J
Jie Zhang
Researcher at University of Bristol
Publications - 82
Citations - 1722
Jie Zhang is an academic researcher from University of Bristol. The author has contributed to research in topics: Ultrasonic sensor & Scattering. The author has an hindex of 18, co-authored 79 publications receiving 1245 citations. Previous affiliations of Jie Zhang include Beijing University of Posts and Telecommunications.
Papers
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Defect detection using ultrasonic arrays: The multi-mode total focusing method
TL;DR: In this article, a general imaging methodology, termed multi-mode total focusing method, is proposed in which any combination of modes and reflections can be used to produce an image of the test structure.
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Defect characterization using an ultrasonic array to measure the scattering coefficient matrix
TL;DR: It is demonstrated how measurement of the scattering coefficient matrix of a cracklike defect can be used to obtain its size, shape, and orientation.
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Observation of orbital angular momentum transfer from bessel-shaped acoustic vortices to diphasic liquid-microparticle mixtures.
TL;DR: Three regimes of orbital angular momentum (OAM) transfer from two-dimensional Bessel-shaped acoustic vortices to matter are observed from a homogeneous diphasic mixture of microparticles and water.
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Monitoring of lubricant film failure in a ball bearing using ultrasound
TL;DR: In this article, a high-firequency (50 MHz) ultrasonic transducer is mounted on the static outer raceway of a bearing to measure the reflection coefficient of the lubricant in the "contact" ellipse between bearing components.
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The Use of Ultrasonic Arrays to Characterize Crack-Like Defects
TL;DR: In this article, two approaches are considered for extracting the key parameters of crack length and orientation angle from a high-resolution image using a hybrid model combining a ray-based propagation model with scattering matrices to describe wave interaction with a defect.