Phase change heat exchangers made of pin-fins for boiling enhancement

• Autorzy: Orman Łukasz J. , Radek Norbert , Pietraszek Jacek , Gontarski Dariusz

Identyfikatory

DOI

10.2478/cqpi-2019-0059

• Języki publikacji: EN

Abstrakty

EN

The paper deals with the important issue of boiling heat transfer enhancement using mechanical treatment of the heater surface. The surface has been modified in such a way that microfins have been produced. The application of such a structure leads to highly increased heat fluxes in relation to the smooth surface as has been presented and discussed in the paper. The experiments including distilled water and ethyl alcohol on the horizontal copper samples of 3 cm diameter have been considered. The heat flux value of microfinned surface was even nine times higher than the heat flux dissipated from the smooth surface without any coating. It proves a considerable enhancement of boiling with the application of the mechanically treated surfaces of heat exchangers.

Słowa kluczowe

EN

boiling heat transfer; microfins; microstructure

PL

wymiana ciepła; mikrowłókna; mikrostruktura

• Wydawca: De Gruyter
• Czasopismo: Quality Production Improvement - QPI
• Rocznik: 2019
• Tom: Vol. 1, Iss. 1
• Strony: 433--439
• Opis fizyczny: Bibliogr. 32 poz., rys.

Twórcy

autor

Orman Łukasz J.

• Kielce University of Technology, Poland

autor

Radek Norbert

• Kielce University of Technology, Poland

autor

Pietraszek Jacek

• Krakow University of Technology, Poland

autor

Gontarski Dariusz

• Kielce University of Technology, Poland

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).