Influence of water temperature on spray cooling at high surface temperatures

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F22%3APU146285" target="_blank" >RIV/00216305:26210/22:PU146285 - isvavai.cz</a>

Result on the web

<a href="https://www.sciencedirect.com/science/article/pii/S1359431122010067" target="_blank" >https://www.sciencedirect.com/science/article/pii/S1359431122010067</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.applthermaleng.2022.119074" target="_blank" >10.1016/j.applthermaleng.2022.119074</a>

Result language

angličtina

Original language name

Influence of water temperature on spray cooling at high surface temperatures

Original language description

Spray cooling is a common cooling method used in many high-temperature metallurgical processes. Heat transfer in the spray cooling of hot surfaces depends on many parameters, and one of them is cooling water temperature. Especially in the steel industry, the cooling water temperature is influenced by the season, the location in the world and also by the intensity of the manufacturing process. Using an experimental approach, the influence of water temperature on the Leidenfrost temperature and film boiling heat transfer coefficient in spray cooling is investigated. Extensive measurements, taken for two types of nozzles, different water flow rates and different water temperatures (12 ? to 78 ?), are presented. It is shown that the film boiling heat transfer coefficient and the Leidenfrost temperature decrease linearly as the water temperature increases. The obtained results are generalised into correlations and transformation functions, allowing extension of existing correlations, which are mostly valid only for water temperatures around 20 ?, to arbitrary water temperatures. All existing papers, which deal with the influence of the water temperature on spray cooling, only present the measured data and do not provide a generalisation of the results. This is a research gap, and this paper tries to fill it.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

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OECD FORD branch

20303 - Thermodynamics

Project

—

Continuities

S - Specificky vyzkum na vysokych skolach

Publication year

2022

Confidentiality

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

Name of the periodical

Applied Thermal Engineering

ISSN

1359-4311

e-ISSN

—

Volume of the periodical

216

Issue of the periodical within the volume

119074

Country of publishing house

GB - UNITED KINGDOM

Number of pages

10

Pages from-to

„1“-„ 10“

UT code for WoS article

000848088900003

EID of the result in the Scopus database

2-s2.0-85135715155