Browsing Faculty of Engineering by Title
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PAHs released from coal tars and potential removal using nanocatalysts
(Wiley, 2019)Abstract: This chapter contains sections titled: Introduction -- General Information on Polycyclic Aromatic Hydrocarbons -- Formation of PAHs -- Sources of PAHs -- Environmental Occurrence of PAHs -- Possible ... -
Pairwise networks for feature ranking of a geomagnetic storm model
(South African Institute of Computer Scientists and Information Technologists, 2020)Feedforward neural networks provide the basis for complex regression models that produce accurate predictions in a variety of applications. However, they generally do not explicitly provide any information about the utility ... -
Palatalisation of /s/ in Afrikaans
(Department of General Linguistics, Stellenbosch University, 2015)This article reports on the investigation of the acoustic characteristics of the Afrikaans voiceless alveolar fricative /s/$^2$. As yet, a palatal [$\int$] for /s/ has been reported only in a limited case, namely where /s/ ... -
Parameter analysis of the Jensen-Shannon divergence for shot boundary detection in streaming media applications
(SAIEE, 2018)Shot boundary detection is an integral part of multimedia, be it video management or video processing. Multiple boundary detection techniques have been developed throughout the years, but are only applicable to very ... -
Parsing and analysis of a Xilinx FPGA bitstream for generating new hardware by direct bit manipulation in real-time
(South African Institute of Computer Scientists and Information Technologists, 2019)Despite the many advantages run-time reconfiguration of FPGAs brings to the table, its usage is mostly limited to quasi-static applications. This is either due to the throughput of the reconfiguration process, or the time ... -
Part-of-speech effects on text-to-speech synthesis
(Pattern Recognition Association of South Africa and Mechatronics International Conference, 2010)One of the goals of text-to-speech (TTS) systems is to produce natural-sounding synthesized speech. Towards this end various natural language processing (NLP) tasks are performed to model the prosodic aspects of the TTS ... -
Partial discharge simulations used for the design of a non-intrusive cable condition monitoring technique
(David Publishing, 2013)The purpose of this paper is to investigate the effect of PD (partial discharge) activity within medium voltage XLPE (cross-linked polyethylene) cables. The effect of partial discharge was studied by means of a number of ... -
Particle size influence on the pore development of nanopores in coal gasification chars: from micron to millimeter particles
(Elsevier, 2017)The influence of particle size on the growth of nanopores arising from gasification of a South African coal-char was investigated using small angle X-ray scattering. Three different char sizes (75 mm, 2 and 20 mm) were ... -
Passive Electrochemical Hydrogen Recombiner For Hydrogen Safety Systems: Prospects
(Springer, 2023)This paper presents the concept of a passive electrochemical hydrogen recombiner (PEHR). The reaction energy of the recombination of hydrogen and oxygen is used as a source of electrical energy according to the operating ... -
PBI-blended membrane evaluated in high temperature SO2 electrolyzer
(ECS, 2018)It has been shown that hydrogen can be produced efficiently within the membrane based Hybrid Sulfur (HyS) process, where SO2 is electrochemically oxidized in the presence of H2O to produce H2 and H2SO4. In earlier studies, ... -
Pebble Bed Micro Model system identification
(Elsevier, 2012)Linear system identification techniques will be applied to obtain mathematical models of a simulation of the Pebble Bed Micro Model (PBMM). The PBMM is a conceptual model of the Pebble Bed Modular Reactor (PBMR), a new high ... -
PEM electrolysis for hydrogen production: principles and applications
(CRC Press, 2015)An ever-increasing dependence on green energy has brought on a renewed interest in polymer electrolyte membrane (PEM) electrolysis as a viable solution for hydrogen production. While alkaline water electrolyzers have been ... -
PEM water electrolysis: preliminary investigations using neutron radiography
(Elsevier, 2017)The quasi-dynamic water distribution and performance of a proton exchange membrane (PEM) electrolyzer at both a small fuel cell's anode and cathode was observed and quantitatively measured in the in-plane imaging geometry ... -
Performance analysis of a multilingual directory enquiries application
(Pattern Recognition Association of South Africa and Mechatronics International Conference, 2014)In a multilingual society such as South Africa, a practical directory enquiries (DE) application should be able to serve users from various language backgrounds with information relating to names in various languages: ... -
Performance analysis of a permanent magnet transverse flux generator with double coil
(IEEE, 2016)One of the disadvantages of permanent magnet (PM) transverse flux machines is high magnetic flux leakage in the stator and rotor cores. To improve the magnetic circuit of this class of machines, a generator with double ... -
Performance evaluation and emissions reduction of a micro gas turbine via the co-combustion of H2/CH4/CO2 fuel blends
(Elsevier, 2020)Worldwide energy supply is rapidly shifting towards more sustainable and cleaner power generation technologies including solar PV, wind turbines and natural gas. The co-combustion of fuel blends, consisting of renewably-generated ... -
Performance evaluation and kinetic modeling of down-flow high-rate anaerobic bioreactors for poultry slaughterhouse wastewater treatment
(Springer, 2020)In this study, the treatment of poultry slaughterhouse wastewater (PSW) was evaluated using two new down-flow high-rate anaerobic bioreactor systems (HRABS), including the down-flow expanded granular bed reactor (DEGBR) ... -
Performance evaluation of a high-throughput microchannel reactor for ammonia decomposition over a commercial Ru-based catalyst
(Elsevier, 2015)In this work, the prospect of producing hydrogen (H2) via ammonia (NH3) decomposition was evaluated in an experimental stand-alone microchannel reactor wash-coated with a commercial Ruthenium-based catalyst. The reactor ... -
A performance evaluation of a microchannel reactor for the production of hydrogen from formic acid for electrochemical energy applications
(ESG, 2018)An experimen tal evaluation of a microchannel reactor was completed to assess the reactor performance for the catalytic decomposition of vaporised formic acid (FA) for H2 production. Initially, X-ray ... -
The performance of feature-based classification of digital modulations under varying SNR and fading channel conditions
(IEEE, 2017)Feature-based classification is a method used for automatic modulation classification of communication signals. This method requires extraction of various features from a signal. One of the approaches for feature extraction ...
