Browsing by UP Author "Grobler, N.J.M. (Nicolas)"

Browsing by UP Author "Grobler, N.J.M. (Nicolas)"

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  • Effek van die skermgas-samestelling in ’n indukIefgekoppelde plasma : ʼn eindige-elementanalis 
    Grobler, N.J.M. (Nicolas); Bissett, H.; Puts, Gerard Jacob; Crouse, Philippus L. (AOSIS Open Journals, 2020-11-11)
    Die skermgas speel ’n belangrike rol in die termiese beskerming van die reaktorwand in ’n induktiefgekoppelde plasmareaktor (IGP). Waterstof ioniseer moeiliker as argon. Waterstof word dus in klein hoeveelhede in die ...
  • Finite-element analysis of the effect of sheath-gas composition in an inductively-coupled plasma 
    Grobler, N.J.M. (Nicolas); Bissett, H.; Puts, Gerard Jacob; Crouse, Philippus L. (IOP Publishing, 2018)
    The sheath gas plays an important role in inductively-coupled plasmas (ICPs) in preventing thermal damage to the side wall of the torch. The sheath gas (hydrogen in our case) is more difficult to ionise than argon (the ...
  • Reaction kinetics of ZrF4 chloridation at elevated temperatures 
    Grobler, N.J.M. (Nicolas); Postma, C.J. (Catharina); Crouse, Philippus L. (Southern African Institute of Mining and Metallurgy, 2017-10)
    Zirconium metal is used in the alloy cladding of nuclear fuel rods. Necsa produces ZrF4 by reacting ammonium bifluoride with desilicated plasmadissociated zircon. The ZrF4 then undergoes a sublimation separation step to ...