Conference paper Open Access

Experimental evaluation of volumetric solar absorbers – Ceramic foam vs. an innovative rotary disc absorber concept

Fritz Zaversky; Marcelino Sánchez; M. Isabel Roldán; Antonio L. Ávila-Marín; Alexander Füssel; Jörg Adler; Martin Knoch; Andreas Dreitz


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    "doi": "10.1063/1.5067080", 
    "description": "<p>This paper presents the experimental evaluation of two volumetric solar absorber concepts. It compares the<br>\nthermal performance of conventional foam absorbers with that of an innovative rotary disc absorber design. The moving<br>\nabsorber showed advantages regarding air temperature stability at the outlet and better operability compared to the foam<br>\nabsorber. Unfortunately, it is shown that the innovative rotary disc design in its present form is not competitive, neither in<br>\nterms of thermal performance, nor regarding mechanical reliability and robustness. The future task is therefore to<br>\noptimize the mechanical design regarding thermal fatigue, in order to obtain a robust and durable rotary absorber that can<br>\nbe thoroughly evaluated experimentally.</p>", 
    "language": "eng", 
    "title": "Experimental evaluation of volumetric solar absorbers \u2013 Ceramic foam vs. an innovative rotary disc absorber concept", 
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      "id": "CC-BY-SA-4.0"
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        "title": "Competitive SolAr Power Towers \u2013 CAPTure", 
        "acronym": "CAPTure", 
        "program": "H2020", 
        "funder": {
          "doi": "10.13039/501100000780", 
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          "name": "European Commission", 
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    "keywords": [
      "solar absorber"
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    "publication_date": "2018-11-08", 
    "creators": [
      {
        "orcid": "0000-0001-6905-3811", 
        "affiliation": "CENER", 
        "name": "Fritz Zaversky"
      }, 
      {
        "affiliation": "CENER", 
        "name": "Marcelino S\u00e1nchez"
      }, 
      {
        "affiliation": "CIEMAT-PSA", 
        "name": "M. Isabel Rold\u00e1n"
      }, 
      {
        "affiliation": "CIEMAT-PSA", 
        "name": "Antonio L. \u00c1vila-Mar\u00edn"
      }, 
      {
        "affiliation": "Fraunhofer-IKTS", 
        "name": "Alexander F\u00fcssel"
      }, 
      {
        "affiliation": "Fraunhofer-IKTS", 
        "name": "J\u00f6rg Adler"
      }, 
      {
        "affiliation": "FCT", 
        "name": "Martin Knoch"
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      {
        "affiliation": "FCT", 
        "name": "Andreas Dreitz"
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    "meeting": {
      "dates": "26\u201329 September 2017", 
      "place": "Santiago, Chile", 
      "title": "SolarPACES"
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