Many gas turbine thermodynamic cycles have been proposed which were designed to meet the propulsion requirements of future advanced aircraft. A thougthful consideration of such designs is warranted as engines operating on such cycles will give a significant improvement in off-design performance. Such performance improvements can be brought about chiefly by the extensive use of variable geometry components. With the advent of the variable area turbine, a greater flexibility will be obtained in engine control and, hence, in aicraft operation. This paper examines the performance of a variable geometry engine that is suitable for V/STOL aircraft operation and it discusses how certain aerodynamic and mechancial phenomena associated with variable area turbines may influence the design and limit the operation of future advanced gas turbines.
Some aspects of variable geometry gas turbine operation
Einige Aspekte der Ausrüstung von Gasturbinen mit variabler Geometrie
1992
7 Seiten, 10 Bilder, 1 Tabelle, 6 Quellen
Aufsatz (Konferenz)
Englisch
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