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Journal Articles

Turn-Down Capability of Ansaldo Energia's GT26

Ralf Jakoby, Jörg Rinn, Christoph Appel, Adrien Studerus
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2022, 144(3): 031020.
Paper No: GTP-21-1452
DOI: https://doi.org/10.1115/1.4052505
Published Online: January 3, 2022
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Topics: Combustion chambers, Compressors, Emissions, Flow (Dynamics), Stress, Temperature, Pressure, Combined cycles, Cycles, Fuels
Proceedings Papers

Turn-Down Capability of Ansaldo Energia’s GT26

Ralf Jakoby, Jörg Rinn, Christoph Appel, Adrien Studerus
Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T09A007, June 7–11, 2021
Paper No: GT2021-59457
DOI: https://doi.org/10.1115/GT2021-59457
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Topics: Combined cycles, Combustion chambers, Combustion systems, Compressors, Cycles, Emissions, Energy generation, Engines, Flow (Dynamics), Fuels
Proceedings Papers

Correlations of the Convective Heat Transfer in Annular Channels With Rotating Inner Cylinder

Ralf Jakoby, Soksik Kim, Sigmar Wittig
Proc. ASME. GT1998, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A016, June 2–5, 1998
Paper No: 98-GT-097
DOI: https://doi.org/10.1115/98-GT-097
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Topics: Convection, Cylinders, Flow (Dynamics), Vortices, Heat transfer, Rotation, Stability, Axial flow, Channel flow, Cooling
Journal Articles

A Method for Estimating the Influence of Time-Dependent Vane and Blade Pressure Fields on Turbine Rim Seal Ingestion

Bruce V. Johnson, Ralf Jakoby, Dieter E. Bohn, Didier Cunat
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. April 2009, 131(2): 021005.
DOI: https://doi.org/10.1115/1.2950053
Published Online: January 22, 2009
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Topics: Blades, Cavities, Flow (Dynamics), Pressure, Cooling, Turbines, Disks, Airfoils
Proceedings Papers

Numerical Simulation of the Unsteady Flow Field in an Axial Gas Turbine Rim Seal Configuration

Ralf Jakoby, Thomas Zierer, Klas Lindblad, Jonas Larsson, Laurent deVito, Dieter E. Bohn, Joachim Funcke, Achim Decker
Proc. ASME. GT2004, Volume 4: Turbo Expo 2004, 431-440, June 14–17, 2004
Paper No: GT2004-53829
DOI: https://doi.org/10.1115/GT2004-53829
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Topics: Computer simulation, Gas turbines, Unsteady flow, Flow (Dynamics), Cavities, Sealing (Process), Annulus, Cavity flows, Cooling, Disks
Proceedings Papers

Influence of an Axial and Radial Rim Seal Geometry on Hot Gas Ingestion Into the Upstream Cavity of a 1.5-Stage Turbine

Dieter E. Bohn, Achim Decker, Nils Ohlendorf, Ralf Jakoby
Proc. ASME. GT2006, Volume 3: Heat Transfer, Parts A and B, 1413-1422, May 8–11, 2006
Paper No: GT2006-90453
DOI: https://doi.org/10.1115/GT2006-90453
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Topics: Cavities, Geometry, Rotors, Sealing (Process), Stators, Turbines
Proceedings Papers

A Method for Estimating the Influence of Time-Dependent Vane and Blade Pressure Fields on Turbine Rim Seal Ingestion

Bruce V. Johnson, Ralf Jakoby, Dieter E. Bohn, Didier Cunat
Proc. ASME. GT2006, Volume 3: Heat Transfer, Parts A and B, 1519-1530, May 8–11, 2006
Paper No: GT2006-90853
DOI: https://doi.org/10.1115/GT2006-90853
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Topics: Blades, Pressure, Turbines, Cavities, Flow (Dynamics), Fluids, Computer simulation, Coolants, Cooling, Disks