Die Energie der Welt ist constant. Die Entropie der Welt strebt einem Maximum zu.
Rudolf J. Clausius, on the First and Second Laws of thermodynamics—1865
This appendix is intended to give the reader a thumbnail sketch of the elements of thermodynamics, sufficient to allow an understanding of the concepts used in Parts 2 and 3 of the book. It cannot replace a proper exposition of the subject, which normally takes several semesters of study in an engineering curriculum.
A thermodynamic system is a well-defined region of space, within which resides the focus of one’s attention, e.g., a turbine, heat exchanger, flash vessel, etc. A system can be: (1) closed (no mass crosses the ...