Now showing items 1-10 of 19
Estimates for very high energy gamma rays from globular cluster pulsars
Low‐Mass X‐ray Binaries (LMXRBs), believed to be the progenitors of recycled millisecond pulsars (MSPs), occur abundantly in globular clusters (GCs). GCs are therefore expected to host large numbers of MSPs. This is also ...
Gamma‐ray pulsar visibility
PSR J0437‐4715 is a millisecond pulsar (MSP) thought to be “pair formation starved” (having limited pair cascades due to magnetic photon absorption). Fortunately the general relativistic (GR) electrodynamical model under ...
Using an effective viscosity to account for the effect of the walls on the pressure drop through an annular packed bed
The question arose whether the correlation for the pressure drop prescribed for cylindrical pebble bed reactors by the Nuclear Safety Commission (KTA) of Germany could still be applied to the proposed annular configuration ...
Evaluating methods to binarize historic cosmic-ray recordings
Three adaptive image binarization approaches are evaluated to find the method best suited for the binarization of historic cosmic-ray data. The methods are optimized by fine tuning their parameters and they are then ...
Action evolution for intelligent agents
This paper introduces an alternative method of reinforcement learning for intelligent agents. The aim with this method is to closer emulate the natural thought processes of problem solving. This paper only provides a ...
A comparative study on fault detection and correction techniques on active magnetic bearing systems
(IEEE-Institute of Electrical and Electronics Engineers, 2007)
In this paper, the authors distinguish between three real-time fault detection, correction and identification schemes for vibration forces on the rotor of a rotational active magnetic bearing (AMB) system. Historical fault ...
Linear model of a closed three-shaft Brayton cycle
A linear model of a closed three-shaft Brayton cycle is developed. The model is intended to give an understanding of the dominant dynamic behavior in a nuclear power system that utilizes a closed three-shaft Brayton cycle. ...
The application of modern technology in power quality management
Little business integration of power quality management (PQM) is forthcoming amongst electrical utilities all over Southern Africa. Restricted access to proper information is the main reason. A integration of tools, ...
Towards PQ regulation in Southern Africa
This paper discuss the regulation of Power Quality (PQ) in Southern Africa from a user perspective
A qualitative assessment of the insulation systems of medium voltage induction motors
The research was an attempt to understand the condition of the insulation system and to classify the data according to its condition. Data mining processes was used to create a model to gain insight into the data and the ...