Research ArticlePHYSICS

Synchrotron x-ray imaging visualization study of capillary-induced flow and critical heat flux on surfaces with engineered micropillars

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Science Advances  23 Feb 2018:
Vol. 4, no. 2, e1701571
DOI: 10.1126/sciadv.1701571
  • Table 1 Specific geometric features of the micropillar arrays.
    Casesd (μm)g (μm)p (μm)h (μm)f
    Flat1
    d40g40404080201.62
    d40g12040120160201.15
    d80g808080160201.31
    d80g24080240320201.08

Supplementary Materials

  • Supplementary material for this article is available at http://advances.sciencemag.org/cgi/content/full/4/2/e1701571/DC1

    section S1. Specific processes for the preparation of the test sections

    section S2. Synchrotron x-ray images

    section S3. Movies with x-ray images

    movie S1. Single bubble growing on flat surfaces.

    movie S2. Single bubble growing on a high roughness ratio surface.

    movie S3. Single bubble growing on a low roughness ratio surface.

    movie S4. Behavior of liquid-vapor interfaces on a flat surface (near CHF).

    movie S5. Behavior of liquid-vapor interfaces on a high roughness ratio surface (near CHF).

    fig. S1. The method used to fabricate the test sections.

    table. S1. Detailed information on the x-ray source.

    table. S2. Calculated average liquid flow rate underneath a nucleate bubble.

    Reference (46)

  • Supplementary Materials

    This PDF file includes:

    • section S1. Specific processes for the preparation of the test sections
    • section S2. Synchrotron x-ray images
    • section S3. Movies with x-ray images
    • Legends for movies S1 to S5
    • fig. S1. The method used to fabricate the test sections.
    • table S1. Detailed information on the x-ray source.
    • table S2. Calculated average liquid flow rate underneath a nucleate bubble.
    • Reference (46)

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    Other Supplementary Material for this manuscript includes the following:

    • movie S1 (.avi format). Single bubble growing on flat surfaces.
    • movie S2 (.avi format). Single bubble growing on a high roughness ratio surface.
    • movie S3 (.avi format). Single bubble growing on a low roughness ratio surface.
    • movie S4 (.avi format). Behavior of liquid-vapor interfaces on a flat surface (near CHF).
    • movie S5 (.avi format). Behavior of liquid-vapor interfaces on a high roughness ratio surface (near CHF).

    Files in this Data Supplement:

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