Transient Three-Dimensional Flow Field Measurements by Means of 3D µPTV in Drying Poly(Vinyl Acetate)-Methanol Thin Films Subject to Short-Scale Marangoni Instabilities
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials, Solution Preparation, Coating, and Drying
2.2. Transient 3D Flow-Field Measurements
2.3. Material Properties
2.4. Marangoni Number Assessment
3. Results
3.1. Convective (In)Stability
3.2. Film Thickness
3.3. Velocity Distributions
3.4. Convection Cell Pattern and Size
3.5. Stability Threshold and Upper Limit of Marangoni Numbers
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
Appendix A
Property | Unit | Value | Source | |
---|---|---|---|---|
own data (DMA 4100 M, Anton Paar) | ||||
own data (Abbemat, Dr. Kernchen) | ||||
to | [73] | |||
[73] |
Property | Unit | Value | Source | |
---|---|---|---|---|
[74] | ||||
own data (Abbemat, Dr. Kernchen) | ||||
[75] | ||||
[75] |
Property | Mixing Rule Equation | Source |
---|---|---|
[73] | ||
[19] | ||
[73] | ||
[73] |
Appendix B
Appendix C
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Tönsmann, M.; Scharfer, P.; Schabel, W. Transient Three-Dimensional Flow Field Measurements by Means of 3D µPTV in Drying Poly(Vinyl Acetate)-Methanol Thin Films Subject to Short-Scale Marangoni Instabilities. Polymers 2021, 13, 1223. https://doi.org/10.3390/polym13081223
Tönsmann M, Scharfer P, Schabel W. Transient Three-Dimensional Flow Field Measurements by Means of 3D µPTV in Drying Poly(Vinyl Acetate)-Methanol Thin Films Subject to Short-Scale Marangoni Instabilities. Polymers. 2021; 13(8):1223. https://doi.org/10.3390/polym13081223
Chicago/Turabian StyleTönsmann, Max, Philip Scharfer, and Wilhelm Schabel. 2021. "Transient Three-Dimensional Flow Field Measurements by Means of 3D µPTV in Drying Poly(Vinyl Acetate)-Methanol Thin Films Subject to Short-Scale Marangoni Instabilities" Polymers 13, no. 8: 1223. https://doi.org/10.3390/polym13081223