Adjunct Professor Ragnar Glav, Dr. Tech.

Ragnar Glav

Address 1:

Department of Aeronautical and Vehicle Engineering
MWL
KTH Royal Institute of Technology
SE-100 44 Stockholm, Sweden

E-mail Ragnar Glav

Address 2:

Scania CV AB
RTRN, Acoustics
SE-151 87 Södertälje, Sweden

Phone:

+46-8-553 53 419

Fax:

+46-8-553 85 604

ragnar.glav@scania.com

Education

Dr.Tech, Technical Acoustics, KTH, Stockholm, Sweden, 1995.
Civ.Ing, Technical Physics, KTH, Stockholm, Sweden, 1985.

Non-academic experience

Head of Acoustics, Truck Chassi Development, Scania CV AB, Södertälje, Sweden, since 2008.

Head of Noise Certification, Truck Chassi Development, Scania CV AB, Södertälje, Sweden,
2010-2011.

Senior Consultant in Acoustics, Acoustic Control/Týrens AB, Täby, Sweden, 2008.

Technical Manager in Acoustics, Truck Chassi Development, Scania CV AB, Södertälje, Sweden, 1999-2008.

Computational Engineer in Acoustics, Department of technical computing, Saab Automotive AB, Trollhättan, Sweden, 1986-1992.

Teaching

Lecturer/Responsible for "Cross Functional Vehicle Competence", Scania RD, since 2010.

Lecturer/Responsible for "Theoretical Acoustics" (doctoral student course), ML901, KTH, 1997-1999.

Lecturer/Responsible for "Flow duct acoustics", 4B1135 and 4B1136, KTH, 1991-1999.

Lecturer in "Fundamentals of noise and vibration control", 4B1111 and 4B1112, KTH, 1995-1998.

Research interests

  • Flow duct acoustics
  • Computational acoustics

Selected publications

  • Glav, R., Bodén, H. and Åbom, M. (1988). An acoustic model for automobile catalytic converters. Proceedings Inter Noise 88 (Invited paper), 1261-1266.
  • Glav, R. (1990). Computer simulation of sound propagation in ducts. Proceedings Inter-Noise 90, 553 536.
  • Glav, R. (1992). Computer simulation of sound propagation in inlet and exhaust systems. Proceedings ISATA 92, 161-167.
  • Glav, R. (1995). Efficient methods to analyse dissipative silencers of arbitrary cross-section. Proceedings Euro Noise 95, 803-808.
  • Glav, R. (1996). The point matching method on dissipative silencers of arbitrary cross-section. Journal of Sound and Vibration, 189(1), 123-135.
  • Glav, R. (1996). The nullfield approach to dissipative silencers of arbitrary cross-section. Journal of Sound and Vibration, 189(4), 489-509.
  • Åbom, M., Glav, R. and Ljungqvist, J. (1997). Measurements of turbulent generated noise in ducts. Proceedings Inter Noise 97, 387 390.
  • Glav, R., Åbom, M. and Nygård, S. (1997). Analysis of multi-branch flow-ducts. Proceedings Inter Noise 97, 359 362.
  • Glav, R. and Åbom, M. (1997). A general formalism for analysing acoustic 2-port networks. Journal of Sound and Vibration, 202(5), 739-747.
  • Bodén, H., Béraud, G. and Glav, R. (1998). Determination of the acoustic transmission properties of IC-engine air inlet system components. Proceedings EAA Symposium on Transport Noise and Vibration 98.
  • Glav, R. and Åbom, M. (1998). Application of the 2-port method to commercial IC-engine exhausts. Proceedings, EAA Symposium on Transport Noise and Vibration 98.
  • Glav, R. (1998). Measurements of the flow generated noise in an automobile exhaust system. Proceedings NAM 98.
  • Glav, R. and Thörnqvist, U. (1998). A new type of compact side-branch resonator. Proceedings Inter Noise 98.
  • Bodén, H., Glav, R. and ter Riet, R. (1999). Measurements of sound transmission through a 90° bend with flow. Proceedings 6th International Congress on Sound and Vibration.
  • Glav, R. and Jönsson, O. (2000). A semi-analytical approach to design a low-frequency absorber. Proceedings Inter-Noise 2000.
  • Glav, R. (2000) The transfer matrix for a dissipative silencer of arbitrary cross-section. Journal of Sound and Vibration, 236(4), 575-594.
  • Glav, R., Costa, A. and Åbom, M. (2003). Application of the folded resonator. Proceedings 10th International Congress on Sound and Vibration.
  • Glav, R., Regaud, P.-L. and Åbom, M. (2004). Study of a folded resonator including the effects of higher order modes. Journal of Sound and Vibration 273, 777-792.
  • Fairbrother, R., Bodén, H. and Glav, R. (2005). Linear acoustic exhaust system simulation using source data from non-linear simulation. SAE Technical paper 2005-01-2358.
  • Karlsson M., Glav R. and Åbom M. (2007). The attenuation conditions and their sensitivity to mean flow. Journal of the Acoustical Society of America, 124(2), 723-732.
  • Glav R. and Karlsson M. (2007). The flow reversal resonator. SAE Technical Paper 20001-1-2203.
  • Karlsson M., Åbom M. and Glav R. (2011) Aeroacoustics of duct branches with application to silencers. SAE Technical Paper 2011-24-0218.
  • Färm A., Boij S. and Glav R. (2012) On sound absorbing charactersitics and suitable measurement methods. SAE International 2012-01-1534.
     
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