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{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Chapter 2: Energy Conservation"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 2.1: overall_efficiency.sce"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"clc\n",
"\n",
"// Given data:\n",
"\n",
"Hcoal=20.0 // heating value of coal in MJ\n",
"W=200.0e3 // weight of coal in kg\n",
"E=1.2e6 // Electrical energy generated in MJ\n",
"delH=1.6e6 // Heat energy generated in MJ\n",
"ne=0.30 // electrical efficiency\n",
"nb=0.8 // thermal efficiency\n",
"\n",
"QA=Hcoal*W // total thermal energy input to plant in MJ\n",
"nco=(E+delH)/QA // efficiency of cogeneration plant\n",
"e=E/(E+delH) // electrical fraction\n",
"\n",
"nc=1/((e/ne)+(1-e)/nb) // overall efficiency\n",
"\n",
"printf('The overall efficiency is %0.2f %%',nc*100)"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Scilab",
"language": "scilab",
"name": "scilab"
},
"language_info": {
"file_extension": ".sce",
"help_links": [
{
"text": "MetaKernel Magics",
"url": "https://github.com/calysto/metakernel/blob/master/metakernel/magics/README.md"
}
],
"mimetype": "text/x-octave",
"name": "scilab",
"version": "0.7.1"
}
},
"nbformat": 4,
"nbformat_minor": 0
}
|
