Shear‐Thinning effects on dip coating | Zendy

Tanguy P. | Zendy; Choplin L. | Zendy; Fortin M. | Zendy

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Shear‐Thinning effects on dip coating

Author(s) -

Tanguy P.,

Choplin L.,

Fortin M.

Publication year - 1985

Publication title -

the canadian journal of chemical engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.404

H-Index - 67

eISSN - 1939-019X

pISSN - 0008-4034

DOI - 10.1002/cjce.5450630402

Subject(s) - shear thinning , rheology , materials science , coating , thinning , finite element method , discretization , shear (geology) , elasticity (physics) , composite material , dip coating , mechanics , mathematics , structural engineering , physics , engineering , mathematical analysis , ecology , biology

The dip coating operation with shear‐thinning fluids is simulated by the Augmented Lagrangian Method coupled to a finite element discretization. Numerical predictions of coating thickness and meniscus shape compared with experimental data exhibit a very poor agreement. The discrepancy of results is explained by the inadequacy of shear‐thinning rheological models to describe the dynamics of the coating process in a non‐purely viscometric situation and also by the presence of a weak level of elasticity in the fluids used.

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