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All Outputs (275)

Whole-life embodied carbon in multi-storey buildings: steel, concrete and timber structures (2021)
Journal Article
Hart, J., D'Amico, B., & Pomponi, F. (2021). Whole-life embodied carbon in multi-storey buildings: steel, concrete and timber structures. Journal of Industrial Ecology, 25(2), 403-418. https://doi.org/10.1111/jiec.13139

Buildings and the construction industry are top contributors to climate change, and structures account for the largest share of the upfront greenhouse gas emissions. Whilst a body of research exists into such emissions, a systematic comparison of mul... Read More about Whole-life embodied carbon in multi-storey buildings: steel, concrete and timber structures.

A novel automated louver with parametrically-angled reflective slats; design evaluation for better practicality and daylighting uniformity (2021)
Journal Article
Eltaweel, A., Su, Y., Mandour, M. A., & Elrawy, O. O. (2021). A novel automated louver with parametrically-angled reflective slats; design evaluation for better practicality and daylighting uniformity. Journal of Building Engineering, 42, Article 102438. https://doi.org/10.1016/j.jobe.2021.102438

Daylighting harvest systems have been improved in recent decades. They have been dramatically used in green buildings to achieve a more sustainable living environment. However, their cost, sizes, shapes, materials, accuracy and control methods are co... Read More about A novel automated louver with parametrically-angled reflective slats; design evaluation for better practicality and daylighting uniformity.

Topology optimization of multi-material structures with elastoplastic strain hardening model (2021)
Journal Article
Li, M., Deng, Y., Zhang, H., Wong, S. H. F., Mohamed, A., Zheng, Y., Gao, J., Yuen, T. Y. P., Dong, B., & Kuang, J. S. (2021). Topology optimization of multi-material structures with elastoplastic strain hardening model. Structural and Multidisciplinary Optimization, 64, 1141-1160. https://doi.org/10.1007/s00158-021-02905-3

The paper presents a new multi-material topology optimization method with novel adjoint sensitivity analysis that can accommodate not only multiple plasticity but also multiple hardening models for individual materials in composite structures. Based... Read More about Topology optimization of multi-material structures with elastoplastic strain hardening model.

A Comprehensive Review on the Application of Bioethanol/Biodiesel in Direct Injection Engines and Consequential Environmental Impact (2021)
Journal Article
Siddique, M. B. M., Khairuddin, N., Ali, N. A., Hassan, M. A., Ahmed, J., Kasem, S., Tabassum, M., & Afrouzi, H. N. (2021). A Comprehensive Review on the Application of Bioethanol/Biodiesel in Direct Injection Engines and Consequential Environmental Impact. Cleaner Engineering and Technology, 3, https://doi.org/10.1016/j.clet.2021.100092

Bioethanol/biodiesel are deemed a highly suitable alternative to conventional fuels in the near future due to their versatility in production techniques and operability. This paper examines the engine performance and possible scope of improvement in... Read More about A Comprehensive Review on the Application of Bioethanol/Biodiesel in Direct Injection Engines and Consequential Environmental Impact.

Application of the Gaussian Mixture Model to Classify Stages of Electrical Tree Growth in Epoxy Resin (2021)
Journal Article
Mas’ud, A. A., Sundaram, A., Ardila-Rey, J. A., Schurch, R., Muhammad-Sukki, F., & Bani, N. A. (2021). Application of the Gaussian Mixture Model to Classify Stages of Electrical Tree Growth in Epoxy Resin. Sensors, 21(7), Article 2562. https://doi.org/10.3390/s21072562

In high-voltage (HV) insulation, electrical trees are an important degradation phenomenon strongly linked to partial discharge (PD) activity. Their initiation and development have attracted the attention of the research community and better understan... Read More about Application of the Gaussian Mixture Model to Classify Stages of Electrical Tree Growth in Epoxy Resin.

A Planar Dual-Polarized Phased Array With Broad Bandwidth and Quasi-Endfire Radiation for 5G Mobile Handsets (2021)
Journal Article
Parchin, N. O., Zhang, J., Abd-Alhameed, R. A., Pedersen, G. F., & Zhang, S. (2021). A Planar Dual-Polarized Phased Array With Broad Bandwidth and Quasi-Endfire Radiation for 5G Mobile Handsets. IEEE Transactions on Antennas and Propagation, 69(10), 6410-6419. https://doi.org/10.1109/tap.2021.3069501

A planar dual-polarized phased array is proposed for 5G cellular communications. The array has the properties of dual-polarization, wideband, and quasi-endfire radiation, which is printed on one side of a single-layer substrate. The design contains t... Read More about A Planar Dual-Polarized Phased Array With Broad Bandwidth and Quasi-Endfire Radiation for 5G Mobile Handsets.

Bandwidth and Gain Enhancement of Composite Right Left Handed Metamaterial Transmission Line Planar Antenna Employing a Non Foster Impedance Matching Circuit Board (2021)
Journal Article
Alibakhshikenari, M., Virdee, B. S., Althuwayb, . A., Azpilicueta, L., Parchin, N., See, C. H., Abd-Alhameed, R., Falcone, F., Huynen, I., Denidni, T., & Limiti, E. (2021). Bandwidth and Gain Enhancement of Composite Right Left Handed Metamaterial Transmission Line Planar Antenna Employing a Non Foster Impedance Matching Circuit Board. Scientific Reports, 11, Article 7472 (2021). https://doi.org/10.1038/s41598-021-86973-x

5G microstrip patch antenna and microwave dielectric properties of cold sintered LiWVO6–K2MoO4 composite ceramics (2021)
Journal Article
Ma, M., Song, K., Ji, Y., Hussain, F., Khesro, A., Mao, M., Xue, L., Xu, P., Liu, B., Lu, Z., Zhou, D., Wang, D., & Sun, S. (2021). 5G microstrip patch antenna and microwave dielectric properties of cold sintered LiWVO6–K2MoO4 composite ceramics. Ceramics International, 47(13), 19241-19246. https://doi.org/10.1016/j.ceramint.2021.03.179

In this paper, (1-x)LiWVO6-xK2MoO4 (LWVO-KMO, x = 60, 65, 70, 75, 80, 90 wt%) composite ceramics with >92% relative density were prepared by cold sintering at 160 °C under a uniaxial pressure of 300 MPa for 1 h. X-ray diffraction (XRD), Scanning elec... Read More about 5G microstrip patch antenna and microwave dielectric properties of cold sintered LiWVO6–K2MoO4 composite ceramics.

Embodied carbon in commercial office buildings: Lessons learned from Sri Lanka (2021)
Journal Article
Nawarathna, A., Alwan, Z., Gledson, B., & Fernando, N. (2021). Embodied carbon in commercial office buildings: Lessons learned from Sri Lanka. Journal of Building Engineering, 42, Article 102441. https://doi.org/10.1016/j.jobe.2021.102441

Growing concerns over the importance of reducing the embodied carbon (EC1) of buildings have led to a greater focus on EC-related research and policymaking. Nevertheless, the Sri Lankan building sector is currently lagging behind on this issue. While... Read More about Embodied carbon in commercial office buildings: Lessons learned from Sri Lanka.

The chemical dynamics of hydrogen/hydrogen peroxide blends diluted with steam at compression ignition relevant conditions (2021)
Journal Article
Tingas, E.-A. (2021). The chemical dynamics of hydrogen/hydrogen peroxide blends diluted with steam at compression ignition relevant conditions. Fuel, 296, Article 120594. https://doi.org/10.1016/j.fuel.2021.120594

In the current work, the use of hydrogen peroxide as an additive to hydrogen/air mixtures is proposed and explored computationally, in conditions relevant to compression ignition engines. The hydrogen/hydrogen peroxide blends are supplemented with st... Read More about The chemical dynamics of hydrogen/hydrogen peroxide blends diluted with steam at compression ignition relevant conditions.

A New Estimate of Building Floor Space in North America (2021)
Journal Article
Arehart, J. H., Pomponi, F., D'Amico, B., & Srubar III, W. V. (2021). A New Estimate of Building Floor Space in North America. Environmental Science and Technology, 55(8), 5161-5170. https://doi.org/10.1021/acs.est.0c05081

Floor space is a key variable used to understand the energy and material demands of buildings. Using recent datasets of building footprints, we employ a random forest regression model to estimate the floor space of the North American building stock.... Read More about A New Estimate of Building Floor Space in North America.

Bounds for Lacunary maximal functions given by Birch–Magyar averages (2021)
Journal Article
Cook, B., & Hughes, K. (2021). Bounds for Lacunary maximal functions given by Birch–Magyar averages. Transactions of the American Mathematical Society, 374(6), 3859-3879. https://doi.org/10.1090/tran/8152

We obtain positive and negative results concerning lacunary discrete maximal operators defined by dilations of sufficiently nonsingular hypersurfaces arising from Diophantine equations in many variables. Our negative results show that this problem di... Read More about Bounds for Lacunary maximal functions given by Birch–Magyar averages.

Integration and optimisation of high-penetration Hybrid Renewable Energy Systems for fulfilling electrical and thermal demand for off-grid communities (2021)
Journal Article
Kahwash, F., Maheri, A., & Mahkamov, K. (2021). Integration and optimisation of high-penetration Hybrid Renewable Energy Systems for fulfilling electrical and thermal demand for off-grid communities. Energy Conversion and Management, 236, Article 114035. https://doi.org/10.1016/j.enconman.2021.114035

The recent steep decline in the cost of PV panels and wind turbines provides an opportunity to utilise Hybrid Renewable Energy Systems (HRES) to fulfil thermal loads as well as the electrical demand. Two coupled system architectures are proposed and... Read More about Integration and optimisation of high-penetration Hybrid Renewable Energy Systems for fulfilling electrical and thermal demand for off-grid communities.

On the dynamics of FG-GPLRC sandwich cylinders based on an unconstrained higher-order theory (2021)
Journal Article
Eyvazian, A., Sebaey, T. A., Żur, K. K., Khan, A., Zhang, H., & Wong, S. H. F. (2021). On the dynamics of FG-GPLRC sandwich cylinders based on an unconstrained higher-order theory. Composite Structures, 267, Article 113879. https://doi.org/10.1016/j.compstruct.2021.113879

In the present paper, a novel unconstrained higher-order theory (UCHOT) is applied to analyse the free vibration of cylindrical sandwich shells with nanocomposite face sheets reinforced with graphene platelets. UCHOT considers the shear and thickness... Read More about On the dynamics of FG-GPLRC sandwich cylinders based on an unconstrained higher-order theory.

Implementation and Evaluation of Physical, Hybrid, and Virtual Testbeds for Cybersecurity Analysis of Industrial Control Systems (2021)
Journal Article
Robles-Durazno, A., Moradpoor, N., McWhinnie, J., Russell, G., & Porcel-Bustamante, J. (2021). Implementation and Evaluation of Physical, Hybrid, and Virtual Testbeds for Cybersecurity Analysis of Industrial Control Systems. Symmetry, 13(3), Article 519. https://doi.org/10.3390/sym13030519

Industrial Control Systems are an essential part of our daily lives and can be found in industries such as oil, utilities, and manufacturing. Rapid growth in technology has introduced industrial components with network capabilities that allow them to... Read More about Implementation and Evaluation of Physical, Hybrid, and Virtual Testbeds for Cybersecurity Analysis of Industrial Control Systems.

The greenhouse gas emissions of nuclear energy – Life cycle assessment of a European pressurised reactor (2021)
Journal Article
Pomponi, F., & Hart, J. (2021). The greenhouse gas emissions of nuclear energy – Life cycle assessment of a European pressurised reactor. Applied Energy, 290, Article 116743. https://doi.org/10.1016/j.apenergy.2021.116743

Nuclear energy contributes ~10% of the global electricity generation and different views exist on its carbon-intensity and sustainability. Context is crucial to determine the sustainability of new nuclear power generators, making the existence of a g... Read More about The greenhouse gas emissions of nuclear energy – Life cycle assessment of a European pressurised reactor.

Common design structures and substitutable feature discovery in CAD databases (2021)
Journal Article
Vasantha, G., Purves, D., Quigley, J., Corney, J., Sherlock, A., & Randika, G. (2021). Common design structures and substitutable feature discovery in CAD databases. Advanced engineering informatics, 48, Article 101261. https://doi.org/10.1016/j.aei.2021.101261

It has been widely reported that the reuse of previously created components, or features, in new engineering designs will improve the efficiency of a company’s product development process. Although the reuse of engineering components has established... Read More about Common design structures and substitutable feature discovery in CAD databases.

Effects of Pedagogical Transition on Classroom Design (2021)
Presentation / Conference Contribution
Lam, E., Chan, D., & Olawumi, T. (2021, March). Effects of Pedagogical Transition on Classroom Design. Paper presented at 5th CU Construction Conference, Online

Active learning has played an important role in recent years as it carries a highly positive effect of improving students' learning attitude and successiveness. Indeed, classroom design is a determinative factor in the performance of learning and tea... Read More about Effects of Pedagogical Transition on Classroom Design.