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Shear induced aggregation of a pectin stabilised emulsion in two dimensions
YKI – Ytkemiska institutet.
YKI – Ytkemiska institutet.
YKI – Ytkemiska institutet.
2001 (English)In: Colloid and Polymer Science, ISSN 0303-402X, E-ISSN 1435-1536, Vol. 279, 153-160 p.Article in journal (Refereed)
Abstract [en]

Shear induced aggregation of a Pectin stabilised emulsion trapped at the air-liquid interface was studied in a Couette system by video enhanced microscopy. From dimension analysis, Brownian motion was identified to enhance the probability of bond formation. The characteristic time scale of aggregation was found to scale as tc \sim / rather than tc \sim 1/˙ as expected for orthokinetic aggregation. The structure of very large clusters showed strongly rearranged strands and fractal scaling for low ˙ and , analysed by density auto-correlation. At high ˙ and , the cluster was dominated by larger drops and no fractal scaling could be determined for the accessible length scales.

Place, publisher, year, edition, pages
2001. Vol. 279, 153-160 p.
Keyword [en]
Colloidal aggregation, two dimensions, pectin, kinetics, emulsion, cluster structure, fractal
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-26359OAI: oai:DiVA.org:ri-26359DiVA: diva2:1053361
Note
A1373Available from: 2016-12-08 Created: 2016-12-08Bibliographically approved

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