MaximumThermalEfficiencyOfACarnotEngine 2006-10-26 02:26:32 2006-10-26 02:26:32 Definition % this is the default PlanetMath preamble. as your knowledge % of TeX increases, you will probably want to edit this, but % it should be fine as is for beginners. % almost certainly you want these \usepackage{amssymb} \usepackage{amsmath} \usepackage{amsfonts} % used for TeXing text within eps files %\usepackage{psfrag} % need this for including graphics (\includegraphics) %\usepackage{graphicx} % for neatly defining theorems and propositions %\usepackage{amsthm} % making logically defined graphics %\usepackage{xypic} % there are many more packages, add them here as you need them % define commands here The maximum thermal efficiency for a Carnot engine operating between $T_c$ and $T_h$ is \begin{equation} \epsilon = 1 - \frac{T_c}{T_h} \end{equation}