Dr Andrei Ermakov

    Electronic Engineering

    Biography

    Dr. Andrei Ermakov earned his PhD in 2020 from the University of Southern Queensland, Australia, with a focus on the Development of Rigorous Methods in Fluid Mechanics and Theory of Water Waves. He also holds a Candidate of Science degree (2011) and a Master's degree (2009) in Mechanical Engineering from Saint Petersburg State University, as well as a Bachelor's degree (2007) in Marine Engineering & Applied Mathematics from Saint Petersburg State Marine Technical University, Russian Federation.
     
    In January 2020, Andrei joined the Centre for Ocean Energy Research (COER) at NUI Maynooth as a postdoctoral researcher, contributing to the LiftWEC project supported by Horizon 2020, the EU's research and innovation funding programme. The LiftWEC project focuses on the development of a novel type of wave energy converters (WECs) that harness ocean wave energy using rotating hydrofoils in a Cyclorotor (horizontal cycloidal rotor).
     
    Following the successful completion of the LiftWEC project in 2023, Andrei secured independent funding to further advance cyclorotor WECs. His new initiative, "MaxRotorWEC," is partially funded by a research grant from Science Foundation Ireland and the Sustainable Energy Authority of Ireland under the SFI-IRC Pathway Programme. Additionally, he serves as an external lecturer in the Department of Electronic Engineering at Maynooth University.

    Research Projects

    Title Role Description Start date End date Amount
    Maximising the power capture from cyclorotor wave energy converters (MaxRotorWEC) PI Ireland has one of the largest resources of ocean wave energy on the planet; however, the optimal method for the conversion of wave energy into electrical power has yet to be identified. The aim of the MaxRotorWEC project is to provide technical and economic solutions to the existing problems faced in the design of a radically new wave energy converter (WEC) concept that exploits hydrodynamic lift forces and can bring wave energy to commercial fruition. The proposed research is dedicated to the control design for a new and innovative type of wave energy converter which extracts ocean wave energy using a horizontal cyclorotor. The most recent experimental and numerical simulations have shown that this innovative type of WEC can be 40% more efficient than more traditional WECs, however the optimal design and real time control method for cyclorotor-type WECs still needs to be derived. The project will support the development of the control methods for the proposed new technology, focusing on demonstrating its commercial viability and strengthening Irish leadership in wave energy. This requires financial assessment, mathematical modelling and engineering optimisation of the concept in order to minimise the levelised cost of produced electrical energy (LCoE). A linearised mathematical model for the cyclorotor, new estimators and predictors for relative foil-fluid velocity will be developed. Cyclorotor-based WEC farms near the Irish coast will be modelled and performance assessed. The solution of the cyclorotor control problems will be beneficial for vertical H-Dareus wind turbines, tidal turbines, cyclocopters, and Voith Schneider type propellers. 01/12/2023 30/11/2027 535699

    Book Chapter

    Year Publication
    2013 Ermakov, A.M.; (2013) 'Numerical and analytical modeling of the stability of the cylindrical shell under the axial compression with the use of the non-classical theories of shells' In: Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). Berlin Heidelberg : Springer. [Link] [DOI]
    2011 Bauer, S.M.; Ermakov, A.M.; Kashtanova, S.V.; Morozov, N.F.; (2011) 'Evaluation of the mechanical parameters of nanotubes by means of nonclassical theories of shells' In: Shell-like Structures Non-classical Theories and Applications. Berlin Heidelberg : Springer-Verlag. [Link] [DOI]

    Peer Reviewed Journal

    Year Publication
    2024 Arredondo-Galeana, A.; Ermakov, A.; Shi, W.; Ringwood, J.V.; Brennan, F. (2024) 'Optimal control of wave cycloidal rotors with passively morphing foils: An analytical and numerical study'. Marine Structures, 95 . [Link] [DOI] [Full-Text]
    2023 Ermakov A.; Thiebaut F.; Payne G. S.; Rinwood J.V. (2023) 'Validation of a control-oriented point vortex model for a cyclorotor-based wave energy device'. Journal of Fluids and Structures, 119 . [Link] [DOI] [Full-Text]
    2022 Ermakov A.; Marie A.; Ringwood J. (2022) 'Some fundamental results for cyclorotor wave energy converters for optimum power capture'. IEEE Transactions on Sustainable Energy, 13 (3):1869-1872. [Link] [DOI] [Full-Text]
    2022 Ermakov A.; Marie A.; Ringwood J. (2022) 'Optimal control of pitch and rotational velocity for a cyclorotor wave energy device'. IEEE Transactions on Sustainable Energy, 13 (3):1631-1640. [Link] [DOI] [Full-Text]
    2022 Andrei Ermakov; John V. Ringwood (2022) 'A validated analytical model for a cyclorotor wave energy device'. International Marine Energy Journal, 5 (2):201-208. [Link] [DOI] [Full-Text]
    2021 Ermakov A.; Ringwood J.V. (2021) 'A control-orientated analytical model for a cyclorotor wave energy device with N hydrofoils'. Journal Of Ocean Engineering And Marine Energy, . [DOI] [Full-Text]
    2021 Andrei Ermakov, John V. Ringwood (2021) 'Rotors for Wave Energy Conversion – Practice and Possibilities'. IET Renewable Power Generation, . [DOI] [Full-Text]
    2021 Ermakov, A (2021) 'Development of rigorous methods in fluid mechanics and theory of water waves'. Bulletin of the Australian Mathematical Society, 103 :350-352. [DOI] [Full-Text]
    2021 Ermakov A.M.; Stepanyants Y.A. (2021) 'Description of Nonlinear Vortical Flows of Incompressible Fluid in Terms of a Quasi-Potential'. Physics, 3 (4):799-813. [Link] [DOI] [Full-Text]
    2020 Ermakov A.M.; Stepanyants Y.A. (2020) 'Transformation of Long Surface and Tsunami-Like Waves in the Ocean with a Variable Bathymetry'. Pure and Applied Geophysics, 177 (3):1675-1693. [DOI] [Full-Text]
    2019 Ermakov A.; Stepanyants Y. (2019) 'Soliton interaction with external forcing within the Korteweg-de Vries equation'. Chaos, 29 (1). [DOI] [Full-Text]
    2017 Churilov S.; Ermakov A.; Stepanyants Y. (2017) 'Wave scattering in spatially inhomogeneous currents'. PHYSICAL REVIEW D  , 96 (6). [DOI] [Full-Text]
    2017 Churilov S.; Ermakov A.; Rousseaux G.; Stepanyants Y. (2017) 'Scattering of long water waves in a canal with rapidly varying cross-section in the presence of a current'. Physical Review Fluids, 2 (9). [DOI] [Full-Text]
    2011 Bauer S.; Ermakov A.; Kashtanova S.; Morozov N. (2011) 'Application of nonclassical models of shell theory to study mechanical parameters of multilayer nanotubes'. Vestnik St. Petersburg University: Mathematics, 44 (1):13-20. [DOI] [Full-Text]

    Conference Publication

    Year Publication
    2023 Andrei Ermakov; Florent Thiebaut; John Ringwood (2023) Proceedings of the European Wave and Tidal Energy Conference Experimental evaluation of phase and velocity control for a cyclorotor wave energy converter Bilbao, Spain, 02/09/2023- 08/09/2023 [DOI] [Full-Text]
    2023 Ermakov, A.; Thiebaut, F.; Payne, G.S.; Ringwood, J.V. (2023) OCEANS 2023 - Limerick, OCEANS Limerick 2023 Analytical study of pre-stall hydrofoil experimental data for a cyclorotor-based wave energy converter [Link] [DOI]
    2022 Ringwood J.V.; Ermakov A. (2022) Proceedings of the 41st International Conference on Offshore Mechanics and Arctic Engineering - OMAE Energy-Maximising Control Philosophy for a Cyclorotor Wave Energy Device Hamburg, Germany, 05/06/2022- 10/06/2022 [Link] [DOI]
    2021 Arredondo-Galeana, A.; Shi, W.; Olbert, G.; Scharf, M.; Ermakov, A.; Ringwood, J.V.; Brennan, F.; (2021) Proceedings of the European Wave and Tidal Energy Conference A methodology for the structural design of LiftWEC: A wave-bladed cyclorotor [Full-Text]
    2021 Ermakov, A.; Ringwood, J.V.; (2021) Proceedings of the European Wave and Tidal Energy Conference Development of an analytical model for a cyclorotor wave energy device [Full-Text]
    2018 Ermakov, A.M.; Stepanyants, Y.A.; (2018) Proceedings of the 21st Australasian Fluid Mechanics Conference, AFMC 2018 Interaction of Kortewegâ-de Vries solitons with external sources [Full-Text]
    2018 Bauer S.; Kashtanova S.; Morozov N.; Ermakov A. (2018) Shell Structures: Theory and Applications Volume 4 - Proceedings of the 11th International Conference on Shell Structures: Theory and Applications, SSTA 2017 Local stability of a plate with a circular inclusion under tensile stress [DOI]
    2016 Ermakov, A.M. and Stepanyants, Y.A. (2016) Proceedings of the 20th Australasian Fluid Mechanics Conference, AFMC 2016 Description of vortical flows of incompressible fluid in terms of quasi-potential function [Link] [Full-Text]
    2011 Bauer, S.M. and Ermakov, A.M. and Kashtanova, S.V. and Morozov, N.F. (2011) ECCOMAS Thematic Conference - COMPDYN 2011: 3rd International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering: An IACM Special Interest Conference, Programme Nonclassical models in the shell theory with applications to multilayered nanotubes [Link] [Full-Text]

    Thesis

    Year Publication
    2019 (2019) Doctor of Philosophy (PhD) thesis: Development of rigorous methods in fluid mechanics and theory of water waves. [Thesis] [DOI] [Full-Text]
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