Thermal cycle testing of titanium superhydrophobic surfaces for a spacecraft jumping droplet thermal diode

Jacob A. Supowit, Christopher H. Baker, Bailey Zhao, John McHale, Ryan Miller, Patricia Pichardo, Craig A. Zuhlke, Nicholas Roth, Alfred Tsubaki, Mahdi Mohammadi-Ghaleni, Siamak Nejati, Dennis R. Alexander

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

This work involved characterization and thermal cycle testing of superhydrophobic surfaces for application in a Jumping Droplet Thermal Diode. Three different superhydrophobic surfaces were fabricated and tested. Microstructures were created with a femtosecond laser on titanium substrates. Three techniques were used to further lower the surface energy of the surface: Submersion in fluorinated silane, vapor deposition of fluorinated silane, and grafting of PDFA. An experiment was built that utilized a thermoelectric cooler to cycle surface temperature, condense water vapor from ambient air, and observe droplet coalescence and self-propelled condensate removal. All three surfaces survived cycling through a temperature range of-30°C to 71°C.

Original languageEnglish (US)
Title of host publication2018 Joint Thermophysics and Heat Transfer Conference
PublisherAmerican Institute of Aeronautics and Astronautics Inc, AIAA
ISBN (Print)9781624105524
DOIs
StatePublished - Jan 1 2018
Event12th AIAA/ASME Joint Thermophysics and Heat Transfer Conference, 2018 - [state] GA, United States
Duration: Jun 25 2018Jun 29 2018

Publication series

Name2018 Joint Thermophysics and Heat Transfer Conference

Other

Other12th AIAA/ASME Joint Thermophysics and Heat Transfer Conference, 2018
CountryUnited States
City[state] GA
Period6/25/186/29/18

Fingerprint

spacecraft
titanium
diodes
cycles
silanes
coolers
coalescing
surface temperature
surface energy
condensates
water vapor
vapor deposition
microstructure
air
lasers
temperature

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Nuclear and High Energy Physics

Cite this

Supowit, J. A., Baker, C. H., Zhao, B., McHale, J., Miller, R., Pichardo, P., ... Alexander, D. R. (2018). Thermal cycle testing of titanium superhydrophobic surfaces for a spacecraft jumping droplet thermal diode. In 2018 Joint Thermophysics and Heat Transfer Conference [AIAA 2018-2946] (2018 Joint Thermophysics and Heat Transfer Conference). American Institute of Aeronautics and Astronautics Inc, AIAA. https://doi.org/10.2514/6.2018-2946

Thermal cycle testing of titanium superhydrophobic surfaces for a spacecraft jumping droplet thermal diode. / Supowit, Jacob A.; Baker, Christopher H.; Zhao, Bailey; McHale, John; Miller, Ryan; Pichardo, Patricia; Zuhlke, Craig A.; Roth, Nicholas; Tsubaki, Alfred; Mohammadi-Ghaleni, Mahdi; Nejati, Siamak; Alexander, Dennis R.

2018 Joint Thermophysics and Heat Transfer Conference. American Institute of Aeronautics and Astronautics Inc, AIAA, 2018. AIAA 2018-2946 (2018 Joint Thermophysics and Heat Transfer Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Supowit, JA, Baker, CH, Zhao, B, McHale, J, Miller, R, Pichardo, P, Zuhlke, CA, Roth, N, Tsubaki, A, Mohammadi-Ghaleni, M, Nejati, S & Alexander, DR 2018, Thermal cycle testing of titanium superhydrophobic surfaces for a spacecraft jumping droplet thermal diode. in 2018 Joint Thermophysics and Heat Transfer Conference., AIAA 2018-2946, 2018 Joint Thermophysics and Heat Transfer Conference, American Institute of Aeronautics and Astronautics Inc, AIAA, 12th AIAA/ASME Joint Thermophysics and Heat Transfer Conference, 2018, [state] GA, United States, 6/25/18. https://doi.org/10.2514/6.2018-2946
Supowit JA, Baker CH, Zhao B, McHale J, Miller R, Pichardo P et al. Thermal cycle testing of titanium superhydrophobic surfaces for a spacecraft jumping droplet thermal diode. In 2018 Joint Thermophysics and Heat Transfer Conference. American Institute of Aeronautics and Astronautics Inc, AIAA. 2018. AIAA 2018-2946. (2018 Joint Thermophysics and Heat Transfer Conference). https://doi.org/10.2514/6.2018-2946
Supowit, Jacob A. ; Baker, Christopher H. ; Zhao, Bailey ; McHale, John ; Miller, Ryan ; Pichardo, Patricia ; Zuhlke, Craig A. ; Roth, Nicholas ; Tsubaki, Alfred ; Mohammadi-Ghaleni, Mahdi ; Nejati, Siamak ; Alexander, Dennis R. / Thermal cycle testing of titanium superhydrophobic surfaces for a spacecraft jumping droplet thermal diode. 2018 Joint Thermophysics and Heat Transfer Conference. American Institute of Aeronautics and Astronautics Inc, AIAA, 2018. (2018 Joint Thermophysics and Heat Transfer Conference).
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