Porous material characterization - Ultrasonic method for estimation of tortuosity and characteristic length using a barometric chamber

Ultrasonics

Volumn 39, Issue 3, 2001, Pages 195-202

  Moussatov, Alexei ^a   Ayrault, Christophe ^a   Castagnède, Bernard ^a  

^a UNIVERSITÉ DU MAINE   (France)

Author keywords

Absorption; Equivalent fluid model; Porous material; Thermal characteristic length; Tortuosity; Transmission; Ultrasonic refractive index; Ultrasound; Viscous characteristic length

Indexed keywords

BAROMETERS; GRANULAR MATERIALS; POROUS MATERIALS; PRESSURE MEASUREMENT; REFRACTIVE INDEX; ULTRASONIC SCATTERING; VISCOSITY;

TORTUOSITY;

ULTRASONIC MEASUREMENT;

EID: 0035312859     PISSN: 0041624X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0041-624X(00)00062-7     Document Type: Article

References (13)

1. The theory of propagation of elastic waves in a fluid-saturated porous solid. I. Low frequency range. II. Higher frequency range
2. Theory of dynamic permeability and tortuosity in fluid-saturated porous media
3. Dynamic tortuosity and bulk modulus in air-saturated porous media
4. Dynamic compressibility of air in porous structures at audible frequencies
5. Evaluation of the viscous characteristic length of air-saturated porous materials from the ultrasonic dispersion curve
6. Determination of the viscous and thermal characteristic lengths of plastic foams by ultrasonic measurements in helium and air
7. Ultrasonic characterization of plastic foams via measurements with static pressure variation
8. Improved material characterization by pressure-dependent ultrasonic attenuation in air-filled permeable solids
9. Acoustic waves in a random media. I - Weak disorder regime
10. Sound propagation in air-saturated random packing of beads
11. Transport parameters and sound propagation in air-saturated sand