June 9, 2020 Dataset Restricted Access

Porombka, Paul; Boden, Stephan; Lucas, Dirk; Hampel, Uwe

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    "description": "<p>This dataset combines multiple measurements form&nbsp;air-water horizontal annular flow experiments in a&nbsp;pipe (case A) and a pipe with circular orifice with&nbsp;<span class=\"math-tex\">\\(d^2 / D^2 = 0.6\\)</span>&nbsp;&nbsp;(case B). Measurements where taken at superficial Reynolds numbers of Re=25000 for the gas phase and Re =4090&nbsp;for the liquid phase.&nbsp;The following data are included for each case:</p>\n\n<ul>\n\t<li>linear pressure drop between&nbsp;two points (case A), four points (case B) measured with split-range differential pressure transducers at 5Hz</li>\n\t<li>time-averaged local liquid volume fraction distribution in cylindrical and Cartesian coordinates reconstructed from X-ray microtomography projections</li>\n\t<li>reconstructed pipe axis coordinates and pipe radius</li>\n\t<li>Python code to calculate secondary validation parameters (e.g. film thickness distribution) from primary data</li>\n</ul>\n\n<p>The detailed 3D data is intended for validation of computational fluid dynamics codes based on phase-averaged variables such as the Euler-Euler approach.</p>", 
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    "creators": [
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        "name": "Porombka, Paul", 
        "orcid": "0000-0002-7494-7948"
      }, 
      {
        "name": "Boden, Stephan", 
        "orcid": "0000-0002-7170-078X"
      }, 
      {
        "name": "Lucas, Dirk", 
        "orcid": "0000-0003-0463-2278"
      }, 
      {
        "name": "Hampel, Uwe", 
        "orcid": "0000-0002-7371-0148"
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    "communities": [
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        "id": "fwd"
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    "title": "Local void fraction and pressure drop data for horizontal annular flow through orifice", 
    "access_right": "restricted", 
    "keywords": [
      "X-ray microtomography", 
      "film thickness", 
      "circular orifice", 
      "annular flow"
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    "publication_date": "2020-06-09", 
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