1. Date of download: 11/3/2017
Copyright © ASME. All rights reserved.
From: Study of Water Droplet Removal on Etched-Metal Surfaces for Proton Exchange Membrane Fuel Cell Flow Channel
J. Electrochem. En. Conv. Stor ;13(1): doi: /
Figure Legend:
Schematic of contact angle of droplet wetted to surface

2. Date of download: 11/3/2017
Copyright © ASME. All rights reserved.
From: Study of Water Droplet Removal on Etched-Metal Surfaces for Proton Exchange Membrane Fuel Cell Flow Channel
J. Electrochem. En. Conv. Stor ;13(1): doi: /
Figure Legend:
Photograph of the flow channel used in this study (channel width = 4 mm, channel depth = 2 mm, and channel length = 120 mm)

3. Date of download: 11/3/2017
Copyright © ASME. All rights reserved.
From: Study of Water Droplet Removal on Etched-Metal Surfaces for Proton Exchange Membrane Fuel Cell Flow Channel
J. Electrochem. En. Conv. Stor ;13(1): doi: /
Figure Legend:
AFM images of cross sections and 3D of the sample's surfaces

4. Date of download: 11/3/2017
Copyright © ASME. All rights reserved.
From: Study of Water Droplet Removal on Etched-Metal Surfaces for Proton Exchange Membrane Fuel Cell Flow Channel
J. Electrochem. En. Conv. Stor ;13(1): doi: /
Figure Legend:
Schematic of the drop in the flow channel used in this study

5. Date of download: 11/3/2017
Copyright © ASME. All rights reserved.
From: Study of Water Droplet Removal on Etched-Metal Surfaces for Proton Exchange Membrane Fuel Cell Flow Channel
J. Electrochem. En. Conv. Stor ;13(1): doi: /
Figure Legend:
(a) Image of the droplet in the presence of air flow and (b) schematic view of control volume chosen for analysis

6. Date of download: 11/3/2017
Copyright © ASME. All rights reserved.
From: Study of Water Droplet Removal on Etched-Metal Surfaces for Proton Exchange Membrane Fuel Cell Flow Channel
J. Electrochem. En. Conv. Stor ;13(1): doi: /
Figure Legend:
Static contact angle and height of 10 μl water droplet on stainless steel plate

7. Date of download: 11/3/2017
Copyright © ASME. All rights reserved.
From: Study of Water Droplet Removal on Etched-Metal Surfaces for Proton Exchange Membrane Fuel Cell Flow Channel
J. Electrochem. En. Conv. Stor ;13(1): doi: /
Figure Legend:
Schematic illustration of the surface model with a series of uniform needles

8. Date of download: 11/3/2017
Copyright © ASME. All rights reserved.
From: Study of Water Droplet Removal on Etched-Metal Surfaces for Proton Exchange Membrane Fuel Cell Flow Channel
J. Electrochem. En. Conv. Stor ;13(1): doi: /
Figure Legend:
Dynamic images of the water droplet on electrochemically etched stainless steel plate (Ra = 0.73 μm) at different Re

9. Date of download: 11/3/2017
Copyright © ASME. All rights reserved.
From: Study of Water Droplet Removal on Etched-Metal Surfaces for Proton Exchange Membrane Fuel Cell Flow Channel
J. Electrochem. En. Conv. Stor ;13(1): doi: /
Figure Legend:
Water droplet profile at different Reynolds numbers: (a) Ra = 0.02 μm, (b) Ra = 0.27 μm, (c) Ra = 0.30 μm, (d) Ra = 0.41 μm, and (e) Ra = 0.73 μm. _____: RE = 0; : RE = 185, _ _ _ _ _ : RE = 370; _ . _.: RE = 555; __ __: RE= 740; __ . __: RE = 925.

10. Date of download: 11/3/2017
Copyright © ASME. All rights reserved.
From: Study of Water Droplet Removal on Etched-Metal Surfaces for Proton Exchange Membrane Fuel Cell Flow Channel
J. Electrochem. En. Conv. Stor ;13(1): doi: /
Figure Legend:
The plot of pressure drop at critical point versus surface roughness (Ra)

11. Date of download: 11/3/2017
Copyright © ASME. All rights reserved.
From: Study of Water Droplet Removal on Etched-Metal Surfaces for Proton Exchange Membrane Fuel Cell Flow Channel
J. Electrochem. En. Conv. Stor ;13(1): doi: /
Figure Legend:
Total drag force versus Reynolds number for different roughness surface

12. Date of download: 11/3/2017
Copyright © ASME. All rights reserved.
From: Study of Water Droplet Removal on Etched-Metal Surfaces for Proton Exchange Membrane Fuel Cell Flow Channel
J. Electrochem. En. Conv. Stor ;13(1): doi: /
Figure Legend:
Relationship between the roughness factor times solid area fraction rf and the total drag force