NEWS

An overview: The deployment of a spinning solar sail

15 July 2020Posted by Electrical and Electronic EngineeringGeneral News

Interest in solar sailing – a revolutionary way to propel spacecraft through space – has piqued in recent years which lead to significant research and resources being contributed to developing …

An overview: Virtual reality assisted microscopy data visualisation and colocalization analysis

6 July 2020Posted by Electrical and Electronic EngineeringGeneral Newscolocalization analysis, hand tracking, virtual reality

Traditionally, biological visualisation was limited to two-dimensional displays only. Until recently, using three-dimensional displays for quantitative signal assessment, including precise signal selection, processing of multiple signals and determining their spatial …

Developing a continuous flow sterilisation system using microwaves

24 June 2020Posted by Electrical and Electronic EngineeringGeneral Newscontinuous flow sterilisation system, microwaves, sterilisation

The Department of Electric and Electronic Engineering recently developed a system to sterilise a fluid using only microwaves. This continuous flow system was designed to be used for the sterilisation …

Staff at the Department of Electrical and Electronic Engineering rises to the challenge during COVID-19 pandemic

18 June 2020Posted by Electrical and Electronic EngineeringGeneral Newslockdown, register for 2021, teaching and learning

The COVID-19 pandemic has brought with it many teaching and learning challenges in higher education. As the lockdown took root, and new rules were ushered in on social distancing, it …

Faculty of Electric and Electronic Engineering partners with the Kavli Foundation on REACH experiment

27 May 2020Posted by Electrical and Electronic EngineeringGeneral Newsbig bang, karoo, Radio Experiment for the Analysis of Cosmic Hydrogen

REACH is a joint venture between the University of Cambridge and Stellenbosch University in South Africa. With primary funding for hardware and logistics from the Kavli Foundation (through the Kavli Institute for …

Water surface modelling for floating photovoltaic systems

6 May 2020Posted by Electrical and Electronic EngineeringGeneral Newsfloating PV, reflected radiation, water surface albedo

The global demand for energy is rapidly increasing each year. In fact, BP’s Statistical Review of World Energy indicates that “[p]rimary energy consumption grew at a rate of 2.9% … …

Debunking the myths around 5G technology

15 April 2020Posted by Electrical and Electronic EngineeringGeneral News5G technology, radiation, radio waves

The current COVID-19 pandemic has sparked a controversial debate around whether radio frequencies such as the latest 5G communication band can be connected to human illness or disease. Most of …

A simplified forecasting model for sizing grid-tied photovoltaic at schools using monthly electricity bills shines a light on education

8 April 2020Posted by Electrical and Electronic EngineeringGeneral News

1. Introduction and objectives The ability to accurately forecast energy usage has become progressively more important, especially in the current South African milieu. An interest in energy conservation within today’s …

Faculty of Engineering researches microwave irradiation as an alternative form of sterilisation for Rooibos tea

17 March 2020Posted by Electrical and Electronic EngineeringGeneral Newsmicrowave irradiation, rooibos, sterilisation

Background When harvesting the Rooibos plant, only the top 30cm of the shrub is cut off. Rooibos plants are harvested annually, and the lifecycle of a plant is between 3 …

Thermal analysis of a dense dipole array for SKA mid-frequency aperture array

12 March 2020Posted by Electrical and Electronic EngineeringGeneral Newsdense dipole array, SKA, thermal analysis

Our previous post noted that for SKA2, large, electronically steerable phased arrays or “aperture arrays” are being developed for the mid-frequency band (450 – 1450 MHz). The Mid-Frequency Aperture Array …

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