Effects of droplet diameter on the Leidenfrost temperature of laser processed multiscale structured surfaces

Anton Hassebrook; Corey Kruse; Chris Wilson; Troy Anderson; Craig Zuhlke; Dennis Alexander; George Gogos; Sidy Ndao

doi:10.1109/ITHERM.2014.6892316

Effects of droplet diameter on the Leidenfrost temperature of laser processed multiscale structured surfaces

Anton Hassebrook, Corey Kruse, Chris Wilson, Troy Anderson, Craig Zuhlke, Dennis Alexander, George Gogos, Sidy Ndao

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

10 Scopus citations

Abstract

In this paper, an experimental investigation of the effects of droplet diameters on the Leidenfrost temperature and its shifts has been carried out. Tests were conducted on a 304 stainless steel polished surface and a stainless steel surface which was processed by a femtosecond laser to form Above Surface Growth (ASG) nano/microstructures. To determine the Leidenfrost temperatures, the droplet lifetime method was employed for both the polished and processed surfaces. A precision dropper was used to vary the size of droplets from 1.5 to 4 millimeters. The Leidenfrost temperature was shown to display shifts as high as 85 °C on the processed surface over the range of droplet sizes, as opposed to a 45 °C shift on the polished surface. The difference between the shifts was attributed to the nature of the force balance between dynamic pressure of droplets and vapor pressure of the insulating vapor layer.

Original language	English (US)
Title of host publication	Thermomechanical Phenomena in Electronic Systems -Proceedings of the Intersociety Conference
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	452-457
Number of pages	6
ISBN (Electronic)	9781479952670
DOIs	https://doi.org/10.1109/ITHERM.2014.6892316
State	Published - Sep 4 2014
Event	14th InterSociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems, ITherm 2014 - Orlando, United States Duration: May 27 2014 → May 30 2014

Publication series

Name	Thermomechanical Phenomena in Electronic Systems -Proceedings of the Intersociety Conference

Conference

Conference	14th InterSociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems, ITherm 2014
Country/Territory	United States
City	Orlando
Period	5/27/14 → 5/30/14

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering
Materials Chemistry

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10.1109/ITHERM.2014.6892316

Cite this

Hassebrook, A., Kruse, C., Wilson, C., Anderson, T., Zuhlke, C., Alexander, D., Gogos, G., & Ndao, S. (2014). Effects of droplet diameter on the Leidenfrost temperature of laser processed multiscale structured surfaces. In Thermomechanical Phenomena in Electronic Systems -Proceedings of the Intersociety Conference (pp. 452-457). Article 6892316 (Thermomechanical Phenomena in Electronic Systems -Proceedings of the Intersociety Conference). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ITHERM.2014.6892316

Effects of droplet diameter on the Leidenfrost temperature of laser processed multiscale structured surfaces. / Hassebrook, Anton; Kruse, Corey; Wilson, Chris et al.
Thermomechanical Phenomena in Electronic Systems -Proceedings of the Intersociety Conference. Institute of Electrical and Electronics Engineers Inc., 2014. p. 452-457 6892316 (Thermomechanical Phenomena in Electronic Systems -Proceedings of the Intersociety Conference).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Hassebrook, A, Kruse, C, Wilson, C, Anderson, T, Zuhlke, C, Alexander, D, Gogos, G & Ndao, S 2014, Effects of droplet diameter on the Leidenfrost temperature of laser processed multiscale structured surfaces. in Thermomechanical Phenomena in Electronic Systems -Proceedings of the Intersociety Conference., 6892316, Thermomechanical Phenomena in Electronic Systems -Proceedings of the Intersociety Conference, Institute of Electrical and Electronics Engineers Inc., pp. 452-457, 14th InterSociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems, ITherm 2014, Orlando, United States, 5/27/14. https://doi.org/10.1109/ITHERM.2014.6892316

Hassebrook A, Kruse C, Wilson C, Anderson T, Zuhlke C, Alexander D et al. Effects of droplet diameter on the Leidenfrost temperature of laser processed multiscale structured surfaces. In Thermomechanical Phenomena in Electronic Systems -Proceedings of the Intersociety Conference. Institute of Electrical and Electronics Engineers Inc. 2014. p. 452-457. 6892316. (Thermomechanical Phenomena in Electronic Systems -Proceedings of the Intersociety Conference). doi: 10.1109/ITHERM.2014.6892316

Hassebrook, Anton ; Kruse, Corey ; Wilson, Chris et al. / Effects of droplet diameter on the Leidenfrost temperature of laser processed multiscale structured surfaces. Thermomechanical Phenomena in Electronic Systems -Proceedings of the Intersociety Conference. Institute of Electrical and Electronics Engineers Inc., 2014. pp. 452-457 (Thermomechanical Phenomena in Electronic Systems -Proceedings of the Intersociety Conference).

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abstract = "In this paper, an experimental investigation of the effects of droplet diameters on the Leidenfrost temperature and its shifts has been carried out. Tests were conducted on a 304 stainless steel polished surface and a stainless steel surface which was processed by a femtosecond laser to form Above Surface Growth (ASG) nano/microstructures. To determine the Leidenfrost temperatures, the droplet lifetime method was employed for both the polished and processed surfaces. A precision dropper was used to vary the size of droplets from 1.5 to 4 millimeters. The Leidenfrost temperature was shown to display shifts as high as 85 °C on the processed surface over the range of droplet sizes, as opposed to a 45 °C shift on the polished surface. The difference between the shifts was attributed to the nature of the force balance between dynamic pressure of droplets and vapor pressure of the insulating vapor layer.",

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AU - Alexander, Dennis

AU - Gogos, George

AU - Ndao, Sidy

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N2 - In this paper, an experimental investigation of the effects of droplet diameters on the Leidenfrost temperature and its shifts has been carried out. Tests were conducted on a 304 stainless steel polished surface and a stainless steel surface which was processed by a femtosecond laser to form Above Surface Growth (ASG) nano/microstructures. To determine the Leidenfrost temperatures, the droplet lifetime method was employed for both the polished and processed surfaces. A precision dropper was used to vary the size of droplets from 1.5 to 4 millimeters. The Leidenfrost temperature was shown to display shifts as high as 85 °C on the processed surface over the range of droplet sizes, as opposed to a 45 °C shift on the polished surface. The difference between the shifts was attributed to the nature of the force balance between dynamic pressure of droplets and vapor pressure of the insulating vapor layer.

AB - In this paper, an experimental investigation of the effects of droplet diameters on the Leidenfrost temperature and its shifts has been carried out. Tests were conducted on a 304 stainless steel polished surface and a stainless steel surface which was processed by a femtosecond laser to form Above Surface Growth (ASG) nano/microstructures. To determine the Leidenfrost temperatures, the droplet lifetime method was employed for both the polished and processed surfaces. A precision dropper was used to vary the size of droplets from 1.5 to 4 millimeters. The Leidenfrost temperature was shown to display shifts as high as 85 °C on the processed surface over the range of droplet sizes, as opposed to a 45 °C shift on the polished surface. The difference between the shifts was attributed to the nature of the force balance between dynamic pressure of droplets and vapor pressure of the insulating vapor layer.

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Effects of droplet diameter on the Leidenfrost temperature of laser processed multiscale structured surfaces

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