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Browsing by Supervisor "Badenhorst, Heinrich"
Now showing items 1-9 of 9
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(University of Pretoria, 2016)A solar simulator was used to test whether a carbon black additive could increase the solar absorption of a low temperature organic PCM (consisting of a eutectic mixture of palmitic acid and stearic acid). Various PCM and ...
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(University of Pretoria, 2016)Direct absorption solar collectors offer possible improvement in efficiency over traditional surface absorbing collectors, because they have fewer heat transfer steps and has the ability to utilise higher radiation fluxes. ...
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(University of Pretoria, 2017)A novel type of parabolic trough collector was characterised using a very basic theoretical model. This model looked at an ideal case and provided a basic expectation that was compared to actual measurements. The model ...
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(University of Pretoria, 2018)Rapid prototyping techniques are quickly advancing to become market leading manufacturing techniques in terms of: product availability, cost effectiveness and environmental impact. In addition, they are also rendering many ...
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(University of Pretoria, 2018)This report determines the influence of spectral beam splitting on the temperature, maximum power and efficiency of a polycrystalline silicon cell under concentrated light. The PV cell was exposed to wavelengths ranging ...
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(University of Pretoria, 2015)It is unclear whether all intercalation techniques truly lead to the insertion of atoms between the graphite layers, or also lead to other effects which contribute to expansion. The objective of this project is to better ...
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(University of Pretoria, 2019-12)There is an increasing demand for environmentally sustainable alternative energy sources as the supply of fossil fuels dwindles and the concern about our carbon footprint continues to increase. Bioelectrogenesis is a process ...
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(University of Pretoria, 2018)A promising energy harvesting technique involves the use of thermal nanofluids, capable of collecting solar UV/visible radiation and storing it as latent heat in phase change materials (PCM), i.e. molten salts. Carbon-based ...
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(University of Pretoria, 2015)When certain oils and polymers are heated under an inert atmosphere, a high viscosity liquid forms. Examples include crude oil, coal tar, and PVC. Upon further heating, this liquid becomes a progressively harder solid ...
Now showing items 1-9 of 9