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Journal Articles

Swirling Flow Effects on the Aeroacoustic Signature of an Aerospike Nozzle

Thomas Golliard, Mihai Mihaescu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2025, 147(8): 081009.
Paper No: TURBO-24-1244
https://doi.org/10.1115/1.4067383
Published Online: January 13, 2025
View Article titled, Swirling Flow Effects on the Aeroacoustic Signature of an Aerospike Nozzle
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Topics: Flow (Dynamics), Nozzles, Pressure, Shear (Mechanics), Shock (Mechanics), Swirling flow, Acoustics, Oscillations, Noise (Sound), Jets
Proceedings Papers

A Collaborative Framework for Design and Validation of Next-Generation Transonic Low-Pressure Turbines

Bogdan Cernat, Alexandre Halby, Sergio Lavagnoli, Filippo Rubechini, Stefano Guidolotti, Ardeshir Hanifi, Mihai Mihaescu, Davide Lengani, Francesco Bertini
Proc. ASME. GT2024, Volume 12B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V12BT30A014, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123820
https://doi.org/10.1115/GT2024-123820
View Paper titled, A Collaborative Framework for Design and Validation of Next-Generation Transonic Low-Pressure Turbines
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Topics: Design, Pressure, Turbines
Proceedings Papers

Swirling Flow Effects on the Aeroacoustic Signature of an Aerospike Nozzle

Thomas Golliard, Mihai Mihaescu
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT33A012, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126691
https://doi.org/10.1115/GT2024-126691
View Paper titled, Swirling Flow Effects on the Aeroacoustic Signature of an Aerospike Nozzle
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Topics: Acoustics, Large eddy simulation, Noise (Sound), Nozzles, Swirling flow
Journal Articles

Computational Aeroacoustics for a Cold, Non-Ideally Expanded Aerospike Nozzle

Thomas Golliard, Mihai Mihaescu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2024, 146(2): 021003.
Paper No: TURBO-23-1152
https://doi.org/10.1115/1.4063877
Published Online: November 8, 2023
View Article titled, Computational Aeroacoustics for a Cold, Non-Ideally Expanded Aerospike Nozzle
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Topics: Acoustics, Flow (Dynamics), Noise (Sound), Nozzles, Shear (Mechanics), Shock (Mechanics), Pressure, Aerodynamic noise, Oscillations, Waves
Proceedings Papers

Computational Aeroacoustics for a Cold, Non-Ideally Expanded Aerospike Nozzle

Thomas Golliard, Mihai Mihaescu
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT33A004, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101947
https://doi.org/10.1115/GT2023-101947
View Paper titled, Computational Aeroacoustics for a Cold, Non-Ideally Expanded Aerospike Nozzle
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Topics: Acoustics, Aerodynamic noise, Large eddy simulation, Noise (Sound), Nozzles
Journal Articles

Special Issue on New Trends in Simulation of Physiological Flows

Mihai Mihaescu, Laszlo Fuchs
Journal: Journal of Engineering and Science in Medical Diagnostics and Therapy
Publisher: ASME
Article Type: Guest Editorial
ASME J of Medical Diagnostics. August 2022, 5(3): 030301.
Paper No: JESMDT-22-1014
https://doi.org/10.1115/1.4054636
Published Online: June 7, 2022
View Article titled, Special Issue on New Trends in Simulation of Physiological Flows
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Topics: Flow (Dynamics), Physiology, Simulation
Journal Articles

Turbocharger Radial Turbine Response to Pulse Amplitude

Roberto Mosca, Shyang Maw Lim, Mihai Mihaescu
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. August 2022, 144(8): 082111.
Paper No: JERT-21-1567
https://doi.org/10.1115/1.4053346
Published Online: January 21, 2022
View Article titled, Turbocharger Radial Turbine Response to Pulse Amplitude
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Topics: Cycles, Exergy, Flow (Dynamics), Heat transfer, Turbines, Exhaust manifolds, Turbochargers, Inflow, Temperature, Boundary-value problems
Journal Articles

Influence of Pulse Characteristics on Turbocharger Radial Turbine

Roberto Mosca, Shyang Maw Lim, Mihai Mihaescu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2022, 144(2): 021018.
Paper No: GTP-21-1116
https://doi.org/10.1115/1.4052498
Published Online: December 3, 2021
View Article titled, Influence of Pulse Characteristics on Turbocharger Radial Turbine
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Topics: Cycles, Entropy, Exergy, Flow (Dynamics), Heat transfer, Turbines, Exhaust manifolds, Pulsatile flow, Turbochargers, Boundary-value problems
Proceedings Papers

Large Eddy Simulations of a Turbocharger Radial Turbine Under Pulsating Flow Conditions

Roberto Mosca, Shyang Maw Lim, Mihai Mihaescu
Proc. ASME. FEDSM2021, Volume 2: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V002T03A036, August 10–12, 2021
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2021-65704
https://doi.org/10.1115/FEDSM2021-65704
View Paper titled, Large Eddy Simulations of a Turbocharger Radial Turbine Under Pulsating Flow Conditions
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Topics: Large eddy simulation, Pulsatile flow, Turbines, Turbochargers, Flow (Dynamics), Blades, Inflow, Cycles, Pressure, Vortices
Proceedings Papers

Turbocharger Radial Turbine Response to Pulse Amplitude

Roberto Mosca, Shyang Maw Lim, Mihai Mihaescu
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT39A013, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59997
https://doi.org/10.1115/GT2021-59997
View Paper titled, Turbocharger Radial Turbine Response to Pulse Amplitude
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Topics: Turbines, Turbochargers, Flow (Dynamics), Heat transfer, Computer simulation, Eddies (Fluid dynamics), Engines, Exergy, Exhaust manifolds, Exhaust systems
Journal Articles

Influence of Upstream Exhaust Manifold on Pulsatile Turbocharger Turbine Performance

Shyang Maw Lim, Anders Dahlkild, Mihai Mihaescu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2019, 141(6): 061010.
Paper No: GTP-18-1704
https://doi.org/10.1115/1.4042301
Published Online: February 15, 2019
View Article titled, Influence of Upstream Exhaust Manifold on Pulsatile Turbocharger Turbine Performance
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Topics: Engines, Exhaust manifolds, Exhaust systems, Flow (Dynamics), Geometry, Turbines, Exergy, Rotors, Turbochargers, Temperature
Proceedings Papers

Influence of Upstream Geometry on Pulsatile Turbocharger Turbine Performance

Shyang Maw Lim, Anders Dahlkild, Mihai Mihaescu
Proc. ASME. GT2018, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T26A021, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76706
https://doi.org/10.1115/GT2018-76706
View Paper titled, Influence of Upstream Geometry on Pulsatile Turbocharger Turbine Performance
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Topics: Geometry, Turbines, Turbochargers, Heat transfer, Exhaust manifolds, Eddies (Fluid dynamics), Exergy, Flow (Dynamics), Piston engines, Pulsatile flow
Proceedings Papers

On the Stability Influence of Trimmed Vaneless Diffusers in Turbocharger Applications

Valeriu Dragan, Mihai Mihaescu
Proc. ASME. GT2018, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T26A010, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76165
https://doi.org/10.1115/GT2018-76165
View Paper titled, On the Stability Influence of Trimmed Vaneless Diffusers in Turbocharger Applications
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Topics: Stability, Turbochargers, Vaneless diffusers, Diffusers, Flow (Dynamics), Pressure, Compressors, Blades, Emissions, Entropy
Journal Articles

Aerothermodynamics and Exergy Analysis in Radial Turbine With Heat Transfer

Shyang Maw Lim, Anders Dahlkild, Mihai Mihaescu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. September 2018, 140(9): 091007.
Paper No: TURBO-17-1179
https://doi.org/10.1115/1.4040852
Published Online: August 28, 2018
View Article titled, Aerothermodynamics and Exergy Analysis in Radial Turbine With Heat Transfer
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Topics: Exergy, Exergy analysis, Flow (Dynamics), Heat losses, Heat transfer, Turbines, Pressure, Temperature
Proceedings Papers

On the Assessment of Centrifugal Compressor Performance Parameters by Theoretical and Computational Models

Elias Sundström, Bertrand Kerres, Sergio Sanz, Mihai Mihăescu
Proc. ASME. GT2017, Volume 2C: Turbomachinery, V02CT44A029, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-65230
https://doi.org/10.1115/GT2017-65230
View Paper titled, On the Assessment of Centrifugal Compressor Performance Parameters by Theoretical and Computational Models
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Topics: Compressors, Design, Modeling, Reynolds-averaged Navier–Stokes equations, Computational fluid dynamics, Flow (Dynamics), Impellers, Pressure, Steady state, Surges
Proceedings Papers

Evaluation of Centrifugal Compressor Performance Models Using Large Eddy Simulation Data

Elias Sundström, Bertrand Kerres, Mihai Mihăescu
Proc. ASME. GT2016, Volume 2C: Turbomachinery, V02CT39A040, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57169
https://doi.org/10.1115/GT2016-57169
View Paper titled, Evaluation of Centrifugal Compressor Performance Models Using Large Eddy Simulation Data
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Topics: Compressors, Large eddy simulation, Impellers, Design, Flow (Dynamics), Clearances (Engineering), Skin friction (Fluid dynamics), Diffusers, Engineering simulation, Entropy
Proceedings Papers

Steady-State and Unsteady Simulations of a High Velocity Jet Into a Venturi Shaped Pipe

Bernhard Semlitsch, Estelle Laurendeau, Mihai Mihăescu
Proc. ASME. FEDSM2014, Volume 1C, Symposia: Fundamental Issues and Perspectives in Fluid Mechanics; Industrial and Environmental Applications of Fluid Mechanics; Issues and Perspectives in Automotive Flows; Gas-Solid Flows: Dedicated to the Memory of Professor Clayton T. Crowe; Numerical Methods for Multiphase Flow; Transport Phenomena in Energy Conversion From Clean and Sustainable Resources; Transport Phenomena in Materials Processing and Manufacturing Processes, V01CT16A023, August 3–7, 2014
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2014-22162
https://doi.org/10.1115/FEDSM2014-22162
View Paper titled, Steady-State and Unsteady Simulations of a High Velocity Jet Into a Venturi Shaped Pipe
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Topics: Engineering simulation, Pipes, Simulation, Steady state, Venturi tubes, Flow (Dynamics), Jet pumps, Large eddy simulation, Turbulence, Ducts
Proceedings Papers

Analysis of 3 Dimensional Turbine Flow by Using Mode Decomposition Techniques

Johan Fjällman, Mihai Mihaescu, Laszlo Fuchs
Proc. ASME. GT2014, Volume 2D: Turbomachinery, V02DT44A039, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-26963
https://doi.org/10.1115/GT2014-26963
View Paper titled, Analysis of 3 Dimensional Turbine Flow by Using Mode Decomposition Techniques
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Topics: Flow (Dynamics), Turbines, Engines, Cylinders, Emissions, Engineering simulation, Fuel consumption, Gasoline, Internal combustion engines, Large eddy simulation
Journal Articles

Flow Induced Energy Losses in the Exhaust Port of an Internal Combustion Engine

Yue Wang, Bernhard Semlitsch, Mihai Mihaescu, Laszlo Fuchs
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. January 2015, 137(1): 011105.
Paper No: FE-14-1023
https://doi.org/10.1115/1.4027952
Published Online: September 10, 2014
View Article titled, Flow Induced Energy Losses in the Exhaust Port of an Internal Combustion Engine
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Topics: Exhaust systems, Flow (Dynamics), Pressure, Valves, Simulation, Geometry
Proceedings Papers

Flow Structures and Losses in the Exhaust Port of an Internal Combustion Engine

Yue Wang, Bernhard Semlitsch, Mihai Mihaescu, Laszlo Fuchs
Proc. ASME. IMECE2013, Volume 7A: Fluids Engineering Systems and Technologies, V07AT08A045, November 15–21, 2013
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2013-64610
https://doi.org/10.1115/IMECE2013-64610
View Paper titled, Flow Structures and Losses in the Exhaust Port of an Internal Combustion Engine
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Topics: Exhaust systems, Flow (Dynamics), Internal combustion engines, Valves, Exhaust manifolds, Pressure, Boundary-value problems, Diesel engines, Engineering simulation, Flow separation