Associate Professor Leping Feng, Ph.D.

Leping Feng

Address:

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

Phone:

+46-8-790 79 96

E-mail Leping Feng

Education

Ph.D. in acoustics, Institute of Acoustics, Chinese Academy of Sciences, China. 1989
M.Sc. in acoustics, Institute of Acoustics, Chinese Academy of Sciences, China. 1984
B.Sc. in physics, Hangzhou University (now Zhejiang University), China. 1982

Teaching

SD2165 Acoustical Measurements

Research interests

  • Structure-borne sound and vibration
  • Noise control engineering
  • Room acoustics
  • Active noise/vibration control

Main advisor for current PhD students

  • Sathish Kumar Ramanathan

Main advisor for Doctoral thesis

  • Mats Henriksson (2009)
  • Bilong Liu (2006)
  • Robert Hildebrand (2001)
  • Mikael Pärssinen (2001)

Main advisor for Licentiate thesis

  • Sathish Kumar Ramanathan (2010)
  • Qi Li (2008)
  • Mats Henriksson (2005)
  • Bilong Liu (2005)
  • Per-Olf Berglund (2003)
  • Magnus Wollström (2000)
  • Eva Nilsson (2000)
  • Robert Hildebrand (1999)
  • Mikael Pärssinen (1998)

Publications

Journal papers

Feng, L. (2012) Tone-like signal in the wind-induced noise of perforated plates. Acta Acustica united with Acustica, 98(1), 188-194.

Feng, L. and Kumar, S. (2012) On application of radiation loss factor in the prediction of sound transmission loss of a honeycomb panel, International Journal of Acoustics and Vibration (Accepted 8 December 2011).

Kumar, S., Feng, L., Orrenius, U. (2011) Predicting the Sound Transmission Loss of Honeycomb Panels using the Wave Propagation Approach. Acta Acustica united with Acustica, 97(5), 869-876.

Liu, B., Feng, L. and Nilsson, A. (2007) Influence of overpressure on sound transmission through curved panels. Journal of Sound and Vibration, 302(2007), 760-776.

Liu, B., Feng, L. and Nilsson, A. (2007) Sound transmission through curved airplane panels with stringer and ring frame attachments. Journal of Sound and Vibration, 300(2007), 949-973.

Feng, L. (2005) Modified honeycomb panels to improve sound insulation properties. Acta Acustica united with Acustica, 91, 386-388.

Kari, L., Lindgren, K., Feng, L. and Nilsson, A. (2002) Constrained polymer layers to reduce noise: reality or fiction? - An experimental inquiry into their effectiveness, Polymer Testing, 21(8), 949-958.

Feng, L., Liu, M. and Nilsson, A. (2001) Experimental study of structure-borne sound transmission loss of one-dimensional mechanical joints. Journal of the Acoustical Society of America, 110(3), 1405-1411.

Feng, L. (2001) Vibration insertion loss of traditional and smart joints. Acta Acustica united with Acustica, 87(2), 199-205.

Feng, L. (2001) An experimental method for vibration insertion loss of mechanical joints. Acta Acustica united with Acustica, 87(2), 191-198.

Gavric, L., Carlsson, U. and Feng, L. (1997) Measurement of structural intensity using a normal mode approach. Journal of Sound and Vibration, 206(1), 81-101.

Feng, L. (1996) Experimental studies of the acoustic behaviour of a finite pipe filled with/without fluid. Journal of Sound and Vibration, 189(4), 511-524.

Feng, L. (1995) Active control of structurally radiated sound using multi-actuator method. Journal of the Acoustical Society of America, 98(1), 397-402.

Feng, L. (1995) Noise and vibration of a fluid filled elastic pipe coated with an absorptive layer on the inner side of the wall. Journal of Sound and Vibration, 183(1), 169-178.

Feng, L. (1994) Acoustic properties of fluid-filled elastic pipes. Journal of Sound and Vibration, 176(3), 399-413.

Feng, L. (1991) A simplified way to compute partial coherence function in noise source identification. Chinese Journal of Acoustics, 10(2), 125-130.

Feng, L. and Dah-You, M. (1990) A measure for non-stationarity with applications on gearbox noise. Chinese Journal of Acoustics, 9(3), 205-211.

Feng, L. and Dah-You, M. (1990) Relation between pulsed jet noise and steady jet noise. Chinese Journal of Acoustics, 9(2), 109-115.

Peizi, L. and Feng, L. (1990) Experimental studies on the vibration of perforated sheet. Chinese Journal of Acoustics, 9(2), 103-108.

Feng, L. and Dah-You, M. (1990) Description of time-varying noise processes with application to aircraft flying-over noise. Chinese Journal of Acoustics, 9(2), 97-102.

Feng, L. (1987) Analyses of the Effective Depth of Acoustic Cavity of a Combustion Chamber Using Finite Element Method. Chinese Journal of Acoustics, 6(2), 104-116.

Conference papers

Kumar, S., Feng, L. and Orrenius, U. (2012) Transmission loss of rib-stiffened double-leaf partitions with cavity absorption. NOVEM 2012, Sorrento, Italy.

Feng, L. and Kumar, S. (2010) On application of radiation loss factor in the prediction of sound transmission loss of a honeycomb panel. ICSV 17, Cairo, Egypt.

Feng, L. (2008) Comparison of different methods for surface impedance and transmission loss measurements in duct. Inter-Noise 2008, Shanghai, China.

Kumar, S., Feng, L. and Orrenius, U. (2008) The Effects of Damping Treatment on Honeycomb Sandwich Panels. Inter-Noise 2008, Shanghai, China.

Feng, L. (2007) Influence of structural damping on sound radiation from a point-excited beam. Inter-Noise 2007, paper 269, Istanbul, Turkey.

Jiang, Y., Åbom, M., Feng, L., Timouchev, S. and Maliczak, C. (2007) Investigation of Sound Generation from an Axial Fan for Engine Cooling. Fan Noise 2007, Lyon, France

Feng, L. (2006) Some aspects on sound transmission loss of finite curved structures with or without pressure different at the two sides. National Congress of the Acoustical Society of China, 18-20 October, Xiamen, China (in Chinese, invited).

Orrenius, U., Almgren, M., Jiang, Y. and Feng, L. (2006) Damping treatments on train interior panels: vibration and radiation effects. Joint Baltic-Nordic Acoustics Meeting 2006, 8-10 November, Gothenburg, Sweden.

Feng, L., Orrenius, U., Almgren, M. and Jiang, Y. (2006) Influence of structural damping on radiation efficiency of a mechanically or acoustically excited panel. The 13th International Congress on Sound and Vibration, Wienna Austra.

Feng, L., Henriksson, M. and Pärssinen, M. (2005) On model of gearbox noise and dynamic transmission error. The 12th International Congress on Sound and Vibration, Lisbon, Portugal, Paper 485.

Liu, B., Feng, L. and Nilsson, A. (2005) Influence of pressurization on sound insulation of curved airplane panels. The 12th International Congress on Sound and Vibration, Lisbon, Portugal, Paper 282.

Feng, L. (2005) Sound insulation of honeycomb panels. Progress in Modern Acoustics, Chinese Academy of Sciences, March 2005, Beijing, China (invited).

Feng, L. (2004) On low frequency sound insulation of lightweight structures. The 11th International Congress on Sound and Vibration, St. Petersburg, Russia 2425 - 2432.

Feng, L. (2004) Education and research in MWL at KTH. Forum Acustica. Sanya, China (invited).

Feng, L. (2003) A modified honeycomb panel to increase sound transmission loss. The 10th International Congress on Sound and Vibration, Stockholm, Sweden, 4549-4554.

Liu, B. and Feng, L. (2003) Sound transmission through a double walled cylindrical shell. The 10th International Congress on Sound and Vibration, Stockholm Sweden, 4617-4624.

Facian, A., Nilsson, A., Feng, L. and Nilsson, E. (2003) Propagation of structure-borne sound in silencers used in power plants. The 11th International Congress on Sound and Vibration, St. Petersburg, Russia,  1069-1076.

Feng, L. (2003) Acoustic models of axial and centrifugal fans for NST technology. Euronoise 2003, Naples, Italy, paper 025-IP.

Feng, L. (2002) Prediction of sound pressure levels from an air-handling unit using Noise Synthesis Technology. The 9th International Congress on Sound and Vibration, Orlando, Florida, USA.

Berglund, P.-O., Feng, L. and Åbom, M. (2002) An application of the noise synthesis technology (NST) to a system with an axial fan. Forum Acustca 2002, Seville, Spain.

Feng, L. (2001) Influence of compartment size on radiated sound power level of a centrifugal fan. 17th International Congress on Acoustics, Rome, Italy.

Feng, L. (2001) Vibration reduction by structure modification. The 8th International Congress on Sound and Vibration, Hong Kong, China, 1957-1964.

Feng, L., Nilsson, A. and Carniel, X. (2001) Comparative performance of structural joints and mechanical assemblies. First European Forum Materials and Products for Noise and Vibration Control in Machinery and Transportation, July 2001, Senlis, France. 709-719.

Feng, L.and Nilsson, A. (2000) A new design of lightweight panel to improve both static strength and sound insulation. Inter-noise 2000, Nice, France, paper 149.

Feng, L. and Nilsson, A. (2000) Characterisation methods and ranking of mechanical joints. ISMA 25, Louven, Belgium.

Books

Feng, L. Acoustical Measurements, TRITA-AVE 2007:07, KTH (The Royal Institute of Technology), Stockholm, Sweden, 5th print (2011).

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