Affiliation:
1. University of Cambridge Department of Engineering Trumpington Street, Cambridge, CB2 1PZ, UK
Abstract
The condition for maximum specific work from a gas-turbine engine operated on a Joule cycle is generalized to ideal gases from the well-known result obtained by using a perfect gas. An obvious corollary is shown to be the principal theorem, when the working substance is an ideal gas with specific heat capacities varying with temperature, that the turbine outlet and compressor outlet temperatures are equal. Two additional corollaries are shown to hold in general. A simple study shows that the optimum condition point is not much affected by real departures from reversible behaviour. The condition for which a regenerative heat exchanger is then desirable is found. The results are generalized to any gas for which the enthalpy is a function of temperature only.
Cited by
2 articles.
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1. A Unified Approach to Reheat in Gas and Steam Turbine Cycles;Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science;2005-06-01
2. Optimising an Intercooled Compressor for an Ideal Gas Model;International Journal of Mechanical Engineering Education;2003-07