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Guillaume Brès

 

Ultrasonically absorptive coatings

for hypersonic laminar flow control

 

Computational Flow Physics Group

 

California Institute of Technology

 

 

This new project investigates the use of ultrasonically absorptive coating (UAC) to delay laminar-turbulent transition of the boundary layer in hypersonic flow. This laminar flow control technology can greatly reduce heat transfer rates and in turn, reduce the weight and complexity of thermal protection systems for the next generation of aerospace transportation.

 

 

 

 

For more details, please go to

http://hermite.caltech.edu/CFPG/UAC.htm

 

 

 

CONFERENCES & PUBLICATIONS:

- AFOSR Annual Meeting, Long Beach, CA (August 2007)

- 2nd Southern California Symposium on Flow Physics, Westwood, CA (April 2008)

 

Alternate Designs of Ultrasonic Absorptive Coatings for Hypersonic Boundary Layer Control
G. A. Brès, M. Inkman, T. Colonius & A. Fedorov

AIAA paper 2009-4217, 39th AIAA Fluid Dynamic Conference, San Antonio, TX (Juin 2009)

 

Acoustic Properties of Porous Coatings for Hypersonic Boundary Layer Control
G. A. Brès, T. Colonius & A. Fedorov

In print in AIAA Journal, 2009

 

Stability of Temporally Evolving Supersonic Boundary Layers over Micro-Cavities for Ultrasonic Absorptive Coatings
G. A. Brès, T. Colonius & A. Fedorov
AIAA paper 2008-4337, 5th AIAA Theoretical Fluid Mechanics Conference, Seattle, WA (Juin 2008)

 

Interaction of Acoustic Disturbances with Micro-Cavities for Ultrasonic Absorptive Coatings
G. A. Brès, T. Colonius & A. Fedorov
AIAA paper 2008-3903, 5th AIAA Theoretical Fluid Mechanics Conference, Seattle, WA (Juin 2008)

 

 

 

 

 

 

 

Last update: September 2009

   

©2004-2010 Guillaume Brès