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Measurement of heat transfer coefficient in two phase flows of radiation-resistant zeotropic C2F6/C3F8 blends

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F17%3A00314548" target="_blank" >RIV/68407700:21220/17:00314548 - isvavai.cz</a>

  • Result on the web

    <a href="http://apps.webofknowledge.com/full_record.do?product=WOS&search_mode=GeneralSearch&qid=1&SID=P1BWktaRda597Bkje5n&page=1&doc=1&cacheurlFromRightClick=no" target="_blank" >http://apps.webofknowledge.com/full_record.do?product=WOS&search_mode=GeneralSearch&qid=1&SID=P1BWktaRda597Bkje5n&page=1&doc=1&cacheurlFromRightClick=no</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.ijheatmasstransfer.2017.05.049" target="_blank" >10.1016/j.ijheatmasstransfer.2017.05.049</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Measurement of heat transfer coefficient in two phase flows of radiation-resistant zeotropic C2F6/C3F8 blends

  • Original language description

    We have measured the flow boiling heat transfer coefficient (HTC) of saturated fluorocarbon blends in a horizontal copper-nickel tube with a diameter of 4 mm. Direct (Joule) heating of the tube wall was used to obtain heat fluxes from 5 to 13.7 kW m(-2). Two different injection capillaries were used, permitting measurements at mass fluxes varying between 94 and 164 kg m(-2) s(-1). The evaporation pressure was approximately 0.2 MPa for the mass fluxes close to 164 kg m(-2) s(-1) and 0.15 MPa for the lower mass fluxes. As expected, the HTC in pure C3F8 was higher than in blends with increasing C2F6 content. Nevertheless, the study confirmed that the ATLAS SCT could be operated at full power dissipation with cooling tube temperatures up to 10 degrees C colder than in pure C3F8 with C3F8/C2F6 blends having relatively modest values of HTCs in the range 1500-4000 W m(-2) K-1.

  • 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

    20303 - Thermodynamics

Result continuities

  • Project

    <a href="/en/project/LA08032" target="_blank" >LA08032: International experiment ATLAS-CERN</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach

Others

  • Publication year

    2017

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    International Journal of Heat and Mass Transfer

  • ISSN

    0017-9310

  • e-ISSN

    1879-2189

  • Volume of the periodical

    113

  • Issue of the periodical within the volume

    October

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    11

  • Pages from-to

    246-256

  • UT code for WoS article

    000406731300025

  • EID of the result in the Scopus database

    2-s2.0-85019672448