Professor SEAMUS GARVEY's Outputs (43)

Load optimization for reducing the cost of an electric vehicle’s battery pack (2018)
Journal Article
Cárdenas, B., & Garvey, S. D. (2018). Load optimization for reducing the cost of an electric vehicle’s battery pack. Journal of Energy Storage, 20, 254-263. https://doi.org/10.1016/j.est.2018.09.018

This paper presents a study on the cost-optimization of the battery pack of a Nissan Leaf. The optimization is based on decomposing the load that the battery pack experiences into two components (low and high frequency), each of which will be handled... Read More about Load optimization for reducing the cost of an electric vehicle’s battery pack.

A series hybrid “real inertia” energy storage system (2018)
Journal Article
Rouse, J., Garvey, S., Cárdenas, B., & Davenne, T. (2018). A series hybrid “real inertia” energy storage system. Journal of Energy Storage, 20, 1-15. https://doi.org/10.1016/j.est.2018.08.006

The wide scale market penetration of numerous renewable energy technologies is dependent, at least in part, on developing reliable energy storage methods that can alleviate concerns over potentially interrupted and uncertain supplies. Many challenges... Read More about A series hybrid “real inertia” energy storage system.

Stability of packed bed thermoclines (2018)
Journal Article
Davenne, T. R., Garvey, S. D., Cardenas, B., & Rouse, J. P. (2018). Stability of packed bed thermoclines. Journal of Energy Storage, 19, 192-200. https://doi.org/10.1016/j.est.2018.07.015

© 2018 Packed bed thermoclines have attracted considerable interest as an economical method for storing large amounts of thermal energy. They are a constituent part of a range of proposed thermo-mechanical energy storage systems, such as Adiabatic Co... Read More about Stability of packed bed thermoclines.

A Method Of Varying Bulk Modulus In Journal Bearings To Allow For Highly Cavitied Regions To Be Solved Using Realistic Bulk Modulus Values (2017)
Presentation / Conference Contribution
Rothwell, B., Garvey, S., & Webster, J. (2017, September). A Method Of Varying Bulk Modulus In Journal Bearings To Allow For Highly Cavitied Regions To Be Solved Using Realistic Bulk Modulus Values. Paper presented at 6th World Tribology Congress, Beijing, China

Lowering the cost of large-scale energy storage: high temperature adiabatic compressed air energy storage (2017)
Journal Article
Cárdenas, B., Pimm, A. J., Kantharaj, B., Simpson, M., Garvey, J., & Garvey, S. D. (2017). Lowering the cost of large-scale energy storage: high temperature adiabatic compressed air energy storage. Propulsion and Power Research, 6(2), https://doi.org/10.1016/j.jppr.2017.06.001

Compressed air energy storage is an energy storage technology with strong potential to play a significant role in balancing energy on transmission networks, owing to its use of mature technologies and low cost per unit of storage capacity. Adiabatic... Read More about Lowering the cost of large-scale energy storage: high temperature adiabatic compressed air energy storage.

Thermal Design of Linear Induction and Synchronous Motors for Electromagnetic Launch of Civil Aircraft (2017)
Journal Article
Bertola, L., Cox, T., Wheeler, P., Garvey, S. D., & Morvan, H. (2017). Thermal Design of Linear Induction and Synchronous Motors for Electromagnetic Launch of Civil Aircraft. IEEE Transactions on Plasma Science, 45(7), 1146-1153. https://doi.org/10.1109/TPS.2017.2697941

The engine size of modern passenger transport aircraft is principally determined by take-off conditions, since initial acceleration requires maximum engine power. An elec¬tromagnetic launch (EML) system could provide some or all of the energy require... Read More about Thermal Design of Linear Induction and Synchronous Motors for Electromagnetic Launch of Civil Aircraft.

The cold store for a pumped thermal energy storage system (2017)
Journal Article
Davenne, T., Garvey, S., Cardenas, B., & Simpson, M. (2017). The cold store for a pumped thermal energy storage system. Journal of Energy Storage, 14(2), https://doi.org/10.1016/j.est.2017.03.009

In recent years several proposals for thermodynamic cycles involving the compression and expansion of gas and thermal storage have been put forward as effective ways of storing energy. These include the work of Desrues [1] who proposed a thermal ener... Read More about The cold store for a pumped thermal energy storage system.

Gas-to-gas heat exchanger design for high performance thermal energy storage (2017)
Journal Article
Cardenas, B., Garvey, S. D., Kantharaj, B., & Simpson, M. (2017). Gas-to-gas heat exchanger design for high performance thermal energy storage. Journal of Energy Storage, 14(2), https://doi.org/10.1016/j.est.2017.03.004

The mathematical modelling and optimization of a gas-to-gas heat exchanger with a non-constant cross sectional area is presented. The design of the cross sectional area of the heat exchanger analyzed is based on an hexagonal mesh, which would be high... Read More about Gas-to-gas heat exchanger design for high performance thermal energy storage.

Reducing weight and fuel consumption of civil aircraft by electromagnetic launch (2017)
Presentation / Conference Contribution
Bertola, L., Cox, T., Wheeler, P., Polenta, V., Garvey, S. D., & Morvan, H. Reducing weight and fuel consumption of civil aircraft by electromagnetic launch. Presented at ICAS 2017: 19th International Conference on Aeronautical Sciences

Electromagnetic launch systems have been proposed for military applications to accelerate jet planes on aircraft carriers. This paper proposes the implementation of similar technology to aid civil aircraft take-off, which can provide significant econ... Read More about Reducing weight and fuel consumption of civil aircraft by electromagnetic launch.

Parametric investigation of a non-constant cross sectional area air to air heat exchanger (2016)
Journal Article
Cárdenas, B., Garvey, S., Kantharaj, B., & Simpson, M. (2017). Parametric investigation of a non-constant cross sectional area air to air heat exchanger. Applied Thermal Engineering, 113, https://doi.org/10.1016/j.applthermaleng.2016.10.209

The present article addresses the design, mathematical modelling and analysis of a novel highly exergy-efficient air to air heat exchanger. An intricate design based on an hexagonal mesh is proposed for the cross-sectional area of the heat exchanger... Read More about Parametric investigation of a non-constant cross sectional area air to air heat exchanger.

Minimization of electro-mechanical interaction with posicast strategies for more-electric aircraft applications (2016)
Presentation / Conference Contribution
Ahumada, C., Garvey, S. D., Yang, T., Kulsangcharoen, P., Wheeler, P., & Morvan, H. Minimization of electro-mechanical interaction with posicast strategies for more-electric aircraft applications. Presented at 42nd Annual Conference of IEEE Industrial Electronics Society (IECON 2016)

This paper studies strategies to minimize the electromechanical interaction (EMI) within aircraft power systems. With the growth of electrical power on-board aircraft, the interaction between the electrical systems and the engine core will become sig... Read More about Minimization of electro-mechanical interaction with posicast strategies for more-electric aircraft applications.

Design study and scaled experiment of induction and synchronous motor for civil application of electromagnetic aircraft launch system (2016)
Presentation / Conference Contribution
Bertola, L., Cox, T., Wheeler, P., Garvey, S. D., & Morvan, H. Design study and scaled experiment of induction and synchronous motor for civil application of electromagnetic aircraft launch system. Presented at 18th Electromagnetic Launch Technology Symposium (EML)

The engine size of modern passenger transport aircraft is principally determined by take-off conditions, since initial acceleration requires maximum engine power. An Electromagnetic Launch (EML) system could provide some or all of the energy required... Read More about Design study and scaled experiment of induction and synchronous motor for civil application of electromagnetic aircraft launch system.

Superconducting electromagnetic launch system for civil aircraft (2016)
Journal Article
Bertola, L., Cox, T., Wheeler, P., Garvey, S. D., & Morvan, H. (2016). Superconducting electromagnetic launch system for civil aircraft. IEEE Transactions on Applied Superconductivity, 26(8), https://doi.org/10.1109/TASC.2016.2598772

This paper considers the feasibility of different superconducting technologies for electromagnetic launch (EML) to assist civil aircraft take-off. EML has the potential of reducing the required runway length by increasing aircraft acceleration. Expen... Read More about Superconducting electromagnetic launch system for civil aircraft.

Novel stiffeners exploiting internal pressurisation to enhance buckling behaviour under bending loads (2016)
Journal Article
Polenta, V., Garvey, S. D., Chronopoulos, D., Long, A. C., & Morvan, H. (2016). Novel stiffeners exploiting internal pressurisation to enhance buckling behaviour under bending loads. Thin-Walled Structures, 105, https://doi.org/10.1016/j.tws.2016.04.002

The paper proposes a novel type of stiffener designed to bear bending loads by exploiting internal pressure effects. The stiffener is made of two adjacent thin-walled pipes (r/t≥50) jointed with a connecting strip. Such a structure is shown to have h... Read More about Novel stiffeners exploiting internal pressurisation to enhance buckling behaviour under bending loads.

Electromagnetic launch systems for civil aircraft assisted take-off (2015)
Journal Article
Bertola, L., Cox, T., Wheeler, P., Garvey, S. D., & Morvan, H. (2015). Electromagnetic launch systems for civil aircraft assisted take-off. Archives of Electrical Engineering, 64(4), https://doi.org/10.1515/aee-2015-0039

This paper considers the feasibility of different technologies for an electromagnetic launcher to assist civil aircraft take-off. This method is investigated to reduce the power required from the engines during initial acceleration. Assisted launch h... Read More about Electromagnetic launch systems for civil aircraft assisted take-off.

Economic analysis of a hybrid energy storage system based on liquid air and compressed air (2015)
Journal Article
Pimm, A. J., Garvey, S. D., & Kantharaj, B. (2015). Economic analysis of a hybrid energy storage system based on liquid air and compressed air. Journal of Energy Storage, 4, 24-35. https://doi.org/10.1016/j.est.2015.09.002

A hybrid energy storage system is defined here as one which comprises two series-connected energy stores (using different storage technologies), only one of which is connected to the grid. Such a plant can take advantage of certain characteristics of... Read More about Economic analysis of a hybrid energy storage system based on liquid air and compressed air.

Compressed air energy storage with liquid air capacity extension (2015)
Journal Article
Kantharaj, B., Garvey, S. D., & Pimm, A. J. (2015). Compressed air energy storage with liquid air capacity extension. Applied Energy, 157, https://doi.org/10.1016/j.apenergy.2015.07.076

As renewable electricity generation capacity increases, energy storage will be required at larger scales. Compressed Air Energy Storage (CAES) at large scales, with effective management of heat, is recognised to have potential to provide affordable g... Read More about Compressed air energy storage with liquid air capacity extension.

Analysis of a wind turbine power transmission system with intrinsic energy storage capability (2015)
Journal Article
Garvey, S. D., Pimm, A. J., Buck, J. A., Woolhead, S., Liew, K. W., Kantharaj, B., Garvey, J. E., & Brewster, B. D. (2015). Analysis of a wind turbine power transmission system with intrinsic energy storage capability. Wind Engineering, 39(2), 149-173. https://doi.org/10.1260/0309-524X.39.2.149

A wind turbine transmission system is described wherein mechanical power directly from the slow rotation of the shaft of a large wind turbine rotor is carried over to electrical power through a synchronous generator via the circulation of a high pres... Read More about Analysis of a wind turbine power transmission system with intrinsic energy storage capability.

Optimal internal pressurisation of cylindrical shells for maximising their critical bending load (2014)
Journal Article
Polenta, V., Garvey, S., Chronopoulos, D., Long, A., & Morvan, H. P. (2015). Optimal internal pressurisation of cylindrical shells for maximising their critical bending load. Thin-Walled Structures, 87, 133-138. https://doi.org/10.1016/j.tws.2014.11.012

Modal Control of Vibration in Rotating Machines and Other Generally Damped Systems (2006)
Presentation / Conference Contribution
Houlston, P. R., Garvey, S. D., & Popov, A. A. Modal Control of Vibration in Rotating Machines and Other Generally Damped Systems. Presented at ISMA 2006 International Conference on Noise and Vibration Engineering

Second order matrix equations arise in the description of real dynamical systems. Traditional modal control approaches utilise the eigenvectors of the undamped system to diagonalise the system matrices. A regrettable consequence of this approach is t... Read More about Modal Control of Vibration in Rotating Machines and Other Generally Damped Systems.