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[38344] Artykuł:

VISUALIZATION OF POOL BOILING FROM COMPLEX SURFACES WITH INTERNAL TUNNELS

Czasopismo: EFM11 - EXPERIMENTAL FLUID MECHANICS 2011   Tom: 25, Strony: 01067
ISSN:  2100-014X
Wydawca:  E D P SCIENCES, 17 AVE DU HOGGAR PARC D ACTIVITES COUTABOEUF BP 112, F-91944 CEDEX A, FRANCE
Opublikowano: 2012
Seria wydawnicza:  EPJ Web of Conferences
 
  Autorzy / Redaktorzy / Twórcy
Imię i nazwisko Wydział Katedra Procent
udziału
Liczba
punktów
Robert Pastuszko orcid logoWMiBMKatedra Mechaniki**10010.00  

Grupa MNiSW:  Materiały z konferencji międzynarodowej (zarejestrowane w Web of Science)
Punkty MNiSW: 10
Klasyfikacja Web of Science: Proceedings Paper


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Abstract:

The paper presents experimental investigations of boiling heat transfer for a system of connected narrow horizontal and vertical tunnels. These extended surfaces, named narrow tunnel structure (NTS), can be applied to electronic element cooling. The experiments were carried out with ethanol at atmospheric pressure. The tunnel external covers were manufactured out of 0.1 mm thick perforated copper foil (hole diameters 0.5 mm), sintered with the mini-fins, formed on the vertical side of the 10 mm high rectangular fins and horizontal inter-fin surface. Visualization studies were conducted with a transparent structured model of joined narrow tunnels limited with the perforated foil. The visualization investigations aimed to formulate assumptions for the boiling model through distinguishing boiling types and defining all phases of bubble growth.