Department of Mechanical and Mechatronic Engineering
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Influence of powder characteristics on the spreadability of pre-alloyed tungsten-carbide cobalt
(Southern African Institute for Industrial Engineering, 2021)With rising interest in additive manufacturing (AM) techniques, there is an increased focus on research that evaluates critical parameters that guide the selection of powders that are suitable for AM. One such parameter ... -
16th INTERNATIONAL CONFERENCE ON HEAT TRANSFER, FLUID MECHANICS AND THERMODYNAMICS: 3D PRINTED MINIATURE COOLER FOR ELECTRONICS THERMAL MANAGEMENT ONLINE, 8 – 10 AUGUST 2022
(ASTFE, 2022-08-08)The global Central Processing Units (CPUs) are expected to grow at a significant CAGR of 3.6% by 2028. The major factors driving the growth are increasing demand for high processing power CPUs in various applications ... -
Evaluating the displacement field of paperboardpackages subjected to compression loading using digital image correlation (DIC)
(Elsevier, 2020-09)Digital image correlation (DIC) is a full-field non-contact optical technique for measuring displacements in experimental testing based on correlating several digital images taken during the test, particularly images before ... -
Full-scale measurement and quantification of hull fatigue on a slamming-prone polar vessel
(Stellenbosch : Stellenbosch University, 2022-04)ENGLISH SUMMARY: The safe extension of existing asset life and operation of new record-sized ships require an improved understanding of ship fatigue. Both low-frequency wave bending and high-frequency flexural vibration ... -
Numerical and experimental evaluation of in-transit fruit temperature control alternatives inside integral containers
(2022-03-02)ENGLISH SUMMARY: In horticultural industries, precooling of fresh fruit is costly and encompasses numerous logistical processes. Delays are often encountered in the operation and scheduling of refrigerated containers ... -
ARTI-based holonic control implementation for a manufacturing system using the base architecture
(Stellenbosch : Stellenbosch University, 2022-04)ENGLISH SUMMARY: With industry’s drive to adopt Industry 4.0 technologies, and their enabling technologies, in manufacturing processes, intelligent automated manufacturing has become largely sought after. With defining ... -
A parametric analysis of various dry, wet, and combined cooling system configurations for thermal power plants
(Stellenbosch : Stellenbosch University, 2022-04)ENGLISH SUMMARY: A numerical model, capable of estimating the differences in annual performance of a thermal power plant employing a dry, wet, or combined dry/wet cooling system is developed using heat and mass balances ... -
Numerical modelling and parametric study of a standard fire resistance furnace.
(Stellenbosch : Stellenbosch University, 2022-04)ENGLISH SUMMARY: A numerical model of a fire-resistance furnace was created with the purpose of investigating chosen furnace parameters. The model was validated using experimental data measured during the study. Parameters ... -
Dynamic model of a two-stage speed reducer gearbox for acc fans
(Stellenbosch : Stellenbosch University, 2022-04)ENGLISH SUMMARY: Gearboxes are used within large-scale air-cooled condensers (ACC) to reduce the speed of the motor to run the fan. The effect of the dynamic wind-loadings experienced by ACC fans is studied. The research ... -
Using multistage pooling mechanisms to optimise HIV viral load testing.
(Stellenbosch : Stellenbosch University, 2022-04)ENGLISH SUMMARY: HIV viral load (VL) monitoring is necessary to determine if antiretroviral (ART) treatment is successful. When the VL is virologically suppressed, patients are less likely to transmit HIV to others. The ... -
Techno-economic assessment and optimisation of a carnot battery application in a concentrating solar power plant.
(Stellenbosch : Stellenbosch University, 2022-04)ENGLISH SUMMARY: The techno-economic assessment as well as optimisation of a Carnot battery application in a parabolic trough concentrating solar power (CSP) plant is conducted. A computational techno-economic model of ... -
The Influence of High Strength Steel on the Fatigue Life of Welded Joints in the Automotive Industry.
(Stellenbosch : Stellenbosch University, 2022-04)ENGLISH SUMMARY: The ability to predict and protect against fatigue failure of structurally critical components, while still being able to produce high performance and costefficient designs is of great importance to the ... -
Classification of Selected Cardiac Abnormalities through Machine Learning.
(Stellenbosch : Stellenbosch University, 2022-04)ENGLISH SUMMARY: Cardiovascular diseases contribute to a large number of deaths worldwide per year. From an engineering perspective, an opportune point of intervention is the examination phase of a patient where the ... -
The design and production of honey-encapsulated particles and a cost-effective nebuliser to help quantify cilia function
(Stellenbosch : Stellenbosch University, 2022-04)ENGLISH SUMMARY: Chronic obstructive pulmonary disorder (COPD) was identified as the third leading cause of death in 2019, following ischaemic heart diseases and strokes, respectively, and making up 6% of total deaths ... -
Practical challenges to calibrate a heliostat with a multi-copter
(Stellenbosch : Stellenbosch University, 2022-04)ENGLISH SUMMARY: Heliostat calibration is time-consuming. It takes several months to calibrate the heliostat-field for a concentrated solar power (CSP) plant. Since a particular heliostat cannot be calibrated often, it ... -
Feature selection in gene expression data for disease progression prediction
(Stellenbosch : Stellenbosch University, 2022-04)ENGLISH SUMMARY: Gene-expression datasets, be it Microarray or RNA-seq, play a major role in disease identification, and more recently in disease progression identification. The high dimension of these datasets, however, ... -
Estimation of healthy bone shape and density distribution from partial inputs for implant design
(Stellenbosch : Stellenbosch University, 2022-04)ENGLISH SUMMARY: When reconstructing segmental bone loss, segmentation and surface reconstruction require extensive specialist knowledge to be repeated for each new patient. This has proven to be time-consuming and ... -
Development and analysis of a solar-powered atmospheric water generator
(Stellenbosch : Stellenbosch University, 2022-04)ENGLISH SUMMARY: A calculation model for an off-grid solar-powered atmospheric water generator is developed. An assessment of historical, current and future water scarcity indicators across the world proved that alternative ... -
A design framework for aggregation in a system of digital twins
(Stellenbosch : Stellenbosch University, 2022-04)ENGLISH SUMMARY: The digital twin (DT) concept has become a popular means of capturing and utilising data related to physical systems and has been applied in many domains. The data provided within DTs allow for the integration ...
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