All Outputs (21)
PM2. 5 and NO2 exposure in different vehicle cabins with standard pollen and activated carbon filters (2022)
Conference Proceeding
Vehicle cabins are confined spaces where air quality can easily be reduced or improved by a combination of: ventilation settings, cabin air filter and route choice. By regulating the indoor-outdoor exchange rate using the vehicle's ventilation system... Read More about PM2. 5 and NO2 exposure in different vehicle cabins with standard pollen and activated carbon filters.
Numerical Investigation of Impulse Waves Impacting on Dams (2022)
Conference Proceeding
Impulse waves are generated by landslides, rockfalls and iceberg calving in water bodies such as lakes and reservoirs. These waves represent a persistent danger for dams, e.g. in the 1963 Vajont disaster an impulse wave impacted and overtopped the Va... Read More about Numerical Investigation of Impulse Waves Impacting on Dams.
Numerical Investigation of Landslide-Tsunamis Generated by Different Mass Movement Types (2022)
Conference Proceeding
Landslide-tsunamis, also called impulse waves, are generated by mass movements, such as landslides, rock falls or iceberg calving, impacting into a water body. Past cases such as the Vajont landslide-tsunami event, which caused approximately 2000 cas... Read More about Numerical Investigation of Landslide-Tsunamis Generated by Different Mass Movement Types.
New Physical Insight into Landslide-Tsunamis Using Non-Linear Wave Decomposition (2022)
Conference Proceeding
Potentially devastating tsunamis are generated by landslides impacting into water bodies. Such subaerial landslide-tsunamis are typically predicted with empirical equations, which, however, fail to appropriately capture some of the underlying physics... Read More about New Physical Insight into Landslide-Tsunamis Using Non-Linear Wave Decomposition.
Numerical Investigation of Waves Interacting with Rigid and Flexible Plates (2022)
Conference Proceeding
The physics governing the impact of waves on coastal structures, referred to as wave-structure interaction (WSI), pose a serious challenge for a range of coastal applications such as oil and gas rigs, offshore wind turbine platforms, breakwaters, flo... Read More about Numerical Investigation of Waves Interacting with Rigid and Flexible Plates.
Analytical and Numerical Study of Novel Scaling Laws for Air-Water Flows (2022)
Conference Proceeding
Physical modelling in the laboratory is widely used for hydraulic investigations. Froude similarity results in significant scale effects in small models for flows involving air-entrainment. Such air-water flows are essential for many hydraulic applic... Read More about Analytical and Numerical Study of Novel Scaling Laws for Air-Water Flows.
Analysis of Using a Thermoelectric Module for Power Electronics Cooling (2022)
Conference Proceeding
This paper aims to develop a PLECS equivalent circuit of a thermoelectric module to be used in power electronics cooling applications. The proposed model is built using elements from the PLECS thermal model block-set. To test this, a resistive c dev... Read More about Analysis of Using a Thermoelectric Module for Power Electronics Cooling.
Adjoint-aided inference of Gaussian process driven differential equations (2022)
Conference Proceeding
Linear systems occur throughout engineering and the sciences, most notably as differential equations. In many cases the forcing function for the system is unknown, and interest lies in using noisy observations of the system to infer the forcing, as w... Read More about Adjoint-aided inference of Gaussian process driven differential equations.
An improved SiC-MOSFET model with focus on internal stray inductance and body diode stored charge for switching transients (2022)
Conference Proceeding
Accurate switching transients modelling is important for SiC power converter layout optimisation. A SiC-MOSFET manufacturer model is used as a reference. Although the manufacturer model correctly represents device output and capacitance characteristi... Read More about An improved SiC-MOSFET model with focus on internal stray inductance and body diode stored charge for switching transients.
Influence of Current Collapse due to Vds Bias Effect on GaN-HEMTs Id-Vds Characteristics in Saturation Region (2022)
Conference Proceeding
A new method is proposed in this paper to investigate the influence of current collapse effect on the Id-Vds characteristics of GaN-HEMTs in high voltage region based on a modified H-bridge circuit. The measured Id-Vds characteristics with and witho... Read More about Influence of Current Collapse due to Vds Bias Effect on GaN-HEMTs Id-Vds Characteristics in Saturation Region.
Challenging poor recruitment practice: Fair Library Jobs (2022)
Conference Proceeding
Hybrid Power Drive Solution for Increased Sustainability in Aircraft Actuation Systems (2022)
Conference Proceeding
As aircraft become more electric, power electronic solutions are increasing in importance. Hydraulic and pneumatic systems are being replaced with more sustainable electronic alternatives which offer significant advantages including lower weight, les... Read More about Hybrid Power Drive Solution for Increased Sustainability in Aircraft Actuation Systems.
Responsible AI, SDGs, and AI Governance in Africa (2022)
Conference Proceeding
More than ever before, AI is now an area of national strategic importance. This has become quite evident with the proliferation of national AI strategies since the first was launched in Canada in 2017. There is now an ever-growing body of national AI... Read More about Responsible AI, SDGs, and AI Governance in Africa.
Metaverse: The Vision for the Future (2022)
Conference Proceeding
In recent years, the notion of the Metaverse has become the focus of a growing body of work in the industry. However, there is no consensus on the conceptualization in academia. To date, much of this attention has revolved around technological challe... Read More about Metaverse: The Vision for the Future.
Phase Reconfiguration via SIW Structures Filled with Liquid Metal (2022)
Conference Proceeding
This paper presents substrate integrated waveguide (SIW) phase shifter that can be reconfigured using liquid metal. The phase shifter is developed to be used for antenna applications. This digital phase shifter incorporates a series of holes which ca... Read More about Phase Reconfiguration via SIW Structures Filled with Liquid Metal.
Liquid Metal Enabled SIW Vias and RF Blocking Walls for Reconfigurable Antennas (2022)
Conference Proceeding
This paper presents a method for designing reconfigurable microwave devices based on substrate integrated waveguides (SIW) technology. The method involves forming walls from drill holes that can be filled with liquid metal to form vias. Furthermore,... Read More about Liquid Metal Enabled SIW Vias and RF Blocking Walls for Reconfigurable Antennas.
A Bio-degradable Textile-Based Graphene Antenna for the 5G Smart Wearables (2022)
Conference Proceeding
This paper proposes a bio-degradable antenna design well-suited for the 5 th generation (5G) wearables. This antenna has a graphene patterning instead of conventional metallization on a textile substrate to make it eco-friendly as it avoids copper co... Read More about A Bio-degradable Textile-Based Graphene Antenna for the 5G Smart Wearables.
3D Printed Slotted Waveguide Antenna Array for Millimeter-wave Communication Systems (2022)
Conference Proceeding
This paper introduces a 3D printed slotted waveguide linear antenna array at 28 GHz. The proposed antenna offers the advantages of low fabrication cost and reduced weight compared to the metallic slotted waveguide antenna array. The proposed design c... Read More about 3D Printed Slotted Waveguide Antenna Array for Millimeter-wave Communication Systems.