All Outputs (26)

Aero-Servo-Elastic Simulation of the International Energy Agency’s 15MW Reference Wind Turbine for Direct-Drive Generator Integrity Modelling (2024)
Presentation / Conference Contribution
Bichan, M., Jaen-Sola, P., Sellami, N., & Muhammad-Sukki, F. (2024, June). Aero-Servo-Elastic Simulation of the International Energy Agency’s 15MW Reference Wind Turbine for Direct-Drive Generator Integrity Modelling. Presented at ASWEC 2024: 4th Annual Conference Solar and Wind Power, Edinburgh

This paper presents the development of a full turbine model and subsequent aero-servo-elastic simulation of the IEA 15MW Reference Wind Turbine, such that aerodynamic loads can be obtained and then applied to a simplified drivetrain in Finite-Element... Read More about Aero-Servo-Elastic Simulation of the International Energy Agency’s 15MW Reference Wind Turbine for Direct-Drive Generator Integrity Modelling.

Generative Design and Additive Manufacturing Techniques on the Optimization of Multi-MW Offshore Direct-Drive Wind Turbine Electrical Generators (2024)
Presentation / Conference Contribution
Gonzalez-Delgado, D., Jaen-Sola, P., & Oterkus, E. (2024, June). Generative Design and Additive Manufacturing Techniques on the Optimization of Multi-MW Offshore Direct-Drive Wind Turbine Electrical Generators. Presented at ASWEC 2024: 4th Annual Conference Solar and Wind Power, Edinburgh

New advances in structural optimization techniques and manufacturing methods, such as generative design (GD) and additive manufacturing (AM), are revolutionizing the capabilities to generate high-efficiency and lightweight models in comparison with c... Read More about Generative Design and Additive Manufacturing Techniques on the Optimization of Multi-MW Offshore Direct-Drive Wind Turbine Electrical Generators.

Preface: The 4th Annual Conference Solar and Wind Power (2024)
Presentation / Conference Contribution
Sellami, N., Muhammad-Sukki, F., & Sola, P. (2024, June). Preface: The 4th Annual Conference Solar and Wind Power. Presented at ASWEC 2024: 4th Annual Conference on Solar and Wind Power, Edinburgh

Abstract not available.

A Generative Design Approach for the Dynamic Optimisation of Multi-MW Offshore Direct-Drive Wind Turbine Electrical Generator Supporting Structures Using Modal Analysis (2024)
Journal Article
Gonzalez-Delgado, D., Jaen-Sola, P., & Oterkus, E. (2024). A Generative Design Approach for the Dynamic Optimisation of Multi-MW Offshore Direct-Drive Wind Turbine Electrical Generator Supporting Structures Using Modal Analysis. Wind, 4(2), 172-189. https://doi.org/10.3390/wind4020009

Generative design techniques together with the rapid development of additive manufacturing represent a revolution in the field of structural optimisation processes. In this study, a static structural and modal analysis was integrated to drive a multi... Read More about A Generative Design Approach for the Dynamic Optimisation of Multi-MW Offshore Direct-Drive Wind Turbine Electrical Generator Supporting Structures Using Modal Analysis.

On the Integrity of Large-Scale Direct-Drive Wind Turbine Electrical Generator Structures: An Integrated Design Methodology for Optimisation, Considering Thermal Loads and Novel Techniques (2024)
Journal Article
Bichan, M., Jaen-Sola, P., Gonzalez-Delgado, D., & Oterkus, E. (2024). On the Integrity of Large-Scale Direct-Drive Wind Turbine Electrical Generator Structures: An Integrated Design Methodology for Optimisation, Considering Thermal Loads and Novel Techniques. Machines, 12(4), Article 277. https://doi.org/10.3390/machines12040277

With the rapid expansion of offshore wind capacity worldwide, minimising operation and maintenance requirements is pivotal. Regarded as a low-maintenance alternative to conventional drivetrain systems, direct-drive generators are increasingly commonp... Read More about On the Integrity of Large-Scale Direct-Drive Wind Turbine Electrical Generator Structures: An Integrated Design Methodology for Optimisation, Considering Thermal Loads and Novel Techniques.

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.

A Stiffness Approach for Coupling Structural and Magnetic Models for the Design and Optimization of Radial Flux PM Generators for Sustainable Direct-Drive Wind Turbines (2024)
Preprint / Working Paper
McDonald, A., & Jaen-Sola, P. A Stiffness Approach for Coupling Structural and Magnetic Models for the Design and Optimization of Radial Flux PM Generators for Sustainable Direct-Drive Wind Turbines

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 Design and Optimization of Radial Flux PM Generators for Sustainable 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.

Simulation of a Solar Dryer for Use in Developing Countries (2023)
Presentation / Conference Contribution
Muhammad-Sukki, F., Abiola Oladimeji, A., Sola, P. J., See, C. H., Bani, N. A., Muhtazaruddin, M. N., Amran, M. E., & Ahmad Kamil, A. S. (2023, October). Simulation of a Solar Dryer for Use in Developing Countries. Presented at 2023 International Conference on Power and Renewable Energy Engineering, Tokyo, Japan

This paper examines the implementation of solar dryers in developing countries. Simulations were carried out using a simple model of a solar dryer to validate the drying process for various crops and fish products. The solar dryer simulator model in... Read More about Simulation of a Solar Dryer for Use in Developing Countries.

Full turbine modelling of the NREL 15MW reference wind turbine for the transient thermal and structural analyses of the direct -drive generator structure (2023)
Presentation / Conference Contribution
Bichan, M., Jaen-Sola, P., Sellami, N., & Muhammad Sukki, F. (2023, August). Full turbine modelling of the NREL 15MW reference wind turbine for the transient thermal and structural analyses of the direct -drive generator structure. Presented at SCEBE Research Degree Conference 2023, Edinburgh Napier University, Edinburgh

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)
Presentation / Conference Contribution
Jaen-Sola, P., McDonald, A. S., & Oterkus, E. (2020, September). Design of direct-drive wind turbine electrical generator structures using topology optimization techniques. Presented at The Science of Making Torque from Wind (TORQUE 2020), Online

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..

A Comparative Study of Methods for Modelling the Structural Stiffness of Generator Components (2016)
Presentation / Conference Contribution
Jaen-Sola, P., & Mcdonald, A. (2016, April). A Comparative Study of Methods for Modelling the Structural Stiffness of Generator Components. Presented at 8th IET International Conference on Power Electronics, Machines and Drives (PEMD 2016), Glasgow, UK

Direct-drive generators are low speed electrical machines requiring robust and large supporting structures designed to resist the significant loads present during assembly and operation. Generator structures have to be stiff, especially in the radial... Read More about A Comparative Study of Methods for Modelling the Structural Stiffness of Generator Components.