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When the First Edition of this book was written in 1951, the gas turbine was just becoming established as a powerplant for military aircraft. It took another decade before the gas turbine was introduced to civil aircraft, and this market developed so rapidly that the passenger liner was rendered obsolete. Other markets like naval propulsion, pipeline compression and electrical power applications grew steadily. In recent years the gas turbine, in combination with the steam turbine, has played an ever-increasing role in power generation. Despite the rapid advances in both output and efficiency, the basic theory of the gas turbine has remained unchanged. The layout of this new edition is broadly similar to the original, but greatly expanded and updated, comprising an outline of the basic theory, aerodynamic design of individual components, and the prediction of off-design performance. The addition of a chapter devoted to the mechanical design of gas turbines greatly enhances the scope of the book. Descriptions of engine developments and current markets make this book useful to both students and practising engineers.
The fifth edition of Thermodynamic and Transport Properties of Fluids incorporates two new tables: other material is being retained essentially as in the fourth edition, although tables beyond p.11 will be on different pages.The new tables are as follows: Data of Refrigerant 134a (tetrafluoroethane – CH2F-CF3) are being added because this refrigerant is environmentally more acceptable than Refrigerant 12 which it replaces. The table of R12 is being retained, however, because R12 will survive in much equipment for a long time. At present it is still uncertain whether R134a is a medium-term substitute, or will be used for much longer than a decade.Figure 15.11 from Engineering Thermodynamics, Work and Heat Transfer (Rogers & Mayhew, Longman 1992) is being included. The table contains, for selected substances, molar enthalpies and molar Gibbs functions of formation, and Equilibrium constants of formation, as well as molar heat capacities and absolute entropies.