Ultrasonic Tomography of Immersion Circular Array by Hyperbola Algorithm
Abstrak: This paper presents a
development and research of a non-invasive ultrasonic tomography for imaging
gas/liquid two-phase flow. Ultrasonic transmitting and receiving are
implemented using a circular array model that consists of 36 transducers.
COMSOL Multiphysics® software is adopted for the simulation of the ultrasonic
propagation in the detecting zone. Various two-phase flows with different gas distributions
are radiated by ultrasonic waves and the reflection mode approach is utilized
for detecting the scattering waves after the generation of fan-shaped beam.
Ultrasonic attenuation and sound speed are both taken into consideration while
reconstructing the two-phase flow images under the inhomogeneous medium
conditions. The inversion procedure of the image reconstruction is realized
using the hyperbola algorithm, which in return demonstrates the feasibility and
validity of the proposed circular array model.
Author: Liu Yang, Chunguang Xu
Journal Code: jptkomputergg150073
