Browsing Research Articles (Mechanical and Aeronautical Engineering) by Title
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Emani, Madhu Sruthi; Ranjan, Hrishiraj; Bharti, Anand Kumar; Meyer, Josua P.; Saha, Sujoy Kumar
(Elsevier, 2019-12)
Heat transfer enhancement is a vital area of research as it helps to design heat exchangers of reduced sizes and improved heat transfer rates. Thus, there is a pressing need for techniques which result in significantly ...
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Everts, Marilize; Meyer, Josua P.
(Elsevier, 2020-10)
Correlations to predict the hydrodynamic and thermal entrance lengths in a smooth horizontal tube heated at a constant heat flux are often restricted to forced convection conditions. The reason being that most scholars do ...
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Balshaw, Ryan; Heyns, P.S. (Philippus Stephanus); Wilke, Daniel Nicolas; Schmidt, Stephan
(Elsevier, 2023-09)
Condition-based monitoring for critical assets is reliant on the quality of the indicators used for condition inference. These indicators must be sensitive to the development of faults under constant and non-stationary ...
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Chen, Jun S.; Desai, Dawood A.; Heyns, P.S. (Philippus Stephanus); Pietra, Francesco
(Sage, 2019)
This work provides a comprehensive review of numerical simulation and optimisation of the shot peening found in the
existing literature over the past 10 years. The review found that the developed numerical models coupling ...
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Coetzee, Mark J.; Steyn, Deniel; Everts, Marilize
(Elsevier, 2024-09)
Extensive research has been conducted on the heat transfer characteristics related to the boundary conditions present in phase-change applications. However, there remains a fundamental gap in understanding the local heat ...
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Dirker, Jaco; Meyer, Josua P.; Kohlmeyer, Berno W.
(Elsevier, 2017-10)
Annular flow geometries are commonly found in several heat exchange devices, however, relatively little experimental work has been done specifically to determine the local heat transfer coefficients in developing flow in ...
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Meijer, Marius-Corne; Dala, Laurent
(American Institute of Aeronautics and Astronautics, 2018)
The suitability of local piston theory for modeling static loads on a deforming low-aspect-ratio wing in the presence
of aerodynamic interference is investigated. Predictions using Euler-based local piston theory are ...
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Schmidt, Stephan; Heyns, P.S. (Philippus Stephanus)
(Elsevier, 2019-04)
Performing condition monitoring on rotating machines which operate under fluctuating conditions remains a challenge, with robust diagnostic techniques being required for the condition inference task. Some of the developed ...
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Kok, Schalk; Sandrock, Carl
(Massachusetts Institute of Technology Press, 2009)
Two variants of the extended Rosenbrock function are analyzed in order to find the stationary
points. The first variant is shown to possess a single stationary point, the global minimum. The second variant has numerous ...
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Hamersma, Herman Adendorff; Els, Pieter Schalk
(Elsevier, 2014-08)
The aim is to investigate the improvements in vehicle safety that can be achieved by limiting the vehicle speed based on GPS path
information. The control strategy is aimed at reducing vehicle speed before a potentially ...
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Omoregbee, Henry Ogbemudia; Heyns, P.S. (Philippus Stephanus)
(Bangladesh University of Engineering and Technology, 2018-09)
Diagnostics in low speed rolling element bearings is difficult. Not only are normal frequency domain diagnostics methods not appropriate for this application, but the bearing response signals are usually immersed in ...
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Elsheikh, Ammar H.; Shanmugan, S.; Sathyamurthy, Ravishankar; Thakur, Amrit Kumar; Issa, Mohamed; Panchal, Hitesh; Muthuramalingam, T.; Kumar, Ravinder; Sharifpur, Mohsen
(Elsevier, 2022-02)
This paper aims to enhance the performance of conventional solar still (CSS) using a low cost heat localization bilayered structure (HLBS). The HLBS consists of a bottom supporting layer (SL) made of low thermal conductivity ...
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Herzog, M.A.; Marwala, T.; Heyns, P.S. (Philippus Stephanus)
(Elsevier, 2009-02)
This paper concerns the use of neural networks for predicting the residual life of machines and components. In addition, the advantage of using condition-monitoring data to enhance the predictive capability of these neural ...
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Sohani, Ali; Hoseinzadeh, Siamak; Samiezadeh, Saman; Verhaert, Ivan
(Springer, 2022-03)
An enhanced design for a solar still desalination system which has been proposed in the previously conducted study of the research team is considered here, and the experimental data obtained during a year are employed to ...
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Alqaed, Saeed; Mustafa, Jawed; Almehmadi, Fahad Awjah; Alharthi, Mathkar A.; Sharifpur, Mohsen; Cheraghian, Goshtasp
(MDPI, 2022-11-04)
Considering the importance of environmental protection and renewable energy resources,
particularly solar energy, the present study investigates the temperature control of a solar panel using
a nanofluid (NFD) flow with ...
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Jordaan, M.S.; Kok, Schalk
(Taylor and Francis, 2019)
Superplastic forming is a slow forming process. The forming time can be minimized by optimizing the pressure profile applied to the forming sheet. The optimization of the superplastic forming pressure is usually done such ...
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Mahdavi, Mostafa; Sharifpur, Mohsen; El-Rahman, Magda Abd; Meyer, Josua P.
(MDPI, 2022-11-06)
Here, hydrodynamic features of laminar forced nanofluid flow between two parallel
plates are numerically investigated, and the results are mathematically discussed. The conventional
understanding of developing flow in ...
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Olakoyejo, O.T. (Olabode Thomas); Bello-Ochende, Tunde; Meyer, Josua P.
(Elsevier, 2012-04)
This paper presents a three-dimensional geometric optimisation of cooling channels in forced convection
of a vascularised material with the localised self-cooling property subjected to a heat flux. A square configuration
was ...
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Suliman, Ridhwaan; Oxtoby, Oliver F.; Malan, A.G.; Kok, Schalk
(Elsevier, 2015-01)
A fully-coupled partitioned finite volume–finite volume and hybrid finite volume–finite element
fluid–structure interaction scheme is presented. The fluid domain is modelled as a viscous incompressible
isothermal region ...
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Page, L.G. (Logan Garrick); Bello-Ochende, Tunde; Meyer, Josua P.
(Elsevier, 2011-12)
In this paper we investigate the thermal behaviour of an assembly of consecutive cylinders in a counterrotating
configuration cooled by natural convection with the objective of maximizing the heat transfer density
rate ...