Welcome to Boloka, the open access Institutional Repository of the North-West University (NWU-IR). This is a digital archive that collects, preserves and distributes research material created by members of the NWU.

The aim of the NWU-IR is to increase the visibility, availability and impact of the research output of the North-West University through Open Access, search engine indexing and harvesting by several initiatives.


Select a community to browse its collections.

  • Heat and mass transfer model for a coffee roasting process 

    Vosloo, Johandri (North-West University (South Africa) , Potchefstroom Campus, 2017)
    The roasting of coffee is a complex process and it takes years of experience to be able to produce a quality cup of coffee (as well as consistently reproducing the same quality coffee). Although there are various factors ...
  • Non-equilibrium two-phase flow simulation of an open feed water heater in the HPLWR power plant 

    Smith, Alida (North-West University (South Africa) , Potchefstroom Campus, 2017)
    In 1996 the U.S Nuclear Regulatory Commission issued a notice that addressed the operation of pressurised water reactors (PWR’s) above the licensed power limit due to a decrease in the feed water temperature which may ...
  • Quantifying the cost of pump efficiency decay on the Department of Water and Sanitation 

    Giliomee, Gabriel Johannes (North-West University (South Africa) , Potchefstroom Campus, 2017)
    By analysing the usage of water in South Africa, together with the energy consumption from pumps in the industry, it is easy to identify a problem. A need exists in determining what influence the decay in efficiency of ...
  • Expenditure patterns of kin foster parents in Lethabong Township, North West Province 

    Tladi, Olebogeng Aurica (North-West University (South Africa) Mafikeng Campus, 2016)
    The study focused on how the foster parents in Lethabong utilise the foster child grant which they receive in respect of their foster children. Foster care is a temporary arrangement made to care for children whose parents ...
  • Isolation of bacterial strains for improved maize production 

    Olanrewaju, Oluwaseyi Samuel (North-West University (South Africa) Mafikeng Campus, 2016)
    BACKGROUND-The ever increasing world population has led to a continued demand for food. If the increase and sustenance of available food crops are not taken seriously, then there might be a crisis of food shortage to sustain ...

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