Ultrasonic measurements of the two characteristic lengths in fibrous materials

Applied Acoustics

Volumn 68, Issue 11-12, 2007, Pages 1427-1438

  Kino, Naoki ^a  

^a Shizuoka Industrial Research Institute of Shizuoka Prefecture   (Japan)

Author keywords

Thermal characteristic length; Tortuosity; Viscous characteristic length

Indexed keywords

ACOUSTIC WAVE VELOCITY; HELIUM; SIGNAL TO NOISE RATIO; ULTRASONIC MEASUREMENT; VISCOUS FLOW;

FIBROUS MATERIALS; THERMAL CHARACTERISTIC LENGTH; TORTUOSITY; VISCOUS CHARACTERISTIC LENGTH;

FOAMED PLASTICS;

EID: 34548840261     PISSN: 0003682X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.apacoust.2006.07.007     Document Type: Article

References (6)

1. Leclaire Ph., Keiders L., and Lauriks W. Determination of the viscous and thermal characteristic lengths of plastic foams by ultrasonic measurements in helium and air. J Appl Phys 80 (1996) 2009-2012
2. Nagy P.B., Adler L., and Bonner B.P. Slow wave propagation in air-filled porous materials and natural rocks. Appl Phys Lett 56 (1990) 2504-2506
3. Nagy P.B. Slow wave propagation in air-filled permeable solids. J Acoust Soc Am 93 (1993) 3224-3234
4. Gray D.E. (coordinating editor). American Institute of Physics Handbook (1972), McGraw-Hill, New York
5. Kaye G.W.C., and Laby T.H. Tables of physical and chemical constants and some mathematical functions. 14th ed. (1973), Longman Group Limited, London
6. ISO 9053:1991. Acoustics - materials for acoustical applications - determination of airflow resistance.