Now showing items 11-20 of 145
Eco-efficient criteria : sustainability
(3S Media, 2014-04)
There is an urgent need to apply cost-effective technologies and methods that deliver better and more sustainable performances.
An investigation into road safety education in KwaZulu-Natal
Road fatalities claim more than one million lives annually worldwide. The emotional, social and economic impact of road traffic fatalities demands urgent attention globally. This epidemic of road traffic fatalities is ...
The in-service determination of the presence of distortion in a high quality analogue sound signal
Detecting and minimising distortion in audio signals is an important aspect of sound engineering. Distortion of a signal passing through an audio system may be caused by a number of factors and it is necessary to detect ...
Difference of hydrodynamics for a VPE with and without mass transfer and effect of agitation level on extent of mass transfer
(The South African Journal of Chemical Engineers (SAJChE), 2013-12-29)
Liquid-liquid extraction offers an alternative separation technique, other than distillation, that uses a solvent for the separation of liquid constituents (Pratt, 1983). The vibrating plate extractor (VPE) is a mechanically ...
Surge arrester faults and their causes at eThekwini electricity
(Engineering and Technology Publishing, 2014-03)
Failures in polymeric housed surge arresters have recently increased. This has resulted in a number of studies being done in order to establish the condition of surge arresters whilst in service, the aim being to remove ...
Methodologies for the optimization of fibre-reinforced composite structures with manufacturing uncertainties
Fibre Reinforced Plastics (FRPs) have been used in many practical structural applications due to their excellent strength and weight characteristics as well as the ability for their properties to be tailored to the ...
The innovation landscape of South Africa under new intellectual property management policy
(Innovation Summit, 2013)
The new intellectual property (IP) policy currently under development by the Department of Trade and Industry will likely define the future innovation landscape in South Africa. This is in line with the direction the country ...
Modelling streamflow response to hydro-climatic variables in the Upper Mkomazi River, South Africa
Streamflow modelling remains crucial to decision-making especially when it concerns planning and management of water resources systems in water-stressed regions. This study proposes a suitable method for streamflow modelling ...