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  How roughness and thermal properties of a solid substrate determine the Leidenfrost temperature: Experiments and a model

Wakata, Y., Zhu, N., Chen, X., Lyu, S., Lohse, D., Chao, X., et al. (2023). How roughness and thermal properties of a solid substrate determine the Leidenfrost temperature: Experiments and a model. Physical Review Fluids, 8(6): L061601. doi:10.1103/PhysRevFluids.8.L061601.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000D-5975-C Version Permalink: https://hdl.handle.net/21.11116/0000-000D-5976-B
Genre: Journal Article

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PhysRevFluids.8.L061601.pdf (Publisher version), 2MB
 
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 Creators:
Wakata, Yuki, Author
Zhu, Ning, Author
Chen, Xiaoliang, Author
Lyu, Sijia, Author
Lohse, Detlef1, Author           
Chao, Xing, Author
Sun, and Chao, Author
Affiliations:
1Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063285              

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 Abstract: In this Letter, we systematically investigate the Leidenfrost temperature for hot solid substrates with various thermal diffusivities and surface roughnesses. Based on the experimental results, we build a phenomenological model that considers the thermal diffusivity of a solid substrate and derive a relationship between the surface roughness and the resulting vapor film thickness. The generality of this model is supported by experimental data for different liquids and solid substrates. Our model thus allows for a theoretical prediction of the Leidenfrost temperature and develops a comprehensive understanding of the Leidenfrost effect.

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Language(s): eng - English
 Dates: 2023-06-082023-06
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevFluids.8.L061601
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Project name : This work was supported by National Natural Science Foundation of China under Grants No. 11988102, 91852202, 51976105, and 91841302, the New Cornerstone Science Foundation through the XPLORER prize, ERC Advanced Grant DDD, Project No. 740479, and NWO through the Multiscale Catalytic Energy Conversion (MCEC) Research Center.
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Project name : DDD
Grant ID : 740479
Funding program : Horizon 2020 (H2020)
Funding organization : European Commission (EC)

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Title: Physical Review Fluids
  Abbreviation : Phys. Rev. Fluids
Source Genre: Journal
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Publ. Info: American Physical Society
Pages: - Volume / Issue: 8 (6) Sequence Number: L061601 Start / End Page: - Identifier: ISSN: 2469-990X
CoNE: https://pure.mpg.de/cone/journals/resource/2469-990X