An innovative numerical approach for simulation of emulsion formation in a Microfluidizer文档.pdf

An innovative numerical approach for simulation of emulsion formation in a Microfluidizer文档.pdf

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An innovative numerical approach for simulation of emulsion formation in a Microfluidizer文档

Colloids and Surfaces A: Physicochem. Eng. Aspects 487 (2015) 169–179 Contents lists available at ScienceDirect Colloids and Surfaces A: Physicochemical and Engineering Aspects j o u rn al h omepage: w w w. elsev /locate/cols urfa An innovative numerical approach for simulation of emulsion formation in a Microfluidizer Saeed Sadeghpour Galooyak a,∗ , Bahram Dabir b,c , Mehdi Zolfaghari b a Refining Technology Development Division, Research Institute of Petroleum Industry, Tehran, Iran b Chemical Engineering Department, Amirkabir University of Technology, Tehran, Iran c Energy Research Center of Amirkabir University of Technology, Tehran, Iran h i g h l i g h t s g r a p h i c a l a b s t r a c t • Emulsification of sunflower oil in water by microfluidizer was studied. • The droplet size distribution was pre- dicted based on direct coupling of CFD–PBE. • Viscous and inertia in turbulent flow were contributed to oil droplet break- age. • Impinging of collidingjets was recog- nized as an auxiliary fragmentation mechanism. • Laminar elongational flow was neglected for multi-processing in the microfluidizer. a r t i c l e i n f o a b s t r a c t Article history: Microfluidizer is frequently employed for the homogenization of emulsions in food industries. This paper Received 25 May 2015 provides an innovative numerical approach for predicting the Microfluidizer performance in the emulsi- Received in revised form 15 August 2015 fication process. The mo

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