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Showing 1 to 20 of 30 for “"Koeberg"”.
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Factors causing delay of modification projects at Koeberg Power Station
… are common in construction projects, and at Koeberg Nuclear Power Station, modification and outage projects are not exempted from these delays. Subsequently, these project delays have a detrimental effect on the Eskom organization in terms of its mandate to supply electricity to promote and …
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Sensitivity analysis of the secondary heat balance at Koeberg Nuclear Power Station
At Koeberg Nuclear Power Station, the reactor thermal power limit is one of the most important quantities specified in the operating licence, which is issued to Eskom by the National Nuclear Regulator (NNR). The reactor thermal power is measured using different methodologies, with the most …
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A probabilistic fracture mechanics model for the tubing degradation of the Koeberg steam generators
… The current maintenance regime at the Koeberg Nuclear Power Station (near Cape Town, South Africa) utilises tube plugging (when cracks exceed a certain length limit) and online leak detection (based on detection of radioactive Nitrogen 16) as the main means of ensuring safe SG …
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The effect of chlorine, heat and physical stress on entrained plankton at Koeberg Nuclear Power Station
The large volume of seawater used for cooling at Koeberg Nuclear Power Station contains many planktonic organisms which are exposed to heat, chlorine and physical stress during their passage through the system. Phytoplankton biomass, measured as chlorophyll a, was reduced by an average of 55.32% …
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Long-term reactivity transient analysis in an extended loss of all AC power at the Koeberg nuclear plant
… neutronics and thermodynamic modelling of the Koeberg Nuclear Station, a 900 MW pressurized water reactor (PWR), whether extended loss of all AC power (ELAP) scenarios will result in an uncontrolled return to criticality. The purpose is to determine whether recriticality can be avoided without …
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The Relevance Of Load Following Capability Of Nuclear Power Plant For The South African Grid
… or not. In this report the relevance of Koeberg Nuclear Power Plant to adapt to the demand is examined and the effects on plant operation simulated. The report analyses the operation of the existing nuclear power plant (Koeberg units) in South Africa and describes the regulations that …
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Investigation into transient stability of a nuclear power plant using DIgSILENT
… a limited number of generation sources, namely Koeberg Nuclear Power Station (base supply) along with other power stations used for peak load running such as Ankerlig, Palmiet, etc. Koeberg Nuclear Power Station is located at the end of a long transmission line with no other base-load generation …
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HIV/AIDS-related stigma in the South African construction industry: the case of ESKOM
… are: to determine the current attitude and views Koeberg employees have towards HIV/AIDS; to determine if the stigma of HIV/AIDS prevents Koeberg employees from accessing HIV intervention programmes offered at Koeberg; and to determine the percentage of Koeberg employees utilising the HIV …
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Seasonal and long-term change in the abundance, accumulation and distribution of beach litter within Table Bay, Cape Town, South Africa
… popular recreational beach near the city, while Koeberg is a seldom visited beach in a nature reserve 39 km from the city. Daily sampling was conducted for ten days in winter (August), spring (October) and summer (November-December) 2019. Of the 39 602 items (116.6 kg) sampled in 2019, plastics …
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Physics and engineering aspects of South Africa's proposed dry storage facility for spent nuclear fuel
… nuclear fuel to be established at the existing Koeberg power station. The interim dry storage facility will make use of HI-STAR 100 multi-purpose casks to store spent nuclear fuel until the country decides on final disposal solution. There are many aspects that are critical to safe, efficient …
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The abundance, distribution and accumulation of plastic debris in Table Bay, Cape Town, South Africa
… 12 km from the city centre, whereas the other (Koeberg) is situated in a nature reserve, with limited access by the general public, and is 27 km farther from the city. Daily accumulation rates of manufactured items (>1 cm diameter) were measured at both beaches for ten days in October, November …
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Effects of thermal stresses on Pressurised Water Reactor nuclear containment vessels following a Loss of Coolant Accident with assimilated containment filtered venting system
… with simulated scenarios performed at the Koeberg Nuclear Power Station as a case study. The accidents were simulated using the Koeberg engineering simulator to obtain the output data. The scenario for the proposed model correlates the critical mass flow from a double-ended guillotine break …
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The effects of safety culture on project performance in high risk industries
Projects are undertaken at Koeberg Nuclear Power Station in South Africa to enhance safety and to contribute to the continuity of power supply in the country. These projects are undertaken in an industry that is regarded as a high risk due to the potential consequence of a nuclear accident. Focus …
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The field measurement of suspended sediment in the surf zone
… at the site of the proposed breakwater of the Koeberg Nuclear Power Station. Reference concentrations are evaluated from the field data. Two sampling systems to obtain these concentrations were designed and constructed. The Mark I sampler was used to collect the field data, whilst the Mark II …
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Unlocking potential: integrating the natural and urban corridors of Brooklyn for economic, environmental, and social prosperity
… across boundaries that's feed back into Koeberg corridor. Investigating the integration of the Zoarvlei wetlands. Providing equitable housing solutions to the residents of Brooklyn. The theoretical framework of the research is shaped by the concepts of densification and activity …
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The influence of thermal polution on various aspects of the biology of three species of crab
… appears that the increased temperatures around Koeberg Power Station will be beneficial to the adult crab species.
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Legal consideratios in developing and implementing the 2018 draft intergrated resources plan (IRP): a case study of the nuclear sector
… up from the 3 per cent (1830 MW) of Koeberg Nuclear Power Plant (Koeberg NPP). For the period 2041 – 2050, IRPs 6 and 7 have 6 per cent (7.56 GW) and 8 per cent (10.08 GW) nuclear of 126 GW of installed capacity respectively. The dissertation identifies the legal requirements and …
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Empirical dynamics of a small scale coastal upwelling region
… wind and of waves, obtained from Eskom for the Koeberg nuclear power station site study near Melkbosstrand (33° 41'S, 18° 26'E) were digitized on an hourly basis. An emphasis is placed on the study of the wind and sea temperature data, the latter being an unique data set in the South African …
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Investigation of mitigation and detection methods of Open Phase Conditions (OPCs) in nuclear power plants based on the operating experience
… 1994 till 2015. An event also occurred in the Koeberg Nuclear Power Station (KNPS) in South Africa on the 11th November 2005. When these events occurred, the protection schemes did not “see” nor isolate the condition, as this was discovered to be a design vulnerability. This was due to …
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A review of the emergency electric power supply systems at PWR nuclear power plants
… and solutions are presented. The experience at Koeberg Nuclear Power station with Lead-acid batteries is included in the discussion. The thesis concludes with recommendations for designers and operators of the Electric Power Supply Systems at Nuclear Power Stations.
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