On a moving liquid film and its instability on textured surfaces

European Physical Journal E

Volumn 30, Issue 3, 2009, Pages 283-290

  Hamamoto Kurosaki, M ^a   Okumura, K ^a  

^a OCHANOMIZU UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

FRICTION; LINEAR STABILITY ANALYSIS; LIQUID FILMS;

CENTRIFUGAL FORCES; EXTERNAL FORCE; MOVING LIQUIDS; OF LIQUID FILMS; TEXTURED SURFACE; VISCOUS FRICTION;

TEXTURES;

EID: 72549097808     PISSN: 12928941     EISSN: 1292895X     Source Type: Journal    
DOI: 10.1140/epje/i2009-10526-3     Document Type: Article

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26. 2 h(r,) in the region with weak curvatures [21]. However, in the present case, as in the cases of the spinning Hele-Shaw cell [22, 23], we cannot use this setting of pressure because the film thickness is assumed to be a constant (i.e., h is equal to the pillar height) on a sub-macroscopic scale: in the case of Hele-Shaw cell and in the present case the plate and pillars can tune pressure on the liquid as discussed in sect. 2, respectively.
27. If we could increase Δ, the spin coating could be performed up to a larger R without causing instability, which would be useful in industry. Unfortunately, the maximum of Δ is zero, as mentioned above.