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Viscosity of glass-forming melt at the bottom of high-level waste melter-feed cold caps: Effects of temperature and incorporation of solid components

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985891%3A_____%2F20%3A00517279" target="_blank" >RIV/67985891:_____/20:00517279 - isvavai.cz</a>

  • Alternative codes found

    RIV/60461373:22310/20:43921264

  • Result on the web

    <a href="https://ceramics.onlinelibrary.wiley.com/doi/abs/10.1111/jace.16876" target="_blank" >https://ceramics.onlinelibrary.wiley.com/doi/abs/10.1111/jace.16876</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1111/jace.16876" target="_blank" >10.1111/jace.16876</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Viscosity of glass-forming melt at the bottom of high-level waste melter-feed cold caps: Effects of temperature and incorporation of solid components

  • Original language description

    During the final stages of conversion of melter feed (glass batch) to molten glass, the glass-forming melt becomes a continuous liquid phase that encapsulates dissolving solid particles and gas bubbles that produce primary foam at the bottom of the cold cap (the reacting melter feed in an electric glass-melting furnace). The glass-forming melt viscosity plays a dominant role in primary foam formation, stability, and eventual collapse, thus affecting the rate of melting (the glass production rate per cold-cap area). We have traced the glass-forming melt viscosity during the final stages of feed-to-glass conversion as it changes in response to changing temperature and composition (resulting from dissolving solid particles). For this study, we used high-level waste melter feeds-taking advantage of the large amount of data available to us-and a variety of experimental techniques (feed expansion test, evolved gas analysis, thermogravimetric analyzer-differential scanning calorimetry, X-ray diffraction, and viscometer). Starting with a relatively low value at the moment when the melt connects, melt viscosity reached maximum within the primary foam layer and then decreased to its final melter operating temperature value. At the cold-cap bottom-the boundary between the primary foam layer and the thermal boundary layer-where physicochemical reactions of a melter feed influence the driving force of the heat transfer from the melt to the cold cap, the melt viscosity affects the rate of melting predominantly through its effect on the temperature at which primary foam is collapsing.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    20504 - Ceramics

Result continuities

  • Project

    <a href="/en/project/LTAUSA18075" target="_blank" >LTAUSA18075: ANALYSIS OF FOAMING – CRITICAL BATCH-TO-GLASS CONVERSION PROCESS</a><br>

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2020

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Journal of the American Ceramic Society

  • ISSN

    0002-7820

  • e-ISSN

  • Volume of the periodical

    103

  • Issue of the periodical within the volume

    3

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    16

  • Pages from-to

    1615-1630

  • UT code for WoS article

    000495826600001

  • EID of the result in the Scopus database

    2-s2.0-85075003246