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[47170] Artykuł:

Visualization of pool boiling on plain micro-fins and micro- fins with sintered perforated foil

Czasopismo: 7TH EUROPEAN THERMAL-SCIENCES CONFERENCE (EUROTHERM2016) Book Series: Journal of Physics Conference Series   Tom: 745, Zeszyt: 032137, Strony: 1-9
ISSN:  1742-6588
Wydawca:  IOP PUBLISHING LTD, DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
Opublikowano: 2016
Miejsce wydania:  Bristol
 
  Autorzy / Redaktorzy / Twórcy
Imię i nazwisko Wydział Katedra Procent
udziału
Liczba
punktów
Robert Pastuszko orcid logoWMiBMKatedra Mechaniki**507.50  
Robert Kaniowski orcid logoWMiBMKatedra Mechaniki**507.50  

Grupa MNiSW:  Materiały z konferencji międzynarodowej (zarejestrowane w Web of Science)
Punkty MNiSW: 15
Klasyfikacja Web of Science: Proceedings Paper


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Abstract:

The paper presents visualization investigations of boiling heat transfer over enhanced structures. The experiments were carried out for two kinds of enhanced surfaces: an array of 0.5 mm high micro-fins without covering (plain micro-fins designated as MF) and the surfaces made by sintering micro-fin tops with the copper perforated foil (MF+F). Pool boiling data at atmospheric pressure were obtained for saturated water, ethanol, FC-72 and Novec-649.
Visualization studies aimed at identifying nucleation sites and determining the diameter and frequency of departing bubbles. Different pool boiling mechanisms were observed for the plain micro-fins and micro-fins covered with the porous structure.