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Botswana International University of Science and Technology: Recent submissions

  • Software controlled stepping valve system for a modern car engine 
    Zibani, I; Marumo, R; Chuma, Joseph; Ngebani, I (Elsevier B.V., 2017-10)
    To address the problem of a piston-valve collision associated with poppet valve engines, we replaced the conventional poppet valve with a solenoid operated stepping valve whose motion is perpendicular to that of the piston. ...
  • Chemical absorption of carbon dioxide in Biogas Purification 
    Maile, O.M.; Muzenda, E.; Tesfagiorgis, H. (Elsevier B.V., 2017-01)
    Biogas is produced from anaerobic digestion of organic biodegradable materials. However, its application is limited as it contains impurities such as carbon dioxide (CO2), hydrogen sulphide (H2S), and other trace gases. ...
  • Diffusion in Saturated Clayey Barrier Medium 
    Agbenyeku, E.E.; Muzenda, E.; Msibi, M.I. (Elsevier B.V., 2017)
    The design of clay/clayey barriers for the containment of buried wastes conventionally has been based on the assumption that the hydraulic conductivity controls the rate of leachate percolation. However, recent studies ...
  • Vertical cavity surface emiting laser for optical communication systems 
    Moatlhodi, Ogomoditse Oduetse (Botswana International University of Science and Technology (BIUST), 2022-02-03)
    The minimal cost, high efficiency and low power consumption of the Vertical Cav ity Surface Emitting Laser (VCSEL) gives it an additional advantage when used in applications like fibre optical communication systems to meet ...
  • Design and implementation of a reconfigurable metasurface antenna 
    Ledimo, Bokamoso Kebatho (Botswana International University of Science and Technology (BIUST), 2022-05-30)
    The use of the millimeter wave (mmWave) spectrum and further exploration of sub mmWave has led to a new era in wireless communication, as the need for higher data rates grows. High frequencies, on one hand, incur a higher ...
  • Improvement of cell edge user admission using a user centric approach 
    Jacob, Tshepiso Merapelo (Botswana International University of science and Technology (BIUST), 2022-09-05)
    The increase in the number of linked technological devices, coupled with devices with new multimedia based services has resulted in the growing demand for high data rate communication and a spectrum crisis. Non-orthogonal ...
  • Design and simulation of a phased array antenna for 5G wireless applications 
    Ramogomana, Reuben (Botswana International University of Science and Technology (BIUST), 2022-09-09)
    Amidst escalating data traffic demands, the fifth generation (5G) of mobile communication has been launched to curb these demands by providing high data rates, decreased latency, increased network capacity and large ...
  • Mineral weathering, pedogenesis and characterization of expansive soils from Serowe, Central Botswana 
    Nkonga, Itumeleng. (Botswana International University of Science and Technology (BIUST), 2022-08)
    Expansive soils tend to be fairly high in natural fertility and their unique morphology makes them quite interesting. Soils found in Serowe, Central Botswana, commonly exhibit variable degrees of periodic shrinking and ...
  • Tweaking the BIUST ILS through the lense of carpentry instructor training insights 
    Ntlotlang, Tuelo (Botswana International University of Science and Technology (BIUST), 2022-08)
    The presenter is sharing what she has learned from the carpentries instructor training program as well as giving a brief description on how information literacy program is delivered in Botswana International University of ...
  • Hydrogeochemical evaluation of groundwater quality in Dukwi wellfield in Botswana 
    Diphofu, Abijah; Yendaw, Jerome A.; Suglo, Raymond S. (International Journal of Innovation Creativity and Change (herein referred to as ‘IJICC’), 2022)
    There has been a decline in groundwater quality in most wellfields in Botswana. This study evaluated the groundwater quality in Dukwi Wellfield for drinking and irrigation purposes and characterised the dominant hydrochemical ...
  • A concealed based approach for secure transmission in advanced metering infrastructure 
    Kebotogetse, Otisitswe; Samikannu, Ravi; Yahya, Abid (Institute of Electrical and Electronics Engineers (IEEE), 2022-08-17)
    The smart grid has an important subsystem known as the Advanced Metering Infrastructure (AMI), responsible for measuring customer consumption of electricity. The AMI subsystem has smart meters as one of the components and ...
  • Terrestrial free space optical communication systems availability based on meteorological visibility data for South Africa 
    Kolawole, Olabamidele O.; Afullo, Thomas J.O.; Mosalaosi, Modisa (South African Institute of Electrical Engineers (SAIEE Africa Research Journal), 2022-03)
    In spite of the numerous advantages of employing free space optical (FSO) communication systems as viable complementary platforms for next-generation networks, the presence of atmospheric disturbances such as fog and ...
  • Image compression techniques in wireless sensor networks: a survey and comparison 
    Lungisani, Bose A.; Lebekwe, Caspar K.; Zungeru, Adamu Murtala; Yahya, Abid (Institute of Electrical and Electronics Engineers (IEEE), 2022-08-10)
    There is continuous intensive research on image compression techniques in wireless sensor networks (WSNs) in the literature. Some of the image compression techniques in WSNs that exist in the literature include discrete ...
  • Fuzzy logic control for solar PV fed modular multilevel inverter towards marine water pumping applications 
    Stonier, Albert Alexander; Murugesan, Srinivasan; Samikannu, Ravi; Krishnamoorthy, Vinoth; Subburaj, Senthil Kumar; Chinnaraj, Gnanavel; Mani, Geetha (Institute of Electrical and Electronics Engineers (IEEE), 2021-06-28)
    This paper presents the design and implementation of Modular Multilevel Inverter (MMI) to control the Induction Motor (IM) drive using intelligent techniques towards marine water pumping applications. The proposed inverter ...
  • Power quality improvement in solar fed cascaded multilevel inverter with output voltage regulation techniques 
    Stonier, Albert Alexander; Murugesan, Srinivasan; Samikannu, Ravi; Venkatachary, Sampath Kumar; Kumar, Senthil S.; Arumugam, Prakash (Institute of Electrical and Electronics Engineers (IEEE), 2020-09-29)
    The presence of harmonics in solar Photo Voltaic (PV) energy conversion system results in deterioration of power quality. To address such issue, this paper aims to investigate the elimination of harmonics in a solar fed ...
  • Investigation on impact of magnetic field on the corona discharge activity in Punga oil using fluorescent fiber and UHF sensor techniques 
    Murugesan, Srinivasan; Amalanathan, Arputhasamy Joseph; Sarathi, Ramanujam; Srinivasan, Balaji; Samikannu, Ravi (Institute of Electrical and Electronics Engineers (IEEE), 2021-09-16)
    This paper reports the experimental investigation of the corona discharge activity of punga oil under the influence of a local magnetic field and different voltage profiles (AC and DC voltages) using fluorescent fiber ...
  • Generation and composition of municipal solid waste: case study, extension 7, Palapye, Botswana 
    Letshwenyo, Moatlhodi Wise; Kgetseyamore, Dirang (Springer Nature Limited, 2020-09-10)
    The rapid population growth and industrialisation has contributed to the production of large quantities of solid wastes that should be managed properly. This study was conducted to investigate the generation and composition ...
  • Adsorptive removal of heavy metals from wastewater using brick waste and copper smelter slag as low cost adsorbents 
    Mokokwe, Gobusaone (Botswana International University of Science and Technology (BIUST), 2022-08)
    The industrial effluents contain substantial amounts of toxic heavy metal ions which pollutes surface water and groundwater. In this study, the adsorptive removal of copper, iron and nickel ions from wastewater using ...
  • Design and implementation of a reconfigurable metasurface antenna 
    Ledimo, Bokamoso Kebatho (Botswana International University of Science and Technology (BIUST), 2022-01)
    The use of the millimeter wave (mmWave) spectrum and further exploration of sub mmWave has led to a new era in wireless communication, as the need for higher data rates grows. High frequencies, on one hand, incur a higher ...
  • Hybrid energy harvesting system design and optimization for Seismic network 
    Duncan, Dauda (Botswana International University of Science and Technology (BIUST), 2021-12-15)
    Remote seismic nodes frequently experience failure because of the short lifecycle of lead–acid batteries. Even the use of solar cells is insufficient because these cells have low energy conversion and requires the deployment ...

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