基金Acknowledgements The authors wish to express their thanks to the following organisations which have supported this research work. The Engineering and Physical Sciences Research Council, Rolls-Royce Plc,the European Union and participating companies in the ICAS-GT2 (Flow and Heat Transfer in the Rotating Cooling Air Systems of Gas Turbines 2) programme of research, funded by the 5th Framework of the GR0WTH programme of the European Union. We are also grateful to Mr. Nicolas Mich6 for operating the test rig.