Outputs (341)

Current technologies and location based services (2017)
Presentation / Conference Contribution
Ahmad, I., Asif, R., Abd-Alhameed, R., Alhassan, H., Elmegri, F., Noras, J., See, C., Obidat, H., Shuaieb, W., Riberio, J., Hameed, K., Alabdullah, A., Ali, A., Bin Melha, M., Al Khambashi, M., Migdadi, H., Child, M., Al-Sadoon, M., Abdussalam, F., Dunjuma, I., …Jones, S. (2017, September). Current technologies and location based services. Presented at 2017 Internet Technologies and Applications (ITA), Wrexham

This paper examines the benefits and drawbacks of these services, reviewing differences in infrastructure, power requirements, sensing devices, and other factors. Technologies covered include Radio Frequency Identification, GSM, GPS, A-GPS, Smart Ant... Read More about Current technologies and location based services.

Near-zero-index wires. (2017)
Journal Article
La Spada, L., & Vegni, L. (2017). Near-zero-index wires. Optics express, 25(20), 23699-23708. https://doi.org/10.1364/oe.25.023699

In this work, near-zero-index material boundary properties have been exploited to achieve new electromagnetic functionalities. The extraordinary guiding properties of a cylindrical dielectric rod waveguide surrounded by a thin epsilon-mu-near-zero sh... Read More about Near-zero-index wires..

Electroless Ni-P\alginate microgels coatings with self-healing properties (2017)
Presentation / Conference Contribution
Stankiewicz, A., Winiarski, J., Zielinska, K., & Barker, M. (2017, September). Electroless Ni-P\alginate microgels coatings with self-healing properties. Presented at EUROCORR 2017

Self-healing coatings, offering corrosion protection on an alloy steel substrate, were fabricated by electroless co-deposition of a Ni-P matrix together with alginate microgels incorporating nickel saltsand sodium hypophosph... Read More about Electroless Ni-P\alginate microgels coatings with self-healing properties.

Modeling and design for electromagnetic surface wave devices (2017)
Journal Article
La Spada, L., Haq, S., & Hao, Y. (2017). Modeling and design for electromagnetic surface wave devices. Radio Science, 52(9), 1049-1057. https://doi.org/10.1002/2017rs006379

A great deal of interest has reemerged recently in the study of surface waves. The possibility to control and manipulate electromagnetic wave propagations at will opens many new research areas and leads to lots of novel applications in engineering. I... Read More about Modeling and design for electromagnetic surface wave devices.

Comparison of Electromagnetic Performance of 10-MW Superconducting Generators With Different Topologies for Offshore Direct-Drive Wind Turbines (2017)
Journal Article
Guan, Y., Zhu, Z. Q., Azar, Z., Thomas, A. S., Vedreño-Santos, F., Li, G.-J., & Odavic, M. (2017). Comparison of Electromagnetic Performance of 10-MW Superconducting Generators With Different Topologies for Offshore Direct-Drive Wind Turbines. IEEE Transactions on Applied Superconductivity, 27(7), 1-11. https://doi.org/10.1109/tasc.2017.2732289

This paper compares the electromagnetic performance of 10MW superconducting (SC) generators with three different topologies, i.e., iron-cored stator and rotor (ISIRT), iron-cored stator and air-cored rotor (ISART), and air-cored stator and rotor (ASA... Read More about Comparison of Electromagnetic Performance of 10-MW Superconducting Generators With Different Topologies for Offshore Direct-Drive Wind Turbines.

Direct flux control – sensorless control method of PMSM for all speeds – basics and constraints (2017)
Journal Article
Müller, T., See, C. H., Ghani, A., Bati, A., & Thiemann, P. (2017). Direct flux control – sensorless control method of PMSM for all speeds – basics and constraints. Electronics Letters, 53(16), 1110-1111. https://doi.org/10.1049/el.2017.1772

The limitations of sensorless control of permanent magnet synchronous machines (PMSMs) are discussed and a viable solution is proposed. The main concept of sensorless control of drives relies on additional information given by the machine during its... Read More about Direct flux control – sensorless control method of PMSM for all speeds – basics and constraints.

Seismic performance of strip foundations on liquefiable soils with a permeable crust (2017)
Journal Article
Dimitriadi, V., Bouckovalas, G., & Papadimitriou, A. (2017). Seismic performance of strip foundations on liquefiable soils with a permeable crust. Soil Dynamics and Earthquake Engineering, 100, 396-409. https://doi.org/10.1016/j.soildyn.2017.04.021

Modern seismic codes dictate that the use of shallow foundations on liquefiable soils may be considered only after appropriate ground improvement. No further instructions are given regarding the improvement depth, or what changes if the surface layer... Read More about Seismic performance of strip foundations on liquefiable soils with a permeable crust.

Link Budget Maximization for a Mobile-Band Subsurface Wireless Sensor in Challenging Water Utility Environments (2017)
Journal Article
See, C. H., Abd-Alhameed, R. A., Atojoko, A. A., McEwan, N. J., & Excell, P. S. (2018). Link Budget Maximization for a Mobile-Band Subsurface Wireless Sensor in Challenging Water Utility Environments. IEEE Transactions on Industrial Electronics, 65(1), 616-625. https://doi.org/10.1109/tie.2017.2719602

A subsurface chamber transceiver system and associated propagation channel link budget considerations for an underground wireless sensor system (UWSS) are presented: the application was a sewerage system for a water utility company. The UWSS operates... Read More about Link Budget Maximization for a Mobile-Band Subsurface Wireless Sensor in Challenging Water Utility Environments.

Miniaturized Balanced Antenna with Integrated Balun for Practical LTE Applications (2017)
Journal Article
Elfergani, I. T. E., Rodriguez, J., Abdussalam, F. M., See, C. H., & Abd-Alhameed, R. A. (2017). Miniaturized Balanced Antenna with Integrated Balun for Practical LTE Applications. Radioengineering, 26(2), 444-452. https://doi.org/10.13164/re.2017.0444

A design of dual-band balanced antenna structure operating in the 700 and 2600MHz LTE bands is studied and investigated. The overall dimensions of the radiator are 50 × 18 × 7 mm3 allowing it to be easily concealed within mobile handsets. A broad-ban... Read More about Miniaturized Balanced Antenna with Integrated Balun for Practical LTE Applications.

Preliminary study on the relationship between statistical entropy coordinates and the mechanical behaviour of granular materials (2017)
Presentation / Conference Contribution
Barreto Gonzalez, D., & Imre, E. (2017, May). Preliminary study on the relationship between statistical entropy coordinates and the mechanical behaviour of granular materials. Presented at 14th Joint European Thermodynamics Conference, Budapest, Hungary

No abstract available.

Tailoring of electromagnetic waves by metasurfaces (2017)
Presentation / Conference Contribution
Spada, L. L., & Hao, Y. (2017, March). Tailoring of electromagnetic waves by metasurfaces. Presented at 2017 11th European Conference on Antennas and Propagation (EUCAP), Paris, France

In the last few years, non-homogeneous metasurfaces captured huge interest in tailoring electromagnetic waves, ranging from microwave to optical frequencies. Several technologies have been proposed, but a general design approach is still missing: the... Read More about Tailoring of electromagnetic waves by metasurfaces.

PV electrical parameters degradation analysis-Oman perspective (2017)
Presentation / Conference Contribution
Honnurvali, M. S., & Gupta, N. (2017, March). PV electrical parameters degradation analysis-Oman perspective. Presented at 2017 8th International Renewable Energy Congress (IREC), Amman, Jordan

Recent interests in exploring the potential of renewable energy possibilities and readiness in sultanate of Oman has showed that it can engage renewable energy technologies, such as solar, wind power and various hybrid power models to mitigate fossil... Read More about PV electrical parameters degradation analysis-Oman perspective.

The influence of particle geometry and the intermediate stress ratio on the shear behavior of granular materials (2017)
Journal Article
Xie, Y. H., Yang, Z. X., Barreto, D., & Jiang, M. D. (2017). The influence of particle geometry and the intermediate stress ratio on the shear behavior of granular materials. Granular Matter, 19(2), 34-48. https://doi.org/10.1007/s10035-017-0723-8

The behavior of granular materials is very complex in nature and depends on particle shape, stress path, fabric, density, particle size distribution, amongst others. This paper presents a study of the effect of particle geometry (aspect ratio) on the... Read More about The influence of particle geometry and the intermediate stress ratio on the shear behavior of granular materials.

Exploring multi-objective trade-offs in the design space of a waste heat recovery system (2017)
Journal Article
Mokhtar, M., Burns, S., Ross, D., & Hunt, I. (2017). Exploring multi-objective trade-offs in the design space of a waste heat recovery system. Applied Energy, 195, 114-124. https://doi.org/10.1016/j.apenergy.2017.03.030

A waste heat recovery system (WHRS) is used to capture waste heat released from an industrial process, and transform the heat into reusable energy. In practice, it can be difficult to identify the optimal form of a WHRS for a particular installation,... Read More about Exploring multi-objective trade-offs in the design space of a waste heat recovery system.

Methods for differential protection of Scott transformers (2017)
Journal Article
Sorrentino, E., Gupta, N., & Oliveros, E. (2017). Methods for differential protection of Scott transformers. Electric Power Systems Research, 147, 55-61. https://doi.org/10.1016/j.epsr.2017.02.018

This article describes different methods for the differential protection of Scott transformers, which are based on: (a) single-phase relays, (b) 3-phase relays for two-winding transformers, (c) 3-phase relays for multi-winding transformers, (d) speci... Read More about Methods for differential protection of Scott transformers.

Interactional Differences and Effects Between Collocated and Distributed Design (2017)
Presentation / Conference Contribution
Vasantha, G. A., Ramesh, H. P., Sugavanam, C. M., Chakrabarti, A., Corney, J., & Wodehouse, A. (2017, January). Interactional Differences and Effects Between Collocated and Distributed Design. Presented at International Conference on Research into Design ICoRD 2017: Research into Design for Communities, Guwahati, India

Interactions (i.e. modes of operations through which product development knowledge is generated and externalized in the design process) play a vital role in knowledge processes of product development. Intentional or unintentional changes in interacti... Read More about Interactional Differences and Effects Between Collocated and Distributed Design.

An Active Microwave Sensor for Near Field Imaging (2017)
Journal Article
Mirza, A. F., See, C. H., Danjuma, I. M., Asif, R., Abd-Alhameed, R. A., Noras, J. M., Clarke, R. W., & Excell, P. S. (2017). An Active Microwave Sensor for Near Field Imaging. IEEE Sensors Journal, 17(9), 2749-2757. https://doi.org/10.1109/jsen.2017.2673961

Near field imaging using microwaves in medical applications is of great current interest for its capability and accuracy in identifying features of interest, in comparison with other known screening tools. This paper documents microwave imaging exper... Read More about An Active Microwave Sensor for Near Field Imaging.

Structural Health Monitoring Using Textile Reinforcement Structures with Integrated Optical Fiber Sensors (2017)
Journal Article
Bremer, K., Weigand, F., Zheng, Y., Alwis, L. S., Helbig, R., & Roth, B. (2017). Structural Health Monitoring Using Textile Reinforcement Structures with Integrated Optical Fiber Sensors. Sensors, 17(2), 345. https://doi.org/10.3390/s17020345

Optical fiber-based sensors " embedded " in functionalized carbon structures (FCSs) and textile net structures (TNSs) based on alkaline-resistant glass are introduced for the purpose of structural health monitoring (SHM) of concrete-based structures.... Read More about Structural Health Monitoring Using Textile Reinforcement Structures with Integrated Optical Fiber Sensors.

Surface wave manipulation based on transformation optics: From design to manufacturing (2017)
Presentation / Conference Contribution
La Spada, L., & Hao, Y. (2016, October). Surface wave manipulation based on transformation optics: From design to manufacturing. Presented at 2016 International Symposium on Antennas and Propagation (ISAP), Okinawa, Japan

In the last few years, much interest has grown in the control and manipulation of electromagnetic surface waves. The aim of this paper is to present a new design and manufacturing approach based on Transformation Optics. To validate the proposed desi... Read More about Surface wave manipulation based on transformation optics: From design to manufacturing.

A pilot study: Evaluation of sensor system design for optical fibre humidity sensors subjected to aggressive air sewer environment (2017)
Presentation / Conference Contribution
Alwis, L. S. M., Bustamante, H., Bremer, K., Roth, B., Sun, T., & Grattan, K. T. V. (2016, October). A pilot study: Evaluation of sensor system design for optical fibre humidity sensors subjected to aggressive air sewer environment. Presented at 2016 IEEE SENSORS

Research has identified that humidity plays a fundamental role on the conversion of hydrogen sulphide into sulphuric acid during corrosion of concrete in gravity sewers and that potentially minor reductions in humidity can reduce corrosion rates. The... Read More about A pilot study: Evaluation of sensor system design for optical fibre humidity sensors subjected to aggressive air sewer environment.