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GUEDRA Matthieu

Postdoctoral fellow

 

 

Research

 

- Nonlinear bubble dynamics and acoustic cavitation under dual-frequency acoustic excitation (Postdoc - LabTau U1032 INSERM)

- Linear propagation of acoustic waves in suspensions of encapsulated liquid nanoparticles - Vaporization of encapsulated droplets initiated by acoustic oscillations (Postdoc - Institut Jean le Rond d'Alembert, Paris 6 University)

- Self-sustained thermoacoustic oscillators. Onset conditions, characterization and transient oscillations. (Phd - Le Mans University)


 

Education

2012: PhD thesis in Acoustics, Laboratory of Acoustics of the University of Le Mans (LAUM), UMR CNRS 6613.

2009: M. Sc. in Mechanical and Acoustical Engineering, University of Le Mans (Le Mans, France)

2007: B. Sc. in Matter and Material Science, University of Reims Champagne-Ardenne, Reims, France

 

Publications

(2015) M. Guédra, F.C. Bannwart, G. Penelet and P. Lotton. Parameter estimation for the characterization of thermoacoustic stacks and regenerators. Appl. Therm. Eng., 80:229-237 \url{http://dx.doi.org/10.1016/j.applthermaleng.2015.01.058}

(2014) M. Guédra, T. Valier-Brasier, J.-M. Conoir, F. Coulouvrat, K. Astafyeva and J.-L. Thomas. Influence of shell compressibility on the ultrasonic properties of polydispersed suspensions of nanometric encapsulated droplets. J. Acoust. Soc. Am., 135:1044-1055 \url{http://dx.doi.org/10.1121/1.4864784}

(2014) M. Guédra, G. Penelet and P. Lotton. Experimental and theoretical study of a standing wave thermoacoustic engine above onset of self-oscillations. J. Appl. Phys., 115:024504 \url{http://dx.doi.org/10.1063/1.4861879}

(2012) G. Penelet, M. Guédra, V. Gusev and T. Devaux. Simplified account of Rayleigh streaming for the description of nonlinear processes leading to steady state sound in thermoacoustic engines. Int. J. Heat Mass Transfer, 55:6042-6053 \url{http://dx.doi.org/10.1016/j.ijheatmasstransfer.2012.06.015}

(2012) M. Guédra and G. Penelet. On the use of a complex frequency for the description of thermoacoustic engines. Acust. Acta Acust., 98:232-241 \url{http://www.ingentaconnect.com/content/dav/aaua/2012/00000098/00000002/art00004}

(2011) M. Guédra, G. Penelet, P. Lotton and J.-P. Dalmont. Theoretical prediction of the onset of thermoacoustic instability from the experimental transfer matrix of a thermoacoustic core. J. Acoust. Soc. Am., 130:145-152 \url{http://dx.doi.org/10.1121/1.3592227}