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Browsing by Subject "Computational Fluid Dynamics"

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An aerodynamic CFD analysis of inlet swirl in a micro-gas turbine combustor

Author: Meyers, Bronwyn C ; Grobler, Jan-Hendrik ; Snedden, GC Date: Jul 2023 A combustor was designed for a 200N micro-gas turbine [1, 2] using the NREC preliminary combustor design method [1, 2, 3]. During the design process, there are various aspects where there are no definitive methodologies for specifying the ... Read more
Comparison of predicted design efficacy and environmental assessment for tuberculosis care facilities in South Africa

Author: Nice, Jako A ; Kumirai, Tichaona ; Conradie, Dirk CU ; Grobler, Jan-Hendrik Date: Dec 2015 The impact of Tuberculosis (TB) is of epidemic proportions in South Africa (SA) being one of the developing countries. Furthermore, studies seem to indicate that health care facilities are contributing to the spread of Mtb (Eshun-Wilson et ... Read more
Investigation of acceleration effects on missile aerodynamics using computational fluid dynamics

Author: Gledhill, Irvy MA ; Forsberg, K ; Eliasson, P ; Baloyi, J ; Nordström, J Date: 2009 In this paper the authors describe the implementation and validation of arbitrarily moving reference frames in the block-structured CFD-code EURANUS. The paper also present results from calculations on two applications involving accelerating ... Read more
The numerical aerodynamic investigation of swirling inlet flow in a vaporizer tube micro-gas turbine combustor

Author: Meyers, Bronwyn C ; Grobler, Jan-Hendrik ; Snedden, GC Date: Sep 2022 A combustor was designed for a 200N micro-gas turbine for the model aircraft industry using the NREC design method. Multiple designs resulted which varied in terms of annular area split configuration, hole area splits and relative hole ... Read more
Theoretical treatment of fluid flow for accelerating bodies

Author: Gledhill, Irvy MA ; Roohani, H ; Forsberg, K ; Eliasson, P ; Skews, BW ; Nordström, J Date: Feb 2016 Most computational fluid dynamics simulations are, at present, performed in a body-fixed frame, for aeronautical purposes. With the advent of sharp manoeuvre, which may lead to transient effects originating in the acceleration of the centre ... Read more c b
Two dimensional vortex shedding from a rotating cluster of cylinders

Author: Ndebele, Bright B ; Gledhill, IMA Date: Sep 2023 The dynamics of two-dimensional vortex shedding from a rotating cluster of three cylinders was investigated using Computational Fluid Dynamics (CFD) and Dynamic Mode Decomposition (DMD). The cluster was formed from three circles with equal ... Read more

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Browsing by Subject "Computational Fluid Dynamics"

Browsing by Subject "Computational Fluid Dynamics"

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