Now showing items 11-20 of 241
Controller performance assessment of servomechanisms for nonlinear process control systems
Abstract—This paper aims at assessing the setpoint tracking performance of proportional-integral-derivative (PID) controllers for nonlinear single-input-single-output (SISO) process loops. A comparison is made between the ...
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.
Visual assessments of current pavement conditions in the stack areas of Berth 203-205 at the Durban Container Terminal-Pier 2
(Emerald Group, 2014-04)
The Durban Container Terminal is currently the biggest and busiest container terminal in Africa and handles about 2.7-million TEUs a year. DCT handles approx. 70% of South Africa’s containers and generates 60% of South ...
Infrared heating assisted thermoforming of polypropylene clay nanocomposites
The objective of this work is to study the influence of nanoclay addition in PP sheet during infrared (IR) heating assisted thermoforming process. The effect of nanoclay on viscoelastic, friction and dimensional characteristics ...
Diesel engine performance modelling using neural networks
The aim of this study is to develop, using neural networks, a model to aid the performance monitoring of operational diesel engines in industrial settings. Feed-forward and modular neural network-based models are created ...
Fracture properties of fibre and nano reinforced composite structures
Interlaminar cracking or delamination is an inherent disadvantage of composite materials. In this study the fracture properties of nano and fibre-reinforced polypropylene and epoxy composite structures are examined. These ...
Development of system for teaching turbo code forward error correction techniques
The objective was to develop a turbo code demonstration system for educational use. The aim was to build a system that would execute rapidly and produce a graphical display exemplifying the power of turbo codes and showing ...
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 ...
A comparative study of trenchless technologies versus traditional open trenching for the replacement of ageing potable water pipelines
The urgent need to rehabilitate or replace ageing deteriorated buried potable water pipeline networks is one of the many critical service utility provision challenges faced within the municipalities in South Africa. The ...
Evaluation of small-scale batch biodiesel production options for developing economies
Biodiesel is a renewable fuel that can be produced from animal fats, vegetable oils or recycled used cooking oil. From the 1970’s, biodiesel received increased focus as an alternative to crude oil and its component products. ...