Study on effect of nanofluid concentration on the performance of heat exchanger

Mohd Zainudin, Salman (2021) Study on effect of nanofluid concentration on the performance of heat exchanger. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

To get the optimum heat transfer performance, a heat exchanger device that uses nanofluid must run at the optimum nanoparticle concentration ratio. In this study, various nanoparticle in nanofluid volume fractions were optimised based on maximal heat transfer rate, total heat transfer coefficient, and performance index. The originality of this study is the optimization of particle volume fraction of different nanofluids based on simulation in the MHCS heat exchanger for a wide range of nanoparticle volume fraction (0–5 %). The nanofluid that will be use in this study is Al2O3/water nanofluid. Other operational conditions' effects on optimization have also been explored. The MCHS dimension is 4(W) × 4(L) × 2(H) milimeter and consists of 11 channels. It will be put into the test section heat exchanger. Based on litterature studies, The expected of this experiment the is the most optimum concentration of all the type of nanofluid is at 1% with Al2O3/water give the best heat transfer performance. The higher concentration of nanofluid will also resulting of increasing reynold number and viscousity. This can result in higher pressure drop and friction loss in the system.

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