Falling film evaporative heat transfer on CNT composite coatings

dc.contributor.authorChoi, Won-seok
dc.contributor.authorKang, Seok-min
dc.contributor.authorWang, Eun-seok
dc.contributor.authorKim, Min-soo
dc.contributor.authorPark, Chan-woo
dc.date.accessioned2015-04-23T08:47:10Z
dc.date.available2015-04-23T08:47:10Z
dc.date.issued2014
dc.description.abstractPaper presented to the 10th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, Florida, 14-16 July 2014.en_ZA
dc.description.abstractThis study aims to enhance falling film type evaporation heat transfer on metal surfaces by coating with multi-walled carbon nanotubes (MWCNTs). In order to do this, multi-walled carbon nanotube/Copper (MWCNT/Cu) composite powders fabricated and composites are sprayed on the surface of Copper plates and are sintered. The falling type evaporation heat transfer tests were performed under working conditions of absorption chiller for water(Pressure: 4 mm Hg). Then the heat transfer tests were performed with various contents of MWCNT coated specimens and falling flow rates of refrigerants. Based on the results, it can be inferred that evaporation heat transfer was enhanced due to the porous structure of the surface coating and the excellent heat transfer characteristics of the MWCNTs.en_ZA
dc.description.librariandc2015en_ZA
dc.format.extent4 pagesen_ZA
dc.format.mediumPDFen_ZA
dc.identifier.citationChoi, WS, Kang, SM, Wang, ES, Kim, MS & Park, CW 2014, 'Falling film evaporative heat transfer on CNT composite coatings', Paper presented to the 10th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, Florida, 14-16 July 2014.en_ZA
dc.identifier.isbn97817759206873
dc.identifier.urihttp://hdl.handle.net/2263/44517
dc.publisherInternational Conference on Heat Transfer, Fluid Mechanics and Thermodynamicsen_ZA
dc.rights© 2014 University of Pretoria. All rights reserved. The copyright in this work vests in the University of Pretoria. No part of this work may be reproduced or transmitted in any form or by any means, without the prior written permission of the University of Pretoria.en_ZA
dc.subjectFalling film type evaporation heat transferen_ZA
dc.subjectFilm type evaporationen_ZA
dc.subjectMulti-walled carbon nanotubesen_ZA
dc.subjectMWCNTsen_ZA
dc.subjectMulti-walled carbon nanotube/Copperen_ZA
dc.subjectMWCNT/Cuen_ZA
dc.subjectFalling flow rates of refrigerantsen_ZA
dc.subjectEvaporation heat transferen_ZA
dc.titleFalling film evaporative heat transfer on CNT composite coatingsen_ZA
dc.typePresentationen_ZA

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