Lorna Fitzsimons

Dr.

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Dr. Lorna Fitzsimons Dr. Lorna Fitzsimons is an Assistant Professor in the School of Mechanical and Manufacturing Engineering in DCU. Research expertise and interests include thermodynamics and exergy analysis; energy auditing, modelling and benchmarking; the water-energy nexus (desalination, water and wastewater treatment), control and automation for energy efficiency; and LCA. Currently, she is a funded investigator on the SFI NEXSYS project focusing on next generation energy systems, and CRT-AI and ML Labs projects focusing on the application of ML and AI to complex energy systems. She has coordinated and delivered two EPA funded projects which audited, benchmarked and modelled the energy and resource efficiency of Irish wastewater treatment plants: Increasing the Resource Efficiency of Irish Wastewater treatment Plants and Optimal design and operation of small-scale wastewater treatment plants. Successfully completed SFI and EU projects on the energy-water nexus include: ESIPP, SALTGAE and , and ALICE. Her PhD was in the area of semiconductor manufacturing energy efficiency, and the application of exergy analysis to Ultra-pure water treatment plants.

Book Chapter

Year Publication
2021 Fitzsimons, L. (2021) 'Life Cycle Analysis and Sustainability of Composite Materials: An Introduction' In: Encyclopedia of Materials Composites. [Link] [DOI]
2021 Fitzsimons, L. (2021) 'Energy Management for Composite Materials Manufacturing: Energy and Exergy Analyses' In: Encyclopedia of Materials Composites. [Link]
2020 Fitzsimons, L.; McNamara, G.; Obeidi, M.; Brabazon, D. (2020) 'The Circular Economy: Additive Manufacturing and Impacts for Materials Processing' In: Encyclopedia of Renewable and Sustainable Materials Volume 1 5. [Link] [DOI]
2019 Lorna Fitzsimons, Greg McNamara, Muhannad Obeidi, Dermot Brabazon (2019) 'The Circular Economy: Additive Manufacturing and Impacts for Materials Processing' In: Encyclopedia of Renewable and Sustainable Materials. Amsterdam, The Netherlands : Elsevier.

Peer Reviewed Journal

Year Publication
2025 Daly, P.; Delgado, A.; Richards, C.; Fitzsimons, L.; Regan, F.; Delauré, Y.M.C. (2025) 'A method of testing biofouling growth over surfaces immersed in natural seawater and exposed to hydrodynamic stresses to mimic conditions over tidal turbines'. Ocean Engineering, 341 . [Link] [DOI]
2024 Nyabadza, A.; Tamil, K.; Khan, L.A.; Kumar, S.S.; Muilwijk, C.; McNamara, G.; O'Toole, K.; Fitzsimons, L.; Brabazon, D. (2024) 'Life cycle assessment of additively manufactured elastocaloric Ni-Ti heat pump/refrigeration components and the effect of design geometry on the environmental impact categories'. RESULTS IN ENGINEERING, 24 . [Link] [DOI]
2024 Nyabadza, A.; Tamil, K.; Monu, M.C.C.; McCarthy, É.; Khan, L.A.; Muilwijk, C.; O'Toole, K.; Fitzsimons, L.; Brabazon, D. (2024) 'Effect of geometry on the coefficient of performance of Ni–Ti elastocaloric parts manufactured via powder bed fusion'. Journal of Materials Research and Technology, 30 . [Link] [DOI]
2022 Abadie, T.; al Ma Awali, S.M.; Brennan, B.; Briciu-Burghina, C.; Tajparast, M.; Passos, T.M.; Durkan, J.; Holland, L.; Lawler, J.; Nolan, K.; Quilty, B.; Fitzsimons, L.; Regan, F.; Delauré, Y. (2022) 'Oxygen transfer of microbubble clouds in aqueous solutions – Application to wastewater'. CHEMICAL ENGINEERING SCIENCE, 257 . [Link] https://doi.org/10.1016/j.ces.2022.117693
2016 Fitzsimons, L.; Horrigan, M.; McNamara, G.; Doherty, E.; Phelan, T.; Corcoran, B.; Delauré, Y.; Clifford, E. (2016) 'Assessing the thermodynamic performance of Irish municipal wastewater treatment plants using exergy analysis: A potential benchmarking approach'. Journal of Cleaner Production, 131 . [Link] [DOI]
2020 Brennan, B.; Briciu-Burghina, C.; Hickey, S.; Abadie, T.; Al Ma Awali, S.M.; Delaure, Y.; Durkan, J.; Holland, L.; Quilty, B.; Tajparast, M.; Pulit, C.; Fitzsimons, L.; Nolan, K.; Regan, F.; Lawler, J. (2020) 'Pilot scale study: First demonstration of hydrophobic membranes for the removal of ammonia molecules from rendering condensate wastewater'. International Journal of Molecular Sciences, 21 . [Link] [DOI]
2020 McNamara, G.; Cairns, M.; Delaure, Y.; Tagnin, A.; Fitzsimons, L. (2020) 'Life cycle cost analysis of desalinating small wastewater flows in the food and beverage industry'. Desalination and Water Treatment, 194 . [DOI]
2017 McNamara, G.; Fitzsimons, L.; Doherty, E.; Clifford, E.; Delaure, Y. (2017) 'The evaluation of technologies for small, new design wastewater treatment systems'. Desalination and Water Treatment, 91 . [DOI]
2017 McNamara, G.; Fitzsimons, L.; Doherty, E.; Clifford, E.; Delaure, Y. (2017) 'The evaluation of technologies for small, new design wastewater treatment systems'. Desalination and Water Treatment, 91 . [Link] [DOI]
2017 Doherty, E.; McNamara, G.; Fitzsimons, L.; Clifford, E. (2017) 'Design and implementation of a performance assessment methodology cognisant of data accuracy for Irish wastewater treatment plants'. Journal of Cleaner Production, 165 . [Link] [DOI]
2016 Fitzsimons, L.; Horrigan, M.; McNamara, G.; Doherty, E.; Phelan, T.; Corcoran, B.; Delaure, Y.; Clifford, Eoghan (2016) 'Assessing the thermodynamic performance of Irish municipal wastewater treatment plants using exergy analysis: a potential benchmarking approach'. Journal of Cleaner Production, 131 . [DOI]
2016 McNamara, G.; Fitzsimons, L.; Horrigan, M.; Phelan, T.; Delaure, Y.; Corcoran, B.; Doherty, E.; Clifford, E. (2016) 'Life cycle assessment of wastewater treatment plants in Ireland'. Journal of Sustainable Development of Energy Water and Environment Systems, 4 . [Link] [DOI]
2016 McNamara, G; Fitzsimons, L; Horrigan, M; Phelan, T; Delaure, Y; Corcoran, B; Doherty, E; Clifford, E (2016) 'Life Cycle Assessment of Wastewater Treatment Plants in Ireland'. Journal Of Sustainable Development Of Energy Water And Environment Systems-Jsdewes, 4 :216-233. [DOI]
2015 Fitzsimons, L.; Corcoran, B.; Young, P.; Foley, G. (2015) 'Exergy analysis of water purification and desalination: A study of exergy model approaches'. Desalination, 359 . [Link] [DOI]

Other Journal

Year Publication
2014 E. Doherty, L. Fitzsimons, B. Corcoran, Y. Delauré and E. Clifford (2014) 'A Resource Consumption Benchmarking System for WWTPs' .

Conference Publication

Year Publication
2025 Saeedian, Afshin; Fitzsimons, Lorna; McGrath, James; O’Donnell, James (2025) International Conference on Building Energy and Environment Reducing Energy Poverty Through Energy-Efficient Interventions at a National Scale in Households [Link]
2019 Micheal Cairns, Lorna Fitzsimons, Yan Delaure (2019) International Water Association (IWA) LET2019 A techno-economic evaluation of incorporating energy recovery devices within continuous-batch reverse osmosis processes
2018 Daly, E., Fitzsimons, L., and Corcoran, B. (2018) 13th Conference on Sustainable Development of Energy, Water and Environment Systems – SDEWES2018 Impact of Rainfall Events on the Electricity Consumption of Two Wastewater Treatment Plants Palermo, italy,
2017 Micheal Cairns and Lorna Fitzsimons (2017) Membranes in drinking and industrial water production, European Desalination Society (EDS), 6th–8th February 2017, Leeuwarden, The Netherlands A novel energy recovery device / RO test rig targeted to treat & recoup low flow industrial wastewaters
2016 G. McNamara, L. Fitzsimons, E. Doherty, E. Clifford, and Y. Delaure (2016) 13th IWA Specialized Conference on Small Water and Wastewater Systems The evaluation of technologies for small, new design, wastewater treatment systems Athens, Greece,
2015 McNamara, G., Fitzsimons, L., Doherty, E., Clifford, E. (2015) 10th Conference on Sustainable Development of Energy, Water and Environment Systems Performance Metrics in Life Cycle Assessments of Wastewater Treatment Plants Dubrovnik, Croatia,
2015 E. Doherty, L. Fitzsimons, B. Corcoran, Y. Delauré and E. Clifford (2015) IWA Water Efficiency and Performance Assessment of Water Services Benchmarking Resource Efficiency in Wastewater Treatment Plants: Developing Best Practices Cincinnati, Ohio, USA, 21/04/2015- 24/04/2015
2014 Thomas Phelan, Matthew Horrigan, Greg McNamara, Yan Delauré, Brian Corcoran, Eoghan Clifford and Lorna Fitzsimons (2014) SEE SDEWES Ohrid 2014, 1st South East European Conference on Sustainable Development of Energy, Water and Environment Systems Opportunities for Process Control Optimisation in Irish Municipal Wastewater Treatment Plants Ohrid, Macedonia,
2014 Greg McNamara, Matthew Horrigan, Thomas Phelan, Yan Delauré, Brian Corcoran, Eoghan Clifford and Lorna Fitzsimons (2014) 1st South East European Conference on Sustainable Development of Energy, Water and Environment Systems Life Cycle Assessment of Waste Water Treatment Plants in Ireland Ohrid, Macedonia,
2014 E. Doherty, L. Fitzsimons, B. Corcoran, Y. Delauré and E. Clifford (2014) IWA Water, Energy and Climate Conference 2014 Design and Implementation of a Resource Consumption Benchmarking System for Wastewater Treatment Plants Mexico City, Mexico, 21/05/2014- 23/05/2014
2012 Fitzsimons, L., Heery, B., Chapman, J., Lau, K. T., Regan, F., Kim, J-H., Diamond, D. and Sullivan, T. (2012) EuropetrodeXI Development of a realtime, continuous, optical turbidity and colorimetric sensing device for the marine environment Barcelona, Spain,
2012 Fitzsimons, L., Corcoran, B., Young, P., Foley, G. and Regan, F. (2012) HEFAT 2012 (Heat Transfer, Fluid Mechanics and Thermodynamics) Modelling the Activity of Seawater and Implications for Desalination Exergy Analyses Malta,
2010 Fitzsimons, L., Corcoran, B., Young, P. and Foley, G. (2010) HEFAT 2010 (Heat Transfer, Fluid Mechanics and Thermodynamics) A Comparison of Prevalent Desalination Exergy Models
2010 Fitzsimons, L., Corcoran, B., Young, P. and Foley, G. (2010) Fifth International Ege Energy Symposium and Exhibition (IEESE-5) Desalination Exergy Models: Mathematical and Seawater Model Comparison Denizli, Turkey,

Published Report

Year Publication
2016 Lorna Fitzsimons, Eoghan Clifford, Greg McNamara, Edelle Doherty, Thomas Phelan, Matthew Horrigan, Yann Delauré and Brian Corcoran (2016) Increasing Resource Efficiency in Wastewater Treatment Plants. The Environmental Protection Agency, Ireland, .
Certain data included herein are derived from the © Web of Science (2026) of Clarivate. All rights reserved.

Research Interests

Water-energy nexus
Water treatment - Ultra-pure, desalination and wastewater
Energy modelling
Exergy analysis
LCA

Research Projects

Title Role Description Start date End date
ALICE PI 16/01/2017 15/12/2021
Feasibility study PI 21/07/2016 21/01/2017
Saltgae PI 01/06/2016 31/05/2019
ESIPP PI 25/11/2015 24/11/2019
Optimal design an operation of small-scale wastewater treatment plants:the Irish case Coordinator 01/04/2015 31/03/2017
Optimal design of small-scale wastewater treatment plants Coordinator 01/04/2015 31/03/2017
Increasing Resource Efficiency in Wastewater Treatment Plants Coordinator 01/01/2013 31/07/2015
AcceLerate Innovation in urban wastewater management for Climate changE DCU PI 01/01/2017 31/12/2020
Water and energy nexus in the field of water reuse DCU PI 01/03/2016 28/02/2017
Innovative wastewater treatment to increase water reuse and mitigate environmental impact of wastewater discharge DCU PI 01/10/2019 30/11/2019
Increasing Resource Efficiency in Waste Water Treatment Plants DCU PI 19/03/2013 18/03/2015
Reducing the Energy Footprint of Wastewater Sludge Treatment - IP Feasibility DCU PI 20/07/2016 19/01/2017
Decarbonisation of wastewater treatment systems in the Food and Beverage industry DCU PI 27/05/2019 29/07/2019
Decarbonising the heat load in non-domestic buildings DCU PI 01/09/2020 31/08/2023
EPA 2014 Call: ` Optimal design and operation of small scale waste water treatment plants: the Irish case` DCU PI 01/04/2015 31/03/2016
Next Generation Energy Systems DCU PI 30/12/2021 29/12/2026