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Browsing by Author "Aschman, David"

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Exploring the spectroscopy of vibrational levels in the 160 mass region

Author: Majola, Siyabonga Ntokozo Thandoluhle Date: 2016 Vibrational levels are well known in atomic nuclei but despite many decades of research, some of their properties still remain elusive. In particular, low-lying rotational bands based on the first excited 0+ state, which are traditionally ... Read more
Long-term reactivity transient analysis in an extended loss of all AC power at the Koeberg nuclear plant

Author: Foster, Neil Date: 2022 This study investigates, through 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 ... Read more
Numerical simulation of nuclear reactor isotope depletion

Author: Keyser, Tinus Date: 2018 A program was written in Python to simulate nuclide reactions and burnup in a thermal fission reactor numerically. The program focused on the depletion calculations and used a simplified neutron flux equation. Nuclide data like cross-sections ... Read more
PHY2014F - Waves & Electromagnetism (mainstream physics 2nd year)

Author: Aschman, David ; Buffler, Andy Date: 18 Sep 2014 PHY2014F is a second-year half course, aimed primarily at students who are majoring in physics. VIBRATIONS AND WAVES: Harmonic oscillations, damped and forced oscillations, resonance, Fourier analysis, harmonic chains, waves, dispersion, ... Read more c b
Search for non-yrast states in ¹⁶°Yb

Author: Singo, Thifhelimbilu Daphney Date: 2008 The search for the theoretically predicted tetrahedral states has been the source of much interest in recent years with studies of the nuclear structure at low spin states. In this work we have looked for low spin non-yrast states of the ... Read more
Study of unsuspected gamma ray energy peaks observed during the determination of the half-life of activated aluminium

Author: Nel, Andre Pierre Date: 2018 In the experimental determination of the half-life of the decay of a radioactive element, an aluminium cylinder is activated through immersion in a thermal neutron bath. The decay of the irradiated aluminium cylinder is then measured to ... Read more
The Relevance Of Load Following Capability Of Nuclear Power Plant For The South African Grid

Author: Qwemesha, Mbuyisi Date: 2020 The main focus of this study is to evaluate whether load following operation can be performed using the existing South African nuclear power plant. Of which, knowing that will assist in determining whether the addition of load following ... Read more