Nick Polydorides

2023

Hybrid Model-Driven Spectroscopic Network for Rapid Retrieval of Turbine Exhaust Temperature

Fu, Y., Zhang, R., Xia, J., Gough, A., Clark, S., Upadhyay, A., Enemali, G., Armstrong, I., Ahmed, I., Pourkashanian, M., Wright, P., Ozanyan, K., Lengden, M., Johnstone, W., Polydorides, N., McCann, H. & Liu, C., 27 Oct 2023, (E-pub ahead of print) In: IEEE Transactions on Instrumentation and Measurement. 72, p. 1-10 1 p., 2531710.

Research output: Contribution to journal › Article › peer-review

Open Access

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Fast heat transfer simulation for laser powder bed fusion

Li, X. & Polydorides, N., 1 Jul 2023, In: Computer Methods in Applied Mechanics and Engineering. 412, 116107.

Research output: Contribution to journal › Article › peer-review

Open Access

File

Towards continuous EIT monitoring for hemorrhagic stroke patients

Ouypornkochagorn, T., Polydorides, N. & McCann, H., 5 Apr 2023, (E-pub ahead of print) In: Frontiers in physiology. 14, 1157371.

Research output: Contribution to journal › Article › peer-review

Open Access

File

2022

Tomographic imaging of carbon dioxide in the exhaust plume of large commercial aero-engines

Upadhyay, A., Lengden, M., Enemali, G., Stewart, G., Johnstone, W., Wilson, D., Humphries, G., Benoy, T., Black, J., Chighine, A., Fisher, E., Zhang, R., Liu, C., Polydorides, N., Tsekenis, A., Wright, P., Kliment, J., Nilsson, J., Feng, Y., Archilla, V., & 10 othersRodríguez-Carmona, J., Sánchez-Valdepeñas, J., Beltran, M., Polo, V., Armstrong, I., Mauchline, I., Walsh, D., Johnson, M., Bauldreay, J. & McCann, H., 29 Nov 2022, In: Applied optics. 61, 28, p. 8540 8552 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Time-efficient Surrogate Models of Thermal Modeling in Laser Powder Bed Fusion

Li, X. & Polydorides, N., Nov 2022, In: Additive Manufacturing. 59, 103122.

Research output: Contribution to journal › Article › peer-review

Open Access

File

Uncertainty Quantification in 3D Imaging of Atmospheric Dispersion Processes with Dial

Lung, R. & Polydorides, N., 15 Apr 2022.

Research output: Contribution to conference › Other

File

Absorption Based Optical Imaging of Dispersion Processes

Lung, R. & Polydorides, N., 23 Mar 2022. 12 p.

Research output: Contribution to conference › Other

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Scalp-mounted Electrical Impedance Tomography of Cerebral Hemodynamics

Ouypornkochagorn, T., Terzija, N., Wright, P., Davidson, J. L., Polydorides, N. & McCann, H., 1 Mar 2022, In: IEEE Sensors Journal. 22, 5, p. 4569-4580 12 p.

Research output: Contribution to journal › Article › peer-review

Open Access

File

2021

A Reduced Gaussian Process Heat Emulator for Laser Powder Bed Fusion

Li, X. & Polydorides, N., 1 Nov 2021, Proceedings of the Changeable, Agile, Reconﬁgurable and Virtual Production Conference and the World Mass Customization & Personalization Conference: Towards Sustainable Customization: Bridging Smart Products and Manufacturing Systems. SpringerLink, p. 285-293 (Lecture Notes in Mechanical Engineering).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

File

Low Variance Sketched Finite Elements for Elliptic Equations

Polydorides, N. & Lung, R., 2 Oct 2021.

Research output: Contribution to conference › Abstract › peer-review

2020

A Multilevel Monte Carlo Estimator for Matrix Multiplication

Wu, Y. & Polydorides, N., 15 Sept 2020, In: SIAM Journal on Scientific Computing. 42, 5, p. A2731-A2749 19 p.

Research output: Contribution to journal › Article › peer-review

Open Access

File

Recent progress in the development of a chemical species tomographic imaging system to measure carbon dioxide emissions from large-scale commercial aero-engines

Lengden, M., Stewart, G., Johnstone, W., Upadhyay, A., Wilson, D., Polydorides, N., McCann, H., Liu, C., Enemali, G., Tsekenis, A., Wright, P., Kliment, J., Archilla, V., Velasco, J., Sánchez-Valdepeñas, J., Beltran, M., Polo, V., Armstrong, I. & Mauchline, I., 22 Jun 2020, Applied Industrial Spectroscopy, AIS 2020. OSA - The Optical Society, JM2F.3. (Optics InfoBase Conference Papers).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

A sketched finite element method for elliptic models

Lung, R., Wu, Y., Kamilis, D. & Polydorides, N., 1 Jun 2020, In: Computer Methods in Applied Mechanics and Engineering. 364, 20 p., 112933.

Research output: Contribution to journal › Article › peer-review

Open Access

File

A Quasi-Parallel DAQ Scheme for Wavelength Modulation Spectroscopy Tomography

Enemali, G., Liu, C., Polydorides, N. & Mccann, H., 27 Feb 2020, 2019 IEEE International Conference on Imaging Systems and Techniques (IST). Institute of Electrical and Electronics Engineers, 19410515

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

A Custom, High-Channel-Count Data Acquisition System for Chemical Species Tomography of Aero-Jet Engine Exhaust Plumes

Fisher, E., Tsekenis, S., Yang, Y., Chighine, A., Liu, C., Polydorides, N., Wright, P., Kliment, J., Ozanyan, K., Benoy, T., Humphries, G., Wilson, D., Lengden, M., Johnstone, W. & McCann, H., Feb 2020, In: IEEE Transactions on Instrumentation and Measurement. 69, 2, p. 549 - 558 16 p.

Research output: Contribution to journal › Article › peer-review

Open Access

File

2019

Focus on Recent Advances in Electrical Impedance Tomography

Bayford, R. & Polydorides, N., 31 Oct 2019, In: Physiological Measurement. 40, 10, 100401.

Research output: Contribution to journal › Editorial › peer-review

Open Access

File

Spectral X-ray CT for fast NDT using discrete tomography

Kamilis, D., Polydorides, N., Lee, S. & Desjardins, J., 11 Sept 2019.

Research output: Contribution to conference › Paper › peer-review

Open Access

File

Spectral imaging for nuclear element detection

Kamilis, D. & Polydorides, N., 15 Apr 2019.

Research output: Contribution to conference › Poster

Open Access

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Towards Customized Spatial Resolution in TDLAS Tomography

Liu, C., Tsekenis, S., Polydorides, N. & McCann, H., 1 Mar 2019, In: IEEE Sensors Journal. 19, 5, p. 1748-1755

Research output: Contribution to journal › Article › peer-review

Open Access

File

2018

Uncertainty Quantification for Low-Frequency, Time-Harmonic Maxwell Equations with Stochastic Conductivity Models

Kamilis, D. & Polydorides, N., 2 Oct 2018, In: SIAM/ASA Journal on Uncertainty Quantification. 6, 4, p. 1295–1334 40 p.

Research output: Contribution to journal › Article › peer-review

Open Access

File

Analog-Signal Quality Characterization of the FLITES Distributed 192-Channel Data Acquisition System

Fisher, E., Yang, Y., Tsekenis, S., Polydorides, N., Liu, C., McCann, H. & Wright, P., Sept 2018, PROCEEDINGS OF THE 9TH WORLD CONGRESS ON INDUSTRIAL PROCESS TOMOGRAPHY. Bath, UK: International Society for Industrial Process Tomography, p. 515-526 12 p.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Open Access

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An embedded processing design for 192-channel 10-40 MS/s aero-engine optical tomography: Progress and continued DAQ characterisation

Fisher, E., Tsekenis, S. A., Yang, Y., Chighine, A., Polydorides, N., McCann, H., Wright, P., Ozanyan, K., Wilson, D., Lengden, M. & Johnstone, W., 10 Jul 2018, I2MTC 2018 - 2018 IEEE International Instrumentation and Measurement Technology Conference: Discovering New Horizons in Instrumentation and Measurement, Proceedings. Institute of Electrical and Electronics Engineers, p. 1-6 6 p.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Finite element modelling and image reconstruction for Lorentz force electrical impedance tomography

Polydorides, N., 25 Apr 2018, In: Physiological Measurement. 16 p.

Research output: Contribution to journal › Article › peer-review

Open Access

File

Constrained models for optical absorption tomography

Polydorides, N., Tsekenis, S., Fisher, E., Chighine, A., McCann, H., Dimiccoli, L., Wright, P., Lengden, M., Benoy, T., Wilson, D., Humphries, G. & Johnstone, W., 1 Mar 2018, In: Applied optics. 57, 7, p. B1-B9

Research output: Contribution to journal › Article › peer-review

Open Access

File

Customization of the Spatial Resolution in Chemical Species Tomography

Liu, C., Tsekenis, S., Polydorides, N. & McCann, H., 2018.

Research output: Contribution to conference › Paper › peer-review

2017

Towards parallel, 192 channel, 40MS/s/ch data acquisition for optical tomography: A system for aero-engine exhaust emission diagnostics

Fisher, E., Tsekenis, S-A., Yang, Y., Ouypornkochagorn, T., Chighine, A., Polydorides, N., Wright, P. & McCann, H., 21 Dec 2017, IEEE SENSORS 2017 - Conference Proceedings. Institute of Electrical and Electronics Engineers, Vol. 2017-December. p. 1302-1304 3 p. (IEEE Sensors).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Optical access schemes for high speed and spatial resolution optical absorption tomography in energy engineering

Tsekenis, S. & Polydorides, N., 14 Jun 2017, (E-pub ahead of print) In: IEEE Sensors Journal.

Research output: Contribution to journal › Article › peer-review

Open Access

File

Optical Absorption Tomography for Carbon Dioxide Concentration Imaging

Polydorides, N., Fisher, E., Tsekenis, S., Dimiccoli, L. & McCann, H., 1 Feb 2017, Optical Absorption Tomography for Carbon Dioxide Concentration Imaging.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

File

Real-time temperature field measurement based on acoustic tomography

Bao, Y., Jia, J. & Polydorides, N., 2017, In: Measurement Science and Technology.

Research output: Contribution to journal › Article › peer-review

Open Access

File

Towards the development of non-invasive measures of breast cancer risk: image analysis of digital breast tomosynthesis mammograms and tissue lobule content.

Figueroa, J., Gray, C., Papanastasiou, G., Gonzalez- Castro, V., Polydorides, N., Evans, A. & Vinnicombe, S., 2017.

Research output: Contribution to conference › Paper › peer-review

2016

An efficient approach for limited-data chemical species tomography and its error bounds

Polydorides, N., Tsekenis, S. A., McCann, H., Prat, V. -D. A. & Wright, P., 31 Mar 2016, In: Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences. 472, 2187, 17 p., 20150875.

Research output: Contribution to journal › Article › peer-review

Open Access

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TDLAS using FPGA-based lock-in detection for multi-channel Chemical Species Tomography

Chighine, A., Tsekenis, S. A., Fisher, E., Polydorides, N., Wilson, D., Lengden, M., Johnstone, W. & McCann, H., 7 Jan 2016, (E-pub ahead of print) 2015 IEEE SENSORS. Institute of Electrical and Electronics Engineers, 7370677

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Open Access

File

Simulation study of furnace temperature field reconstruction based on acoustic tomography

Bao, Y., Jia, J. & Polydorides, N., 2016.

Research output: Contribution to conference › Paper › peer-review

Open Access

File

2015

Exploiting carbon nanotube networks for damage assessment of fibre reinforced composites

Baltopoulos, A., Polydorides, N., Pambaguian, L., Vavouliotis, A. & Kostopoulos, V., 1 Jul 2015, In: Composites part b-Engineering. 76, p. 149–158

Research output: Contribution to journal › Article › peer-review

Open Access

File

Progress towards non-intrusive optical measurement of gas turbine exhaust species distributions

Wright, P., McCormick, D., Ozanyan, K., Johnson, M., Black, J., Fisher, E., Chighine, A., Polydorides, N., McCann, H., Feng, Y., Khan, K., Bastock, P., Jia, F., Hewak, D., Nilsson, J., Lengden, M., Wilson, D., Armstrong, I., Benoy, T. & Johnstone, W., 1 Jan 2015, 2015 IEEE Aerospace Conference, AERO 2015. Institute of Electrical and Electronics Engineers, Vol. 2015-June. 7119019

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

An approximate gradient for fast nonlinear inversion of the EIT model

Polydorides, N., Ouypornkochagorn, T. & McCann, H., 2015, 16th International Conference on Biomedical Applications of Electrical Impedance Tomography. 1 p.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Open Access

File

Electrical Impedance Measurement of Cerebral Haemodynamics

Ouypornkochagorn, T., McCann, H., Terzija, N., Parry-Jones, A. & Polydorides, N., 2015, Proceedings of the 16th International Conference on biomedical applications of EIT. 1 p.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Open Access

File

Tackling Modelling Error in the Application of Electrical Impedance Tomography to the Head

Ouypornkochagorn, T., McCann, H. & Polydorides, N., 2015, 37th Annual International Conference of the IEEE Engineering in medicine and biology society. 4 p.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Open Access

File

2014

Marine Electrical Sensing for Detecting Small Inhomogeneities

Polydorides, N. & Delbary, F., 1 Sept 2014, In: IEEE Transactions on Geoscience and Remote Sensing. 53, 2, p. 988-1000

Research output: Contribution to journal › Article › peer-review

Open Access

File

2013

Damage identification in carbon fiber reinforced polymer plates using electrical resistance tomography mapping

Baltopoulos, A., Polydorides, N., Pambaguian, L., Vavouliotis, A. & Kostopoulos, V., 2013, In: Journal of Composite Materials. 47, 26, p. 3285-3301

Research output: Contribution to journal › Article › peer-review

2012

2009

Ocean current prediction in towed cable hydrodynamics under dynamic steering

Polydorides, N., Storteig, E. & Lionheart, W., 2009, In: Inverse problems in science and engineering. 17, 5, p. 627-645 19 p., 908331081.

Research output: Contribution to journal › Article › peer-review

The linearization error in electrical impedance tomography

Polydorides, N., 2009, In: Progress in Electromagnetic Research. 93, p. 323-337

Research output: Contribution to journal › Article › peer-review

2008

Forward and inverse problems in towed cable hydrodynamics

Polydorides, N., Storteig, E. & Lionheart, W., Oct 2008, In: Ocean Engineering. 35, 14-15, p. 1429-1438 10 p.

Research output: Contribution to journal › Article › peer-review

Nick Polydorides

Research output

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