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Proceedings Papers

Heat Transfer to a Rotating Drum in an Annulus With a Stator Blade Row and Axial Throughflow

P. R. N. Childs, A. B. Turner, C. M. Vaughan, D. Rayner, F. J. Bayley
Proc. ASME. GT1992, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A029, June 1–4, 1992
Paper No: 92-GT-249
DOI: https://doi.org/10.1115/92-GT-249
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Topics: Annulus, Blades, Heat transfer, Stators, Rotors, Reynolds number, Clearances (Engineering), Compressors, Heat flux, Thermocouples
Proceedings Papers

Air Temperature Rises in Compressor and Turbine Stator Wells

F. J. Bayley, P. R. N. Childs
Proc. ASME. GT1994, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A034, June 13–16, 1994
Paper No: 94-GT-185
DOI: https://doi.org/10.1115/94-GT-185
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Topics: Compressors, Stators, Temperature, Turbines, Wells, Flow (Dynamics), Fluids, Leakage, Rotors, Axial flow
Proceedings Papers

The Impact of Machining Techniques on Centrifugal Compressor Impeller Performance

P. R. N. Childs, M. B. Noronha
Proc. ASME. GT1997, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A082, June 2–5, 1997
Paper No: 97-GT-456
DOI: https://doi.org/10.1115/97-GT-456
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Topics: Compressor impellers, Machining, Surface roughness, Impellers, Manufacturing, Compressors, Modeling, Blades, Computer numerical control machine tools, Flow (Dynamics)
Proceedings Papers

A Review of Some Current Problems in Gas Turbine Secondary Systems

A. B. Turner, C. A. Long, P. R. N. Childs, N. J. Hills, J. A. Millward
Proc. ASME. GT1997, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T09A061, June 2–5, 1997
Paper No: 97-GT-325
DOI: https://doi.org/10.1115/97-GT-325
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Topics: Gas turbines, Compressors, Turbines, Flow (Dynamics), Stators, Cavities, Coolants, Disks, Heat transfer, High pressure (Physics)
Proceedings Papers

A Three Dimensional Computational Study of Windage Heating Within an Axial Compressor Stator Well

H. K. Ozturk, P. R. N. Childs, A. B. Turner, J. M. Hannis, J. R. Turner
Proc. ASME. GT1998, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A022, June 2–5, 1998
Paper No: 98-GT-119
DOI: https://doi.org/10.1115/98-GT-119
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Topics: Compressors, Heating, Stators, Blades, Flow (Dynamics), Geometry, Annulus, Boundary-value problems, Cavities, Fluids
Proceedings Papers

Radial Inflow Into the Downstream Cavity of a Compressor Stator Well

R. M. Scott, P. R. N. Childs, N. J. Hills, J. A. Millward
Proc. ASME. GT2000, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A076, May 8–11, 2000
Paper No: 2000-GT-0507
DOI: https://doi.org/10.1115/2000-GT-0507
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Topics: Cavities, Compressors, Inflow, Stators, Flow (Dynamics), Blades, Computational fluid dynamics, Pressure gradient, Annulus, Disks
Proceedings Papers

Tip Clearance Control Concept in Gas Turbine H.P. Compressors

G. I. Ekong, C. A. Long, P. R. N. Childs
Proc. ASME. IMECE2012, Volume 1: Advances in Aerospace Technology, 433-441, November 9–15, 2012
Paper No: IMECE2012-93063
DOI: https://doi.org/10.1115/IMECE2012-93063
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Topics: Clearances (Engineering), Compressors, Gas turbines, Aircraft engines, Cavities, Cycles, Engines, Blades, Design, Flow (Dynamics)
Journal Articles

Experimental Investigation of Turbine Stator Well Rim Seal, Re-Ingestion and Interstage Seal Flows Using Gas Concentration Techniques and Displacement Measurements

D. Eastwood, D. D. Coren, C. A. Long, N. R. Atkins, P. R. N. Childs, T. J. Scanlon, A. Guijarro-Valencia
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Gas Turbines: Structures And Dynamics
J. Eng. Gas Turbines Power. August 2012, 134(8): 082501.
DOI: https://doi.org/10.1115/1.4005967
Published Online: June 21, 2012
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Topics: Cooling, Flow (Dynamics), Stators, Annulus, Cavities, Turbines, Coolants
Proceedings Papers

The Influence of Turbine Stator Well Coolant Flow Rate and Passage Configuration on Cooling Effectiveness

D. D. Coren, N. R. Atkins, C. A. Long, D. Eastwood, P. R. N. Childs, A. Guijarro-Valencia, J. A. Dixon
Proc. ASME. GT2011, Volume 5: Heat Transfer, Parts A and B, 981-992, June 6–10, 2011
Paper No: GT2011-46448
DOI: https://doi.org/10.1115/GT2011-46448
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Topics: Coolants, Cooling, Flow (Dynamics), Stators, Turbines, Engines, Compressors, Computational fluid dynamics, Geometry, Aircraft engines
Proceedings Papers

Experimental Investigation of Turbine Stator Well Rim Seal, Re-Ingestion and Interstage Seal Flows Using Gas Concentration Techniques and Displacement Measurements

D. Eastwood, D. D. Coren, C. A. Long, N. R. Atkins, P. R. N. Childs, T. J. Scanlon, A. Guijarro-Valencia
Proc. ASME. GT2011, Volume 5: Heat Transfer, Parts A and B, 859-870, June 6–10, 2011
Paper No: GT2011-45874
DOI: https://doi.org/10.1115/GT2011-45874
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Topics: Displacement measurement, Flow (Dynamics), Stators, Turbines, Cooling, Annulus, Cavities, Test facilities, Cavity flows, Computational fluid dynamics
Proceedings Papers

An Advanced Multi-Configuration Stator Well Cooling Test Facility

D. D. Coren, N. R. Atkins, J. R. Turner, D. E. Eastwood, S. Davies, P. R. N. Childs, J. Dixon, T. S. Scanlon
Proc. ASME. GT2010, Volume 4: Heat Transfer, Parts A and B, 1259-1270, June 14–18, 2010
Paper No: GT2010-23450
DOI: https://doi.org/10.1115/GT2010-23450
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Topics: Cooling, Stators, Test facilities, Flow (Dynamics), Coolants, Engines, Annulus, Cavities, Displacement, Gas turbines
Proceedings Papers

An Experimental Study of Sprays in Cross Flow Representative of Gas Turbine Engine Secondary Air Systems

N. J. Regan, N. R. Atkins, C. A. Long, P. R. N. Childs, P. S. Hutcheson, K. J. Hart
Proc. ASME. GT2009, Volume 1: Aircraft Engine; Ceramics; Coal, Biomass and Alternative Fuels; Controls, Diagnostics and Instrumentation; Education; Electric Power; Awards and Honors, 133-143, June 8–12, 2009
Paper No: GT2009-59709
DOI: https://doi.org/10.1115/GT2009-59709
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Topics: Cross-flow, Gas turbines, Sprays, Drops, Flow (Dynamics), Pipes, Design, Fracture (Materials), Fracture (Process), Lasers
Journal Articles

1997 John P. Davis Award: The Impact of Machining Techniques on Centrifugal Compressor Impeller Performance

P. R. N. Childs, M. B. Noronha
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. October 1999, 121(4): 637–643.
DOI: https://doi.org/10.1115/1.2836715
Published Online: October 1, 1999
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Topics: Compressor impellers, Machining, Surface roughness, Impellers, Manufacturing, Compressors, Modeling, Blades, Computer numerical control machine tools, Flow (Dynamics)