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Journal Articles

Assessing the Potential Increase in the Energy Storage Density of Subsea Hydro-Pneumatic Accumulators Using Carbon Dioxide in Lieu of Air

Charise Cutajar, Tonio Sant, Luke Jurgen Briffa, Daniel Buhagiar
Journal: Journal of Thermal Science and Engineering Applications
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. March 2023, 15(3): 031001.
Paper No: TSEA-22-1346
DOI: https://doi.org/10.1115/1.4056247
Published Online: December 6, 2022
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Topics: Carbon dioxide, Energy storage, Ocean engineering, Pressure, Seas, Secondary cells, Storage, Temperature, Density, Seawater
Proceedings Papers

Numerically Analysing Liquid-Cargo Sloshing Diminishment in Partitioned Rectangular Tanks

Mitchell G. Borg, Claire DeMarco Muscat-Fenech, Tahsin Tezdogan, Tonio Sant, Simon Mizzi, Yigit Kemal Demirel
Proc. ASME. OMAE2022, Volume 7: CFD and FSI, V007T08A022, June 5–10, 2022
Paper No: OMAE2022-86100
DOI: https://doi.org/10.1115/OMAE2022-86100
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Topics: Computational fluid dynamics, Oscillations, Sloshing
Proceedings Papers

Investigating the Increase in Energy Storage Density of Subsea Hydro-Pneumatic Accumulators Using a Compressible Fluid Undergoing Phase Change

Charise Cutajar, Tonio Sant, Luke J. Briffa, Daniel Buhagiar
Proc. ASME. OMAE2022, Volume 8: Ocean Renewable Energy, V008T09A011, June 5–10, 2022
Paper No: OMAE2022-78138
DOI: https://doi.org/10.1115/OMAE2022-78138
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Topics: Density, Energy storage, Fluids, Ocean engineering, Secondary cells
Proceedings Papers

Disparity Analysis for Three Floating Wind Turbine Aerodynamic Codes in Comparison

Tonio Sant, Daniel Micallef
Proc. ASME. IOWTC2019, ASME 2019 2nd International Offshore Wind Technical Conference, V001T01A001, November 3–6, 2019
Paper No: IOWTC2019-7509
DOI: https://doi.org/10.1115/IOWTC2019-7509
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Topics: Actuators, Aerodynamics, Airfoils, Blades, Boundary element methods, Computational fluid dynamics, Disks, Floating wind turbines, Modeling, Momentum
Proceedings Papers

Investigation of Wind Flow Conditions on the Flight Endurance of UAVs in Hovering Flight: A Preliminary Study

Leo Scicluna, Tonio Sant, Robert N. Farrugia
Proc. ASME. IOWTC2019, ASME 2019 2nd International Offshore Wind Technical Conference, V001T01A037, November 3–6, 2019
Paper No: IOWTC2019-7514
DOI: https://doi.org/10.1115/IOWTC2019-7514
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Topics: Flight, Flow (Dynamics), Unmanned aerial vehicles, Wind, Inspection, Sensors, Vehicles, Wind velocity, Dynamics (Mechanics), Energy consumption
Proceedings Papers

Investigating the Influence of MCP Uncertainties on the Energy Storage Capacity Requirements for Offshore Windfarms

Michael D. Mifsud, Robert N. Farrugia, Tonio Sant
Proc. ASME. IOWTC2019, ASME 2019 2nd International Offshore Wind Technical Conference, V001T01A030, November 3–6, 2019
Paper No: IOWTC2019-7504
DOI: https://doi.org/10.1115/IOWTC2019-7504
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Topics: Energy storage, Ocean engineering, Uncertainty, Wind farms
Proceedings Papers

Assessing the Impact of Integrating Energy Storage on the Dynamic Response of a Spar-Type Floating Wind Turbine

Charise Cutajar, Tonio Sant, Robert N. Farrugia, Daniel Buhagiar
Proc. ASME. IOWTC2019, ASME 2019 2nd International Offshore Wind Technical Conference, V001T01A038, November 3–6, 2019
Paper No: IOWTC2019-7577
DOI: https://doi.org/10.1115/IOWTC2019-7577
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Topics: Dynamic response, Energy storage, Floating wind turbines, Ocean engineering, Offshore wind turbines, Spar platforms, Wind, Wing spars
Proceedings Papers

Modelling the Aerodynamics of a Floating Wind Turbine Model Using a CFD-Based Actuator Disc Method

Ryan Bezzina, Tonio Sant, Daniel Micallef
Proc. ASME. IOWTC2019, ASME 2019 2nd International Offshore Wind Technical Conference, V001T01A003, November 3–6, 2019
Paper No: IOWTC2019-7526
DOI: https://doi.org/10.1115/IOWTC2019-7526
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Topics: Actuators, Aerodynamics, Computational fluid dynamics, Disks, Floating wind turbines, Modeling
Proceedings Papers

Integrating Compressed Air Energy Storage (CAES) in Floating Offshore Wind Turbines

Peter P. Vella, Tonio Sant, Robert N. Farrugia
Proc. ASME. IOWTC2019, ASME 2019 2nd International Offshore Wind Technical Conference, V001T02A002, November 3–6, 2019
Paper No: IOWTC2019-7533
DOI: https://doi.org/10.1115/IOWTC2019-7533
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Topics: Compressed air, Energy storage, Offshore wind turbines
Proceedings Papers

Modelling the Dynamic Response and Loads of Floating Offshore Wind Turbine Structures With Integrated Compressed Air Energy Storage

Tonio Sant, Daniel Buhagiar, Robert N. Farrugia
Proc. ASME. OMAE2017, Volume 10: Ocean Renewable Energy, V010T09A049, June 25–30, 2017
Paper No: OMAE2017-61587
DOI: https://doi.org/10.1115/OMAE2017-61587
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Topics: Compressed air, Dynamic response, Energy storage, Modeling, Offshore wind turbines, Stress, Tension-leg platforms, Wind turbines, Weight (Mass), Buoyancy
Proceedings Papers

Numerical Analysis of a Large-Scale Hydraulic Wind Farm With Integrated Hydraulic Energy Storage

Daniel Buhagiar, Tonio Sant
Proc. ASME. ES2016, Volume 1: Biofuels, Hydrogen, Syngas, and Alternate Fuels; CHP and Hybrid Power and Energy Systems; Concentrating Solar Power; Energy Storage; Environmental, Economic, and Policy Considerations of Advanced Energy Systems; Geothermal, Ocean, and Emerging Energy Technologies; Photovoltaics; Posters; Solar Chemistry; Sustainable Building Energy Systems; Sustainable Infrastructure and Transportation; Thermodynamic Analysis of Energy Systems; Wind Energy Systems and Technologies, V001T14A002, June 26–30, 2016
Paper No: ES2016-59539
DOI: https://doi.org/10.1115/ES2016-59539
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Topics: Energy storage, Numerical analysis, Wind farms, Turbines, Storage, Wind turbines, Pipelines, Seawater, Electronics, Engineering simulation
Journal Articles

A Modified Beddoes–Leishman Model for Unsteady Aerodynamic Blade Load Computations on Wind Turbine Blades

Moutaz Elgammi, Tonio Sant
Journal: Journal of Solar Energy Engineering
Article Type: Research-Article
J. Sol. Energy Eng. October 2016, 138(5): 051009.
Paper No: SOL-15-1320
DOI: https://doi.org/10.1115/1.4034241
Published Online: August 15, 2016
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Topics: Airfoils, Blades, Flow (Dynamics), Stress, Vortices, Wind turbines, Flow separation, Wakes, Random noise, Rotors
Journal Articles

A Comparison of Two Pressure Control Concepts for Hydraulic Offshore Wind Turbines

Daniel Buhagiar, Tonio Sant, Marvin Bugeja
Journal: Journal of Dynamic Systems, Measurement, and Control
Article Type: Research-Article
J. Dyn. Sys., Meas., Control. August 2016, 138(8): 081007.
Paper No: DS-15-1477
DOI: https://doi.org/10.1115/1.4033104
Published Online: May 25, 2016
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Topics: Control equipment, Flow (Dynamics), Pressure, Turbines, Wind turbines, Modeling, Pumps, Rotors, Actuators, Offshore wind turbines
Journal Articles

Comparing Three Aerodynamic Models for Predicting the Thrust and Power Characteristics of a Yawed Floating Wind Turbine Rotor

Tonio Sant, Kurt Cuschieri
Journal: Journal of Solar Energy Engineering
Article Type: Research-Article
J. Sol. Energy Eng. June 2016, 138(3): 031004.
Paper No: SOL-15-1241
DOI: https://doi.org/10.1115/1.4032684
Published Online: February 23, 2016
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Topics: Rotors, Tension-leg platforms, Thrust, Waves, Yaw, Floating wind turbines, Surges, Boundary element methods
Proceedings Papers

Control of an Open-Loop Hydraulic Offshore Wind Turbine Using a Variable-Area Orifice

Daniel Buhagiar, Tonio Sant, Marvin K. Bugeja
Proc. ASME. OMAE2015, Volume 9: Ocean Renewable Energy, V009T09A043, May 31–June 5, 2015
Paper No: OMAE2015-41388
DOI: https://doi.org/10.1115/OMAE2015-41388
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Topics: Offshore wind turbines, Nozzles, Turbines, Generators, Mechanical drives, Pipelines, Pumps, Seawater, Electric power transmission, Electronic components
Proceedings Papers

Numerical Modelling of the Aerodynamic Characteristics of a Floating Offshore Wind Turbine Under Yawed Rotor Conditions

Tonio Sant, Kurt Cuschieri
Proc. ASME. OMAE2015, Volume 9: Ocean Renewable Energy, V009T09A046, May 31–June 5, 2015
Paper No: OMAE2015-41604
DOI: https://doi.org/10.1115/OMAE2015-41604
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Topics: Modeling, Offshore wind turbines, Rotors, Thrust, Tension-leg platforms, Wakes, Waves, Yaw, Floating wind turbines, Ocean waves
Journal Articles

Modeling the Energy Yield Enhancement From a Wind Turbine at a Deep Offshore Low Wind Site Through Combined Power and Thermocline Energy Production

Tonio Sant, Robert N. Farrugia
Journal: Journal of Solar Energy Engineering
Article Type: Research-Article
J. Sol. Energy Eng. February 2015, 137(1): 011002.
Paper No: SOL-13-1211
DOI: https://doi.org/10.1115/1.4027963
Published Online: July 29, 2014
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Topics: Cooling, Heat exchangers, Ocean engineering, Pipelines, Seas, Seawater, Temperature, Thermal conductivity, Thermal energy, Turbines
Proceedings Papers

Performance Modelling of an Offshore Floating Wind Turbine-Driven Deep Sea Water Extraction System for Combined Power and Thermal Energy Production: A Case Study in a Central Mediterranean Context

Tonio Sant, Robert N. Farrugia
Proc. ASME. OMAE2013, Volume 8: Ocean Renewable Energy, V008T09A044, June 9–14, 2013
Paper No: OMAE2013-10714
DOI: https://doi.org/10.1115/OMAE2013-10714
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Topics: Modeling, Ocean engineering, Seawater, Thermal energy, Turbines, Wind, Generators, Offshore wind turbines, Pumps, Wind turbines
Proceedings Papers

The Effects of Thermocouple Materials and Insulating Mica in an Erodable Surface Thermocouple

Alan Grech, Tonio Sant, Mario Farrugia
Proc. ASME. HT2008, Heat Transfer: Volume 3, 685-697, August 10–14, 2008
Paper No: HT2008-56090
DOI: https://doi.org/10.1115/HT2008-56090
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Topics: Heat flux, Thermocouples, Transients (Dynamics)
Journal Articles

Stall in Yawed Flow Conditions: A Correlation of Blade Element Momentum Predictions With Experiments

Wouter Haans, Tonio Sant, Gijs van Kuik, Gerard van Bussel
Journal: Journal of Solar Energy Engineering
Article Type: Research Papers
J. Sol. Energy Eng. November 2006, 128(4): 472–480.
DOI: https://doi.org/10.1115/1.2349545
Published Online: July 16, 2006
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Topics: Blades, Boundary element methods, Flow (Dynamics), Rotors, Wakes, Momentum