Browsing Engineering, Built Environment and Information Technology by UP Author "Sandrock, Carl"
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Browsing Engineering, Built Environment and Information Technology by UP Author "Sandrock, Carl"
Now showing items 1-11 of 11
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Benefits of optimisation and model predictive control on a fully autogenous mill with variable speed Steyn, Christiaan Weyers; Sandrock, Carl (Elsevier, 2013)Autogenous (AG) milling is utilised around the world for particle size reduction. The system exhibits highly non-linear behaviour in addition to being subject to unmeasured variability associated with most ore bodies. ...
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Agbebi, Rotimi; Sandrock, Carl (Elsevier, 2015-06)An existing batch precipitation reactor in the mining industry was modelled from first principles using MATLAB S-function language and wrapped into Simulink custom blocks. The model was validated with open loop simulations ...
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Nkoghe Eyeghe, Norbertin; Sandrock, Carl; Van Dam, Carel (Elsevier, 2015-05)A mathematical first-principle model (FPM) of a ruthenium reactor was developed, implemented and successfully validated against a set of measurements of the real reactor of a precious metal refinery (PMR). The model ...
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Kok, Schalk; Sandrock, Carl (Massachusetts Institute of Technology Press, 2009)Two variants of the extended Rosenbrock function are analyzed in order to find the stationary points. The first variant is shown to possess a single stationary point, the global minimum. The second variant has numerous ...
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Majozi, Thokozani; Sandrock, Carl (International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, 2008)Paper presented at the 6th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, South Africa, 30 June - 2 July, 2008.
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Modelling and optimization of a flexible poly(vinyl chloride) compound formulation for mine cables Fechter, Reinhard Heinrich; Sandrock, Carl; Kuhnert, Ines; Labuschagne, F.J.W.J. (Frederick Johannes Willem Jacobus) (Wiley, 2019-01)Developments by Labuschagné et al. (Patent, WO 2006/123284 A2, 2006) in the manufacture of Layered Double Hydroxides (LDHs) have led to a patent describing a new effluent free synthesis method. A promising application for ...
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Fechter, Reinhard Heinrich; Kuhnert, Ines; Sandrock, Carl; Labuschagne, F.J.W.J. (Frederick Johannes Willem Jacobus) (American Institute of Physics, 2019-01)Polymer compounds are complex systems that typically involve many additives that tend to interact with each other. The system is further complicated by the fact that the additives tend to have an effect on multiple material ...
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Fechter, Reinhard Heinrich; Sandrock, Carl; Labuschagne, F.J.W.J. (Frederick Johannes Willem Jacobus) (De Gruyter, 2018-04)A novel method for simulating the torque and temperature curves from a torque rheometer thermal stability test on poly(vinyl chloride) (PVC) was developed. A mathematical model was proposed which combines the chemical kinetics ...
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Badenhorst, Heinrich; Sandrock, Carl (Elsevier, 2016-05)Rapid thermal conductivity measurement of porous solids and composites remains a challenge. A modified steady state technique has been proposed which uses two heat flux sensors instead of one. The parameter estimation ...
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Simpson, Zach; Inglis, Helen Mary; Sandrock, Carl (Routledge, 2020)The notion of “resources” is often framed in an economic sense: money, time, equipment and the like. The authors reconceptualise this notion, situating resources as embedded in curricular frameworks, teacher practice and ...
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Endres, S.C. (Stefan); Sandrock, Carl; Focke, Walter Wilhelm (Springer, 2018-10)The simplicial homology global optimisation (SHGO) algorithm is a general purpose global optimisation algorithm based on applications of simplicial integral homology and combinatorial topology. SHGO approximates the homology ...
Now showing items 1-11 of 11