Computational investigation of heat transfer of nanofluids in domestic water heat exchanger

Recent development of nanotechnology led to the concept of using suspended nanoparticles in the heat transfer fluids to improve the heat transfer properties of the base fluids. The heat transfer enhancement by nanofluids is the significant concerns in the efficiency of domestic water heat exchanger...

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Main Author:	Lee, Yoke Keen
Format:	Thesis
Published:	2014
Subjects:	TJ Mechanical engineering and machinery
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id	my-utm-ep.41807
record_format	uketd_dc
spelling	my-utm-ep.418072020-07-05T08:18:27Z Computational investigation of heat transfer of nanofluids in domestic water heat exchanger 2014 Lee, Yoke Keen TJ Mechanical engineering and machinery Recent development of nanotechnology led to the concept of using suspended nanoparticles in the heat transfer fluids to improve the heat transfer properties of the base fluids. The heat transfer enhancement by nanofluids is the significant concerns in the efficiency of domestic water heat exchanger system. A computational investigation of the heat transfer in a domestic water heat exchanger is conducted on the water and water-based nanofluids. Copper (Cu) nanoparticle and Alumina (Al2O3) nanoparticle are selected in the water-based nanofluids. Volume fraction of nanoparticle in the nanofluids is set at 0.5 %, 1.0 %, 1.5 %, 2.0 %, 2.5 %, 3.0 %. Heat exchanger has been invented for the heat transfer from one medium to another medium in many heat transfer systems. Domestic water heat exchanger can be used in a heat pump domestic water heating system. The density, the thermal conductivity, and the dynamic viscosity of the water base fluid are increased while the specific heat capacity of the water base fluid is reduced with the addition of copper as well as alumina nanoparticle. Addition of copper nanoparticle into the water-based heat transfer fluid significantly increases the domestic hot water temperature. The efficiency of domestic water heat exchanger system is optimum when 1.5 % copper or alumina nanoparticle is added into the water-based heat transfer fluid. 2014 Thesis http://eprints.utm.my/id/eprint/41807/ http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:73513?queryType=vitalDismax&query=Computational+investigation+of+heat+transfer+of+nanofluids&public=true masters Universiti Teknologi Malaysia, Faculty of Mechanical Engineering Faculty of Mechanical Engineering
institution	Universiti Teknologi Malaysia
collection	UTM Institutional Repository
topic	TJ Mechanical engineering and machinery
spellingShingle	TJ Mechanical engineering and machinery Lee, Yoke Keen Computational investigation of heat transfer of nanofluids in domestic water heat exchanger
description	Recent development of nanotechnology led to the concept of using suspended nanoparticles in the heat transfer fluids to improve the heat transfer properties of the base fluids. The heat transfer enhancement by nanofluids is the significant concerns in the efficiency of domestic water heat exchanger system. A computational investigation of the heat transfer in a domestic water heat exchanger is conducted on the water and water-based nanofluids. Copper (Cu) nanoparticle and Alumina (Al2O3) nanoparticle are selected in the water-based nanofluids. Volume fraction of nanoparticle in the nanofluids is set at 0.5 %, 1.0 %, 1.5 %, 2.0 %, 2.5 %, 3.0 %. Heat exchanger has been invented for the heat transfer from one medium to another medium in many heat transfer systems. Domestic water heat exchanger can be used in a heat pump domestic water heating system. The density, the thermal conductivity, and the dynamic viscosity of the water base fluid are increased while the specific heat capacity of the water base fluid is reduced with the addition of copper as well as alumina nanoparticle. Addition of copper nanoparticle into the water-based heat transfer fluid significantly increases the domestic hot water temperature. The efficiency of domestic water heat exchanger system is optimum when 1.5 % copper or alumina nanoparticle is added into the water-based heat transfer fluid.
format	Thesis
qualification_level	Master's degree
author	Lee, Yoke Keen
author_facet	Lee, Yoke Keen
author_sort	Lee, Yoke Keen
title	Computational investigation of heat transfer of nanofluids in domestic water heat exchanger
title_short	Computational investigation of heat transfer of nanofluids in domestic water heat exchanger
title_full	Computational investigation of heat transfer of nanofluids in domestic water heat exchanger
title_fullStr	Computational investigation of heat transfer of nanofluids in domestic water heat exchanger
title_full_unstemmed	Computational investigation of heat transfer of nanofluids in domestic water heat exchanger
title_sort	computational investigation of heat transfer of nanofluids in domestic water heat exchanger
granting_institution	Universiti Teknologi Malaysia, Faculty of Mechanical Engineering
granting_department	Faculty of Mechanical Engineering
publishDate	2014
_version_	1747816622429569024

Computational investigation of heat transfer of nanofluids in domestic water heat exchanger

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