Browsing Research Articles (Mechanical and Aeronautical Engineering) by UP Author "Meyer, Josua P."
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Browsing Research Articles (Mechanical and Aeronautical Engineering) by UP Author "Meyer, Josua P."
Now showing items 1-20 of 220
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Mahdavi, Mostafa; Sharifpur, Mohsen; Ahmadi, Mohammad Hossein; Meyer, Josua P. (Springer, 2019-01)The explanation of abnormal enhancement of transported energy in colloidal nanoparticles in a liquid has sparked much interest in recent years. The complexity comes from the inter-particle phenomenon and cluster formation. ...
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Moghimi Ardekani, Mohammad; Craig, K.J. (Kenneth); Meyer, Josua P. (American Institute of Physics, 2018-11-08)This study presents a simulation based optimization study of a multi-tube trapezoidal cavity receiver of a Linear Fresnel Collector plant in Pretoria, South Africa. A comprehensive optimization study - an optical, thermal ...
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Mehrabi, M.; Sharifpur, Mohsen; Meyer, Josua P. (Elsevier, 2012-08)By using an FCM-based neuro-fuzzy inference system and genetic algorithm-polynomial neural network as well as experimental data, two models were established in order to predict the thermal conductivity ratio of alumina ...
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Okafor, Izuchukwu F.; Dirker, Jaco; Meyer, Josua P. (Taylor and Francis, 2019)Non-symmetric heat flux distributions in terms of gravity in solar collector tubes influence buoyancy-driven secondary flow which has an impact on the associated heat transfer and pressure drop performance. In this study ...
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Mahdavi, Mostafa; Sharifpur, Mohsen; Meyer, Josua P. (Elsevier, 2015-09)Nanofluids consist of liquid and solid (nanoparticles). Therefore, they can be classified as two-component flow, which brings up different approaches for simulation purposes. In this study, heat transfer and hydrodynamic ...
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Noori Rahim Abadi, Seyyed Mohammad Ali; Ahmadpour, A.; Abadi, S.M.N.R.; Meyer, Josua P. (Elsevier, 2017-02)In this study CFD-based shape optimization of a 3D nozzle and a 2D turbine blade cascade is undertaken in the presence of non-equilibrium condensation within the considered flow channels. A two-fluid formulation is used ...
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Vadasz, Johnathan J.; Meyer, Josua P.; Govender, Saneshan (Springer, 2014-06)The analysis of natural convection for moderate and high Prandtl numbers in a fluid-saturated porous layer heated from below and subject to vibrations is presented with a twofold objective. First, it aims at investigating ...
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Solomon, A. Brusly; Ram Kumar, A.M.; Ramachandran, K.; Pillai, B.C.; Kumar, Senthil; Sharifpur, Mohsen; Meyer, Josua P. (Springer, 2017-03)A grooved heat pipe (GHP) is an important device for managing heat in space applications such as satellites and space stations, as it works efficiently in the absence of gravity. Apart from the above application, axial ...
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Bello-Ochende, Tunde; Meyer, Josua P.; Ighalo, Fervent U. (Taylor & Francis, 2010-12)This study deals with the geometric optimization of a silicon based micro-channel heat sink using a combined numerical optimization and constructal theory. The objective is to minimize the wall peak temperature subject ...
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Rungasamy, A.E.; Craig, K.J. (Kenneth); Meyer, Josua P. (Elsevier, 2019-03)This paper presents a comparative performance investigation of three Compact linear Fresnel collectors; a flat collector, a sun-tracking etendue-conserving collector and an off-peak etendue-conserving collector. A Monte ...
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Slootweg, Marcel; Craig, K.J. (Kenneth); Meyer, Josua P. (Elsevier, 2019-07)A novel complex geometry solar tower molten salt cavity receiver is presented and investigated with regard to its optical and thermal performance. The receiver’s design consists of a collector with the goal of limiting the ...
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Wright, Daniell; Craig, K.J. (Kenneth); Valluri, P.; Meyer, Josua P. (Elsevier, 2023-01)Jet impingement boiling has been studied extensively and has been identified as one of the most promising thermal management techniques for high heat flux applications. Unfortunately, only a few numerical studies have been ...
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Adelaja, Adekunle O.; Dirker, Jaco; Meyer, Josua P. (Elsevier, 2019-02)This paper presents the thermal performance of smooth and microfin tubes and the enhancement factors as they respond to inclination angle, mass flux and vapour quality in inclined tubes of 1.488 m long, 9.55 mm outer ...
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Ewim, Daniel Raphael Ejike; Meyer, Josua P.; Noori Rahim Abadi, Seyyed Mohammad Ali (Elsevier, 2018-08)The purpose of this study was to present the heat transfer coefficients and flow patterns during the condensation of R134a inside an inclined smooth tube at low mass fluxes and different temperature differences (the ...
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Condensation heat transfer in smooth inclined tubes for R134a at different saturation temperatures Meyer, Josua P.; Dirker, Jaco; Adelaja, Adekunle O. (Elsevier, 2014-03)This paper presents the effects of saturation temperature and inclination angle on convective heat transfer during condensation of R134a in an inclined smooth tube of inner diameter of 8.38 mm. Experiments were conducted ...
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Olakoyejo, O.T. (Olabode Thomas); Bello-Ochende, Tunde; Meyer, Josua P. (Elsevier, 2012-07)This paper presents a geometric optimisation of conjugate cooling channels in forced convection with internal heat generation. Two configurations were studied; circular channels and square channels. The configurations ...
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Adewumi, O.O. (Olayinka); Bello-Ochende, Tunde; Meyer, Josua P. (Elsevier, 2013-11)This paper presents a three-dimensional numerical study of steady, laminar, incompressible flow and forced convection heat transfer through a microchannel heat sink with micro pin fin inserts for both fixed and variable ...
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Adewumi, O.O. (Olayinka); Bello-Ochede, T.; Meyer, Josua P. (International Information and Engineering Technology Association (IIETA), 2016)The objective of this numerical study is to investigate the best geometric configuration that maximises heat transfer from the heated base by allowing both the length of the solid substrate and the microchannel heat sink ...
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Bello-Ochende, Tunde; Olakoyejo, O.T. (Olabode Thomas); Meyer, Josua P.; Bejan, A.; Lorente, S. (Elsevier, 2013-01)This paper presents the development of the three-dimensional flow architecture of conjugate cooling channels in forced convection with internal heat generation within the solid for an array of circular cooling channels ...
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Meyer, Josua P. (Elsevier, 2011-10)It has been said many times in one form or another that there is nothing more understandable and practical than a simple theory. As engineers and scientists, we are always looking for a simple theory, law or equation in ...
Now showing items 1-20 of 220