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Heat Transfer Research
Impact-faktor: 0.404 5-jähriger Impact-Faktor: 0.8 SJR: 0.264 SNIP: 0.504 CiteScore™: 0.88

ISSN Druckformat: 1064-2285
ISSN Online: 2162-6561

Volumes:
Volumen 50, 2019 Volumen 49, 2018 Volumen 48, 2017 Volumen 47, 2016 Volumen 46, 2015 Volumen 45, 2014 Volumen 44, 2013 Volumen 43, 2012 Volumen 42, 2011 Volumen 41, 2010 Volumen 40, 2009 Volumen 39, 2008 Volumen 38, 2007 Volumen 37, 2006 Volumen 36, 2005 Volumen 35, 2004 Volumen 34, 2003 Volumen 33, 2002 Volumen 32, 2001 Volumen 31, 2000 Volumen 30, 1999 Volumen 29, 1998 Volumen 28, 1997

Heat Transfer Research

DOI: 10.1615/HeatTransRes.2018026288
pages 435-450

COMPARISON BETWEEN HEAT TRANSFER CHARACTERISTICS OF TiO2/DEIONIZED WATER AND KAOLIN/DEIONIZED WATER NANOFLUIDS IN THE PLATE HEAT EXCHANGER

Ataollah KHANLARI
University of Turkish Aeronautical Association
Adnan Sözen
Gazi University, Technology Faculty, Energy Systems Engineering, 06500, Ankara, Turkey
Halil Ibrahim Variyenli
Gazi University, Technology Faculty, Energy Systems Engineering, 06500, Ankara, Turkey
Metin Gürü
Gazi University, Engineering Faculty, Chemical Engineering, 06500, Ankara, Turkey

ABSTRAKT

The plate heat exchangers, of high efficiency and small size, with corrugated thin plates are compact-type heat exchangers which were widely used in different sectors of industry. To enhance the heat transfer characteristics of plate heat exchangers, nanofluids can be utilized as working fluids. In this study, the effects of using TiO2/deionized water and kaolin/deionized water nanofluids as working fluids in the plate heat exchanger were experimentally analyzed. In order to illustrate the enhancement rate of heat transfer, the experiments were conducted by using deionized water, TiO2/deionized water, and kaolin/deionized water nanofluids. The experiments were done with varying temperature and fluid flow rate. Each nanofluid has 2% (wt./wt.) nanoparticle content. Also, Triton X-100 was added to the prepared mixture as 0.2% of a final concentration to improve the solubility of nanoparticles. The obtained results showed that a kaolin/deionized water nanofluid had higher thermal performance than TiO2/deionized water nanofluid. The maximum increment in the heat transfer rate using TiO2/deionized water and kaolin/deionized water was 12% and 18%, respectively.


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