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The Numerical Simulation of Flow Field within the Curtain Coating Die Based on Fluent |
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DOI:10.11980/j.issn.0254-508X.2017.05.003 |
Key Words:Fluent software curtain coating eddy pressure drop transverse distribution |
Fund Project:国家自然科学基金项目(51403239)。 |
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Abstract:To improve the performance of curtain coating ,Fluent software was utilized for the flow field simulation analysis in the die head of curtain coating. The influences of the sublimation paper coatings solid content and temperature on the flow field were investigated respectively in this study. The results showed that the eddy and pressure drop at the head manifold decreased with increasing the solid content of coatings,and increased as the temperature rising. The die head manifold was easy to appear eddy when the temperature above 25℃ and the soild less then 17.7%. And the die head was easy to produce too much pressure drop when the temperature below 35℃ and the solid contant higher than 18.0%. The die head structure should be optimized. |
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