Engineering
Recent Submissions
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Phase-change metadevices for the dynamic and reconfigurable control of light
(Optical Society of America, 2018-07-05)The combination of chalcogenide phase-change materials with optical metamaterial arrays is exploited to create new forms of dynamic, tuneable and reconfigurable photonic devices including perfect absorbers, modulators, ... -
Threshold voltage control to improve energy utilization efficiency of a power management circuit for energy harvesting applications
(MDPI, 2018)This work presents a design approach that improves power management circuit (PMC) for energy harvesting applications so that more of the harvested energy can be utilized by the wireless sensor nodes (WSNs) to perform ... -
Vibration Energy Harvesting Powered Wireless Sensor Network for Structural Health Monitoring
(Institute of Electrical and Electronics Engineers (IEEE), 2018)This work presents a batteryless SmartMesh IP wireless sensor node powered by energy harvesting. A strain energy harvester was subjected to different simulated vibration profiles which can occur in engineering structures ... -
Auxetic structure for increased power output of strain vibration energy harvester (article)
(Elsevier, 2018-09-08)This paper develops an auxetic (negative Poisson’s ratio) piezoelectric energy harvester (APEH) to increase the power output when harnessing strain energy. The APEH consists of a piezoelectric element bonded to an auxetic ... -
Auxetic structure for increased power output of strain vibration energy harvester (dataset)
(University of Exeter, 2018-09-13)This paper develops an auxetic (negative Poisson’s ratio) piezoelectric energy harvester (APEH) to increase the power output when harnessing strain energy. The APEH consists of a piezoelectric element bonded to an auxetic ... -
A Multi Expert Decision Support Tool for the Evaluation of Advanced Wastewater Treatment Trains: A Novel Approach to Improve Urban Sustainability
(Elsevier, 2018)Wastewater Treatment (WWT) for water reuse applications has been accepted as a strategic solution in improving water supplies across the globe; however, there are still various challenges that should be overcome. Selection ... -
Flood Impacts on Road Transportation Using Microscopic Traffic Modelling Techniques
(Springer, 2018-07-14)This paper proposes a novel methodology for modelling the impacts of floods on traffic. Often, flooding is a complex combination of various causes (coastal, fluvial and pluvial). Further, transportation systems are very ... -
An analytical approach to probabilistic modeling of liquefaction based on shear wave velocity
(Springer, 2018-09-15)Evaluation of liquefaction potential of soils is an important step in many geotechnical investigations in regions susceptible to earthquake. For this purpose, the use of site shear wave velocity (Vs) provides a promising ... -
Experimental and numerical study of the behaviour of shallow rectangular tunnels
(JVE International, 2018-06-30)The behavior of an underground structure under dynamic loading is affected by many factors such as shape, depth and stiffness of the structure as well as the frequency content of the input motion. Scarcity of experimental/field ... -
Impacts of heating and surfactant treatments on the geotechnical properties of a cohesive soil
(Elsevier, 2017-12-02)An experimental investigation was performed to assess the effect of heating and surfactant on treatment of a soil contaminated with gasoline. Contaminated soil samples were prepared by adding 5, 10 and 15% weight of gasoline ... -
Electrokinetic Remediation of a Soil Contaminated with Anthracene Using Different Surfactants
(Mary Ann Liebert, 2018-06-08)Electrokinetic technique is one of the common methods that can be used for removal of organic contaminants in soil. There are some organic contaminants with low solubility in water. To improve the efficiency of remediation ... -
A new method to prepare composite powders customized for high temperature laser sintering
(Elsevier, 2018-08-13)Composites have the potential to enhance the mechanical properties of components fabricated by additive manufacturing; however, the bottleneck is the limited number of polymeric composite powders available for this ... -
Analysis of Soil-Compacting Effect Caused by Shield Tunneling Using Three-Dimensional Elastoplastic Solution of Cylindrical Cavity Expansion
(Hindawi Publishing Corporation, 2018-05-27)Soil squeezing effect and formation disturbance caused by tunnel excavation can be simulated by cylindrical cavity expansion due to the comparability between tunneling and cavity expansion. Although most of the existing ... -
Properties of sediments deposited in a fluid with different pH
(Taylor & Francis, 2018-07-19)The effect of pH on the physical and mechanical properties of a sediment was investigated through a set of experimental tests. The sediment was formed from deposition of suspended particles in a fluid. Two different types ... -
Scaled boundary point interpolation method for seismic soil-tunnel interaction analysis
(Elsevier, 2018-05-25)The scaled boundary method (SBM) is an effective numerical approach for analyzing elasto-statics of bounded and unbounded media. To enhance abilities of the scaled boundary approach, this method can be coupled with mesh ... -
Effect of Quality Electrolyte Fluid on Removing MTBE from a Clay Soil Using Electrokinetic Technique
(American Society of Civil Engineers, 2018-07-27)Methyl tertiary butyl ether (MTBE) is a chemical product and the most commonly used gasoline oxygenate. It is characterized as a pollutant for soil and water that has effects on human health. Research on the remediation ... -
Impact of water and solution of glycerol on the treatment of sediment by cement
(Taylor & Francis for International Society for Concrete Pavements, 2018-05-24)In this paper, the effect of glycerol solution on the behaviour of a sediment of a clay soil and its treatment was investigated through a programme of experimental tests. Laboratory tests were conducted to study settlement ... -
Influence of synthesis parameters on amorphous manganese dioxide catalyst electrocatalytic performance
(Elsevier for International Society of Electrochemistry (ISE), 2017-06-01)Oxygen reduction reaction (ORR) catalysts with applications in fuel cells and metal-air batteries can be tailored to overcome the slow kinetics and to reduce overpotentials of the reaction. In this work, a series of amorphous ... -
The characteristics and performance of hybrid redox flow batteries with zinc negative electrodes for energy storage
(Elsevier, 2018-04-24)Zinc negative electrodes are well known in primary batteries based on the classical Leclanché cell but a more recent development is the introduction of a number of rechargeable redox flow batteries for pilot and commercial ...