Title :
Sound speed and attenuation of plane acoustic waves in a sandy sediment
Author :
Tongxu Li ; Xiaomin Zhang ; Yang Yu
Author_Institution :
Coll. of Marine, Northwestern Polytech. Univ., Xi´an, China
Abstract :
During the sediment acoustic experiment SAX99, several researchers measued sound speed and attenuation. Together, the measurements span the frequency range of about 125Hz ~ 400kHz. In this paper, in order to establish the acoustic attenuation model of buried mines, the experimental data of sediment acoustic experiment (SAX99) have been cited, sound speed and acoustic attenuation of Biot-Stoll model, Buckingham model and BICSQS model in a sandy sediment have been analyzed. The results show that, sound speed and attenuation of three prediction models have different matching characteristics with experimental data. In the frequency range of 125Hz~400kHz, the sound speed of Biot-Stoll model matches well with the experimental data; in the frequency range of 2.6kHz~50kHz, the attenuation of Biot-Stoll model matches well with the experimental data.; in the frequency range of 50kHz~400kHz, the attenuation of BICSQS model and Buckingham model match well with the experimental data.
Keywords :
acoustic wave absorption; sediments; underwater acoustic communication; BICSQS model; Biot-Stoll model; Buckingham model; SAX99 sediment acoustic experiment; acoustic attenuation; frequency 125 Hz to 400 kHz; measurements span; plane acoustic waves; sandy sediment; sound attenuation; sound speed; Acoustics; Attenuation; Biological system modeling; Data models; Fluids; Predictive models; Sediments; Acoustic waves; attenuation; buried mines; sediment;
Conference_Titel :
Signal Processing, Communication and Computing (ICSPCC), 2013 IEEE International Conference on
Conference_Location :
KunMing
DOI :
10.1109/ICSPCC.2013.6663963
