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Publications

Peer Reviewed Publications: (project researchers in italics):

0.1 Experimental and simulation characterization of flexural vibration modes in unimoph ultrasound transducers.

T.J.R. Eriksson, S.N. Ramadas, S.M.Dixon.

0.2 Experimental evaluation of three designs of electrodynamic flexural transducers

Tobias Eriksson, Michael Laws, Lei Kang, Yichao Fan, Sivaram N. Ramadas, Steve Dixon

0.3 Applied Physics Letters - The electromechanical behaviour of flexural ultrasonic transducers

Steve Dixon, Lei Kang, Michael Ginestier, Christopher Wells, George Rowlands, Andrew Feeney

0.4 Nonlinearity in the dynamic response of flexural ultrasonic transducers (submitted for publication)

 Andrew Feeney, Lei Kang, and Steve Dixon

0.5 The Dynamic Performance of Flexural Ultrasonic Transducers (submitted for publication)

Andrew Feeney, Lei Kang, George Rowlands and Steve Dixon

Thesis/Dissertations:

1.1 Development of Piezoelectric and Electrodynamic Flexural Transducers for Air-coupled Ultrasonics - Tobias Eriksson
1.2 Low frequency Strip Waveguide Array for Flow Measurement in Hostile Environments - Michael Laws

Conference Papers:

2.1 Flexural and robust piezoelectric transducers for air-coupled ultrasound (Asia Pacific Conference on NDT 2013 Mumbai India)

S. N. Ramadas, Tobias Eriksson & S.Dixon

2.2 Metal Cap Flexural Transducers for Air-Coupled Ultrasonics (QNDE 2014, Idaho, USA)

T.J.R. Eriksson, S.Dixon & S.N.Ramadas

2.3 Air-Coupled Flexural Electrodynamic Acoustic Transducers (IEEE 2014 Chicago, USA)

T.J.R. Eriksson, M.Laws, S. Dixon & S.N.Ramadas

2.4 Matching Layers Design for a Plate Waveguide Ultrasonic Transducer for Flow Measurement in Hostile Environments (IEEE 2014)

Laws, Dixon & Ramadas

2.5 Additive manufacture of impedance matching layers for air-coupled ultrasonic transducers (IEEE 2015 IUS Taipei, Taiwan)

S N. Ramadas, M Hunter, JA Thornby, Simon Leigh & S. Dixon

2.6 Versatile air-coupled phased array transducer for sensor applications (IEEE 2015 Sensors, Busan, South Korea)

Alexander Unger, Eric Konetzke, Matthias Rutsch, Maik Hoffmann, Sivaram Nishal Ramadas, Steve Dixon, and Mario Kupnik

2.7 Extending the receive performance of phased micro machined ultrasonic transducer arrays in air down to 40 kHz and below (IEEE IUS 2015)

Matthias Rutsch, Eric Konetzke, Alexander Unger, Maik Hoffmann, Sivaram Nishal Ramadas, Steve Dixon, Mario Kupnik

2.8 Diffraction loss calculation based on boundary element method for an air-coupled phased array (IEEE IUS 2015

Rene Golinske, Maik Hoffmann, Eric Konetzke, Alexander Unger, Matthias Rutsch, Mario Kupnik

2.9 Phased array transducer for emitting 40-kHz air-coupled ultrasound without grating lobes (IEEE 2015 IUS)

Eric Konetzke, Matthias Rutsch, Maik Hoffmann, Alexander Unger, Rene Golinske, Dirk Killat, Sivaram Nishal Ramadas, Steve Dixon, Mario Kupnik

2.10 Flexural transducer arrays for industrial non-contact applications (IEEE 2016, Tours, France)

T.J.R Eriksson, S.N. Ramadas, A. Unger, M. Hoffman, M. Kupnik, S. M. Dixon

2.11 Finite element modelling study to explore the possibilities of ultrasonic gas flow measurement in wet-gas applications (IEEE 2016 Tours, France)

S. N. Ramadas, G. Harvey, A. Tweedie.

2.12 High temperature flexural ultrasonic transducer for non-contact measurement applications ((ISAF/ECAPD/PFM 2016)

S.E.Burrows, S.N.Ramadas, T.J.R. Eriksson, L.Kang, S.M.Dixon, A.Unger, M. Kupnik

2.13 Single-transducer acoustic levitator with equidistant vertical positioning capability (IEEE 2017 Washington DC, USA)

S. Schiewer, H. Wang, A. Unger, S. Nataliya, Mario Kupnik

2.14 Air-coupled 40khz ultrasonic 2D PhasedArray based on a 3D printed wave guide structure (IEEE 2017 Washington DC, USA)

Axel Jäger, Dominik Großkurth , Matthias Rutsch , Alexander Unger, Rene Golinske, Han Wang, Steve Dixon, Klaus Hofmann, Mario Kupnik

2.15 Ultrasonic phased array for sound driftcompensation in gas-flow metering (IEEE 2017 Washington DC, USA)

Axel Jäger, Alexander Unger, Han Wang, Yavor Arnaudov, Lei Kang, Riliang Su, Dave Lines, Sivaram Nishal Ramadas, Steve Dixon, Mario Kupnik

2.16 Two-Dimensional Flexural Ultrasonic Phased Array for Flow Measurement (IEEE 2017 Washington DC, USA)

Lei Kang, Andrew Feeney, Riliang Su, David Lines, Axel Jäger, Han Wang, Yavor Arnaudov, Sivaram Nishal Ramadas, Mario Kupnik, Steve Dixon

2.17 Coded Excitation for Air-Coupled Ultrasound Phased Arrays (56th Annual BCNDT, Telford, UK)

Riliang Su, David Lines, Yavor Arnaudov, Lei Kang, Axel Jäger, Han Wang, Sivaram Nishal Ramadas, Mario Kupnik, Steve Dixon

2.18 CMUT Design Equations for optimizing noise figure and Source Pressure (IEEE 2017 Washington DC, USA)

Ira O. Wygaant, Mario Kupnik, and Butrus T. Khuri-Yakub

2.19 Evaluating the influence of 3D-printing parmeters on accoutstic material properties (IEEE 2017 Washington DC, USA)

Ira O. Wygaant, Mario Kupnik, and Butrus T. Khuri-Yakub

2.20 Effect of transducer port cavities in invasive ultrasonic transit-time gas flowmeters (IEEE 2015, Taipei, Taiwan)

Maik Hoffmann, Alexander Unger, Axel Jäger, Mario Kupnik