Journal & Conference Papers

2017

Kerres, B., Cronhjort, A., Mihaescu, M., and Stenlaas, O. (2017) A Comparison of On-Engine Surge Detection Algorithms using Knock Accelerometers. SAE Technical Paper 2017-01-2420. doi:10.4271/2017-01-2420

Sundström, E., Kerres, B., Sanz S., Mihaescu, M. (2017) On the Assessment of Centrifugal Compressor Performance Parameters by Theoretical and Computational Model. ASME Paper, GT2017-65230.

Heide, J., Karlsson, M., and Altimira, M. (2017) Numerical Analysis of Urea-SCR Sprays under Cross-Flow Conditions. SAE Technical Paper 2017-01-0964. doi:10.4271/2017-01-0964

Lim, SM., Dahlkild, A., and Mihaescu, M. (2017) Exergy Analysis on Turbocharger Radial Turbine with Heat Transfer. Proceedings of 12th European Conference on Turbomachinery Fluid Dynamics & Thermodynamics, Stockholm, ETC2017-267.

Kerres, B., Sanz, S., Sundström, E. and Mihaescu, M. (2017) A comparison of performance predictions between 1d models and numerical data for a turbocharger compressor. Proceedings of 12th European Conference on Turbomachinery Fluid Dynamics & Thermodynamics, Stockholm, ETC2017-350.

Sundström, E., Mihaescu, M., Giachi, M., Belardini, E. and Michelassi, V. (2017) Analysis of vaneless diffuser stall instability in a centrifugal compressor. Proceedings of 12th European Conference on Turbomachinery Fluid Dynamics & Thermodynamics, Stockholm, ETC2017-175.

Kabral, R., El Nemr, Y.A., Ludwig, C., Mirlach, R. and Åbom, M. (2017)  Experimental acoustic characterization of automotive twin-scoll turbine. Proceedings of 12th European Conference on Turbomachinery Fluid Dynamics & Thermodynamics, Stockholm, ETC2017-363.

El Nemr, Y.A., Veloso, R., Girstmair, J., Kabral, R., Åbom, M., Schutting, E., Dumböck, O., Ludwig, C., Mirlach, R., Koutsovasilis, P. and Masrane, A. (2017)  Experimental investigation of transmission loss in an automotive turboahceger compressor under ideal and real engine operating conditions. Proceedings of 12th European Conference on Turbomachinery Fluid Dynamics & Thermodynamics, Stockholm, ETC2017-298.

Holmberg, T., Cronhjort, A., and Stenlaas, O. (2017) Pressure Ratio Influence on Exhaust Valve Flow Coefficients. SAE Technical Paper 2017-01-0530. dx.doi.org/10.4271/2017-01-0530

Kerres, B., Mihaescu, M., Gancedo, M., and Gutmark, E. (2017) Optimal Pressure Based Detection of Compressor Instabilities Using the Hurst Exponent. SAE Int. J. Engines 10(4). dx.doi.org/10.4271/2017-01-1040

Zhang, Z., Abom, M., Boden, H., and Karlsson, M. (2017) Particle Number Reduction in Automotive Exhausts Using Acoustic Metamaterials. SAE Int. J. Engines 10(4). dx.doi.org/10.4271/2017-01-0909

2016

Zhang, Z., Abom, M., and Boden, H. (2016) Acoustic Metamaterials seen from the perspective of Duct Acoustics. Baltic-Nordic Acoustic Meeting (BNAM). Stockholm, Sweden.

Du, L., Holmberg, A., Karlsson, M. and Åbom, M. (2016) Sound amplification at a rectangular T-junction with merging mean flows. Journal of Sound and Vibration, 367:69-83. dx.doi.org/10.1121/1.4933594

Du, L., Åbom, M., Karlsson, M. and Knutsson, M. (2016) Modelling of Acoustic Resonators Using the Linearized Navier Stokes Equations. SAE Technical Paper. dx.doi.org/10.4271/2016-01-1821

Du, L., Holmberg, A., Karlsson, M. and Åbom, M. (2016) Numerical Study on the Sound Amplification of a T-Junction with Bias Flow.  Proceedings of the 5th International Conference on Jets, Wakes and Separated Flows (ICJWSF2015), p.373-381. Springer International Publishing. dx.doi.org/10.1007/978-3-319-30602-5_47

Ford, C., Winroth, M. and Alfredsson, P.H. (2016) Development of a pressure based vortex-shedding meter - Measuring unsteady mass-flow in variable density gases. Meas. Sci. Tech. 27 085901. dx.doi.org/10.1088/0957-0233/27/8/085901

Kabral, R., Du, L., Åbom, M. and Knutsson, M. (2016) Optimization of Compact Non-Fibrous Silencer for the Control of Compressor Noise. SAE Technical Paper 2016-01-1818. dx.doi.org/10.4271/2016-01-1818

Kabral, R., Du, L. and Åbom, M. (2016) Optimum sound attenuation in flow ducts based on the "exact" Cremer impedance. Acta Acustica united with Acustica 102:851. dx.doi.org/10.3813/AAA.918999

Kalpakli Vester, A., Örlü, R. and Alfredsson, P. H. (2016) Turbulent flows in curved pipes: recent advances in experiments and simulations. Appl. Mech. Rev. 68 050802. dx.doi.org/10.1115/1.4034135

Kalpakli Vester, A., Sattarzadeh, S. S. and Örlü, R. (2016) Combined hot-wire and PIV measurements of a swirling turbulent flow at the exit of a 90° pipe bend. J. Vis. dx.doi.org/10.1007/s12650-015-0310-1

Karlsson, M., Åbom, M., Lalit, M. and Glav, R. (2016) A note on the applicability of thermo-acoustic engines for automotive waste heat recovery. SAE Int. J. Mater. Manuf. 9:286-293. dx.doi.org/10.4271/2016-01-0223

Karlsson, M., Knutsson, M. and Åbom, M. (2016) Predicting Fluid Driven Whistles in Automotive Intake and Exhaust Systems. SAE Technical Paper. dx.doi.org/10.4271/2016-01-1820

Kerres B., Cronhjort A. and Mihaescu M., (2016) Experimental investigation of upstream installation effects on the turbocharger compressor map, In the Proceedings of The ImechE 12th International Conference on Turbochargers and Turbocharging, London, ImechE, May 2016.

Kerres, B., Nair, V., Cronhjort, A., and Mihaescu, M., (2016) Analysis of the turbocharger compressor surge margin using a Hurst-exponent-based criterion. SAE Int. J. Engines 9:2016. dx.doi.org/10.4271/2016-01-1027

Lim, S.M., Dahlkild, A. and Mihaescu, M. (2016) Wall treatment effects on the heat transfer in a radial turbine turbocharger. A. Segalini (ed.), Proceedings of the 5th International Conference on Jets, Wakes and Separated Flows (ICJWSF2015), Springer Proceedings in Physics 185, pp. 439-447, dx.doi.org/10.1007/978-3-319-30602-5_55.

Pastuhoff, M., Tillmark, N. and Alfredsson, P.H. (2016) Measuring surface pressure on rotating compressor blades using pressure sensitive paint. Sensors, 16:344. dx.doi.org/10.3390/s16030344

Rabault, J., Vernet, J.A., Lindgren, B. and Alfredsson P.H. (2016) A study using PIV of the intake flow in a diesel engine cylinder.  Int. J. Heat Fluid Flows (accepted)

Semlitsch, B. and Mihaescu, M. (2016) Flow phenomena leading to surge in a centrifugal compressor. Energy, 103:572-587. dx.doi.org/10.1016/j.energy.2016.03.032

Sundström E., Kerres B. and Mihaescu M., (2016) Evaluation of centrifugal compressor performance models using Large Eddy Simulation data, ASME Paper, GT2016-57169. dx.doi.org/10.1115/GT2016-57169

Sundström E., Semlitsch B. and Mihaescu M., (2016) Similarities and differences concerning flow characteristics in centrifugal compressors of different size, A. Segalini (ed.), Proceedings of the 5th International Conference on Jets, Wakes and Separated Flows (ICJWSF2015), Springer Proceedings in Physics 185, pp. 457-464, dx.doi.org/10.1007/978-3-319-30602-5_57

Örlü, R. and Kalpakli Vester, A. (2016) Flow visualization of an oblique impinging jet: vortices like it downhill, not uphill. J. Vis. 19:7–9, dx.doi.org/10.1007/s12650-015-0295-9

2015

Aghaali, H. and Ångström, H.E. (2015) A review of turbocompounding as a waste heat recovery system for internal combustion engines, Renew. Sust. Energ. Rev., 49:813-824, dx.doi.org/10.1016/j.rser.2015.04.144

Alenius, E., Fuchs, L. and Åbom, M. (2015) Large eddy simulations of acoustic-flow interaction at an orifice plate. Journal of Sound and Vibration, 345:162-177. dx.doi.org/10.1016/j.jsv.2015.02.012

Du, L., Holmberg, A., Karlsson, M. and Åbom, M. (2015) Aeroacoustic response of a T-junction with bias flow, NOVEM 2015, Dubrovnik, Croatia, 2015.

Holmberg, A., Karlsson,M. and Åbom, M. (2015) Aeroacoustics of rectangular T-junctions subject to combined grazing and bias flow - An experimental investigation, J. Sound Vibration, 340, 152-166. dx.doi.org/10.1016/j.jsv.2014.11.040

Hynninen, A. and Åbom, M. (2015) Procedure to estimate the acoustic performance of the particle oxidation catalyst POC® with low Mach-number flows. INTER-NOISE 2015 - 44th International Congress and Exposition on Noise Control Engineering, The Institute of Noise Control Engineering of the USA, Inc.

Hynninen, A., and Åbom, M. (2015) Determination of in-duct sound power beyond the plane wave range using wall-mounted microphones. Applied Acoustics, 99:24-30. dx.doi.org/10.1016/j.apacoust.2015.05.003

Kalpakli Vester, A., Örlü, R. and Alfredsson, P. H. (2015) Pulsatile turbulent flow in straight and curved pipes – interpretation and decomposition of hot-wire signals. Flow Turbul. Combust., 94, 305–321. dx.doi.org/10.1007/s00348-015-1926-6

Kalpakli Vester, A., Örlü, R. and Alfredsson, P. H. (2015) POD analysis of the turbulent flow downstream a mild and sharp bend. Exp. Fluids, 56, 57. dx.doi.org/10.1007/s00348-015-1926-6

Karlsson, M., Aggarwal, V. and Agarwal, A. (2015) Linear stability analysis of in-duct deep cavities, NOVEM 2015, Dubrovnik, Croatia, 2015.

Lim, S. M., Dahlkild, A. and Mihaescu, M. (2015) Wall Treatment Effects on the Heat Transfer in a Radial Turbine Turbocharger. International Conference on Jets, Wakes and Separated Flows, ICJWSF15, Stockholm.

Lim, S. M. and Mihaescu, M. (2015) Turbocharger Turbine Performance; a Sensitivity to the Boundary Conditions. 14th International Symposium on Unsteady Aerodynamics and Aeroelasticity of Turbomachines, ISUAAAT14, Stockholm, I14-S14-1.

Semlitsch, B., Wang, Y., and Mihaescu, M. (2015) Flow effects due to valve and piston motion in an internal combustion engine exhaust port. Energy Convers. Manage., 96, 18–30. dx.doi.org/10.1016/j.enconman.2015.02.058

Sundström, E., Semlitsch B., Mihaescu, M. (2015) Centrifugal Compressor: the Sound of Surge, AIAA Paper 2015-2674. arc.aiaa.org/doi/abs/10.2514/6.2015-2674

2014

Aghaali, H. and Ångström, H.E.(2014) Externally Divided Exhaust Period on a Turbocompound Engine for Fuel-Saving, 9th International MTZ Conference, Heavy-Duty, On- and Off-Highway Engines, Nov. 2014.

Aghaali, H. and Ångström, H.E.(2014) Performance Sensitivity to Exhaust Valves and Turbine Parameters on a Turbocompound Engine with Divided Exhaust Period, SAE Int. J. Engines 7:1722-1733, 2014. dx.doi.org/10.4271/2014-01-2597

Aghaali, H., Ångström, H.E., and Serrano, J.R. (2014) Evaluation of Different Heat Transfer Conditions on an Automotive Turbocharger, I. J. Engine Res. dx.doi.org/10.1177/1468087414524755

Aghaali, H. and Ångström, H.E. (2014) The Exhaust Energy Utilization of a Turbocompound Engine Combined with Divided Exhaust Period. 11th International Conference on Turbochargers and Turbocharging, 0051, May 2014. abstract

Aghaali, H. and Ångström, H.E. (2014) Effects of Effective Flow Areas of Exhaust Valves on a Turbocompound Diesel Engine Combined With Divided Exhaust Period. FISITA 2014 World Automotive Congress, F2014-CET-135, June 2014. abstract

Du, L., Åbom, M., (2014) Using micro-perforated plates to realize a silencer based on the Cremer impedance. Proceedings of Forum Acusticum, European Acoustics Association (EAA), Krakow, Poland.

Elnady, T., Åbom, M., and Yang, Y. (2014) Systematic Optimization of an Exhaust System to Meet Noise Radiation Criteria at Idle, SAE Int. J. Passeng. Cars - Mech. Syst. 7:915–926, dx.doi.org/10.4271/2014-01-0006

Fjällman J., Mihaescu M., and Fuchs L. (2014) Analysis of 3-Dimensional Turbine flow by Using Mode Decomposition Techniques. ASME Paper, GT2014-26963. dx.doi.org/10.4271/2014-01-0006

Hynninen, A. and Åbom, M. (2014) Acoustic source characterization for prediction of medium speed diesel engine exhaust noise. ASME Journal of Vibration and Acoustics, 136:021008. dx.doi.org/10.1115/1.4026138

Hynninen, A. and Åbom, M., (2014) Acoustic two-port simulation model for the particle oxidation catalyst (POC®). INTERNOISE 2014 - 43rd International Congress on Noise Control Engineering, The Institute of Noise Control Engineering of the USA, Inc. ( PDF)

Kabral, R. and Åbom, M., (2014) Investigation of flow-acoustic interaction in automotive turbocharger. Proceedings of ISMA 2014 - International Conference on Noise and Vibration Engineering and USD, KUL-Leuven, Belgium. ( PDF)

Kabral, R. and Åbom, M., (2014) A compact silencer for the control of compressor noise. SAE International Journal of Engines, ISSN 1946-3936, Vol. 7, nr 3, 1572-1578. dx.doi.org/10.4271/2014-01-2060

Kabral, R., Bodén, H., and Elnady, T. (2014) Determination of Liner Impedance under High Temperature and Grazing Flow Conditions. AIAA Paper 2014-2956. dx.doi.org/10.2514/6.2014-2956

Kabral, R., Du, L., Åbom, M., and Knutsson, M. (2014) A Compact Silencer for the Control of Compressor Noise, SAE Int. J. Engines 7:1572–1578, dx.doi.org/10.4271/2014-01-2060

Kalpakli Vester, A., Örlü, R., and Alfredsson, P. H. (2014) Turbulent pipe flow downstream a 90∘ bend: curvature ratio effects. Proc 10th Int. ERCOFTAC Symposium on Engineering Turbulence Modeling and Measurements (ETMM10), Marbella, Spain, Sept. 17–19, 2014.

Kalpakli, A., Örlü, R., Tillmark, N. and Alfredsson, P. H. (2014) The characteristics of turbulence in curved pipes under highly pulsatile flow conditions. Progress in Turbulence V, Proc. iTi Conference on Turbulence, September 30–October 3, 2012, Bertinoro, Italy, 183–187. dx.doi.org/10.1007/978-3-319-01860-7_29

Karlsson, M. (2014) Quasi-steady aeroacoustic model of a T-junction based on steady state CFD simulations: influence of turbulence model, Forum Acusticum, Krakow, Poland, 2014.​ ( PDF)

Sakowitz, A., Mihaescu, M., and Fuchs, L. (2014) Turbulent Flow Mechanisms in Mixing T-junctions by Large Eddy Simulations. Int. J. Heat Fluid Flow, 45:135–146.

Sakowitz, A., Mihaescu, M., and Fuchs, L. (2014) Flow Decomposition Methods applied to the Flow in an Internal Combustion Engine manifold. Appl. Therm. Eng., 65:57–65. dx.doi.org/10.1016/j.applthermaleng.2013.12.082

Sattarzadeh, S. S., Ferro, M., Örlü, R., and Alfredsson, P. H. (2014) Revisiting the near-wall scaling of the streamwise variance in turbulent pipe flows. Progress in Turbulence V, Proc. iTi Conference on Turbulence, September 30–October 3, 2012, Bertinoro, Italy, 113–119. dx.doi.org/10.1007/978-3-319-01860-7_19

Semlitsch, B., Wang, Y., and Mihaescu, M. (2014) Flow Effects due to Pulsation in an Internal Combustion Engine Exhaust Port. Energy Convers. Manage., 86, 520-536. dx.doi.org/10.1016/j.enconman.2015.02.058

Semlitsch, B., Jyothishkumar, V., Mihaescu, M., Fuchs, L., Gutmark, E.J., and Gancedo, M. (2014) Numerical Flow Analysis of a Centrifugal Compressor with Ported and without Ported Shroud. SAE Paper, 14PFL-0797. dx.doi.org/10.4271/2014-01-1655

Sundström, E., Semlitsch, B., and Mihaescu, M., (2014) Assessment of the 3D Flow in a Centrifugal Compressor Using Steady-State and Unsteady Flow Solvers, SAE Paper, 2014-01-2856 (accepted) papers.sae.org/2014-01-2856/

Tiikoja, H., Lavrentjev, J., Rämmal, H. and Åbom, M. (2014) Experimental investigations of sound reflection from a hot and subsonic flow duct termination. Journal of Sounds and Vibration, 331:1084–1096. dx.doi.org/10.1016/j.jsv.2013.09.030

Wang, Y., Semlitsch, B., Mihaescu, M. and Fuchs, L. (2014) Flow induced Energy Losses in the Exhaust Port of an Internal Combustion Engine. J. Fluids Eng. (accepted) dx.doi.org/10.1115/1.4027952

Zhou, L. and Bodén, H. (2014) Experimental investigation of an in-duct orifice with bias flow under medium and high level acoustic excitation, Int. J. Spray Combustion Dynamics, 6, 267-292. dx.doi.org/10.1260/1756-8277.6.3.267
 
Zhou, L., Bodén, H., Lahiri, C., Bake, F., Enghardt, L., Busse-Gerstengarbe, S. and Elnady, T. (2014) Comparison of impedance eduction results using different methods and test rigs. AIAA 2014-2955, 20th AIAA/CEAS Aeroacoustics Conference, 16-20 June 2014, Atlanta, USA. arc.aiaa.org/doi/abs/10.2514/6.2014-2955

2013

Åbom, M. and Allam, S. (2013) Dissipative Silencers Based on Micro-Perforated Plates. SAE Technical paper 2013-24-0071. dx.doi.org/10.4271/2013-24-0071

Aghaali, H. and Ångström, H.E. (2013) Temperature Estimation of Turbocharger Working Fluids and Walls under Different Engine Loads and Heat Transfer Conditions. SAE/11th International Conference on Engines & Vehicles, 2013-24-0123. dx.doi.org/10.4271/2013-24-0123

Aghaali, H. and Ångström, H.E. (2013) Demonstration of Air-Fuel Ratio Role in One-Stage Turbocompound Diesel Engines. SAE/KSAE 2013 International Powertrains, Fuels & Lubricants Meeting, 2013-01-2703. papers.sae.org/2013-01-2703/

Allam, S. and Åbom, M. (2013) Whistling Potential for Duct Components. SAE Technical paper 2013-01-1889. dx.doi.org/10.4271/2013-01-1889

Bodin O., Wang Y., Mihaescu M., and Fuchs L. (2013). LES of the Exhaust Flow in a Heavy-Duty Engine. Oil Gas Sci. Technol. – Rev. IFP Energies nouvelles. dx.doi.org/10.2516/ogst/2013117

Gundmalm, S., Cronhjort, A. and Ångstrom, H.E. (2013) Divided Exhaust Period: Effects of Changing the Relation between Intake, Blow-Down and Scavenging Valve Area. SAE 2013, 2013-01-0578. dx.doi.org/10.4271/2013-01-0578

Jyothishkumar, V., Mihaescu, M., Semlitsch, B., and Fuchs, L., (2013) Numerical Flow Analysis in a Centrifugal Compressor near Surge Condition. AIAA Paper, AIAA 2013-2730. dx.doi.org/10.2514/6.2013-2730

Kabral, R., Rämmal, H. and Åbom, M. (2013) Acoustical Methods for Investigating Turbocharger Surge. SAE Technical paper 13NVC-0075. dx.doi.org/10.4271/2013-01-1879

Kalpakli, A. and Örlü, R. (2013) Turbulent pipe flow downstream a 90° pipe bend with and without superimposed swirl. Int. J. Heat Fluid Flow. 41:103–111. dx.doi.org/10.1016/j.ijheatfluidflow.2013.01.003

Kalpakli, A., Örlü, R., and Alfredsson, P.H. (2013) Vortical patterns in turbulent flow downstream a 90 degree curved pipe at high Womersley numbers. Int. J. Heat Fluid Flow. 44:692–699. dx.doi.org/10.1016/j.ijheatfluidflow.2013.09.008

Pastuhoff, M., Yorita, D., Asai, K. and Alfredsson, P.H. (2013) Enhancing the signal-to-noise ratio of pressure sensitive paint data by singular value decomposition. Meas. Sci. Technol. 24:075301. dx.doi.org/10.1088/0957-0233/24/7/075301

Sattarzadeh, S.S., Kalpakli, A., and Örlü, R. (2013) Hot-Wire Calibration at Low Velocities: Revisiting the Vortex Shedding Method. Advances in Mechanical Engineering. 2013:241726. dx.doi.org/10.1155/2013/241726

Sakowitz, A., Mihaescu, M., and Fuchs, L. (2013) Effects of velocity ratio and inflow pulsations on the flow in a T-junction by Large Eddy Simulation. Comput. Fluids. 88:374–385. dx.doi.org/10.1016/j.compfluid.2013.10.001

Sakowitz, A., Reifarth, S., Mihaescu, M. and Fuchs, L. (2013) Modeling of EGR Mixing in an engine intake manifold using LES. Oil Gas Sci. Technol. – Rev. IFP Energies nouvelles. dx.doi.org/10.2516/ogst/2013118

Semlitsch, B., Jyothishkumar, V., Mihaescu, M., Fuchs L., and Gutmark, E. J. (2013) Investigation of the Surge Phenomena in a Centrifugal Compressor Using Large Eddy Simulation. ASME Paper, IMECE2013-66301. dx.doi.org/10.1115/IMECE2013-66301

Wang, Y., Semlitsch, B., Mihaescu, M., and Fuchs, L. (2013) Flow Structures and Loses in the Exhaust Port of an Internal Combustion Engine. ASME Paper, IMECE2013-64610. dx.doi.org/10.1115/IMECE2013-64610

Zhou, L. and Bodén, H. (2013) The effect of combined high level acoustic excitation and bias flow on the acoustic properties of an in-duct orifice. 19th AIAA/CEAS Aeroacoustics Conference. AIAA 2013-2128. dx.doi.org/10.2514/6.2013-2128

2012

Aghaali, H. and Ångström, H.E. (2012) Turbocharged SI-Engine Simulation with Cold and Hot-Measured Turbocharger Performance Maps. ASME Turbo Expo 2012, GT2012-68758. abstract.

Aghaali, H. and Ångström, H.E. (2012) Improving Turbocharged Engine Simulation by Including Heat Transfer in the Turbocharger. SAE 2012, 2012-01-0703, dx.doi.org/10.4271/2012-01-0703.

Alenius, E., Åbom, M. and Fuchs, L. (2012) LES of Acoustic-Flow Interaction at an Orifice Plate. 18th AIAA-CEAS Aeroacoustics conference. AIAA Paper 2012-2064, dx.doi.org/10.2514/6.2012-2064.

Allam, S., Åbom, M. and Wester, L. (2012) Noise control for cooling fans on heavy vehicles. Int. Conf. Fan Noise, Senlis, France, 18-20 April 2012.

Bodin, O., Wang, Y., Mihaescu, M. and Fuchs, L. (2012) LES of the exhaust flow in a heavy-duty engine. Proc. Int Conf LES for Internal Combustion Engine Flows

Gundmalm, S., Cronhjort, A. and Ångstrom, H.E. (2012) Divided Exhaust Period on Heavy-Duty Diesel Engines. THIESEL 2012 Conference on Thermo- and Fluid Dynamic Processes in Direct Injection Engines.

Kalpakli, A. and Örlü, R. (2012) Experimental investigation on the secondary motion downstream a pipe bend with and without swirl. Proc 9th Int. ERCOFTAC Symposium on Engineering Turbulence Modeling and Measurements (ETMM9), Thessaloniki, Greece, Jun. 6-8, 2012.

Kalpakli, A., Örlü, R. and Alfredsson, P.H. (2012) Dean vortices in turbulent flows: Rocking or Rolling? J. Vis., 15:37–38. dx.doi.org/10.1007/s12650-011-0108-8

Kalpakli, A., Örlü, R., Tillmark, N. and Alfredsson, P.H. (2012) Experimental investigation on the effect of pulsations on exhaust manifold-related flows aiming at improved engine efficiency. 10th International Conference on Turbochargers and Turbocharging (iMechE), London, UK, May 15-16, 2012, pp. 377-387. dx.doi.org/10.1533/9780857096135.8.377

Kierkegaard, A., Allam, S., Efraimsson, G. and Åbom, M. (2012) Simulations of whistling and the whistling potentiality of an in-duct orifice with linear aeroacoustics. J. Sound Vibration, 331:1084–1096. dx.doi.org/10.1016/j.jsv.2011.10.028

Laurantzon, F., Tillmark, N., Örlü, R. and Alfredsson, P.H. (2012) A flow facility for the characterization of pulsatile flows. Flow Meas. Instrum. 26:10–17. dx.doi.org/10.1016/j.flowmeasinst.2012.04.009

Laurantzon, F., Örlü, R., Segalini, A., Tillmark, N. and Alfredsson, P.H. (2012) Experimental analysis of turbocharger interaction with a pulsatile flow through time-resolved flow measurements upstream and downstream the turbine. 10th International Conference on Turbochargers and Turbocharging (iMechE), London, UK, May 15-16, 2012, pp. 405-415. dx.doi.org/10.1533/9780857096135.8.405

Pastuhoff, M., Yorita, D., Tillmark, N., Alfredsson, P.H. and Asai, K. (2012) Modal Analysis of Pressure Sensitive Paint Data. Proc. 9th Int. Conf. Flow Dynamics, Sendai, Japan.

Sakowitz, A., Reifarth, S., Mihaescu, M. and Fuchs, L. (2012) Modeling of EGR Mixing in an engine intake manifold using LES. Proc. Int Conf LES for Internal Combustion Engine Flows

Winkler, N., Alenius, E. and Fuchs, L. (2012) Reduced model for the radial turbine based on proper orthogonal decomposition. 10th International Conference on Turbochargers and Turbocharging (iMechE), London, UK, May 15-16, 2012, pp. 419-427. dx.doi.org/10.1533/9780857096135.9.419

Zhou, L.and Bodén, H. (2012) Acoustic Properties Of An In-Duct Orifice Subjected To Bias Flow And High Level Acoustic Excitation. 10th International Conference on Flow-Induced Vibration (& Flow-Induced Noise), pp. 187-193. abstract

2011

Alenius, E., Åbom, M. and Fuchs, L. (2011) Scattering of plane waves by a constriction. ASME Conf. Proc. Paper no GT2011-46247. dx.doi.org/10.1115/GT2011-46247

Elnady, T., Elsaadany, S. and Åbom, M. (2011) Flow and pressure drop calculation using two-ports. J. Vib. Acoust., 133:04106. dx.doi.org/10.1115/1.4003593

Glav, R., Karlsson, M., Åbom, M. (2011) Aeroacoustics of duct branches with application to silencers. SAE Technical Paper 2011-24-0218. dx.doi.org/10.4271/2011-24-0218

Holmberg, A., Åbom, M. and Bodén, H. (2011) Accurate experimental two-port analysis of flow generated sound. J. Sound Vibration, 330:6336–6354. dx.doi.org/10.1016/j.jsv.2011.07.041

Kalpakli, A., Örlü, R., Tillmark, N. and Alfredsson, P.H. (2011) Pulsatile turbulent flow through pipe bends at high dean and Womersley numbers. J. Phys.: Conf. Ser. 318:092023. dx.doi.org/10.1088/1742-6596/318/9/092023

Karlsson, M. and Åbom, M. (2011) On the use of linear acoustic multiports to predict whistling in confined flows. ACTA ACUST UNITED AC. 97:24–33. dx.doi.org/10.3813/AAA.918383

Karlsson, M. and Åbom, M. (2011) Quasi-steady model of the acoustic scattering properties of a t-junction. J. Sound Vibration, 330:5131–5137. dx.doi.org/10.1016/j.jsv.2011.05.012

Knutsson, M., Lennblad, J., Bodén, H. and Åbom, M. (2011) A study on acoustical time-domain two-ports based on digital filters with application to automotive air intake systems. SAE Int. J. Passeng. Cars – Mech. Syst., 4:970–982. dx.doi.org/10.4271/2011-01-1522

Pastuhoff, M. (2011) Experimental evaluation of polymer/ceramic pressure sensitive paint by measuring wall pressure in a y-junction at pulsating flow. In Svenska Mekanikdagar, Chalmers Göteborg, Sweden.

Pastuhoff, M., Tillmark, N. and Alfredsson, P.H. (2011) Wall pressure measurements in a y-junction at pulsating flow using polymer/ceramic pressure sensitive paint. In Proc. 10th Int. Symp. Exp. Comp. Aerothermodynamics of Internal Flows, Brussels, Belgium. abstract, pdf

Sakowitz, A. and Fuchs, L. (2011) Computation of mixing processes related to EGR. Proc. 7th Int. Turbulence Shear Flow Phenomena (TSFP-7). pdf

Sakowitz, A. and Fuchs, L. (2011) LES of the turbulent mixing process in a T-junction with stationary and pulsating inflow conditions. Proc. 10th Int. Symp. Experimental Computational Aerothermodynamics of Internal Flows.

Tiikoja, H., Rämmal, H., Åbom, M., and Boden, H. (2011) Sound Transmission in Automotive Turbochargers. SAE Technical Paper 2011-01-1525. dx.doi.org/10.4271/2011-01-1525

Tiikoja, H., Rämmal, H., Åbom, M. and Boden, H. (2011) Investigations of automotive turbocharger acoustics. SAE Int. J. Engines. 4:2531–2542. dx.doi.org/10.4271/2011-24-0221

Vourinen, V.A., Hillamo, H., Kaario, O., Nuutinen, M., Larmi, M. and Fuchs, L. (2012) Effect of Droplet Size and Atomization on Spray Formation: A Priori Study Using Large-Eddy Simulation. Flow Turbul. Combust. 86:533–561. dx.doi.org/10.1007/s10494-010-9266-3

2010

Allam, S. and Åbom, M. (2010) On optimal design of mufflers using micro-perforated panels. 17th Int. Congress Sound Vibration ICSV17, Cairo, Egypt. abstract

Hellström, F. and Fuchs, L. (2010) Heat transfer effects on the performance of a radial turbine working under pulsatile flow conditions. In American Institute of Aeronautics and Astronautics: 48th Aerospace sciencis meeting, Orlando Fl, 2010.

Hellström, F. and Fuchs, L. (2010) Assessment of heat transfer effects on the performance of a radial turbine using large eddy simulation. In IMechE, 9th Conference on turbochargers and turbocharging, 2010.

Hellström, F., Renberg, U., Westin, F. and Fuchs, L. (2010) Predictions of the Performance of a Radial Turbine with Different Modeling Approaches: Comparison of the Results from 1-D and 3-D CFD, SAE Technical Paper 2010-01-1223. dx.doi.org/10.4271/2010-01-1223

Kalpakli, A., Örlü, R., Tillmark, N. and Alfredsson, P.H. (2010) Experimental investigation on the effect of pulsations on turbulent flow through a 90 degrees pipe bend. In 3rd Int. Conf. on Jets, Wakes and Separated Flows, Sept 27-30, 2010, Cincinnati, Ohio, USA 1-6, volume 1-6, 2010.

Karlsson, M. and Åbom, M. (2010) Aeroacoustics of t-junctions – An experimental investigation. J. Sound Vibration, 329:1793–1808. dx.doi.org/10.1016/j.jsv.2009.11.024

Knutsson, M. and Åbom, M. (2010) The effect of turbulence damping on acoustic wave propagation in tubes. J. Sound Vibration, 329:4719–4739. dx.doi.org/10.1016/j.jsv.2010.05.018

Laurantzon, F., Örlü, R., Segalini, A. and Alfredsson, P. H. (2010) Time-resolved measurements with a vortex flowmeter in pulsating turbulent flow using wavelet analysis. Meas. Sci. Technol., 21:123001. dx.doi.org/10.1088/0957-0233/21/12/123001

Rämmal, H., Åbom, M., Tiikoja, H., and Bodén, H. (2011) Experimental Facility for the Complete Determination of Sound Transmission in Turbochargers. SAE Technical Paper 2010-01-1424. dx.doi.org/10.4271/2010-01-1424

Rämmal, H. and Galindo, J. (2010) The passive acoustic effect of turbocompressors. In Proceedings of the 9th International Conference on Turbochargers and Turbocharging, London, 19-20 May, 2010, UK.

Pastuhoff, M., Tillmark, N. and Alfredsson, P.H. (2010) Dynamic calibration of polymer/ceramic pressure sensitive paint using a shock tube. In Proceedings of the 7th International Conference on Flow Dynamics, Sendai, Japan.

Reifarth, S. and Ångstrom, H-E. (2010) Transient EGR in a high-speed DI dielsel engine for a set of different EGR-routings. SAE Int. J. Engines, 3:1071–1078. dx.doi.org/10.4271/2010-01-1271

Renberg, U., Westin, F., Ångstrom, H.E. and Fuchs, L. (2010) Study of Junctions in 1-D & 3-D Simulation for Steady and Unsteady Flow. SAE Technical Paper 2010-01-1050. dx.doi.org/10.4271/2010-01-1050

Tiikoja, H., Rämmal, H., Åbom, M. and Boden, H. (2010) Test-rig for complete acoustic characterization of turbochargers. AIAA Paper 2010-4012. arc.aiaa.org/doi/abs/10.2514/6.2010-4012

Westlund, A., Ångström, H.E. and Lindström, M. (2010) Validation of a Simplified Model for Combustion and Emission Formation in Diesel Engines Based on Correlations for Spray Penetration and Dispersion, Gas Entrainment into Sprays and Flame Lift-off. SAE Technical Paper 2010-01-1494. dx.doi.org/10.4271/2010-01-1494

2009

Allam, S., Guo, Y., and Åbom, M. (2009) Acoustical Study of Micro- Perforated Plates for Vehicle Applications. SAE Technical Paper 2009-01-2037. dx.doi.org/10.4271/2009-01-2037

Hellström, F. and Fuchs, L. (2009) Numerical computations of the pulsatile flow in a turbocharger with realistic inflow conditions from an exhaust manifold. ASME Conf. Proc. Paper GT2009-59619. dx.doi.org/10.1115/GT2009-59619

Knutsson, M. and Åbom, M. (2009) Sound propagation in narrow tubes including the effects of viscothermal and turbulent damping with application to charge air coolers. J. Sound Vibration, 320:289–321. dx.doi.org/10.1016/j.jsv.2008.07.006

Laurantzon, F., Tillmark, N., and Alfredsson, P.H. (2009) A pulsating flow rig for analyzing turbocharger performance. In 9th International Conference on Turbochargers and Turbocharging, pages 363-372.

Rämmal, H. and Åbom, M. (2009) Experimental Determination of Sound Transmission in Turbo-Compressors. SAE Technical Paper 2009-01-2045. dx.doi.org/10.4271/2009-01-2045

Reifarth, S. and Ångström, H.-E. (2009) Transient EGR in a long-route and short-route EGR-system. ASME Conf. Proc. Paper no. ICE2009-76107. dx.doi.org/10.1115/ICES2009-76107

Renberg, U., Ångström, H.-E., and Fuchs, L. (2009) A Comparative Study Between 1D and 3D Computational Results for Turbulent Flow in an Exhaust Manifold and in Bent Pipes. SAE Technical Paper 2009-01-1112. dx.doi.org/10.4271/2009-01-1112

Westlund, A. and Ångström, H.-E. (2009) Fast Physical Prediction of NOx and Soot in Diesel Engines," SAE Technical Paper 2009-01-1121, 2009. dx.org.doi/10.4271/2009-01-1121

Westlund, A. and Ångström, H.-E. (2009) Fast Physical Emission Predictions for Off-line Calibration of Transient Control Strategies. SAE Technical Paper 2009-01-1778. dx.doi.org/10.4271/2009-01-1778

2008

Bodin, O. and Fuchs, L. (2008) Shock unsteadiness and shock induced separation at transonic flows over a bump. 7th Int. Symp. Engineering Turbulence Modeling and Measurements (ETMM7), Limassol Cyprus.

Bodin, O. and Fuchs, L. (2008) Shock motion and shock induced separation in oscillating pressure driven transonic flow over a bump. AIAA Paper 2008-4174. Proc. 38th AIAA Fluid Dynamics Conference and Exhibit, 23 - 26, Seattle, Washington USA. arc.aiaa.org/doi/pdf/10.2514/6.2008-4174

Bodin, O. and Fuchs, L. (2008) Transonic flow in ic engine eshaust valves. In ICJWSF2, Berlin, Germany.

Guo, Y., Allam, S. and Åbom, M. (2008) Micro-perforated plates for vehicle applications. 37th Int. Congress and Exhibition on Noise Control Engineering, Shanghai, China, October, 2008

Hellström, F. and Fuchs, L. (2008) Effects of inlet conditions on the turbine performance of a radial turbine. Proceedings of the ASME Turbo Expo 2008: Power for Land, Sea and Air, 2008, Berlin.

Hellström, F. and Fuchs, L. (2008) Numerical computations of pulsatile flow in a turbo-charger. In 46th AIAA Aerospace Science Meeting and Exhibit.

Knutsson, M., Lennblad, J. and Bodén, H. (2008) Prediction of IC-engine intake orifice noise using 3D acoustic modelling and linear source data based on non-linear CFD. 5th International Styrian Noise, Vibration & Harshness Congress, Graz, Austria.

Laurantzon, F., Tillmark, N., and Alfredsson, P.H. (2008) The corona mass flow meter. In The 19th Symposium on Measuring Techniques in Transonic ans Supersonic Flow in Cascades and Turbomachines.

Rämmal, H. and Åbom, M. (2008)Testrig for characterization of turbo-compressor acoustic properties. In Proceedings of the 29th International AIAA Aeroacoustics Conference, Vancouver, 07 May, 2008, Canada.

Westlund, A. and Ångström, H. (2008) Evaluation of Techniques for Transient PM-Measurements. SAE Technical Paper 2008-01-1680. dx.doi.org/10.4271/2008-01-1680

Westlund, A., Winkler, N., Diotallevi, F. and Ångstrom, H.-E. (2008) Predictions and measurements of transient NOx emissions for a two-stage turbocharged HD diesel engine with EGR. In THIESEL 2008 Conference on Thermo- and Fluid Dynamic Processes in Diesel Engines.

Winkler, N. and Ångström, H. (2008) Simulations and Measurements of a Two-Stage Turbocharged Heavy-Duty Diesel Engine Including EGR in Transient Operation. SAE Technical Paper 2008-01-0539. dx.doi.org/10.4271/2008-01-0539

2007

Karlsson, M. and Glav, R. (2007) The flow reversal resonator. SAE Technical Paper 2007-01-2203. dx.doi.org/10.4271/2007-01-2203

Knutsson, M. and Bodén, H. (2007) IC-Engine Intake Acoustic Source Data from Non-Linear Simulations. SAE Technical Paper 2007-01-2209. dx.doi.org/10.4271/2007-01-2209

Knutsson, M., Åbom, M. (2007) Acoustic analysis of charge air coolers. SAE Technical Paper 2007-01-2208. dx.doi.org/10.4271/2007-01-2208

Knutsson, M. and Åbom, M. (2007) Sound propagation in narrow channels with arbitrary cross-sections and superimposed mean flow with application to charge air coolers. ICSV14, Cairns-Australia. abstract, pdf

Rämmal, H. and Åbom, M. (2007) Acoustics of Turbochargers. SAE Technical Paper 2007-01-2205. dx.doi.org/10.4271/2007-01-2205

Winkler, N. and Ångström, H. (2007) Study of Measured and Model Based Generated Turbine Performance Maps within a 1D Model of a Heavy-Duty Diesel Engine Operated During Transient Conditions. SAE Technical Paper 2007-01-0491. dx.doi.org/10.4271/2007-01-0491

Top page top