<!DOCTYPE html> <html class="writer-html5" lang="en" > <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Thermal machines — Thermal machines 1.0 documentation</title> <link rel="stylesheet" href="_static/css/theme.css" type="text/css" /> <link rel="stylesheet" href="_static/pygments.css" type="text/css" /> <!--[if lt IE 9]> <script src="_static/js/html5shiv.min.js"></script> <![endif]--> <script type="text/javascript" id="documentation_options" data-url_root="./" src="_static/documentation_options.js"></script> <script src="_static/jquery.js"></script> <script src="_static/underscore.js"></script> <script src="_static/doctools.js"></script> <script type="text/javascript" src="_static/js/theme.js"></script> <link rel="index" title="Index" href="genindex.html" /> <link rel="search" title="Search" href="search.html" /> <link rel="next" title="1. Balance equations" href="chap1_balanceEquations_Chap.html" /> </head> <body class="wy-body-for-nav"> <div class="wy-grid-for-nav"> <nav data-toggle="wy-nav-shift" class="wy-nav-side"> <div class="wy-side-scroll"> <div class="wy-side-nav-search" > <a href="#" class="icon icon-home" alt="Documentation Home"> Thermal machines </a> <div class="version"> 1.0 </div> <div role="search"> <form id="rtd-search-form" class="wy-form" action="search.html" method="get"> <input type="text" name="q" placeholder="Search docs" /> <input type="hidden" name="check_keywords" value="yes" /> <input type="hidden" name="area" value="default" /> </form> </div> </div> <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation"> <p class="caption"><span class="caption-text">Contents:</span></p> <ul> <li class="toctree-l1"><a class="reference internal" href="chap1_balanceEquations_Chap.html">1. Balance equations</a></li> <li class="toctree-l1"><a class="reference internal" href="chap2_thermMachinesBasics_Chap.html">2. Thermal machines: Basics</a></li> <li class="toctree-l1"><a class="reference internal" href="chap3_CompExpGas_Chap.html">3. Compression / Expansion of Gas and vapors</a></li> <li class="toctree-l1"><a class="reference internal" href="chap4_ThermalEngines_Chap.html">4. Heat engines</a></li> <li class="toctree-l1"><a class="reference internal" href="chap5_ThermalGenerators_Chap.html">5. Heat pumps and refrigerators</a></li> <li class="toctree-l1"><a class="reference internal" href="zBibliography.html">6. References</a></li> </ul> </div> </div> </nav> <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"> <nav class="wy-nav-top" aria-label="top navigation"> <i data-toggle="wy-nav-top" class="fa fa-bars"></i> <a href="#">Thermal machines</a> </nav> <div class="wy-nav-content"> <div class="rst-content"> <div role="navigation" aria-label="breadcrumbs navigation"> <ul class="wy-breadcrumbs"> <li><a href="#" class="icon icon-home"></a> »</li> <li>Thermal machines</li> <li class="wy-breadcrumbs-aside"> <a href="_sources/index.rst.txt" rel="nofollow"> View page source</a> </li> </ul> <hr/> </div> <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article"> <div itemprop="articleBody"> <div class="section" id="thermal-machines"> <h1>Thermal machines<a class="headerlink" href="#thermal-machines" title="Permalink to this headline">¶</a></h1> <p>A <strong>thermal machine</strong> is a device that permits energy conversion. It consists generally in a set of components such as compressors, turbines, combustion chambers, pumps, heat exchangers, valves, etc. Components of a thermal machine may be crossed by a working fluid (gas or liquid) and then represent open subsystems that can exchange heat and work.</p> <p>A thermal machine may be:</p> <blockquote> <div><ul class="simple"> <li><p>A heat engine: it converts thermal energy to produce a mechanical work.</p></li> <li><p>A refrigerator or a heat pump: it uses a mechanical work to transfer thermal energy from a source to a sink.</p></li> </ul> </div></blockquote> <p>This course presents the basics requisities for an engineer to understand, study and developp <em>thermal machines</em>. It is dedicated to engineer student with a background in thermodynamics for closed systems and basics of fluid mechanics.</p> <p>The course contains 5 chapters:</p> <blockquote> <div><ul class="simple"> <li><p>The first section is a recall of thermodynamics and introduction to fluid mechanics courses. Balance equations are recalled and applied to a control volume representing a component of a thermal machine.</p></li> <li><p>The second section presents the basics of energy conversion using thermal machines as well as reference thermodynamics cycles.</p></li> <li><p>The third section is devoted to the specific notion of compression/expansion of a gas and how to optimize these thermodynamics transformations.</p></li> <li><p>The fourth section is describing classical heat engines: internal reciprocating heat engines, gas turbines and steam turbines.</p></li> <li><p>The fifth section is devoted to heat pumps and refrigerators.</p></li> </ul> </div></blockquote> <div class="toctree-wrapper compound"> <p class="caption"><span class="caption-text">Contents:</span></p> <ul> <li class="toctree-l1"><a class="reference internal" href="chap1_balanceEquations_Chap.html">1. Balance equations</a><ul> <li class="toctree-l2"><a class="reference internal" href="chap1_2BalanceForControlVolume.html">1.1. Balance equations for open systems</a></li> <li class="toctree-l2"><a class="reference internal" href="chap1_3Applications.html">1.2. Applications</a></li> </ul> </li> <li class="toctree-l1"><a class="reference internal" href="chap2_thermMachinesBasics_Chap.html">2. Thermal machines: Basics</a><ul> <li class="toctree-l2"><a class="reference internal" href="chap2_1EnergyConversion.html">2.1. Energy conversion</a></li> <li class="toctree-l2"><a class="reference internal" href="chap2_2Cycles.html">2.2. Cycles</a></li> </ul> </li> <li class="toctree-l1"><a class="reference internal" href="chap3_CompExpGas_Chap.html">3. Compression / Expansion of Gas and vapors</a><ul> <li class="toctree-l2"><a class="reference internal" href="chap3_1Transformations.html">3.1. Compressions/Expansions</a></li> <li class="toctree-l2"><a class="reference internal" href="chap3_2Optimisation.html">3.2. Optimisation of Compression/Expansion</a></li> <li class="toctree-l2"><a class="reference internal" href="chap3_3Overview.html">3.3. Overview of comp/exp systems</a></li> </ul> </li> <li class="toctree-l1"><a class="reference internal" href="chap4_ThermalEngines_Chap.html">4. Heat engines</a><ul> <li class="toctree-l2"><a class="reference internal" href="chap4_1RICE.html">4.1. Reciprocating internal combustion engine</a></li> <li class="toctree-l2"><a class="reference internal" href="chap4_3GasTurbines.html">4.2. Gas Turbines</a></li> <li class="toctree-l2"><a class="reference internal" href="chap4_4SteamTurbines.html">4.3. Steam turbines</a></li> <li class="toctree-l2"><a class="reference internal" href="chap4_5Cogeneration.html">4.4. Combined cycles / Cogeneration</a></li> </ul> </li> <li class="toctree-l1"><a class="reference internal" href="chap5_ThermalGenerators_Chap.html">5. Heat pumps and refrigerators</a><ul> <li class="toctree-l2"><a class="reference internal" href="chap5_1GasGenerator.html">5.1. Gas heat pump and refrigeration cycle</a></li> <li class="toctree-l2"><a class="reference internal" href="chap5_2VaporCompMachines.html">5.2. Vapor compression machines</a></li> </ul> </li> <li class="toctree-l1"><a class="reference internal" href="zBibliography.html">6. References</a></li> </ul> </div> </div> <div class="section" id="table-of-contents"> <h1>Table of contents<a class="headerlink" href="#table-of-contents" title="Permalink to this headline">¶</a></h1> <ul class="simple"> <li><p><a class="reference internal" href="genindex.html"><span class="std std-ref">Index</span></a></p></li> <li><p><a class="reference internal" href="search.html"><span class="std std-ref">Search Page</span></a></p></li> </ul> </div> </div> </div> <footer> <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation"> <a href="chap1_balanceEquations_Chap.html" class="btn btn-neutral float-right" title="1. 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