{ "cells": [ { "cell_type": "markdown", "metadata": {}, "source": [ "# Chapter 5:INTRODUCTION TO THERMAL POWER PLANT" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "## Ex5.1:pg-271" ] }, { "cell_type": "code", "execution_count": 4, "metadata": { "collapsed": false }, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "\n", "The coal required per hour,W= 50.95 tons/hr\n" ] } ], "source": [ "# Example 5_1\n", " \n", "# Given data\n", "P=100.0;# Plant capacity in Mw\n", "CV=25600.0;# Calorific value in kJ/kg\n", "n_th=30.0;# The thermal efficiency of the plant in %\n", "n_eg=92.0;# Electrical generation efficiency in %\n", "\n", "# Calculation\n", "# Mechanical energy available=W*CV*(n_th/100) in kJ/hr\n", "# Electrical energy available=W*CV*(n_th/100)*(n_eg/100) in kJ/hr\n", "q_e=P*10**3*3600;# Heat equivalent in kJ/hr\n", "W=(q_e/(CV*(n_th/100)*(n_eg/100)));# The coal required per hour in kg/hr\n", "W=(W/1000);# The coal required per hour in tons/hr\n", "print \"\\nThe coal required per hour,W=\",round(W,2),\" tons/hr\"\n" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "## Ex5.2:pg-273" ] }, { "cell_type": "code", "execution_count": 5, "metadata": { "collapsed": false }, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "\n", " The capacity of the power plant,P= 62.05 MW\n" ] } ], "source": [ "# Example 5_2\n", " \n", "# Given data\n", "CV=28900.0;#kJ/kg\n", "n_b=83.0;# The boiler efficiency in %\n", "n_t=32.0;# The turbine efficiency in %\n", "n_g=97.0;# The generator efficiency in %\n", "W=30.0;# The coal consumption of the station in tons/hr\n", "\n", "# Calculation\n", "P=((W*1000*CV)*(n_b/100)*(n_t/100)*(n_g/100))/(3600*1000);# The capacity of the power plant in MW\n", "print \"\\n The capacity of the power plant,P=\",round(P,2),\" MW\"\n" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "## Ex5.3:pg-273" ] }, { "cell_type": "code", "execution_count": 8, "metadata": { "collapsed": false }, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "The volume of gas required per hour,V= 450.0 m**3/hr\n" ] } ], "source": [ "#Example 5_3\n", "\n", "# Given values\n", "P=100.0;# Power in kW\n", "CV=4000.0;# Calorific value in kJ/m**3\n", "n_o=0.20;# Over all efficiency of the plant\n", "\n", "# Calculation\n", "V=(3600*P)/(CV*n_o);# m**3/hr\n", "print \"The volume of gas required per hour,V=\",round(V,2),\" m**3/hr\"\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": "2.7.11" } }, "nbformat": 4, "nbformat_minor": 0 }