Journal & Conference Papers
2013
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. abstract.
Kalpakli, A. and Örlü, R. (2013) Turbulent pipe flow downstream a 90° pipe bend with and without superimposed swirl. Int. J. Heat Fluid Flow. dx.doi.org/10.1016/j.ijheatfluidflow.2013.01.003
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.
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.
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.
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
