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Comparison of heat transfer characteristics in surface cooling with boiling microjets of water, ethanol and HFE7100
Abstrakt
The basis of microjet technology is to produce jets which impinge the surface at the stagnation point with a very high kinetic energy. Main objective of this paper was to investigate the physical phenomena occurring on solid surfaces upon impingement of the single microjet in case of three fluids, namely water, ethanol and HFE7100. Intense heat transfer in the impact zone of microjet has been examined and described with precise measurements of thermal and flow conditions of microjets. Applied technology of jet production can result with the size of jets ranging from 20 to 500 μm in breadth and 20 to 100 μm in width. Reported tests were conducted under steady state conditions for surface cooling by single microjet producing an evaporating film. Obtained data have been used to validate authors own semi-empirical model of surface cooling by evaporating microjet in the stagnation point. Obtained database of experimental data with analytical correlations allows the rational design of microjet modules for various industrial applications.
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuł w czasopiśmie wyróżnionym w JCR
- Opublikowano w:
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APPLIED THERMAL ENGINEERING
nr 93,
strony 1403 - 1409,
ISSN: 1359-4311 - Język:
- angielski
- Rok wydania:
- 2016
- Opis bibliograficzny:
- Muszyński T., Mikielewicz D.: Comparison of heat transfer characteristics in surface cooling with boiling microjets of water, ethanol and HFE7100// APPLIED THERMAL ENGINEERING. -Vol. 93, (2016), s.1403-1409
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.applthermaleng.2015.08.107
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 128 razy