July 8, 2020 Dataset Restricted Access

Tas-Köhler, Sibel; Franz, Ronald; Boden, Stephan; Hampel, Uwe

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{
  "inLanguage": {
    "alternateName": "eng", 
    "name": "English", 
    "@type": "Language"
  }, 
  "creator": [
    {
      "affiliation": "HZDR", 
      "@id": "https://orcid.org/0000-0001-9264-5129", 
      "name": "Tas-K\u00f6hler, Sibel", 
      "@type": "Person"
    }, 
    {
      "affiliation": "HZDR", 
      "name": "Franz, Ronald", 
      "@type": "Person"
    }, 
    {
      "affiliation": "HZDR", 
      "@id": "https://orcid.org/0000-0002-7170-078X", 
      "name": "Boden, Stephan", 
      "@type": "Person"
    }, 
    {
      "affiliation": "HZDR", 
      "@id": "https://orcid.org/0000-0002-7371-0148", 
      "name": "Hampel, Uwe", 
      "@type": "Person"
    }
  ], 
  "name": "Microfocus X-ray tomography data set of boiling flow in vertical rod bundle with spacer grid at constant heat flux condition", 
  "identifier": "https://doi.org/10.14278/rodare.379", 
  "keywords": [
    "X-Ray Computed Tomography", 
    "Phase fraction", 
    "Rod bundle", 
    "Boiling flow"
  ], 
  "@id": "https://doi.org/10.14278/rodare.379", 
  "url": "https://rodare.hzdr.de/record/379", 
  "description": "<p>The test section of the rod bundle experimental facility at HZDR consists of a vertically aligned PMMA channel with an upward flow of the working fluid. The cross-section of the channel is quadratic (inner edge length: 37 mm) and contains nine directly electrically heated rods (material: titanium-alloy, diameter: 10 mm, wall thickness: 0.3 mm) which are arranged in an orthogonal 3 by 3 matrix (rod axis distance: 12.8 mm). Circa 190 mm downstream of the start of the heating zone a 30 mm long spacer for the rods with tilted flow guiding vanes is mounted. These vanes are aimed to increase lateral flow velocities within the subchannels. Working fluid was octafluorocyclobutane (CAS 115-25-3, RC318). The experimental facility is comprehensively instrumented for measurement of flow, temperature and pressure/pressure difference. For non-invasive three-dimensional high-resolution measurement of a temporally averaged volumetric void fraction within the working fluid flowing around the heating rods in the subchannels an X-ray computer tomography measurement system was set up.<br>\r\nThe presented dataset contains measurement data of the experimental facility's instrumentation and tomographic void fraction data of experiments with four different configurations of the flow guiding vanes (without vanes, 20\u00b0, 29\u00b0, 40\u00b0) for four different flow velocities between 0.4 m/s and 1.3 m/s at a heat flow density of 85.7 kW/m\u00b2.</p>", 
  "datePublished": "2020-07-08", 
  "@type": "Dataset", 
  "sameAs": [
    "https://www.hzdr.de/publications/Publ-31307"
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  "citation": [
    {
      "@type": "CreativeWork", 
      "@id": "https://www.hzdr.de/publications/Publ-35438"
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