Outputs (351)

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.

The analysis and presentation of patents to support engineering design (2017)
Presentation / Conference Contribution
Vasantha, G., Corney, J., Maclachlan, R., & Wodehouse, A. (2016, June). The analysis and presentation of patents to support engineering design. Presented at 7th International Conference on Design Computing and Cognition, Evanston (Chicago), United States

This paper explores the role of patents in engineering design, and how the extraction and presentation of patent data could be improved for designers. We propose the use of crowdsourcing as a means to post tasks online for a crowd of people to partic... Read More about The analysis and presentation of patents to support engineering design.

Mathematical Model for Calibration of Potential Detection of Nonlinear Responses in Biological Media Exposed to RF Energy (2017)
Journal Article
See, C. H., Abd-Alhameed, R. A., Mirza, A. F., McEwan, N. J., Excell, P. S., & Balzano, Q. (2017). Mathematical Model for Calibration of Potential Detection of Nonlinear Responses in Biological Media Exposed to RF Energy. The Applied Computational Electromagnetics Society Journal, 32(1), 1-7

An efficient way to test for potential unsymmetrical nonlinear responses in biological tissue samples exposed to a microwave signal is to observe the second harmonic in a cavity resonant at the two frequencies, with collocated antinodes. Such a respo... Read More about Mathematical Model for Calibration of Potential Detection of Nonlinear Responses in Biological Media Exposed to RF Energy.

Industrial challenges in patent management for design innovation (2016)
Presentation / Conference Contribution
Vasantha, G., Wodehouse, A., Corney, J., MacLachlan, R., & Jagadeesan, A. (2016, June). Industrial challenges in patent management for design innovation. Presented at 23rd Innovation and Product Development Management Conference, Glasgow, UK

Innovation is critical to sustain in prevailing competitive business environments. Industries need effective innovation strategies in-practice to develop and deliver novel products and services swiftly. In order to implement innovation strategies eff... Read More about Industrial challenges in patent management for design innovation.

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.

Conical beam monopole antenna design for Chinese area positioning system (2016)
Journal Article
Pang, F., Ai, G., Yin, J., Ma, Y., Hu, C., Cui, J., Ma, L., See, C. H., & Abd-Alhameed, R. A. (2016). Conical beam monopole antenna design for Chinese area positioning system. Progress in Electromagnetics Research C: PIER C, 68, 193-200. https://doi.org/10.2528/pierc16083005

This article describes the operational principle of the satellite-based Chinese Area Positioning System (CAPS) and proposes a monopole antenna for a large anchored buoy platform in harsh marine environment. The proposed antenna is highly omnidirectio... Read More about Conical beam monopole antenna design for Chinese area positioning system.

Evaluating the cost of disruption in office retrofit building projects (2016)
Presentation / Conference Contribution
Tokede, O., Gupta, N., & Wamuziri, S. (2016, October). Evaluating the cost of disruption in office retrofit building projects. Presented at 10th ICEC World Congress & Council Meeting

The purpose of this paper is to evaluate the cost of disruption in office retrofit building projects.

This work adopts a positivist approach and evaluates the cost of disruption based on the estimated level of disruptiveness of retrofit technolog... Read More about Evaluating the cost of disruption in office retrofit building projects.

Microwave devices for controlling surface waves (2016)
Presentation / Conference Contribution
La Spada, L., & Hao, Y. (2016, August). Microwave devices for controlling surface waves. Presented at 2016 URSI International Symposium on Electromagnetic Theory (EMTS), Espoo, Finland

In the last few years, great interest grown up in the control and manipulation of electromagnetic surface wave. The aim of this paper is to present a novel approach to design new devices able to manipulate them. To validate the proposed design, two s... Read More about Microwave devices for controlling surface waves.

A compact and broadband balun design for LTE applications (2016)
Journal Article
Elfergani, I. T. E., Hussaini, A. S., Rodriguez, J., Ali, A. H., See, C. H., & Abd-Alhameed, R. A. (2016). A compact and broadband balun design for LTE applications. Progress in electromagnetics research B: PIER B, 67, 85-95. https://doi.org/10.2528/pierc16071805

In this paper, a compact wideband planar balun is studied and investigated. The proposed balun comprises a broadband Wilkinson divider followed by non-coupled lines to attain wideband 180° phase shift. Due to the inherent broadband characteristics of... Read More about A compact and broadband balun design for LTE applications.

A combined experimental and numerical study of the pull-out mechanism of threaded titanium bars embedded in marble blocks (2016)
Presentation / Conference Contribution
Kourkoulis, S. K., Marinelli, A., & Dakanali, I. (2016, June). A combined experimental and numerical study of the pull-out mechanism of threaded titanium bars embedded in marble blocks. Presented at ECCOMAS congress 2016: VII European Congress on Computational Methods in Applied Sciences and Engineering, Crete Island, Greece

The present study describes the first stage of an ongoing research project aiming to investigate the failure mechanisms activated when reinforcing bars are pulled-out from the body of the reinforced element. Attention is given to the progressive fail... Read More about A combined experimental and numerical study of the pull-out mechanism of threaded titanium bars embedded in marble blocks.

Ribbed-plate Approach to Predict Static and Dynamic Responses of Timber Floor with Between-Joist Bracing (2016)
Presentation / Conference Contribution
Khokhar, A., & Chui, Y. (2016, August). Ribbed-plate Approach to Predict Static and Dynamic Responses of Timber Floor with Between-Joist Bracing. Presented at World Conference on Timber Engineering

Installing between-joist bracing can be an economical and effective means of mitigating excessive vibration levels in wood floors associated to human discomfort. Effectiveness of between-joist bracing depends upon its own rigidity that accounts for t... Read More about Ribbed-plate Approach to Predict Static and Dynamic Responses of Timber Floor with Between-Joist Bracing.