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Influence of free-stream turbulence on wake-wake interaction in an axial compressor
Henderson, AD and Walker, GJ and Hughes, JD (2004) Influence of free-stream turbulence on wake-wake interaction in an axial compressor. In: 15th Australasian Fluid Mechanics Conference, 13-17 December 2004, The University of Sydney, Sydney,.
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A turbulence generating grid has been used to increase the level of free-stream turbulence inside a 1.5 stage axial compressor to values typical of an embedded stage in a multi-stage machine.Hot-wire measurements taken in the rotor-stator axial gap have been ensemble-averaged to determine periodic fluctuations in turbulence level and velocity. These results are compared to measurements made at low turbulence levels without the turbulence grid. Increasing levels of free-stream turbulence are shown to reduce the magnitude of periodic disturbances produced by viscous interaction between the inlet guide vane (IGV) and rotor blade wakes.
|Item Type:||Conference or Workshop Item (Paper)|
|Keywords:||Free-Stream Turbulence Wake Interaction Axial Compressor|
|Date Deposited:||20 Jan 2009 04:16|
|Last Modified:||18 Nov 2014 03:54|
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