2003
DOI: 10.1115/1.1516195
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Measurement and CFD Prediction of the Flow Within an HP Compressor Drive Cone

Abstract: In some gas turbine aeroengines, the HP compressor is driven by the H.P. turbine through a conical shaft or drive cone. This drive cone is enclosed by a stationary surface that forms the supporting material for the combustion chambers. Air used to cool the turbine blades is directed into the space around the drive cone, and a major concern to an engine designer is the temperature rise in this air due to frictional dissipation and heat transfer. This paper presents results from a combined experimental and CFD i… Show more

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Cited by 2 publications
(2 citation statements)
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“…The solution for the interior of this cavity showed almost forced vortex behaviour which is consistent with previous experimental and numerical studies by Long et al. 20 and Tham et al. 21 In the axisymmetric solutions, the air rotated at almost 0.5 and 0.39 times the speed of the HP shaft upstream and downstream of the bolt location, respectively.…”
Section: Cfd Modelssupporting
confidence: 89%
“…The solution for the interior of this cavity showed almost forced vortex behaviour which is consistent with previous experimental and numerical studies by Long et al. 20 and Tham et al. 21 In the axisymmetric solutions, the air rotated at almost 0.5 and 0.39 times the speed of the HP shaft upstream and downstream of the bolt location, respectively.…”
Section: Cfd Modelssupporting
confidence: 89%
“…For sufficiently high rotational velocities and cone angles, results for the conical rotor-stator configuration show a flow regime similar to that found in the discoidal one. A detailed numerical and experimental study of the flow field in a compressor rear cone at large relative spacing is presented in [11]. For no superposed flow the authors find a similar flow structure of the conical rotor-stator system and a discoidal one.…”
Section: Introductionmentioning
confidence: 95%