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Proceedings Papers

Effects of Foil Camber and Non-Zero Angle of Attack on The Unsteady Forces Produced by a Turbomachine Ingesting Turbulence

Isaiah J. Owsley, Margalit Z. Goldschmidt, Amanda Hanford, Peter Lysak, Michael L. Jonson
Proc. ASME. IMECE2023, Volume 1: Acoustics, Vibration, and Phononics, V001T01A010, October 29–November 2, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2023-110418
https://doi.org/10.1115/IMECE2023-110418
View Paper titled, Effects of Foil Camber and Non-Zero Angle of Attack on The Unsteady Forces Produced by a Turbomachine Ingesting Turbulence
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Topics: Turbomachinery, Turbulence, Rotors, Geometry, Airfoils, Blades, Flat plates, Flow (Dynamics), Inflow, Lift (Fluid dynamics)
Proceedings Papers

Singularity Based Method for Small Perturbation Unsteady Aerodynamics Using Higher Fidelity Steady State Pressure Profiles

Auriane Bottai, Michael L. Jonson, Robert L. Campbell
Proc. ASME. IMECE2023, Volume 1: Acoustics, Vibration, and Phononics, V001T01A013, October 29–November 2, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2023-112402
https://doi.org/10.1115/IMECE2023-112402
View Paper titled, Singularity Based Method for Small Perturbation Unsteady Aerodynamics Using Higher Fidelity Steady State Pressure Profiles
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Topics: Aerodynamics, Airfoils, Flow (Dynamics), Pressure, Steady state, Vortices, Boundary-value problems, Compressibility, Computational fluid dynamics, Engineering simulation
Proceedings Papers

Rime Ice Accretion on an Airfoil Under Different Icing Conditions Using an Eulerian Approach

Arash Shad, S. A. Sherif
Proc. ASME. IMECE2023, Volume 9: Fluids Engineering, V009T10A054, October 29–November 2, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2023-117131
https://doi.org/10.1115/IMECE2023-117131
View Paper titled, Rime Ice Accretion on an Airfoil Under Different Icing Conditions Using an Eulerian Approach
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Topics: Airfoils, Ice
Proceedings Papers

Virus Transmission Aboard a Transit Bus

Jeremy Bonifacio, Hamid Rahai, Raymond Horstman
Proc. ASME. IMECE2023, Volume 9: Fluids Engineering, V009T10A056, October 29–November 2, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2023-111308
https://doi.org/10.1115/IMECE2023-111308
View Paper titled, Virus Transmission Aboard a Transit Bus
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Topics: Airfoils, Ceilings, Computer simulation, Doors, Engineering simulation, Exhaust systems, Particulate matter, Public transportation, Renewable energy, Risk
Proceedings Papers

Numerical Investigation of Broken V-Ribbed Turbulators in a Multi-Pass Turbine Channel Under Rotating Conditions

Madhusudan Pallikaranai Thirumalai, Srinath V. Ekkad
Proc. ASME. IMECE2023, Volume 10: Heat Transfer and Thermal Engineering, V010T11A028, October 29–November 2, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2023-113885
https://doi.org/10.1115/IMECE2023-113885
View Paper titled, Numerical Investigation of Broken V-Ribbed Turbulators in a Multi-Pass Turbine Channel Under Rotating Conditions
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Topics: Airfoils, Centrifugal force, Computer simulation, Cooling, Design, Failure, Gas turbines, Heat flux, Heat transfer, Heat transfer coefficients
Proceedings Papers

Predicting Unsteady Aerodynamic Parameters From Airfoil Surface Pressure Measurements

Sheryl Patrick Grace
Proc. ASME. IMECE96, Noise Control and Acoustics: Volume 1 — Active Noise and Vibration Control; Complexity in Acoustics; Noise Sources in Internal Combustion Engines; Vehicle Flow/Structure Noises; Aeroacoustic Sound Propagation in Ducts and Jets; Turbomachinery Noise; BS/MS Student Paper Competition, 93-98, November 17–22, 1996
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1996-0514
https://doi.org/10.1115/IMECE1996-0514
View Paper titled, Predicting Unsteady Aerodynamic Parameters From Airfoil Surface Pressure Measurements
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Topics: Airfoils, Pressure measurement, Flat plates, Pressure, Rotation
Proceedings Papers

Control of Flow Separation Using the EMEMS Approach: Proof of Concept Experiments

Sumon K. Sinha, Dipankar Pal, Debjyoti Banerjee
Proc. ASME. IMECE96, Microelectromechanical Systems (MEMS), 253-263, November 17–22, 1996
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1996-1359
https://doi.org/10.1115/IMECE1996-1359
View Paper titled, Control of Flow Separation Using the EMEMS Approach: Proof of Concept Experiments
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Topics: Flow separation, Transducers, Vortices, Boundary layers, Shear (Mechanics), Strips, Airfoils, Circular cylinders, Flow (Dynamics), Pressure
Proceedings Papers

ℋ ∞ Controller Design for Wing/Store Flutter Suppression

Prasad V. N. Gade, Daniel J. Inman
Proc. ASME. IMECE96, Active Control of Vibration and Noise, 91-99, November 17–22, 1996
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1996-0909
https://doi.org/10.1115/IMECE1996-0909
View Paper titled, ℋ ∞ Controller Design for Wing/Store Flutter Suppression
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Topics: Control equipment, Design, Flutter (Aerodynamics), Wings, Airfoils, Approximation, Closed loop systems, Control algorithms, Control theory, Dampers
Proceedings Papers

Mitigation of Thrust Deterioration at a High Flapping Frequency of a 2D Airfoil in Forwarding Flight Conditions Using Asymmetric Flapping Strokes

Jit Sinha, Sohan Roy, Sunil Manohar Dash
Proc. ASME. IMECE2022, Volume 3: Advanced Materials: Design, Processing, Characterization and Applications; Advances in Aerospace Technology, V003T04A003, October 30–November 3, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2022-95121
https://doi.org/10.1115/IMECE2022-95121
View Paper titled, Mitigation of Thrust Deterioration at a High Flapping Frequency of a 2D Airfoil in Forwarding Flight Conditions Using Asymmetric Flapping Strokes
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Topics: Airfoils, Flight, Thrust
Proceedings Papers

Additive Manufacturing Process-Induced Wing Skin Deformation and Effects on Aerodynamic Performance

Justin D. Valenti, Joseph Barolai, Julia A. Cole, Michael A. Yukish
Proc. ASME. IMECE2022, Volume 3: Advanced Materials: Design, Processing, Characterization and Applications; Advances in Aerospace Technology, V003T04A022, October 30–November 3, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2022-96569
https://doi.org/10.1115/IMECE2022-96569
View Paper titled, Additive Manufacturing Process-Induced Wing Skin Deformation and Effects on Aerodynamic Performance
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Topics: Additive manufacturing, Deformation, Skin, Wings, Shapes, Weight (Mass), Airfoils, Construction, Extruding, Aircraft
Proceedings Papers

Forced Response Prediction of Gas Turbine Rotor Blades

Gary R. Hilbert, Ron-Ho Ni, Ronald K. Takahashi
Proc. ASME. IMECE97, Analysis and Design Issues for Modern Aerospace Vehicles, 491-498, November 16–21, 1997
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1997-0750
https://doi.org/10.1115/IMECE1997-0750
View Paper titled, Forced Response Prediction of Gas Turbine Rotor Blades
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Topics: Blades, Gas turbines, Rotors, Airfoils, High cycle fatigue, Stress, Computational fluid dynamics, Engines, Failure, Resonance
Proceedings Papers

The Role of Threshold Fatigue Crack Growth in Life Prediction of the Alloy Ti-6Al-2Sn-4Zr-6Mo Under High Cycle Fatigue Spectra

James M. Larsen, Stephan M. Russ, David C. Maxwell, Brian D. Worth
Proc. ASME. IMECE97, Analysis and Design Issues for Modern Aerospace Vehicles, 443-448, November 16–21, 1997
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1997-0744
https://doi.org/10.1115/IMECE1997-0744
View Paper titled, The Role of Threshold Fatigue Crack Growth in Life Prediction of the Alloy Ti-6Al-2Sn-4Zr-6Mo Under High Cycle Fatigue Spectra
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Topics: Alloys, Fatigue cracks, High cycle fatigue, Spectra (Spectroscopy), Fracture (Materials), Gas turbines, Stress, Airfoils, Low cycle fatigue, Titanium alloys
Proceedings Papers

Advances in Adaptive System Applications at Daimler-Benz Research Labs

Willi Martin, Peter Jänker, Hans-Friedrich Siegling, Heinz Voggenreiter, Ping Wang, Michael Trutzel, Heinz Ahrendt, Valentin Klöppel
Proc. ASME. IMECE97, Adaptive Structures and Material Systems, 141-146, November 16–21, 1997
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1997-0187
https://doi.org/10.1115/IMECE1997-0187
View Paper titled, Advances in Adaptive System Applications at Daimler-Benz Research Labs
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Topics: Actuators, Aerospace industry, Airfoils, Blades, Geometry, Materials research, Railroads, Rotors, Sensors, Servomechanisms
Proceedings Papers

Mean Flow Effects on Sound Generation and Propagation

H. M. Atassi
Proc. ASME. IMECE97, Noise Control and Acoustics, 377-387, November 16–21, 1997
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1997-1067
https://doi.org/10.1115/IMECE1997-1067
View Paper titled, Mean Flow Effects on Sound Generation and Propagation
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Topics: Flow (Dynamics), Acoustics, Aerodynamic noise, Aerodynamics, Airfoils, Approximation, Blades, Cascades (Fluid dynamics), Mach number, Sound waves
Proceedings Papers

Analysis of Fluid-Structure Interaction by Means of Dynamic Unstructured Meshes

F. J. Blom, P. Leyland
Proc. ASME. IMECE97, 4th International Symposium on Fluid-Structure Interactions, Aeroelasticity, Flow-Induced Vibration and Noise: Volume I, 3-10, November 16–21, 1997
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1997-0037
https://doi.org/10.1115/IMECE1997-0037
View Paper titled, Analysis of Fluid-Structure Interaction by Means of Dynamic Unstructured Meshes
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Topics: Fluid structure interaction, Fluids, Deformation, Airfoils, Algorithms, Compressible flow, Flat plates, Inviscid flow, Oscillations, Rotation
Proceedings Papers

Unsteady Aeroelastic Simulations for Airfoils

E. Guilmineau, P. Queutey
Proc. ASME. IMECE97, 4th International Symposium on Fluid-Structure Interactions, Aeroelasticity, Flow-Induced Vibration and Noise: Volume III, 129-138, November 16–21, 1997
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1997-0164
https://doi.org/10.1115/IMECE1997-0164
View Paper titled, Unsteady Aeroelastic Simulations for Airfoils
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Topics: Airfoils, Engineering simulation, Simulation, Fluid structure interaction, Chords (Trusses), Degrees of freedom, Flux (Metallurgy), Momentum, Navier-Stokes equations
Proceedings Papers

Reduced Order Aerodynamic Modeling of How to Make CFD Useful to an Aeroelastician

Earl H. Dowell, Kenneth C. Hall, Michael C. Romanowski
Proc. ASME. IMECE97, 4th International Symposium on Fluid-Structure Interactions, Aeroelasticity, Flow-Induced Vibration and Noise: Volume III, 149-163, November 16–21, 1997
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1997-0166
https://doi.org/10.1115/IMECE1997-0166
View Paper titled, Reduced Order Aerodynamic Modeling of How to Make CFD Useful to an Aeroelastician
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Topics: Computational fluid dynamics, Modeling, Unsteady flow, Flutter (Aerodynamics), Airfoils, Flow (Dynamics), Aerodynamics, Algorithms, Cascades (Fluid dynamics), Eigenvalues
Proceedings Papers

Two- and Three-Dimensional Analyses of Flow Around Airfoils Subjected to Forced Oscillation

Yasuyuki Yokono
Proc. ASME. IMECE97, 4th International Symposium on Fluid-Structure Interactions, Aeroelasticity, Flow-Induced Vibration and Noise: Volume III, 197-204, November 16–21, 1997
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1997-0170
https://doi.org/10.1115/IMECE1997-0170
View Paper titled, Two- and Three-Dimensional Analyses of Flow Around Airfoils Subjected to Forced Oscillation
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Topics: Airfoils, Flow (Dynamics), Oscillations, Vortices, Separation (Technology), Drag (Fluid dynamics), Computers, Turbomachinery, Unsteady flow
Proceedings Papers

Aeroservoelasticity in Compressible Flow and Aeroelastic Scaling Considerations

Eyal H. Presente, Peretz P. Friedmann
Proc. ASME. IMECE97, 4th International Symposium on Fluid-Structure Interactions, Aeroelasticity, Flow-Induced Vibration and Noise: Volume III, 105-119, November 16–21, 1997
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1997-0162
https://doi.org/10.1115/IMECE1997-0162
View Paper titled, Aeroservoelasticity in Compressible Flow and Aeroelastic Scaling Considerations
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Topics: Compressible flow, Flutter (Aerodynamics), Actuators, Airfoils, Approximation, Deflection, Degrees of freedom, Design, Dynamics (Mechanics), Equations of motion
Proceedings Papers

Variability of Rotor Wake Interactions and Airfoil Unsteady Aerodynamics

Albert J. Sanders, Sanford Fleeter
Proc. ASME. IMECE97, Analysis and Design Issues for Modern Aerospace Vehicles, 411-418, November 16–21, 1997
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1997-0740
https://doi.org/10.1115/IMECE1997-0740
View Paper titled, Variability of Rotor Wake Interactions and Airfoil Unsteady Aerodynamics
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Topics: Aerodynamics, Airfoils, Rotors, Wakes, Blades, Design, Inlet guide vanes, Machinery, Probes