Key papers:

1. Car panel noise contribution. Huge time reduction with Microflowns:
   1) Panel Contribution Analysis – An Alternative Window Method,
   Oliver Wolff and Roland Sottek, SAE 2005
   2) Vehicle Acoustic Synthesis Method : improving acquisition time by using p-u probes,
   Jean-Francois Rondeau et al., SAE 2005
   3) Effective hybrid simulation tool to implement acoustic lightweight strategies, Méthodes expérimentales en acoustique des Transports
   A.Duval et al, Guyancourt, 2005
    
2. Microflowns used in modal analysis:
   Impact of test data uncertainties on modal models extracted from multi-patch vibration tests,
   A.Vecchio, L.Valent, L.Bregant, INCE 2005
   
   
3. Microflown based sound intensity performs well:
   1) A Comparison of two different sound intensity measurement principles,
   F. Jacobsen, HE de Bree, accepted for JASA, 2005
   2) Intensity based sound power determination under adverse sound field conditions : P-P probes versus P-U probes,
   F. Jacobsen, HE de Bree, Lisabon, 2005
   3) Measurement of sound intensity: p-u probes versus p-p probes,
   F. Jacobsen, HE de Bree, Novem, 2005
    
4. A PU sound intensity probe that can be used at high temperatures:
   A Microflown Based Sound Pressure Microphone Suitable For Harsh Environments,
   Doekle R.Yntema, Hans-Elias de Bree, NOISE-CON 2005
    
5. Microflowns perform better than pressure microphones in PNAH:
   Near Field Acoustic Holography with particle velocity transducers,
   Finn Jacobsen and Yang Liu,  JASA 118(5), November 2005, pp 3139-3144
    
6. Microflowns can be used to determine the reflection coefficient in situ:
   A handheld device to measure the acoustic absorption in situ,
   HE de Bree et al, SNVH, 2008
   Measuring the free field acoustic impedance and absorption coefficient of sound absorbing materials with a combined particle velocity-pressure sensor,
   R. Lanoye et al., JASA May 2006
    
7. Measurements with Microflowns reduce the influence of background noise:
   A particle velocity sensor to measure the sound from a structure in the presence of background noise,
   H-E. de Bree, W.F. Druyvesteyn, Forum Acousticum 2005
   Sound Files(1.3MB)

First paper:

• The Microflown; a novel device measuring acoustical flows,
  H-E. de Bree et al, Sensors and Actuators: A, Physical, volume SNA054/1-3, pp 552-557, 1996

Other general papers:

• Real time sound field visualization in the near field, far field and at absorbing surfaces
  H.-E. De Bree, E. Tijs and T. Basten, Acoustics, 2008
• An overview of Microflown Technologies,
  H-E. de Bree, Acta Acustica, Vol. 89 (2003) 163-172
• The Microflown, an acoustic particle velocity sensor,
  H-E de Bree, Australian Acoustics, Vol. 31, No. 3 pp 91 - 94 (2003)