Experimental Verification of Impact of Sprinkled Area Length on Heat Exchange Coefficient
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F19%3APU131794" target="_blank" >RIV/00216305:26210/19:PU131794 - isvavai.cz</a>
Result on the web
<a href="https://www.hindawi.com/journals/amse/2019/9262438/" target="_blank" >https://www.hindawi.com/journals/amse/2019/9262438/</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1155/2019/9262438" target="_blank" >10.1155/2019/9262438</a>
Alternative languages
Result language
angličtina
Original language name
Experimental Verification of Impact of Sprinkled Area Length on Heat Exchange Coefficient
Original language description
On a sprinkled tube bundle, liquid forms a thin liquid film, and, in the case of boiling liquid, the liquid phase can be quickly and efficiently separated from the gas phase. There are several effects on the ideal flow mode and the heat transfer from the heating to the sprinkling liquid. The basic quantity is the flow rate of the sprinkling liquid, but also diameter of the tubes, pipe spacing of the tube bundle, and physical state of the sprinkling and heating fluid. Sprinkled heat exchangers are not a new technology and studies have been carried out all over the world. However, experiments (tests) have always been performed under strict laboratory conditions on one to three relatively short tubes and behaviour of the flowing fluid on a real tube bundle has not been taken into account, which is the primary aim of our research. In deriving and comparing the results among the studies, the mass flow rate based on the length of the sprinkled area is used, thus trying to adjust the different length of the heat exchanger. This paper presents results of atmospheric pressure experiments measured on two devices with different lengths of the sprinkled area but with the same number of tubes in the bundle with same pitch and surface at a temperature gradient of 15/40 degrees C, where 15 degrees C is the sprinkling water temperature at the outlet of the distribution pipe and 40 degrees C is the temperature of heating water entering the bundle.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
20501 - Materials engineering
Result continuities
Project
<a href="/en/project/EF16_019%2F0000753" target="_blank" >EF16_019/0000753: Research centre for low-carbon energy technologies</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Advances in Materials Science and Engineering
ISSN
1687-8434
e-ISSN
1687-8442
Volume of the periodical
2019
Issue of the periodical within the volume
9262438
Country of publishing house
US - UNITED STATES
Number of pages
7
Pages from-to
1-7
UT code for WoS article
000464690900001
EID of the result in the Scopus database
2-s2.0-85066134461