The sixth edition of Thermodynamics: An Engineering Approach moves students toward a clear understanding and a firm grasp of the basic principles of thermodynamics. This textbook communicates directly with tomorrow's engineers in a simple yet precise manner that encourages creative thinking and is read by students with interest and enthusiasm. Over 700 new homework problems and a new media packages that includes: ARIS--which offers instructors the ability to assign and grade text-specific homework within the industry's most robust and versatile homework management system. In addition to ARIS, Cengel also offers Hands On Mechanics. This media product provides detailed instructions on to build proven, classroom tested, effective 3-D teaching tools using materials found in any lab or local hardware store.