<abstract xmlns="http://www.w3.org/1999/xhtml"><p>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.</p></abstract>

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.

Phase Change Heat Exchangers Made of Pin-Fins for Boiling Enhancement

Conference Quality Production Improvement – CQPI

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Phase Change Heat Exchangers Made of Pin-Fins for Boiling Enhancement"}

The paper deals with the important issue of boiling heat transfer enhancement using mechanical treatment of the heater surface. The surface has been modified...

Phase Change Heat Exchangers Made of Pin-Fins for Boiling Enhancement

Online veröffentlicht: 08. Okt. 2019

Seitenbereich: 433 - 439

Eingereicht: 28. März 2019

Akzeptiert: 28. Mai 2019

DOI: https://doi.org/10.2478/cqpi-2019-0059

Schlüsselwörter
boiling heat transfer, microfins, microstructure

© 2019 Łukasz J. Orman et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Phase Change Heat Exchangers Made of Pin-Fins for Boiling Enhancement

Online veröffentlicht: 08. Okt. 2019

Seitenbereich: 433 - 439

Eingereicht: 28. März 2019

Akzeptiert: 28. Mai 2019

DOI: https://doi.org/10.2478/cqpi-2019-0059

Schlüsselwörterboiling heat transfer, microfins, microstructure

© 2019 Łukasz J. Orman et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Schlüsselwörter
boiling heat transfer, microfins, microstructure