Nonisothermal drop impact and evaporation on polymer nanofiber mats

Christina M. Weickgenannt; Yiyun Zhang; Andreas N. Lembach; Ilia V. Roisman; Tatiana Gambaryan-Roisman; Alexander L. Yarin; Cameron Tropea

doi:10.1103/PhysRevE.83.036305

Nonisothermal drop impact and evaporation on polymer nanofiber mats

Christina M. Weickgenannt, Yiyun Zhang, Andreas N. Lembach, Ilia V. Roisman, Tatiana Gambaryan-Roisman, Alexander L. Yarin, Cameron Tropea

College of Engineering

Research output: Contribution to journal › Article › peer-review

56 Citations (Scopus)

Abstract

The work describes the experimental and theoretical investigation of water drop impact onto electrospun polymer nanofiber mats deposited on heated stainless-steel foils. The measurements encompass water spreading over and inside the mat, as well as the corresponding thermal field. The results show that the presence of polymer nanofiber mats prevents receding motion of drops after their complete spreading and promotes the moisture spreading inside the mat over a large area of the heater, which facilitates a tenfold enhancement of heat removal as the latent heat of drop evaporation.

Original language	English
Article number	036305
Journal	Physical Review E - Statistical, Nonlinear, and Soft Matter Physics
Volume	83
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevE.83.036305
Publication status	Published - 2011 Mar 11

ASJC Scopus subject areas

Statistical and Nonlinear Physics
Statistics and Probability
Condensed Matter Physics

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10.1103/PhysRevE.83.036305

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AU - Zhang, Yiyun

AU - Lembach, Andreas N.

AU - Roisman, Ilia V.

AU - Gambaryan-Roisman, Tatiana

AU - Yarin, Alexander L.

AU - Tropea, Cameron

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AB - The work describes the experimental and theoretical investigation of water drop impact onto electrospun polymer nanofiber mats deposited on heated stainless-steel foils. The measurements encompass water spreading over and inside the mat, as well as the corresponding thermal field. The results show that the presence of polymer nanofiber mats prevents receding motion of drops after their complete spreading and promotes the moisture spreading inside the mat over a large area of the heater, which facilitates a tenfold enhancement of heat removal as the latent heat of drop evaporation.

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Nonisothermal drop impact and evaporation on polymer nanofiber mats

Abstract

ASJC Scopus subject areas

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