Community Research and Development Information Service - CORDIS


This project has addressed the problems of heat transfer and fluid flow within gas turbine internal cooling air systems, with the aim of improving air system designs for both advanced aircraft and electrical power generation gas turbines. The topics studied were: turbine annulus hot gas ingestion control; air flow and heat transfer in rotating cavities with axial and axial/radial throughflow; heating which occurs in compressor stator wells; turbine cooling air pre-swirl systems; air flow and heat transfer in a high pressure compressor drive cone cavity. Experiments run by the university partners have yielded an extensive database of steady and unsteady pressure, temperature, heat flux and velocity measurements which have been used by the industrial partners to validate CFD modelling methods.

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