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Date of download: 1/1/2018 Copyright © ASME. All rights reserved.

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Presentation on theme: "Date of download: 1/1/2018 Copyright © ASME. All rights reserved."— Presentation transcript:

1 Date of download: 1/1/2018 Copyright © ASME. All rights reserved. From: Modeling and Measurement of the Dynamic Surface Tension of Surfactant Solutions J. Fluids Eng. 2008;130(8): doi: / Figure Legend: Schematic representation of the adsorption theory for surfactant solutions

2 Date of download: 1/1/2018 Copyright © ASME. All rights reserved. From: Modeling and Measurement of the Dynamic Surface Tension of Surfactant Solutions J. Fluids Eng. 2008;130(8): doi: / Figure Legend: Image of a rotating surfactant molecule

3 Date of download: 1/1/2018 Copyright © ASME. All rights reserved. From: Modeling and Measurement of the Dynamic Surface Tension of Surfactant Solutions J. Fluids Eng. 2008;130(8): doi: / Figure Legend: Schematic representation of a droplet

4 Date of download: 1/1/2018 Copyright © ASME. All rights reserved. From: Modeling and Measurement of the Dynamic Surface Tension of Surfactant Solutions J. Fluids Eng. 2008;130(8): doi: / Figure Legend: Experimental apparatus

5 Date of download: 1/1/2018 Copyright © ASME. All rights reserved. From: Modeling and Measurement of the Dynamic Surface Tension of Surfactant Solutions J. Fluids Eng. 2008;130(8): doi: / Figure Legend: Equilibrium surface tension σs plotted against concentrations of AE: Pure water (27°C), tap water (27°C), and AE(23) (22°C), AE(10) (24°C), AE(20) (16°C), and AE(100) (17°C) aqueous solutions

6 Date of download: 1/1/2018 Copyright © ASME. All rights reserved. From: Modeling and Measurement of the Dynamic Surface Tension of Surfactant Solutions J. Fluids Eng. 2008;130(8): doi: / Figure Legend: DST σ of AE(23) in pure water (30°C) and tap water (27°C) plotted against surface age t

7 Date of download: 1/1/2018 Copyright © ASME. All rights reserved. From: Modeling and Measurement of the Dynamic Surface Tension of Surfactant Solutions J. Fluids Eng. 2008;130(8): doi: / Figure Legend: Normalized DST σθ plotted against the surface age t; 10ppm(13°C), 20ppm(15°C), 40ppm(16°C), 50ppm(14°C), 80ppm(12°C), 100ppm(14°C), 200ppm(13°C), 1000ppm(19°C), and 10,000ppm(19°C) AE(23) solutions in water. Inner diameter is 0.27mm

8 Date of download: 1/1/2018 Copyright © ASME. All rights reserved. From: Modeling and Measurement of the Dynamic Surface Tension of Surfactant Solutions J. Fluids Eng. 2008;130(8): doi: / Figure Legend: σθ measured by the maximum bubble method (MBP) (25°C) and the present drop weight method (14–16°C)

9 Date of download: 1/1/2018 Copyright © ASME. All rights reserved. From: Modeling and Measurement of the Dynamic Surface Tension of Surfactant Solutions J. Fluids Eng. 2008;130(8): doi: / Figure Legend: Comparison of the data (symbols) of C10E8 measured by video-enhanced pendant bubble tensiometry with the model prediction (lines). K (s) was chosen for the best fit.

10 Date of download: 1/1/2018 Copyright © ASME. All rights reserved. From: Modeling and Measurement of the Dynamic Surface Tension of Surfactant Solutions J. Fluids Eng. 2008;130(8): doi: / Figure Legend: Comparison of the data of C10E5 measured by the maximum bubble pressure (MBP) method (open symbols) and the drop shape technique (solid symbols) with the model prediction (lines). K (s) was chosen for the best fit.


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