4 documents found, page 1 of 1
PepsiCo R&D: Analysis of shear forces during mash disk formation
Allwright, David; Ballu, Marin; Correia, Joaquim M C; Chakraborty, Abishek; Cuminato, José; Ewetola, Michael; Grinfeld, Michael; Hall, CameronThis problem relates to the production of chips in a particular process. A potato composite composed of multiple mashed ingredients and small particles is fed through a spreading manifold. This forces the mash into a cylindrical mould (forming process) on a rotating drum to produce mouth sized disk pieces, which then continue to a drying process. During the forming process a scraper is used across the top of th...
Analysis of shear forces during mash disk formation
Allwright, David; Ballu, Marin; Correia, Joaquim M C; Chakraborty, Abishek; Cuminato, José; Ewetola, Michael; Grinfeld, Michael; Hall, CameronThis report concerns a forming process in which mash is forced from a spreading manifold into moulds on a rotating drum, transported in the moulds underneath a surface held flush with the drum (the shoe), and ejected from the moulds. The quality of the final product is understood to be related to the shear stresses experienced by the mash in the moulds as it is transported under the shoe. We describe and analys...
Teknova: Calciner Problem
Allwright, David; Correia, Joaquim M.C.; Fromreide, Mads; Zefreh, Masoud Ghaderi; Kavallaris, Nikos; Lacey, Andrew; Manoylov, Anton; Ockendon, JohnExpressing the properties of the exit material as a function of the potential difference and mass flux (scraping rate) and solving the mechanical problem in order to obtain a velocity field to be fed into multi-physics numerical platforms.; Dept. Mathematics, Durham University, and the Smith Institute
Improved model of an electric calciner for carbon materials
Allwright, David; Correia, Joaquim M.C.; Fromreide, Mads; Zefreh, Masoud Ghaderi; Kavallaris, Nikos; Manoylov, Anton; Please, Colin; Rooney, CaoimbeTeknova have 2D steady-state models of the calciner but wish, in the long term, to have a 3D model that can also cover unsteady conditions, and can can model the loss of axisymmetry that someties occurs. Teknova also wish to understand the processes happening around the tip of the upper electrode, in particular the formation of a lip on it and the the shape of the empty region below it. The Study Group proposed...