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[42424] Artykuł:

The Use Of Enhanced Surface in Flow Boiling Heat Transfer in a Rectangular Minichannel

Czasopismo: Experimental Heat Transfer   Tom: 27, Zeszyt: 3, Strony: 231-255
ISSN:  0891-6152
Opublikowano: Styczeń 2014
 
  Autorzy / Redaktorzy / Twórcy
Imię i nazwisko Wydział Katedra Procent
udziału
Liczba
punktów
Magdalena Piasecka orcid logoWMiBMKatedra Mechaniki**10020.00  

Grupa MNiSW:  Publikacja w czasopismach wymienionych w wykazie ministra MNiSzW (część A)
Punkty MNiSW: 20
Klasyfikacja Web of Science: Article


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Keywords:

flow boiling, minichannel, enhanced heating wall, liquid crystal thermography, void fraction, two\-phase pressure drop  



Abstract:

The results of flow boiling heat transfer in a 1-mm-deep vertical minichannel are presented. The heating element for an FC-72 laminar flow in a minichannel is a single-sided enhanced foil with various depressions; liquid crystal thermography was used for measuring temperature distribution of the foil. The void fraction and vapor quality were determined for some cross-sections of two-phase flow images. Results presented in the form of boiling curves were analyzed. Both typical and untypical shapes of boiling curves were found. The suitability of classical methods of two-phase pressure drop determination using experimental verification was confirmed.