Discrete Element Method Simulations of Toner Behavior in the Development Nip of the Océ Direct Imaging Print Process

Severens, I.E.M.; Ven, A.A.F. van de; Wolf, Dietrich E.; Mattheij, R.M.M.

doi:10.1007/s10035-006-0010-6

Cited by 13 publications

(11 citation statements)

References 10 publications

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“…Since effects like liquid and possibly permanent solid bridges are not subject of the present study, we refer to the detailed literature, see Refs. [5,9,19,20,24,68,69,74,87,88,90] and references therein.…”

Section: Normal Contact Modelingmentioning

confidence: 99%

Cohesive, frictional powders: contact models for tension

Luding¹

2008

Granular Matter

504

431

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The contacts between cohesive, frictional particles with sizes in the range 0.1-10 µm are the subject of this study. Discrete element model (DEM) simulations rely on realistic contact force models-however, too much details make both implementation and interpretation prohibitively difficult. A rather simple, objective contact model is presented, involving the physical properties of elastic-plastic repulsion, dissipation, adhesion, friction as well as rollingand torsion-resistance. This contact model allows to model bulk properties like friction, cohesion and yield-surfaces. Very loose packings and even fractal agglomerates have been reported in earlier work. The same model also allows for pressure-sintering and tensile strength tests as presented in this study.

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Section: Normal Contact Modelingmentioning

confidence: 99%

Cohesive, frictional powders: contact models for tension

Luding¹

2008

Granular Matter

504

431

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“…The Hamaker model, similar to the Bradley model but omitting the repulsive component of the inter-molecule van der Waals force, has been widely used in DEM [12,13]. It is simple to implement, but has the same limitations as the Bradley model and, therefore, is more appropriate for nearly rigid particles.…”

Section: Application Of Adhesion Models In Demmentioning

confidence: 98%

On the applicability of different adhesion models in adhesive particulate flows

Liu

Yao

2009

Front. Energy Power Eng. China

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An adhesion map provides quantitative criteria for the appropriate selection of adhesion models applicable to a specific adhesive contact problem of fine particles in complex particulate flows. In this paper, three different general adhesion models are used to construct adhesion maps. The applicable regimes on the adhesion map for different approximate adhesion models are determined according to their underlying limitations. It is found that the choice of general model has limited influence on the structure of a constructed adhesion map. On the contrary, the regime of application for each approximate model is sensitive to the approximation level. A three-dimensional, more intuitive adhesion map based on physical parameters of particles is also built. Finally, recent applications of adhesion models in discrete element method (DEM) investigations of fine-particle flow dynamics are briefly discussed.

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“…The behavior of the DI toner assembly is determined by magnetic, electric, and mechanical forces. The sum of these forces results in a complex system behavior; see [2]. Insight in the underlying physical processes of Direct Imaging can be obtained by experimental research.…”

Section: Figure2mentioning

confidence: 99%

“…The heart of the Océ Direct Imaging (DI) print process is formed by the Direct Imaging unit, which is schematically shown in Figure 1. For a more detailed description of the DI print process, we refer to [1]. The toner that is used in this development process is mono-component, magnetizable, and electrically conductive.…”

Section: Introductionmentioning

confidence: 99%

Modelling and DEM simulations of toner behaviour in a print process

Severens¹,

Mattheij

Ven

et al. 2006

Eur. J. Appl. Math.

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This paper describes the modeling of the toner behavior in the development nip of the Océ Direct Imaging print process. The dynamic motion of and mechanical interactions between toner particles are explicitly modelled. The mechanical interactions are due to collisions, friction, adhesion, and electromagnetic forces. The discrete element method (DEM) is used as the simulation tool for a quantitative description of the system. The interaction rules are determined for the toner particles and the surfaces of the development rollers. The model is validated with print quality results. It is shown that it is possible to achieve quantitative agreement between DEM simulations and experimental print quality results.

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Discrete Element Method Simulations of Toner Behavior in the Development Nip of the Océ Direct Imaging Print Process

Cited by 13 publications

References 10 publications

Cohesive, frictional powders: contact models for tension

Cohesive, frictional powders: contact models for tension

On the applicability of different adhesion models in adhesive particulate flows

Modelling and DEM simulations of toner behaviour in a print process

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