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CHAPTER 2 BASIC THERMODYNAMICS OF ENGINES
Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.orgCitation: Chapter 2, Pages 17-32 (doi:10.13031/2013.24137) in Chapter 2 in Engine and Tractor Power, 4th edition. St. Joseph, Michigan: ASAE. . Copyright 2004 American Society of Agricultural and Biological Engineers, St. Joseph, Mich.
Authors: Carroll E. Goering and Alan C. Hansen
Keywords: Basic Quantities and Units of Thermodynamics, Ideal Gas Law, First Law Considerations, Pressure Changes in a Polytropic Process, Temperature Changes in a Polytropic Process, Compression Ratios and Displacement Volume, The Theoretical Otto Cycle, The Theoretical Diesel Cycle, Comparison of Otto and Diesel Cycle Efficiencies, The Dual Cycle
You will not need to learn an excessive amount about thermodynamics to understand engines. However, a few basic thermodynamic equations can provide you with good insights into the operation of engines. One such equation, for example, shows that the efficiency of gasoline engines is unlikely to ever reach 50%. Another equation can be used to reveal the conditions under which a diesel engine will start or fail to start. Thus, your study of the material in this chapter will be rewarded by better insights into engine performance.(Download PDF) (Export to EndNotes)