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Wieland Uffrecht
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Proceedings Papers

Thermal Characterization of a Steam Turbine Casing Including Measuring of Adiabatic Wall Temperatures Using Proprietary Sensors

Bernhard Valerian Weigel, Stefan Odenbach, Wieland Uffrecht, Thomas Polklas
Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T22A011, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59252
https://doi.org/10.1115/GT2021-59252
View Paper titled, Thermal Characterization of a Steam Turbine Casing Including Measuring of Adiabatic Wall Temperatures Using Proprietary Sensors
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Topics: Sensors, Steam turbines, Thermal characterization, Wall temperature
Journal Articles

Experimental Results of Local Shear Stresses and Friction Torque in an Open Rotor-Stator Disk System

Alexander Kuntze, Stefan Odenbach, Wieland Uffrecht
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2021, 143(9): 091025.
Paper No: GTP-20-1523
https://doi.org/10.1115/1.4051414
Published Online: August 9, 2021
View Article titled, Experimental Results of Local Shear Stresses and Friction Torque in an Open Rotor-Stator Disk System
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Topics: Disks, Flow (Dynamics), Friction, Pressure, Rotors, Sensors, Shear stress, Stators, Torque, Reynolds number
Proceedings Papers

Experimental Results of Local Shear Stresses and Friction Torque in an Open Rotor-Stator Disc System

Alexander Kuntze, Stefan Odenbach, Wieland Uffrecht
Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT14A021, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15498
https://doi.org/10.1115/GT2020-15498
View Paper titled, Experimental Results of Local Shear Stresses and Friction Torque in an Open Rotor-Stator Disc System
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Topics: Disks, Friction, Rotors, Shear stress, Stators, Torque, Sensors, Displacement, Heat transfer coefficients, Reynolds number
Proceedings Papers

High Speed Single Cavity Rig With Axial Throughflow of Cooling Air: Rig Structure and Periphery

Eric Diemel, Stefan Odenbach, Wieland Uffrecht, Jose Rey Villazon, Antonio Guijarro Valencia, Mike Reinecke
Proc. ASME. GT2019, Volume 5B: Heat Transfer, V05BT15A010, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91265
https://doi.org/10.1115/GT2019-91265
View Paper titled, High Speed Single Cavity Rig With Axial Throughflow of Cooling Air: Rig Structure and Periphery
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Topics: Cavities, Cooling, Disks, Compressors, Fluids, Rotors, Engines, Flow (Dynamics), Gas turbines, Heat transfer
Journal Articles

Experimental Investigation of Heat Transfer in Cavities of Steam Turbine Casings Under Generic Test Rig Conditions

David Spura, Gunter Eschmann, Wieland Uffrecht, Uwe Gampe
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2019, 141(5): 051021.
Paper No: GTP-18-1569
https://doi.org/10.1115/1.4041452
Published Online: April 8, 2019
View Article titled, Experimental Investigation of Heat Transfer in Cavities of Steam Turbine Casings Under Generic Test Rig Conditions
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Topics: Cavities, Flow (Dynamics), Heat transfer coefficients, Steam turbines, Temperature, Heat transfer, Reynolds number, Space
Proceedings Papers

Telemetric Heat Transfer Coefficient Measurements in an Open Rotor-Stator System Air Gap at up to 8500 rpm

Benjamin Heinschke, Wieland Uffrecht, Stefan Odenbach, Volker Caspary
Proc. ASME. GT2018, Volume 5B: Heat Transfer, V05BT15A001, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75060
https://doi.org/10.1115/GT2018-75060
View Paper titled, Telemetric Heat Transfer Coefficient Measurements in an Open Rotor-Stator System Air Gap at up to 8500 rpm
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Topics: Heat transfer coefficients, Rotors, Stators, Heat transfer, Reynolds number, Sensors, Temperature, Calibration, Flat plates, Rotating disks
Proceedings Papers

Experimental Investigation of Heat Transfer in Cavities of Steam Turbine Casings Under Generic Test Rig Conditions

David Spura, Uwe Gampe, Gunter Eschmann, Wieland Uffrecht
Proc. ASME. GT2018, Volume 5B: Heat Transfer, V05BT13A005, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75463
https://doi.org/10.1115/GT2018-75463
View Paper titled, Experimental Investigation of Heat Transfer in Cavities of Steam Turbine Casings Under Generic Test Rig Conditions
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Topics: Cavities, Heat transfer, Steam turbines, Dimensions, Flow (Dynamics), Reynolds number, Shapes, Air flow, Corners (Structural elements), Forced convection
Proceedings Papers

The Effects of Rotation and Mass Flow on Local Heat Transfer in Rotating Cavities With Axial Throughflow

André Günther, Wieland Uffrecht, Stefan Odenbach
Proc. ASME. GT2014, Volume 5C: Heat Transfer, V05CT16A026, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-26228
https://doi.org/10.1115/GT2014-26228
View Paper titled, The Effects of Rotation and Mass Flow on Local Heat Transfer in Rotating Cavities With Axial Throughflow
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Topics: Cavities, Flow (Dynamics), Heat transfer, Rotation, Disks, Heat flux, Buoyancy, Density, Temperature, Cavity flows
Proceedings Papers

Time-Resolved Pressure Measurements at a Dual-Cavity Test Rig for Research on the Internal Air System of an Industrial Gas Turbine

André Günther, Wieland Uffrecht, Volker Caspary
Proc. ASME. GT2014, Volume 5C: Heat Transfer, V05CT16A027, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-26231
https://doi.org/10.1115/GT2014-26231
View Paper titled, Time-Resolved Pressure Measurements at a Dual-Cavity Test Rig for Research on the Internal Air System of an Industrial Gas Turbine
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Topics: Cavities, Industrial gases, Pressure measurement, Turbines, Pressure, Rotors, Flow (Dynamics), Stators, Fluctuations (Physics), Cooling
Proceedings Papers

Telemetric Measurement of Heat Transfer Coefficients in Gaseous Flow: First Test of a Recent Sensor Concept in a Rotating Application

Benjamin Heinschke, Wieland Uffrecht, André Günther, Stefan Odenbach, Volker Caspary
Proc. ASME. GT2014, Volume 6: Ceramics; Controls, Diagnostics and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T06A015, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-26239
https://doi.org/10.1115/GT2014-26239
View Paper titled, Telemetric Measurement of Heat Transfer Coefficients in Gaseous Flow: First Test of a Recent Sensor Concept in a Rotating Application
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Topics: Gas flow, Heat transfer coefficients, Sensors, Flow (Dynamics), Heat flux, Telemetry, Turbomachinery, Buoyancy, Design, Dimensions
Proceedings Papers

Measurement of Heat Transfer Coefficients in Gaseous Flow: First Test of a Recent Sensor Concept for Stationary and Oscillating Flow

Gunter Eschmann, Alexander Kuntze, Wieland Uffrecht, Stefan Odenbach
Proc. ASME. GT2014, Volume 6: Ceramics; Controls, Diagnostics and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T06A016, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-26240
https://doi.org/10.1115/GT2014-26240
View Paper titled, Measurement of Heat Transfer Coefficients in Gaseous Flow: First Test of a Recent Sensor Concept for Stationary and Oscillating Flow
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Topics: Flow (Dynamics), Gas flow, Heat transfer coefficients, Sensors, Nozzles, Heat flux, Heat transfer, Transients (Dynamics), Turbomachinery, Air flow
Proceedings Papers

Electro-Thermal Measurement of Heat Transfer Coefficients

Wieland Uffrecht, André Günther, Volker Caspary
Proc. ASME. GT2012, Volume 1: Aircraft Engine; Ceramics; Coal, Biomass and Alternative Fuels; Controls, Diagnostics and Instrumentation, 731-740, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-68144
https://doi.org/10.1115/GT2012-68144
View Paper titled, Electro-Thermal Measurement of Heat Transfer Coefficients
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Topics: Heat transfer coefficients, Flow (Dynamics), Sensors, Gas flow, Heat flux, Machinery, Temperature, Turbomachinery, Buoyancy, Calibration
Proceedings Papers

First Results of a New Test Rig for the Research on the Internal Air System of an Industrial Gas Turbine

André Günther, Wieland Uffrecht, Stefan Odenbach, Volker Caspary
Proc. ASME. GT2012, Volume 4: Heat Transfer, Parts A and B, 1889-1898, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-68198
https://doi.org/10.1115/GT2012-68198
View Paper titled, First Results of a New Test Rig for the Research on the Internal Air System of an Industrial Gas Turbine
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Topics: Industrial gases, Turbines, Cavities, Flow (Dynamics), Stators, Rotors, Cooling, Inflow, Reynolds number, Pressure
Journal Articles

Local Measurements of Disk Heat Transfer in Heated Rotating Cavities for Several Flow Regimes

André Günther, Wieland Uffrecht, Stefan Odenbach
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2012, 134(5): 051016.
https://doi.org/10.1115/1.4003965
Published Online: May 11, 2012
View Article titled, Local Measurements of Disk Heat Transfer in Heated Rotating Cavities for Several Flow Regimes
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Topics: Cavities, Disks, Flow (Dynamics), Heat flux, Heat transfer, Inflow, Temperature, Uncertainty
Journal Articles

The Deduction of the Integral and the Estimation of the Local Core Rotation Ratio by Telemetric Pressure Measurements in a Two Cavity Test Rig

Wieland Uffrecht, André Günther
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. April 2012, 134(4): 042502.
https://doi.org/10.1115/1.4004452
Published Online: January 25, 2012
View Article titled, The Deduction of the Integral and the Estimation of the Local Core Rotation Ratio by Telemetric Pressure Measurements in a Two Cavity Test Rig
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Topics: Cavities, Flow (Dynamics), Pressure, Pressure measurement, Reynolds number, Rotation, Rotors, Temperature
Proceedings Papers

Local Measurements of Disc Heat Transfer in Heated Rotating Cavities for Several Flow Regimes

Andre´ Gu¨nther, Wieland Uffrecht, Stefan Odenbach
Proc. ASME. GT2010, Volume 4: Heat Transfer, Parts A and B, 991-1000, June 14–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: GT2010-22544
https://doi.org/10.1115/GT2010-22544
View Paper titled, Local Measurements of Disc Heat Transfer in Heated Rotating Cavities for Several Flow Regimes
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Topics: Cavities, Disks, Flow (Dynamics), Heat transfer, Heat flux, Reynolds number, Cooling, Flux (Metallurgy), Heat, Heating
Proceedings Papers

A New Test Rig for Time-Resolved Pressure Measurements in Rotating Cavities With Pulsed Inflow

Gunar Schroeder, Wieland Uffrecht
Proc. ASME. GT2010, Volume 7: Turbomachinery, Parts A, B, and C, 2431-2440, June 14–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: GT2010-22596
https://doi.org/10.1115/GT2010-22596
View Paper titled, A New Test Rig for Time-Resolved Pressure Measurements in Rotating Cavities With Pulsed Inflow
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Topics: Cavities, Fluctuations (Physics), Inflow, Pressure, Pressure measurement
Proceedings Papers

The Deduction of the Integral and the Estimation of the Local Core Rotation Ratio by Telemetric Pressure Measurements in a Two Cavity Test Rig

Wieland Uffrecht, Andre´ Gu¨nther
Proc. ASME. GT2010, Volume 4: Heat Transfer, Parts A and B, 1001-1011, June 14–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: GT2010-22593
https://doi.org/10.1115/GT2010-22593
View Paper titled, The Deduction of the Integral and the Estimation of the Local Core Rotation Ratio by Telemetric Pressure Measurements in a Two Cavity Test Rig
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Topics: Cavities, Pressure measurement, Rotation, Flow (Dynamics), Heat transfer, Approximation, Gas turbines, Machinery, Pressure
Proceedings Papers

Influence of Force Field Direction on Pressure Sensors Calibrated at up to 12000g

Wieland Uffrecht, Erwin Kaiser
Proc. ASME. GT2008, Volume 2: Controls, Diagnostics and Instrumentation; Cycle Innovations; Electric Power, 115-124, June 9–13, 2008
Publisher: American Society of Mechanical Engineers
Paper No: GT2008-50355
https://doi.org/10.1115/GT2008-50355
View Paper titled, Influence of Force Field Direction on Pressure Sensors Calibrated at up to 12000g
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Topics: Pressure sensors, Sensors, Pressure, Calibration, Membranes, Shapes, Finite element analysis, Flow (Dynamics), Pressure measurement, Silicon
Proceedings Papers

Experimental Analysis of Varied Vortex Reducer Configurations for the Internal Air System of Jet Engine Gas Turbines

Andre´ Gu¨nther, Wieland Uffrecht, Erwin Kaiser, Stefan Odenbach, Lothar Heller
Proc. ASME. GT2008, Volume 4: Heat Transfer, Parts A and B, 1563-1570, June 9–13, 2008
Publisher: American Society of Mechanical Engineers
Paper No: GT2008-50738
https://doi.org/10.1115/GT2008-50738
View Paper titled, Experimental Analysis of Varied Vortex Reducer Configurations for the Internal Air System of Jet Engine Gas Turbines
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Topics: Experimental analysis, Gas turbines, Jet engines, Vortices, Flow (Dynamics), Pressure, Cooling, Engines, Weight (Mass), Cavities