All Outputs (11)

A Stiffness Approach for Coupling Structural and Magnetic Models for the Sustainable Design, Optimisation and Real-Time Structural Integrity Assessment of Radial Flux Permanent Magnet Generators for Direct-Drive Wind Turbines (2024)
Journal Article
McDonald, A., & Jaen-Sola, P. (2024). A Stiffness Approach for Coupling Structural and Magnetic Models for the Sustainable Design, Optimisation and Real-Time Structural Integrity Assessment of Radial Flux Permanent Magnet Generators for Direct-Drive Wind Turbines. Sustainability, 16(6), Article 2393. https://doi.org/10.3390/su16062393

The mass of a direct-drive generator is often defined by the requirements for structural stiffness to meet the magnetic stiffness between the rotor and stator surfaces. This paper analyses this magnetic stiffness and estimates the structural stiffnes... Read More about A Stiffness Approach for Coupling Structural and Magnetic Models for the Sustainable Design, Optimisation and Real-Time Structural Integrity Assessment of Radial Flux Permanent Magnet Generators for Direct-Drive Wind Turbines.

An Efficient Computational Analysis and Modelling of Transferred Aerodynamic Loading on Direct-Drive System of 5 MW Wind Turbine and Results Driven Optimisation for a Sustainable Generator Structure (2024)
Journal Article
Szatkowski, S., Jaen-Sola, P., & Oterkus, E. (in press). An Efficient Computational Analysis and Modelling of Transferred Aerodynamic Loading on Direct-Drive System of 5 MW Wind Turbine and Results Driven Optimisation for a Sustainable Generator Structure. Sustainability, 16(2), Article 545. https://doi.org/10.3390/su16020545

The study presents an efficient computational investigation on the behaviour of the direct-drive system integrated into the offshore 5 MW NREL wind turbine model under demanding aerodynamic loading conditions with the aim of optimising and developing... Read More about An Efficient Computational Analysis and Modelling of Transferred Aerodynamic Loading on Direct-Drive System of 5 MW Wind Turbine and Results Driven Optimisation for a Sustainable Generator Structure.

Towards an Integrated Design of Direct-Drive Wind Turbine Electrical Generator Supporting Structures (2023)
Journal Article
Touw, L., Jaen Sola, P., & Oterkus, E. (2023). Towards an Integrated Design of Direct-Drive Wind Turbine Electrical Generator Supporting Structures. Wind, 3(3), 343-360. https://doi.org/10.3390/wind3030020

Rotor and stator support structures of significant size and mass are required to withstand the considerable loads that direct-drive wind turbine electrical generators face to maintain an air-gap clearance that is open and stable. With the increase of... Read More about Towards an Integrated Design of Direct-Drive Wind Turbine Electrical Generator Supporting Structures.

Establishing the Importance of Operating Temperature in the Structural Integrity of Large-Scale Direct-Drive Wind Turbine Generators (2023)
Journal Article
Bichan, M., Jack, A., & Jaen-Sola, P. (2023). Establishing the Importance of Operating Temperature in the Structural Integrity of Large-Scale Direct-Drive Wind Turbine Generators. Machines, 11(8), Article 780. https://doi.org/10.3390/machines11080780

Direct-drive generators are recognised for their low maintenance compared with conventional drivetrains, largely due to their fewer working parts. However, consequent to low-speed operation, these machines necessitate large diameters and are subject... Read More about Establishing the Importance of Operating Temperature in the Structural Integrity of Large-Scale Direct-Drive Wind Turbine Generators.

Design and optimization of multi-MW offshore direct-drive wind turbine electrical generator structures using generative design techniques (2023)
Journal Article
Gonzalez-Delgado, D., Jaen-Sola, P., & Oterkus, E. (2023). Design and optimization of multi-MW offshore direct-drive wind turbine electrical generator structures using generative design techniques. Ocean Engineering, 280, Article 114417. https://doi.org/10.1016/j.oceaneng.2023.114417

The use of generative design as an alternative to typical structural optimization techniques opens the door to new methods of manufacturing. In this study, generative design techniques were used as an automated iterative process with an extensive set... Read More about Design and optimization of multi-MW offshore direct-drive wind turbine electrical generator structures using generative design techniques.

Structural Optimisation of Offshore Direct-Drive Wind Turbine Generators Including Static and Dynamic Analyses (2021)
Journal Article
Tartt, K., Kazemi Amiri, A., McDonald, A., & Jaen-Sola, P. (2021). Structural Optimisation of Offshore Direct-Drive Wind Turbine Generators Including Static and Dynamic Analyses. Journal of Physics: Conference Series, 2018(1), Article 012040. https://doi.org/10.1088/1742-6596/2018/1/012040

One way to achieve increased wind capacity is by installing larger and more efficient wind turbines, which results in larger/heavier generators. Direct-drive, permanent magnet generators are favoured due to their increased efficiency, but the added w... Read More about Structural Optimisation of Offshore Direct-Drive Wind Turbine Generators Including Static and Dynamic Analyses.

Experimental Strain Measurement Approach Using Fiber Bragg Grating Sensors for Monitoring of Railway Switches and Crossings (2021)
Journal Article
Kerrouche, A., Najeh, T., & Jaen-Sola, P. (2021). Experimental Strain Measurement Approach Using Fiber Bragg Grating Sensors for Monitoring of Railway Switches and Crossings. Sensors, 21(11), Article 3639. https://doi.org/10.3390/s21113639

Railway infrastructure plays a major role in providing the most cost-effective way to transport freight and passengers. The increase in train speed, traffic growth, heavier axles, and harsh environments make railway assets susceptible to degradation... Read More about Experimental Strain Measurement Approach Using Fiber Bragg Grating Sensors for Monitoring of Railway Switches and Crossings.

Parametric lightweight design of a direct-drive wind turbine electrical generator supporting structure for minimizing dynamic response (2021)
Journal Article
Jaen Sola, P., Oterkusb, E., & McDonald, A. (2021). Parametric lightweight design of a direct-drive wind turbine electrical generator supporting structure for minimizing dynamic response. Ships and Offshore Structures, 16(Sup 1: Papers from the 2020 International Conference on Ships and Offshore Structures), 266-274. https://doi.org/10.1080/17445302.2021.1927356

Heavy, large and robust supporting structures are needed to keep the airgap clearance of direct-drive multi-MW wind turbine electrical generators open and stable. As rotating pieces of machinery, generators vibrate when their natural frequencies are... Read More about Parametric lightweight design of a direct-drive wind turbine electrical generator supporting structure for minimizing dynamic response.

Design of direct-drive wind turbine electrical generator structures using topology optimization techniques (2020)
Journal Article
Jaen-Sola, P., McDonald, A. S., & Oterkus, E. (2020). Design of direct-drive wind turbine electrical generator structures using topology optimization techniques. Journal of Physics: Conference Series, 1618, 052009. https://doi.org/10.1088/1742-6596/1618/5/052009

Reducing the structural mass of low speed multi-MW electrical machines for renewable energy purposes have become an important object of study as with the drop in mass a substantial decrease in the machine capital cost can be achieved. Direct-drive wi... Read More about Design of direct-drive wind turbine electrical generator structures using topology optimization techniques.

Lightweight design of direct-drive wind turbine electrical generators: A comparison between steel and composite material structures (2019)
Journal Article
Jaen Sola, P., McDonald, A., & Oterkus, E. (2019). Lightweight design of direct-drive wind turbine electrical generators: A comparison between steel and composite material structures. Ocean Engineering, 181, 330-341. https://doi.org/10.1016/j.oceaneng.2019.03.053

Direct-drive generators for wind turbines are high torque, low speed machines which require a heavy robust structure to maintain the air-gap clearance open and stable. The mass of the structural material can be assessed at the early stages of the des... Read More about Lightweight design of direct-drive wind turbine electrical generators: A comparison between steel and composite material structures.

Dynamic structural design of offshore direct-drive wind turbine electrical generators. (2018)
Journal Article
Jaen-Sola, P., McDonald, A. S., & Oterkus, E. (2018). Dynamic structural design of offshore direct-drive wind turbine electrical generators. Ocean Engineering, 161, 1-19. https://doi.org/10.1016/j.oceaneng.2018.04.074

Direct-drive permanent magnet generators for multi-MW wind turbines are low speed high torque electrical machines requiring large, heavy and robust structures to maintain the airgap clearance open and stable. The structural mass of radial-flux genera... Read More about Dynamic structural design of offshore direct-drive wind turbine electrical generators..