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Mihai Mihaescu

Associate Professor, Docent
Phone: +46 8 790 75 72
Fax: +46 8 790 75 77
E-mail: mihai@mech.kth.se
WWW: Personal Homepage
Room: 2515 Osquars backe 18

Education

2013: Docent in Fluid Mechanics, KTH Mechanics, Stockholm, Sweden.

2001 - 2005: Lund University, Department of Energy Sciences, Division of Fluid Mechanics, Lund, Sweden.
Ph.D. Degree in Engineering / Fluid Mechanics, 2005. Thesis title: “Computational Aeroacoustics Based on Large Eddy Simulation and Acoustic Analogies”, Printed by KFS AB, ISBN 91-628-6443-2, 2005.

2000 - 2001: Technical University of Cluj-Napoca, Faculty of Mechanical Engineering, Cluj-Napoca, Romania. Graduate Studies in Mechanical Engineering: "CAD in Thermal Machinery with Reduced Pollution".

1999 - 2000: Technical University of Cluj-Napoca, Faculty of Mechanical Engineering, Cluj-Napoca, Romania.
M.Sc. Degree in Mechanical Engineering, 2000.

1994 - 1999: Technical University of Cluj-Napoca, Faculty of Mechanical Engineering, Cluj-Napoca, Romania.
B.Sc. Degree in Automotive Engineering, 1999.

Professional History

2014 - Present: Associate Professor, Royal Institute of Technology (KTH), School of Engineering Sciences, Department of Mechanics, Stockholm, Sweden.

2011 - 2014: Researcher, Royal Institute of Technology (KTH), School of Engineering Sciences, Department of Mechanics, Stockholm, Sweden.

2009 - 2011: Research Assistant Professor, University of Cincinnati, School of Aerospace Systems, Gas Dynamics and Propulsion Laboratory, Cincinnati, OH, USA.

2007 - 2009: Research Associate, University of Cincinnati, School of Aerospace Systems, Gas Dynamics and Propulsion Laboratory, Cincinnati, OH, USA.

2005 - 2007: Post-Doctoral Scholar, University of Cincinnati, School of Aerospace Systems, Gas Dynamics and Propulsion Laboratory, Cincinnati, OH, USA.

2001 - 2005: Graduate Research Assistant, Lund University, Department of Energy Sciences, Division of Fluid Mechanics, Lund, Sweden.

1999 - 2001: Teaching Assistant, Technical University of Cluj-Napoca, Faculty of Mechanical Engineering, Department of Automotive Engineering, Cluj-Napoca, Romania.

Research and Professional Activities

Vetenskapsrådet Grant (VR 621-2012-4256): Multi-physics investigation of unsteady cyclic internal flow in order to assess airway function: developing of a non-intrusive diagnosis tool.

EU-FP7 Clean Sky project SP1-JTI-CS-2012-02-325977: Optimization of air jet pump design for acoustic application (OPA).
Partners: Liebherr - Aerospace Toulouse SAS, Romanian Research & Development Institute for Gas Turbines COMOTI

SIGMUND Project: Flow control technologies in supersonic jets for improving performance.
Collaborators: FMV, GKN Aerospace, Chalmers, University of Cincinnati

Within the Competence Center for Gas Exchange (CCGEx):
Jan 2013 - Dec 2018. “Compressor off-Design Operation - CoDOp” project targets understanding and predicting compressor surge using advanced computational and experimental techniques (Role: Project Coordinator)

Jan 2014 - Dec 2018. “HOlistic approach Targeting to reduce/recover exhaust losses and increase Spark Ignited & Diesel Engines performance – HOTSIDE”. Integrated use of 1D and 3D flow modeling together with measurements for assessing exhaust flow, maximize exhaust energy extraction and increase ICE efficiency. (Role: Project Coordinator)

Both projects within CCGEx are financed and supported by the Swedish Energy Agency (STEM) and the Swedish automotive industry.
Collaborators: SCANIA, VOLVO Cars, Volvo GTT, Borg Warner, University of Cincinnati, KTH-Machine Design, CICERO & Marcus Wallenberg Lab. for Sound and Vibration at KTH

Teaching Activity

Leader for the following list of courses.
For the complete list of courses at mechanics, see Courses .

CourseProg.TitleKTH Info
SG1102 CENMI Mechanics, Smaller Course SG1102

Publications

Please note that this list might not be complete. Follow each article link for additional authors.

YearTitle
2017Optimal Pressure based Detection of Compressor Instabilities using the Hurst Exponent
SAE International Journal of Engines 10(4) 2017-01-1040 (Published)
2017Temperature effects on the aerodynamic and acoustic fields of a rectangular supersonic jet
55th AIAA Aerospace Sciences Meeting AIAA2017-0002 19 (Published)
2017On direct aeroacoustics calculations of the vocal tract
Proceedings of the 11th ERCOFTAC Workshop on Direct and Large-Eddy Simulation   (Accepted)
2016Flow Phenomena Leading to Surge in a Centrifugal Compressor
Energy   (Accepted)
2016Evaluation of centrifugal compressor performance models using large eddy simulation data
 GT2016-57169  (Accepted)
2016Analysis of the Turbocharger Compressor Surge Margin Using a Hurst-Exponent-based Criterion
SAE International Journal of Engines 9(3) 1795-1806 (Published)
2016Aeroacoustics of an Elastic Element in Unsteady Flow of Low Reynolds Numbers
22nd AIAA/CEAS Aeroacoustics Conference AIAA 2016-2700 14 (Published)
2016Aeroacoustics of an elastic element in unsteady flow of low Reynolds numbers
22nd AIAA/CEAS Aeroacoustics Conference   (Published)
2016Influence of changes of the glottal waveform on vowel production
Proceedings of Meetings on Acoustics, Acoustical Society of America 28 ICA2016-586 (Published)
2015Flow Effects due to Valve and Piston Motion in an Internal Combustion Engine Exhaust Port
Energy Conversion and Management 96 18-30 (Published)
2015Computational study of false vocal folds effects on unsteady airflows through static models of the human larynx
Journal of Biomechanics 48(7) 1248-1257 (Published)
2015Large Eddy Simulation of Fluidic Injection into a Supersonic Convergent-Divergent Duct
Direct and Large-Eddy Simulation 9 (DLES-9) 20, Springer 297-302 (Published)
2015Centrifugal Compressor: The Sound of Surge
21st AIAA/CEAS Aeroacoustics Conference, Dallas, At Dallas, Texas, USA AIAA2015-2674 1-17 (Published)
2015Similarities and Differences Concerning Flow Characteristics in Centrifugal Compressors of Different Size
Proc. of the Int. Conf. on Jets, Wakes and Separated Flows, ICJWSF-2015, June 15-18, 2015, KTH Stockholm, Sweden.    (Published)
2015Improving aerodynamic performance of a truck: a numerical based analysis
Svenska Mekanikdagar, Linköping, Sweden, June 10-12, 2015   (Accepted)
2015Fluid-structure interaction simulation with relevance to snoring
Svenska Mekanikdagar, Linköping, Sweden, June 10-12, 2015   (Accepted)
2015Numerical flow simulations of a flexible plate attached to an obstacle in crossflow
Proceedings of the 5th International Conference on Jets, Wakes and Separated Flows (ICJWSF2015)   (Published)
2014Effect of valve and piston motion on the discharge coefficient in an exhaust port
Proc. of the 4th International Conference on LES for Internal Combustion Engine Flows (LES4ICE)  2 (Published)
2014Turbulent Flow Mechanisms in Mixing T-junctions by Large Eddy Simulations
Int. J. Heat and Fluid Flow 45 135-146 (Published)
2014Flow decomposition methods applied to the flow in an IC engine manifold
Applied Thermal Engineering 65 57-65 (Published)
2014Numerical Flow Analysis of a Centrifugal Compressor with Ported and without Ported Shroud
SAE 2014 World Congress & Exhibition 14PFL-0797 8 (Published)
2014Steady-state and unsteady simulations of a high velocity jet into a Venturi shaped pipe
ASME 4th Joint U.S. - European Fluids Engineering Summer Meeting, Chicago, 2014 FEDSM 2014-22162 9 (Accepted)
2014Flow Effects due to Pulsation in an Internal Combustion Engine Exhaust Port
Energy Conversion and Management 86 520-536 (Published)
2014Flow induced Energy Losses in the Exhaust Port of an Internal Combustion Engine
J. Fluids Eng. 137(1) 011105-1/9. (Published)
2014Consequence of sub-grid scale modeling onto the prediction of acoustic noise emission
6th European Conference on Computational Fluid Dynamics (ECFD VI)   (Published)
2014Assessment of the 3D Flow in a Centrifugal Compressor Using Steady-State and Unsteady Flow Solvers
SAE 2014 International Powertrain, Fuels & Lubricants Meeting  2014-01-2856  (Accepted)
2013Large Eddy Simulation of Fluidic Injection into a Supersonic Convergent-Divergent Duct
Direct and Large-Eddy Simulation 9 (DLES-9)   (Published)
2013Influence of Sub-Grid Scale Models for Large Eddy Simulations on the Acoustic Noise Production in Jets
Proc. of 14th European Turbulence Conference (ETC 14), Lyon, France   (Published)
2013Modeling of EGR Mixing in an engine intake manifold using LES
Oil and Gas Science and Technology –Rev. IFP Energies nouvelles DOI: 10.2516/ogst/2013118  (Published)
2013LES of the exhaust flow in a heavy-duty engine
Oil and Gas Science and Technology –Rev. IFP Energies nouvelles   (Published)
2013The Impact of Aortic Arch Geometry on Flow Characteristics
51st AIAA Aerospace Sciences Meeting AIAA 2013-1110  (Published)
2013Quantification of the False Vocal-Folds effects on the Intra-glottal Pressures using Large Eddy Simulation
Proceedings of Meetings on Acoustics, Acoustical Society of America 19 DOI: 10.1121/1.4799796 (Published)
2013Analyzing the Impact of the Inlet Temperature on the Acoustic Noise Production from a Supersonic Jet using LES
Proceedings of Meetings on Acoustics, Acoustical Society of America 19 DOI: 10.1121/1.4799241 (Published)
2013Large Eddy Simulations of Microjets Impact on Supersonic Jet Exiting a C-D Conical Nozzle
19th AIAA/CEAS Aeroacoustics Conference (34th AIAA Aeroacoustics Conference) AIAA 2013-2139  (Published)
2013Numerical Flow Analysis in a Centrifugal Compressor near Surge Condition
43rd AIAA Fluid Dynamics Conference and Exhibit 2013-2730  (Accepted)
2013Planning human upper airway surgery using Computational Fluid Dynamics
Journal of Biomechanics 46(12) 1979-1986 (Published)
2013The impact of aortic arch geometry on flow characteristics
51st AIAA Aerospace Science Meeting, Jan 2-10, 2013, Dallas, Texas, USA   (Published)
2013Effects of velocity ratio and inflow pulsations on the flow in a T-junction by Large Eddy Simulation
Computers and Fluids 88C 374-385 (Published)
2013Investigation of the Surge Phenomena in a Centrifugal Compressor using Large Eddy Simulation
ASME 2013 International Mechanical Engineering Congress ASME paper, IMECE2013-66301  (Accepted)
2013Flow Structure Generation by Multiple Jets in Supersonic Cross-Flow
Proc. of the Int. Conf. on Jets, Wakes and Separated Flows, ICJWSF-2013   (Published)
2013Flow-Structures generated by Valve and Piston Motion in an Exhaust Port of a Truck Engine
Proc. of the Int. Conf. on Jets, Wakes and Separated Flows, ICJWSF-2013   (Published)
2013Flow Structures and Losses in the Exhaust Port of an Internal Combustion Engine
ASME 2013 International Mechanical Engineering Congress IMECE2013-64610 8 (Published)
2013Influence of the jet location in supersonic crossflow disposed in a C-D duct
Proc. of the 26th Nordic Seminar on Computational Mechanics  20-23 (Published)
2013Dynamic Mode Decomposition of a Supersonic Jet Exhaust- ing a Convergent-Divergent Nozzle
66th Annual Meeting of the APS Division of Fluid Dynamics, November 24–26, 2013, Pitsburgh, Pennsylvania, USA   (Published)
2012Effect of Microjets Injection on the Shock Structure and Acoustics of a Supersonic Jet
In the Proc. of The 20th International Shock Interaction Symposium  67 (Published)
2012Proper Orthogonal Decomposition on LES and PIV Data Sets from a Mach 0.9 Jet.
50th AIAA Aerospace Sciences Meeting, 9-12 January 2012, Nashville, TN, USA AIAA-2012-1228  (Published)
2012Tertiary Flow Effects on a Co-axial Ducted Jet.
50th AIAA Aerospace Sciences Meeting, 9-12 January 2012, Nashville, TN, USA AIAA-2012-0064 14 pages (Published)
2012Airframe Installation Effects on the Jet exhausting a Coaxial Nozzle System of a Gas Turbine Engine
Proceedings of ASME Turbo Expo 2012 GT2012-69631  (Published)
2012Assessment of Turbulence Models for Predicting Coaxial Jets Relevant to Turbofan Engines
In the Proc. of The 15th International Conference on Fluid Flow Technologies (CMFF'12), J. Vad (Ed.) 2 716-723 (Published)
2012Numerical Investigation of Fluidic Control on Supersonic Jet of a Gas Turbine Engine
In the Proc. of The 20th International Shock Interaction Symposium  161-164 (Published)
2012Effects of Inlet Geometry on Turbine Performance
In the Proc. of Int. Conf. on LES for Internal Combustion Engine Flows (LES4ICE)   (Published)
2011Experimental and Numerical Study of Jets from Elliptic Nozzles with Conic Plug.
AIAA Journal. 49(3) 554-564 (Published)
2011Large Eddy Simulation of the pharyngeal airflow associated with Obstructive Sleep Apnea Syndrome at pre and post-surgical treatment.
Journal of Biomechanics. 44(12) 2221-2228 (Published)
2011Patterns in pharyngeal airflow associated with sleep-disordered breathing.
Sleep Medicine 12(10) 966-974 (Published)
2010Unsteady Laryngeal Airflow Simulations of the Intra-glottal Vortical Structures.
Journal of Acoustical Society of America - JASA. 127(1) 435-444 (Published)
2010The Effects of Pylon Installation on the Flow Exhausting a Bypass Turbofan Engine Model.
3rd Int. Conf. on Jets, Wakes and Separated Flows, Sept 27-30, 2010, Cincinnati, Ohio, USA  9 pages (Published)
2010Computational Analysis of Flow and Mixing Process Associated with Vortex Generators.
3rd Int. Conf. on Jets, Wakes and Separated Flows, Sept 27-30, 2010, Cincinnati, Ohio, USA   (Published)
2010Virtual Surgery: a Computational Engineering Approach to a Medical Problem.
3rd Int. Conf. on Jets, Wakes and Separated Flows, Sept 27-30, 2010, Cincinnati, Ohio, USA   (Published)
2010Simulations of Detonations Based Cycles in Tubes with Multiple Openings.
46th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit. AIAA 2010-6745 10 pages (Published)
2010Fluid-Structure Interaction Analysis in Human Upper Airways to Understand Sleep Apnea.
48th AIAA Aerospace Sciences Meeting Including the New Horizons Forum and Aerospace Exposition. AIAA 2010-1264 10 pages (Published)
2010Influence of Gender on Pharyngeal Airway Length in Obese Adolescents.
Annals of Otology, Rhinology & Laryngology. 119 842-847 (Published)
2009Validation of Computational Fluid Dynamics Methodology used for Human Upper Airway Flow Simulations.
Journal of Biomechanics. 42(10) 1553-1559 (Published)
2009Importance of Paranasal Sinuses in Computational Modeling of Nasal Airflow.
47th AIAA Aerospace Sciences Meeting and Exhibit, Jan 5-8, 2009, Orlando, Florida, USA AIAA 2009-772 10 pages (Published)
2008Computational Modeling of Upper Airway before Adenotonsillectomy for Obstructive Sleep Apnea.
The Laryngoscope. 118(2) 360-362 (Published)
2008Computational fluid dynamics analysis of upper airway reconstructed from Magnetic Resonance Imaging data.
Annals of Otology, Rhinology & Laryngology. 117(4) 303-309 (Published)
2008Large Eddy Simulation and Reynolds Averaged Navier-Stokes Modeling of Flow in a Realistic Pharyngeal Airway Model; an Investigation of Obstructive Sleep Apnea.
Journal of Biomechanics. 41(10) 2279-2288 (Published)
2008Modeling Flow in a Compromised Pediatric Airway Breathing Air and Heliox.
The Laryngoscope. 118(12) 2205-2211 (Published)
2007Computational Aeroacoustics of a Separate Flow Exhaust System with Eccentric Inner Nozzle.
45th AIAA Aerospace Sciences Meeting and Exhibit. AIAA 2007-13 12 pages (Published)
2007Flow-field, Acoustic and Structural Interaction behind a Ramped Step.
45th AIAA Aerospace Sciences Meeting and Exhibit. AIAA 2007-1325 18 pages (Published)
2007Flow and Acoustics Simulations Based on LES and an Acoustic Analogy; an Application to Laryngeal Airflow.
45th AIAA Aerospace Sciences Meeting and Exhibit. AIAA 2007-919 13 pages (Published)
2007Computational Aeroacoustics of the Coaxial Flow Exhaust System of a Gas Turbine Engine.
Proceedings of ASME Turbo Expo 2007. 6 1531-1539 (Published)
2007Flow and Acoustics Characteristics of Chevron Nozzles in Coaxial Jets – LES and Acoustic Analogy Investigation.
13th AIAA/CEAS Aeroacoustics Conference (28th AIAA Aeroacoustics Conference). AIAA 2007-3609 12 pages (Published)
2007Jet Aircraft Propulsion Noise Reduction Research at University of Cincinnati.
43rd AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit. AIAA 2007-5631 16 pages (Published)
2007Modeling of the Flow and Acoustical Field due to a Single Jet with Chevrons.
43rd AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit. AIAA 2007-5757 9 pages (Published)
2006Computation of the Acoustic Field in an Annular Gas Turbine Combustion Chamber Using a Hybrid Approach.
Proceedings of ASME Turbo Expo 2006. 6 1615-1624 (Published)
2006Flow and Acoustics of a Coaxial Nozzle: a Sensitivity Study to the Inlet Boundary Conditions.
44th AIAA Aerospace Sciences Meeting and Exhibit. AIAA 2006-619 19 pages (Published)
2006Parallel Computation of the Flow- and Acoustics Fields in a Gas Turbine Combustion Chamber.
Parallel Computational Fluid Dynamics, Elsevier ISBN 978-0-444-52206-1. Parallel Computational Fluid Dynamics  445-452 (Published)
2005Numerical Investigations of the Acoustics of a Coaxial Nozzle.
43rd AIAA Aerospace Sciences Meeting and Exhibit. AIAA 2005-420 10 pages (Published)
2005Numerical Study of Thermo-acoustic Waves Generation by a Swirling Flame Using a New Approach Based on LES.
Proceedings of ASME Turbo Expo 2005. 2 67-75 (Published)
2005Flow and Noise Investigations of a Separate Flow Exhaust System.
Proceedings of ASME Turbo Expo 2005. 6 1221-1229 (Published)
2005Coaxial Jet Noise Prediction: Grid Resolution Effect on the Numerical Solution.
11th AIAA/CEAS Aeroacoustics Conference (26th AIAA Aeroacoustics Conference) AIAA 2005-3087 10 pages (Published)
2005Computational Aeroacoustics Based on Large Eddy Simulation and Acoustic Analogies.
KFS AB, Lund University Doctoral Dissertation, ISBN 91-628-6443-2 215 pages (Published)
2004Noise Computation of a Turbo-Engine Jet Exhaust Based on LES and Lighthill's Acoustic Analogy.
Proceedings of ASME Turbo Expo 2004. 5 1723-1731 (Published)
2004Sound Generated by an Unsteady Flow Field, Using a Hybrid Method.
Springer-Verlag, ISBN 3-540-22031-3. Modeling Fluid Flow-The State of the Art. 169-178 (Published)
2003Numerical Computation of the Acoustical Field around Wind-Turbines.
Proceedings of The Tenth International Congress on Sound and Vibration. The International Institute of Acoustics and Vibrations. 3 1489-1496 (Published)