Browsing by Title
Now showing items 12038-12057 of 35404
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Energy-based fault detection for an autothermal reformer
(Elsevier, 2016)Condition monitoring has traditionally been deployed for the monitoring of a single component, such as a rotating machine. The application of condition monitoring techniques to entire petrochemical process plants, however, ... -
An energy-based representation of a counter flow single phase heat exchanger
(North-West University (South Africa) , Potchefstroom Campus, 2016)Energy is a fundamental part of human civilisation and the expected rise in global energy demand is approximately 1.7% per annum until 2030. With limited fossil fuels available for energy generation, other ways of energy ... -
An energy-based representation of an axial-flow compressor system
(North-West University (South Africa) , Potchefstroom Campus, 2015)Large-scale industrial systems play a great role in our modern industry. One example of such a system is the Brayton cycle. The Brayton cycle consists of a compressor, combustor and turbine. Each interconnecting component ... -
Energy-based visualisation of a counter-flow heat exchanger for the purpose of fault identification
(Elsevier, 2016)The need for fault detection and diagnosis (FDD) is becoming increasingly important for industrial processes as the complexity of processes increases. A state space model of a counter-flow heat exchanger is used study to ... -
Energy-based visualisation of a transcritical CO₂ heat pump cycle
(North-West University (South Africa), 2019)The ongoing global phase-out of ozone-depleting substances under the Montreal Protocol has motivated research into alternative working fluids for the use in refrigeration applications. The use of refrigerant grade carbon ... -
Energy-based visualisation of an axial-flow compressor system for the purposes of fault detection and diagnosis
(Elsevier, 2016)As the complexity of industrial systems increases, the necessity also increases for more reliable, robust and accurate Fault Detection and Diagnosis (FDD) techniques. This article proposes a methodology for the design of ... -
The Enforceability of Illegal Employment Contracts according to the Labour Appeal Court Comments on Kylie v CCMA 2011 4 SA 383 (LAC)
(2011)The Labour Appeal Court in Kylie v CCMA decided the vexed question as to whether or not the CCMA has jurisdiction to resolve a dispute of unfair dismissal involving a sex worker. Both the CCMA and the Labour Court had ... -
The Enforcement of Socio-Economic Rights
(2007)In recent years the South African legislature has made a very bold attempt to improve the socio-economic conditions of citizens. Amongst others, the Social Assistance Act 59 of 1992 provides for monthly payments to citizens ... -
Engageability: a new sub-principle of the learnability principle in human-computer interaction.
(North-West University, 2011)The learnability principle relates to improving the usability of software, as well as users’ performance and productivity. A gap has been identified as the current definition of the principle does not distinguish between ... -
Engagement as a source of positive consumer behaviour: a study amongst South African football fans
(Stellenbosch University, 2016)Football in South Africa (SA) has enjoyed significant commercial growth in recent years. No research has been conducted on the properties of fan engagement of South African football fans. In this study, the reliability and ... -
Engagement of employees in a research organisations: a relational perspective
(AOSIS, 2017)Background: Increasing work engagement in a sustainable way remains a challenge despite years of research on the topic. Relationships at work are vital to foster engagement or disengagement. While the relational model by ... -
Engagement of prosecutors not in the employ of the National Prosecuting Authority
(University of the Free State, 2016)This article focuses on the engagement of prosecutors not in the employ of the National Prosecuting Authority (NPA) to prosecute certain cases. Such prosecutors are appointed in terms of section 38 of the National Prosecuting ... -
Engagement of secondary school teachers in Namibia: relational context effects
(Taylor & Francis, 2016)The aim of this study was to investigate relational antecedents of work engagement for secondary school teachers and to determine whether specific psychological conditions mediate the effects of relational factors on work ... -
Engagement – metahistorical considerations on a disputed attitude in historical studies
(Historical Association of South Africa, 2014)It is the main intent of this article to correct a misunderstanding of what engagement in historical studies, historiography and historical culture means and what it is about. So, first of all I will shortly describe the ... -
Engaging adolescents as peer educators about the dangers of cannabis use: a participatory action research approach
(North-West University (South Africa), 2021)Cannabis (dagga) has become one of the most used substances in South Africa, especially among adolescents. Although research has shown that life skills programmes are the most useful prevention methods, these programmes ... -
Engaging alumni in private higher education to develop alumni relations
(North-West University (South Africa) , Potchefstroom Campus, 2016)This study explores the possibilities of establishing alumni relations in a private higher education institution. Therefore, the Primary objective of the study is to identify if there is a need from the alumni that have ... -
Engaging in work even when it is meaningless: positive affective disposition and meaningful work interact in relation to work engagement
(SAGE Publications, 2013)The central aim of the present study was to assess the predictive value of affective disposition and meaningful work on employee engagement. Specifically, it was proposed that meaningful work moderates the relationship ... -
Engaging in work even when it is meaningless: positive affective disposition and meaningful work interact in relation to work engagement
(Sage, 2013)The central aim of the present study was to assess the predictive value of affective disposition and meaningful work on employee engagement. Specifically, it was proposed that meaningful work moderates the relationship ... -
Engaging learners as Homo ludens through a pedagogy of puppetry in learning about indigenous knowledge: affordances for self-directed learning
(North-West University (South Africa), 2021)Puppetry, as example of a pedagogy of play (PoP), utilises storytelling, which has largely been associated with indigenous knowledge systems (IKS) over millennia. It is believed that, by infusing pedagogies such as ... -
Engaging with human rights and gender in curriculum spaces: a Religion and Education (RaE) perspective
(CSSALL (UKZN), 2013)The introduction of the Curriculum and Assessment Policy Statement (CAPS) and how it positions religion in the curriculum requires rethinking. This article first argues that Religion and Education (RaE) has the propensity ...
