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Dive into the research topics where Kimiaki Washino is active.

Publication


Featured researches published by Kimiaki Washino.


Journal of Colloid and Interface Science | 2017

Normal viscous force of pendular liquid bridge between two relatively moving particles

Kimiaki Washino; Ei L. Chan; Taku Matsumoto; Seiji Hashino; Takuya Tsuji; Toshitsugu Tanaka

In this work, Direct Numerical Simulations (DNS) of a pendular liquid bridge formed between two relatively moving particles are performed to evaluate the normal component of the viscous force exerted on the particles. The viscous force obtained are non-dimensionalised in order to clarify the parameters which can affect the dimensionless force. The DNS results are compared with the viscous force models in literature which are commonly used in DEM simulations. It is found that these models cannot be used with large inter-particle separation distance. A new and more accurate viscous force model is proposed from the DNS results which can be directly implemented in the DEM framework.


Chemical Engineering Science | 2013

A new capillary force model implemented in micro-scale CFD–DEM coupling for wet granulation

Kimiaki Washino; H.S. Tan; Michael J. Hounslow; Agba D. Salman


Journal of The Society of Powder Technology, Japan | 2007

Similarity Model for DEM Simulation of Fluidized Bed

Kimiaki Washino; Chih-Hung Hsu; Toshihiro Kawaguchi; Yutaka Tsuji


Chemical Engineering Research & Design | 2016

A new contact liquid dispersion model for discrete particle simulation

Kimiaki Washino; Koki Miyazaki; Takuya Tsuji; Toshitsugu Tanaka


Powder Technology | 2016

Time step criteria in DEM simulation of wet particles in viscosity dominant systems

Kimiaki Washino; Ei L. Chan; Koki Miyazaki; Takuya Tsuji; Toshitsugu Tanaka


Powder Technology | 2018

DEM with attraction forces using reduced particle stiffness

Kimiaki Washino; Ei L. Chan; Toshitsugu Tanaka


Chemical Engineering Science | 2017

Tangential viscous force models for pendular liquid bridge of Newtonian fluid between moving particles

Kimiaki Washino; Ei L. Chan; Hiroki Midou; Takuya Tsuji; Toshitsugu Tanaka


Journal of The Society of Powder Technology, Japan | 2018

DEM Simulation of Granular Flow (Reduction of Calculation Cost by Reducing Spring Constant)

Toshitsugu Tanaka; Kimiaki Washino


Hosokawa Powder Technology Foundation ANNUAL REPORT | 2017

Development of DEM Model Considering Viscous Force due to Liquid Bridge

Kimiaki Washino


Chemical Engineering Research & Design | 2017

Lubrication force model for a pendular liquid bridge of power-law fluid between two particles

Kimiaki Washino; Seiji Hashino; Hiroki Midou; Ei L. Chan; Takuya Tsuji; Toshitsugu Tanaka

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