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Karsten Knobloch
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Proceedings Papers

Thermoacoustic Characterization of a Swirl Premixed Flame Using Doak’s Momentum Potential Theory

Raffaele D’Aniello, Simon Gövert, Bertram Janus, Karsten Knobloch
Proc. ASME. GT2023, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A007, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102831
https://doi.org/10.1115/GT2023-102831
View Paper titled, Thermoacoustic Characterization of a Swirl Premixed Flame Using Doak’s Momentum Potential Theory
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Topics: Flames, Momentum, Potential theory (Physics)
Proceedings Papers

APU-Noise Reduction by Novel Muffler Concepts

Karsten Knobloch, Lars Enghardt, Friedrich Bake
Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT43A009, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76762
https://doi.org/10.1115/GT2018-76762
View Paper titled, APU-Noise Reduction by Novel Muffler Concepts
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Topics: Noise (Sound), Silencers, Cavities, Design, Flow (Dynamics), Absorption, Acoustics, Damping, Ducts, Microphones
Journal Articles

Experimental Investigation of Cycle Properties, Noise, and Air Pollutant Emissions of an APS3200 Auxiliary Power Unit

Teresa Siebel, Jan Zanger, Andreas Huber, Manfred Aigner, Karsten Knobloch, Friedrich Bake
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2018, 140(6): 061201.
Paper No: GTP-17-1390
https://doi.org/10.1115/1.4038159
Published Online: February 13, 2018
View Article titled, Experimental Investigation of Cycle Properties, Noise, and Air Pollutant Emissions of an APS3200 Auxiliary Power Unit
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Topics: Emissions, Exhaust systems, Flow (Dynamics), Noise (Sound), Stress, Temperature, Pressure, Nitrogen oxides, Cycles, Fuels
Proceedings Papers

Experimental Investigation of Cycle Properties, Noise and Air Pollutant Emissions of an APS3200 Auxiliary Power Unit

Teresa Siebel, Jan Zanger, Andreas Huber, Manfred Aigner, Karsten Knobloch, Friedrich Bake
Proc. ASME. GT2017, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Honors and Awards, V001T01A012, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63523
https://doi.org/10.1115/GT2017-63523
View Paper titled, Experimental Investigation of Cycle Properties, Noise and Air Pollutant Emissions of an APS3200 Auxiliary Power Unit
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Topics: Air pollution, Cycles, Emissions, Noise (Sound), Exhaust systems, Aircraft, Flow (Dynamics), Optimization, Stress, Acoustics
Journal Articles

Experimental Assessment of Noise Generation and Transmission in a High-Pressure Transonic Turbine Stage

Karsten Knobloch, Lars Neuhaus, Friedrich Bake, Paolo Gaetani, Giacomo Persico
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. October 2017, 139(10): 101006.
Paper No: TURBO-16-1278
https://doi.org/10.1115/1.4036344
Published Online: May 9, 2017
View Article titled, Experimental Assessment of Noise Generation and Transmission in a High-Pressure Transonic Turbine Stage
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Topics: Acoustics, Entropy, Excitation, Flow (Dynamics), Noise (Sound), Rotors, Stators, Turbines, Vorticity, Waves
Proceedings Papers

Experimental Assessment of Noise Generation and Transmission in a High-Pressure Transonic Turbine Stage

Karsten Knobloch, Lars Neuhaus, Friedrich Bake, Paolo Gaetani, Giacomo Persico
Proc. ASME. GT2016, Volume 2A: Turbomachinery, V02AT41A007, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57209
https://doi.org/10.1115/GT2016-57209
View Paper titled, Experimental Assessment of Noise Generation and Transmission in a High-Pressure Transonic Turbine Stage
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Topics: High pressure (Physics), Noise (Sound), Turbines, Acoustics, Aircraft engines, Combustion, Combustion chambers, Engines, Entropy, Excitation
Proceedings Papers

Noise Generation in Hot Nozzle Flow

Karsten Knobloch, Tiago Werner, Friedrich Bake
Proc. ASME. GT2015, Volume 2B: Turbomachinery, V02BT41A012, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-43702
https://doi.org/10.1115/GT2015-43702
View Paper titled, Noise Generation in Hot Nozzle Flow
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Topics: Flow (Dynamics), Noise (Sound), Nozzles, Combustion, Mach number, Acoustics, Aerospace industry, Combustion chambers, Entropy, Fluctuations (Physics)
Proceedings Papers

Full-Scale Tests on APU Noise Reduction

Karsten Knobloch, André Fischer, Friedrich Bake, Lars Enghardt, Stefan Busse-Gerstengarbe
Proc. ASME. GT2014, Volume 2A: Turbomachinery, V02AT41A011, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-26803
https://doi.org/10.1115/GT2014-26803
View Paper titled, Full-Scale Tests on APU Noise Reduction
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Topics: Noise control, Emissions, Exhaust systems, Noise (Sound), Silencers, Aircraft, Control systems, Engines, Microphones
Proceedings Papers

Acoustic Measurements of Perforated Liners in Hot and Pressurized Flow

Claus Lahiri, Karsten Knobloch, Friedrich Bake, Lars Enghardt
Proc. ASME. GT2013, Volume 1A: Combustion, Fuels and Emissions, V01AT04A045, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-94674
https://doi.org/10.1115/GT2013-94674
View Paper titled, Acoustic Measurements of Perforated Liners in Hot and Pressurized Flow
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Topics: Acoustics, Flow (Dynamics), Combustion chambers, Temperature, Design, High pressure (Physics), High temperature, Pressure, Testing, Absorption
Proceedings Papers

Hot-Acoustic-Testrig (HAT): A Unique Facility for Thermoacoustic Research

Karsten Knobloch, Claus Lahiri, Lars Enghardt, Friedrich Bake, Dieter Peitsch
Proc. ASME. GT2011, Volume 7: Turbomachinery, Parts A, B, and C, 1023-1032, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-45705
https://doi.org/10.1115/GT2011-45705
View Paper titled, Hot-Acoustic-Testrig (HAT): A Unique Facility for Thermoacoustic Research
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Topics: Acoustics, Flow (Dynamics), Boundary-value problems, Damping, Gas turbines, Instrumentation, Pressure, Temperature, Test facilities
Proceedings Papers

Hot-Wire Measurements in a High Speed Counter Rotating Turbo Fan Rig

Robert Meyer, Karsten Knobloch, Johannes Linden
Proc. ASME. GT2010, Volume 7: Turbomachinery, Parts A, B, and C, 247-254, June 14–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: GT2010-22569
https://doi.org/10.1115/GT2010-22569
View Paper titled, Hot-Wire Measurements in a High Speed Counter Rotating Turbo Fan Rig
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Topics: Turbochargers, Wire, Rotors, Turbulence, Unsteady flow, Wakes, Aerospace industry, Blades, Emission spectroscopy, Flow (Dynamics)
Proceedings Papers

Measurements of Density Pulsations in the Outlet Nozzle of a Combustion Chamber by Rayleigh-Scattering Searching Entropy Waves

Anne Rausch, Andre Fischer, Holger Konle, Andrea Gaertlein, Steffen Nitsch, Karsten Knobloch, Friedrich Bake, Ingo Ro¨hle
Proc. ASME. GT2010, Volume 3: Controls, Diagnostics and Instrumentation; Cycle Innovations; Marine, 67-78, June 14–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: GT2010-22492
https://doi.org/10.1115/GT2010-22492
View Paper titled, Measurements of Density Pulsations in the Outlet Nozzle of a Combustion Chamber by Rayleigh-Scattering Searching Entropy Waves
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Topics: Combustion chambers, Density, Entropy, Nozzles, Optical measurement, Oscillations, Rayleigh scattering, Waves
Journal Articles

Measurements of Density Pulsations in the Outlet Nozzle of a Combustion Chamber by Rayleigh-Scattering Searching Entropy Waves

Anne Rausch, Andre Fischer, Holger Konle, Andrea Gaertlein, Steffen Nitsch, Karsten Knobloch, Friedrich Bake, Ingo Röhle
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2011, 133(3): 031601.
https://doi.org/10.1115/1.4002018
Published Online: November 10, 2010
View Article titled, Measurements of Density Pulsations in the Outlet Nozzle of a Combustion Chamber by Rayleigh-Scattering Searching Entropy Waves
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Topics: Combustion chambers, Density, Entropy, Nozzles, Oscillations, Rayleigh scattering, Waves, Pressure, Combustion, Acoustics
Proceedings Papers

Exploratory Experiments on Machined Riblets for 2-D Compressor Blades

Karsten Oehlert, Joerg R. Seume, Frank Siegel, Andreas Ostendorf, Bo Wang, Berend Denkena, Taras Vynnyk, Eduard Reithmeier, Wolfram Hage, Karsten Knobloch, Robert Meyer
Proc. ASME. IMECE2007, Volume 1: Advances in Aerospace Technology, 25-39, November 11–15, 2007
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2007-43457
https://doi.org/10.1115/IMECE2007-43457
View Paper titled, Exploratory Experiments on Machined Riblets for 2-D Compressor Blades
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Topics: Blades, Compressors, Lasers, Skin friction (Fluid dynamics), Grinding, Ablation (Vaporization technology), Cascades (Fluid dynamics), Flat plates, Geometry, Machining