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- Browsing Theses and Dissertations (University of Pretoria) by Supervisor
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Browsing Theses and Dissertations (University of Pretoria) by Supervisor "Zhang, Lijun"
Now showing items 1-7 of 7
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(University of Pretoria, 2017)Multiple drive belt conveyors are being increasingly incorporated in mining plans worldwide because of their high economic performance and the ease of moving these installations around, especially in underground mines. A ...
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(University of Pretoria, 2017)In the mining industry, methods to reduce the fuel consumed in the haulage operations are largely sought as a result of the growing energy demand, fuel cost increases and adverse environmental impacts due to the emission ...
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(University of Pretoria, 2021)Greenhouse cultivation can increase crop yield and alleviate the food shortage caused by population growth and reduction of arable land. However, the greenhouse production process consumes lots of energy and water. The ...
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(University of Pretoria, 2019-12)Existing energy management problems for a multi-microgrid (MMG) system only minimise the operational cost. This study proposes a multi-objective operational cost and emissions minimisation (OCEM) problem for a grid-tied ...
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(University of Pretoria, 2019)The global growth in demand for transportation has been phenomenal, owing to an exponential increase in population, industrialization and urbanization. This has led to a corresponding increase in the number of motor vehicles ...
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(University of Pretoria, 2015)This research study presents a multi-objective optimization model aimed at optimizing the retrofitting costs, energy savings, water savings, pay-back period and points earned under the Leadership in Energy and Environmental ...
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(University of Pretoria, 2021)The acceleration and integration of renewable energy technologies (RETs) is at the core of research and development in a bid to deal with climate change issues as well as to ensure sufficient energy access to all. The ...
Now showing items 1-7 of 7