Now showing items 1-20 of 456

    • Location based games as the bridge between capstone students, junior students and the public 

      Greeff, Jacob J.; Heymann, Reolyn; Nel, Andre; Carroll, Johnson (IEEE, 2018)
      This paper reviews recent attempts by researchers at the University of Johannesburg (UJ) to increase the level of interaction between students, faculty and industry stakeholders by creating an alternate reality game (ARG) ...
    • Aligning student and educator capstone project preferences algorithmically 

      Greeff, Jacob J.; Heymann, Reolyn; Nel, Andre; Carroll, Johnson (IEEE, 2018)
      This paper reviews recent attempts by researchers at the University of Johannesburg (UJ) to increase the level of student engagement in a final year capstone project by allowing for a greater level of autonomy in project ...
    • Interactive serious games as electronic engineering capstone projects 

      Heymann, Reolyn; Greeff, Jacob J. (IEEE, 2018)
      Capstone projects are projects that engineering students undertake in their final year of study. The capstone project gives the student the opportunity to showcase what she has learned during her studies, and gives the ...
    • Designing and developing a narrative driven serious game for teaching information theory 

      Heymann, Reolyn; Greeff, Jacob J. (IEEE, 2018)
      A serious game called "Codebreakers" was developed and designed for a fourth year Telecommunications module at the University of Johannesburg. The goal of the game was to assist students to prepare for tests. The game was ...
    • Reflective team meetings: a learning experience for first-year engineering students in joint projects 

      Havenga, Marietjie (IEEE, 2018)
      The aim of this research was to report on reflective team meetings as a learning experience for first-year engineering students in joint projects. To some extent, working in joint projects is new to first-year students ...
    • Evidence-informed decision making for nutrition: African experiences and way forward 

      Aryeetey, Richmond; Taljaard, Christine; Holdsworth, Michelle; Hounkpatin, Waliou Amoussa; Colecraft, Esi (Cambridge Univ Press, 2017)
      Although substantial amount of nutrition research is conducted in Africa, the research agenda is mainly donor-driven. There is a clear need for a revised research agenda in Africa which is both driven by and responding to ...
    • Students’ learning approaches: are they changing? 

      Taylor, Estelle; Van Aswegen, Kobus (Springer, 2017)
      ome researchers believe that not much has changed in terms of how students prefer to study, whilst others believe that tertiary institutions have to adapt to a new generation of students. The aim of this paper is to determine ...
    • A practical approach to managing uncertainty in the measurement and verification of energy efficiency savings 

      Hamer, W.; Booysen, W.; Mathews, E.H. (Univ Stellenbosch, 2017)
      Measurement and verification (M&V) is fundamental in determining the impact of energy efficiency (EE) interventions. However, accurately quantifying the EE savings on complex industrial systems can present several ...
    • Automated electricity bill analysis in South Africa 

      Goosen, P.; Mathews, M.J.; Vosll, J.C. (Univ Stellenbosch, 2017)
      The ever-increasing cost of energy puts industries under pressure. Industries are forced to monitor their energy consumption and to manage energy more efficiently and responsibly. Some industrial companies have multiple ...
    • Evaluating the feasibility of the 12L tax incentive for energy-intensive industries 

      Campbell, K.; Booysen, W.; Vosloo, J.C. (Univ Stellenbosch, 2017)
      Section 12L of the South African Income Tax Act (12L) aims to incentivise businesses to become more energy-efficient. However, claiming this benefit is a complex process that can become difficult, time-consuming, and costly ...
    • Skoolhoofleierskapstyl deur die lens van die kultuurhistoriese aktiwiteitsteorie (KHAT) 

      Van Jaarsveld, Magdalena Christina; Mentz, Paulus Jacobus; Ellis, Susanna Maria (Suid-Afrikaanse Akademie vir Wetenskap en Kuns, 2017)
      Followers' perceptions are the best evaluation of leadership styles. How followers observe a leadership style may differ from how the leader sees it. In order to understand the entire reality, one should accept and respect ...
    • Short-term variation in the galactic cosmic ray intensity measured with the PAMELA experiment 

      Munini, Riccardo; Potgieter, M.S.; Di Felice, Valeria; Boezio, M.; Adriani, O. (PoS, 2017)
      New results on the galactic cosmic ray (GCR) short-term intensity variation associated with Forbush decrease and co-rotating interaction regions (CIRs) measured by the PAMELA instrument between November 2006 and March ...
    • Ten years of positron and electron solar modulation measured by the PAMELA experiment 

      Munini, Riccardo; Potgieter, M.S.; Raath, J.L.; De Felice, V.; Boezio, M. (PoS, 2017)
      The satellite-borne PAMELA experiment was launched on the 15th June 2006 from the Baikonur cosmodrome. Till January 2016 PAMELA has detected the charged component of cosmic-rays (CRs) over a wide energy range. Due to its ...
    • Target of opportunity observations of blazars with H.E.S.S. 

      Schüssler, F.; Böttcher, M.; Davids, I.D.; Zacharias, M.; Seglar-Arroyo, M. (PoS, 2017)
      The very-high-energy (VHE, E>100 GeV) extragalactic sky is dominated by blazars, a class of active galactic nuclei which show rapid variability at all wavelengths. Target of Opportunity (ToO) observations triggered by ...
    • GRB observations with H.E.S.S. II 

      Hoischen, Clemens; Garrigoux, Tania; Balzer, Arnim; Bissaldi, Elisabetta; Füssling, Matthias (PoS, 2017)
      The High Energy Stereoscopic System (H.E.S.S.) has been searching for counterparts of Gamma Ray Bursts (GRBs) for many years. In 2012 the system was upgraded with a fifth 28m diameter telescope (CT5) which is equipped ...
    • Challenges in reconciling observations and theory of the brightest high-energy flare ever of 3C 279 

      Bottacini, Eugenio; Böttcher, Markus; Pian, Elena; Collmar, Werner; Gasparrini, Dario (PoS, 2017)
      Recent high-energy missions have allowed keeping watch over blazars in flaring states, which provide deep insights into the engine powered by supermassive black holes. However, having a quasar caught in a very bright ...
    • Observation of the extremely bright flare of the FSRQ 3C279 with H.E.S.S. II 

      Romoli, C.; Zacharias, M.; Meyer, M.; Ait Benkhali, F.; Jacholkowska, A. (PoS, 2017)
      In June 2015, the Flat Spectrum Radio Quasar 3C 279 underwent an extremely bright gamma-ray flare, with an increase of the flux above 100 MeV by a factor 10 in less than 1 day, revealing an intrinsic variability timescale ...
    • The exceptional VHE gamma-ray outburst of PKS 1510-089 in May 2016 

      Zacharias, Michael; Sitarek, Julian; Prester, Dijana Dominis; Jankowsky, Felix; Lindfors, Elina (PoS, 2017)
      PKS 1510-089 (z=0.361) is one of only a handful of flat spectrum radio quasars that have been detected at very high energy (VHE, E > 100GeV) gamma rays. It is a very active source across the entire electromagnetic spectrum. ...
    • Monitoring of the FSRQ PKS 1510-089 with H.E.S.S. 

      Zacharias, Michael; Jankowsky, Felix; Mohamed, Mahmoud; Prokoph, Heike; Sanchez, David (PoS, 2017)
      The flat spectrum radio quasar (FSRQ) PKS 1510-089 (z=0.361) is known for its complex multiwavelength behavior. It has been monitored regularly at very high energy (VHE, E > 100GeV) gamma-rays with H.E.S.S. since its ...
    • High-energy emission properties of pulsars 

      Venter, Christo; Harding, Alice K.; Grenier, Isabelle (PoS, 2017)
      The sheer number of new γ-ray pulsar discoveries by the Fermi Large Area Telescope since 2008, combined with the quality of new multi-frequency data, has caused a revolution in the field of high-energy rotation-powered ...