path: root/Industrial_Instrumentation_by_K_Krishnaswamy_And_S_Vijayachitra/1-Temperature.ipynb

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 {
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	   "source": [
       "# Chapter 1: Temperature"
	   ]
	},
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.1: Temperature_Conversion.sce"
		   ]
		  },
  {
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"source": [
"// Example 1.1, page no-53\n",
"clear\n",
"clc\n",
"\n",
"c=-40\n",
"k=c+273\n",
"printf('\nK=%d°K', k)\n",
"F=((9/5)*c)+32\n",
"printf('\nF=%d°F',F)\n",
"R=((9/5)*c)+492\n",
"printf('\nR=%d°R',R)"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.2: percentage_Accuracy_and_Error.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
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	   "outputs": [],
"source": [
"// Example 1.2, page no-53\n",
"clear\n",
"clc\n",
"\n",
"span=1000\n",
"accuracy=1/100\n",
"err=span*accuracy\n",
"printf('(a)\nAs error can be either positive or negative ,\n the probable error at any point on the scale = %d°C',err)\n",
"max_scale=1200\n",
"Range_instr=max_scale+span\n",
"printf('\n(b)\nRange of the Instrument = %d°C',Range_instr)\n",
"meter_reading=700\n",
"per_of_err=(err/meter_reading)*100\n",
"printf('\n(c)\nPercentage of Error = ± %.2f%% ',per_of_err)"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.3: Two_wire_RTD.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
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	   "outputs": [],
"source": [
"// Example 1.3, page no-54\n",
"clear\n",
"clc\n",
"resi_per_leg=5\n",
"temp_coeff=0.385\n",
"R_due_to_leadwires=2*resi_per_leg\n",
"err=R_due_to_leadwires/temp_coeff\n",
"err=ceil(err)\n",
"printf('(a)\nThe contribution of 10 ohms lead wire resistance \nto the measurement error = %d°C',err)\n",
"temp_obj=200\n",
"temp_measured=temp_obj+err\n",
"per_of_err=((temp_measured-temp_obj)/temp_obj)*100\n",
"printf('\n(b)\nPercentage of Error = %d%%',per_of_err)"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.4: Thermocouple_temperature_measurement.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"// Example 1.4, page no-54\n",
"clear\n",
"clc\n",
"\n",
"temp=2.022\n",
"millivolt_cor=37.325\n",
"op=millivolt_cor-temp\n",
"printf('Millivolt output available=% .3f',op)"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.5: Hot_junction_temperature_of_thermocouple.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"// Example 1.5, page no-54\n",
"clear\n",
"clc\n",
"millivolt_cor=2.585\n",
"pot_reading=30.511\n",
"corrected_millivolt=pot_reading+millivolt_cor\n",
"printf('Temperature correspond to %.3f mV from the table = 600°C',corrected_millivolt)"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.6: Caliberation_of_an_instrument.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"// Example 1.6, page no-54\n",
"clear\n",
"clc\n",
"ref_jun=100\n",
"mV_100=0.645\n",
"mV_1000=9.585\n",
"mV_1200=11.947\n",
"op1=mV_1000-mV_100\n",
"op2=mV_1200-mV_100\n",
"printf('Millivolt to be fed checking 1000 C = %.3f mV',op1)\n",
"printf('\nMillivolt to be fed checking 1200 C = %.3f mV',op2)"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.7: Wall_temperature_measurement.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"// Example 1.7, page no-55\n",
"clear\n",
"clc\n",
"E_rec_pyro=0.95*0.85\n",
"T=1100/E_rec_pyro\n",
"printf('Pyrometer reading T = %.2f°C',T)"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.8: Thermocouple_output.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"// Example 1.8, page no-55\n",
"clear\n",
"clc\n",
"//(a)\n",
"hot1_mV=41.29\n",
"cold1_mV=2.022\n",
"op1=hot1_mV-cold1_mV\n",
"\n",
"//(b)\n",
"hot2_mV=33.096\n",
"cold2_mV=2.585\n",
"op2=hot2_mV-cold2_mV\n",
"\n",
"//(c)\n",
"hot3_mV=11.947\n",
"cold3_mV=0.299\n",
"op3=hot3_mV-cold3_mV\n",
"\n",
"printf('(a)\nOutput Millivolt = %.3f',op1)\n",
"printf('\n(b)\nOutput Millivolt = %.3f',op2)\n",
"printf('\n(c)\nAs the wrongly formed thermocouples at J1 and J2 will always oppose\n the main millivolt output, the net output will be lower than normal value.\nOutput mV<%.3f',op3)"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.9: electtronic_temperature_transmitter.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"// Example 1.9, page no-56\n",
"clear\n",
"clc\n",
"\n",
"Rl_ind=250\n",
"Rl_rec=250\n",
"load_connected= Rl_ind+Rl_rec\n",
"load_allowable=600\n",
"max_load_controller=load_allowable-load_connected\n",
"printf('(a)\nThe max load to the controller = %d ohms',max_load_controller)\n",
"\n",
"op_cont=600\n",
"total=Rl_ind+Rl_rec+load_allowable\n",
"extra_load=total-op_cont\n",
"printf('\n(b)\nExtra Load = %d ohms',extra_load)\n",
"\n",
"printf('\nAdditional Power Supply voltage required=10 V')\n",
"\n",
"printf('\nMinimum Power Supply Voltage=34 ')"
   ]
   }
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