maximum pressure for sensitivity of 500mV/mm =0.0 mm\n",
+ "delection is within the range\n",
+ "since the sensitivity of 5mV/mm gives higher deflection so it is the optimum sensitivity\n"
+ ]
+ }
+ ],
+ "source": [
+ "# 3.1\n",
+ "import math\n",
+ "Aou=700*25*1/100;\n",
+ "Aol=100*25*1/100;\n",
+ "AouPtP= 2*Aou;\n",
+ "AolPtP= 2*Aol;\n",
+ "Se1=1;\n",
+ "D1=AouPtP/Se1;\n",
+ "print (\"deflection of screen corresponding to maximum pressure for sensitivity of 1mV/mm =%.1f mm\" %D1)\n",
+ "print ('sinch the length of the screen is 100mm so waveform is out of range and hence sensitivity setting of 1mV/mm should not be used')\n",
+ "Se2=5;\n",
+ "D2=AouPtP/Se2;\n",
+ "print (\"deflection of screen corresponding to maximum pressure for sensitivity of 5mV/mm =%.1f mm\" %D2)\n",
+ "print ('delection is within the range')\n",
+ "Se3=20;\n",
+ "D3=AouPtP/Se3;\n",
+ "print (\"deflection of screen corresponding to maximum pressure for sensitivity of 20mV/mm =%.1f mm\" %D3)\n",
+ "print ('delection is within the range')\n",
+ "Se4=100;\n",
+ "D4=AouPtP/Se4;\n",
+ "print (\"deflection of screen corresponding to maximum pressure for sensitivity of 10mV/mm =%.1f mm\" %D4)\n",
+ "print ('delection is within the range')\n",
+ "Se5=500;\n",
+ "D5=AouPtP/Se5;\n",
+ "print (\"deflection of screen corresponding to maximum pressure for sensitivity of 500mV/mm =%.1f mm\" %D5)\n",
+ "print ('delection is within the range')\n",
+ "print ('since the sensitivity of 5mV/mm gives higher deflection so it is the optimum sensitivity')"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Exa 3.2"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 21,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "Radius of curvature =356.04 mm\n"
+ ]
+ }
+ ],
+ "source": [
+ "#3.2\n",
+ "import math\n",
+ "tA=1;\n",
+ "tB=1;\n",
+ "m=tA/tB;\n",
+ "EB=147.0;\n",
+ "EA=216;\n",
+ "T2=200.0;\n",
+ "T1=25;\n",
+ "n=EB/EA;\n",
+ "T=T2-T1;\n",
+ "A=12.5*10**-6;\n",
+ "B=1.7*10**-6;\n",
+ "a=3*(1+m)**2;\n",
+ "b=(1+m*n)*((m**2)+1/(m*n));\n",
+ "c= (6*(A-B)*T*(1+m)**2);\n",
+ "r=(a+b)/c;\n",
+ "print (\"Radius of curvature =%.2f mm\" %r)\n"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Exa 3.3"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 22,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "Radius of curvature =500 mm\n",
+ "vertical displacement =2 mm\n"
+ ]
+ }
+ ],
+ "source": [
+ "#3.3\n",
+ "t=2;\n",
+ "T2=180;\n",
+ "T1=20;\n",
+ "T=T2-T1;\n",
+ "A=12.5*10**-6;\n",
+ "r=t/(2*T*A);\n",
+ "print (\"Radius of curvature =%.0f mm\" %r)\n",
+ "Th=40.0/500;\n",
+ "y=r*(1.0-math.cos(Th));\n",
+ "print (\"vertical displacement =%.0f mm\" %y)\n"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Exa 3.4"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 23,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "True temperature =1853.57 degree K\n",
+ "True temperature =1580.57 degree C\n"
+ ]
+ }
+ ],
+ "source": [
+ "#3.4\n",
+ "import math\n",
+ "Ta=1480+273;\n",
+ "Tf=0.8;\n",
+ "T=Tf**-0.25*Ta;\n",
+ "print (\"True temperature =%.2f degree K\" %T)\n",
+ "Tc=T-273;\n",
+ "print (\"True temperature =%.2f degree C\" %Tc)\n",
+ "\n"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Exa 3.5"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 24,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "Error in temperature measurement=-172.91 degree C\n"
+ ]
+ }
+ ],
+ "source": [
+ "# 3.5\n",
+ "import math\n",
+ "ATC1=1065;\n",
+ "AT=ATC1+273;\n",
+ "Em1=0.82;\n",
+ "Ta=(Em1**(-0.25))*AT;\n",
+ "Em2=0.75;\n",
+ "Taa=(Em2**-0.25)*Ta;\n",
+ "ATC2=Taa-273;\n",
+ "E=ATC1-ATC2;\n",
+ "print (\"Error in temperature measurement=%.2f degree C\" %E)\n"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Exa 3.6"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 25,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "Average flow rate=0.02 degree m/s\n",
+ "Percentage decrease in voltage=1.79 degree m/s\n"
+ ]
+ }
+ ],
+ "source": [
+ "# 3.6\n",
+ "import math\n",
+ "EL=0.1;\n",
+ "Zo=250*10**3;\n",
+ "ZL=2.5*10**6;\n",
+ "Eo=EL*(1+(Zo/ZL));\n",
+ "B=0.1;\n",
+ "l=50*10**-3;\n",
+ "G=1000;\n",
+ "v=Eo/(B*l*G);\n",
+ "print (\"Average flow rate=%.2f degree m/s\" %v)\n",
+ "Zon=1.2*250*10**3;\n",
+ "ELn=2*Eo/(1+(Zon/ZL));\n",
+ "PDV=((0.2-ELn)/0.2)*100;\n",
+ "print (\"Percentage decrease in voltage=%.2f degree m/s\" %PDV)\n",
+ "\n"
+ ]
+ }
+ ],
+ "metadata": {
+ "kernelspec": {
+ "display_name": "Python [Root]",
+ "language": "python",
+ "name": "Python [Root]"
+ },
+ "language_info": {
+ "codemirror_mode": {
+ "name": "ipython",
+ "version": 2
+ },
+ "file_extension": ".py",
+ "mimetype": "text/x-python",
+ "name": "python",
+ "nbconvert_exporter": "python",
+ "pygments_lexer": "ipython2",
+ "version": "2.7.12"
+ }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 0
+}
generated by cgit (git 2.34.1) at 2025-01-11 02:54:17 +0000