Heat transfer performance and exergy analyses of a corrugated plate heat exchanger using metal oxide nanofluids

Khairul, M.A.; Алим, М. А.; Mahbubul, I.M.; Saidur, R.; Hepbaşlı, Arif; Hossain, Altab

doi:10.1016/j.icheatmasstransfer.2013.11.006

Cited by 138 publications

(40 citation statements)

References 27 publications

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“…Adding more nanoparticles to the working fluid will result in increasing of the density and the pressure drop, and thus increasing the pumping power for the system. The similar results had also been reported by some investigators (Kabeel et al 2013;Khairul et al 2014). However, the penalty in pressure drop and pumping power using nanofluid is so small in which it does not give any significant impact on the effective efficiency of the system.…”

Section: Pumping Powersupporting

confidence: 88%

“…Suspension of thermal boundary layer formation and Energy, economic, and environmental analysis disturbance of the SiO 2 nanoparticles in the mixture could also rise at higher concentration of nanofluid and, therefore, resulting in higher heat transfer coefficient. Results are agreed with Kabeel et al (2013) and Khairul et al (2014). Table 5 shows the value of the specific heat, the density, and the Prandtl number of the working fluid calculated from Eqs.…”

Section: Exergy Destruction and Entropy Generationsupporting

confidence: 73%

See 1 more Smart Citation

Energy, economic, and environmental analysis of a flat-plate solar collector operated with SiO2 nanofluid

Faizal

Saidur

Mekhilef

et al. 2014

Clean Techn Environ Policy

Self Cite

101

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To overcome the environmental impact and declining source of fossil fuels, renewable energy sources need to meet the increasing demand of energy. Solar thermal energy is clean and infinite, suitable to be a good replacement for fossil fuel. However, the current solar technology is still expensive and low in efficiency. One of the effective ways of increasing the efficiency of solar collector is to utilize high thermal conductivity fluid known as nanofluid. This research analyzes the impact on the performance, fluid flow, heat transfer, economic, and environment of a flat-plate solar thermal collector by using silicon dioxide nanofluid as absorbing medium. The analysis is based on different volume flow rates and varying nanoparticles volume fractions. The study has indicated that nanofluids containing small amount of nanoparticles have higher heat transfer coefficient and also higher energy and exergy efficiency than base fluids. The measured viscosity of nanofluids is higher than water but it gives negligible effect on pressure drop and pumping power. Using SiO 2 nanofluid in solar collector could also save 280 MJ more embodied energy, offsetting 170 kg less CO 2 emissions and having a faster payback period of 0.12 years compared to conventional water-based solar collectors.

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Section: Pumping Powersupporting

confidence: 88%

Section: Exergy Destruction and Entropy Generationsupporting

confidence: 73%

Energy, economic, and environmental analysis of a flat-plate solar collector operated with SiO2 nanofluid

Faizal

Saidur

Mekhilef

et al. 2014

Clean Techn Environ Policy

Self Cite

101

View full text Add to dashboard Cite

show abstract

“…These findings were incongruent with the results of Elias et al 60 who found a significant rise in heat transfer coefficient and heat transfer rate using 0%-1% Al 2 O 3 and SiO 2 nanofluid concentrations. Khairul et al 61 obtained the same results as Elias et al 60 using CuO nanofluid up to 1.5% in a corrugated PHE.…”

Section: Inside Heat Exchangerssupporting

confidence: 60%

A survey on experimental and numerical studies of convection heat transfer of nanofluids inside closed conduits

Safaei

Shadloo

Goodarzi

et al. 2016

Advances in Mechanical Engineering

105

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Application of nanofluids in heat transfer enhancement is prospective. They are solid/liquid suspensions of higher thermal conductivity and viscosity compared to common working fluids. A number of studies have been performed on the effect of nanofluids in heat transfer to determine the enhancement of properties in addition to rearrangement of flow passage configurations. The principal objective of this study is to elaborate this research based on natural, forced, and the mixed heat transfer characteristics of nanofluids exclusively via convection for single-and two-phase mixture models. In this study, the convection heat transfer to nanofluids has been reviewed in various closed conduits both numerically and experimentally.

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“…For the same range of Reynolds numbers, adding nanoparticles to the base fluid enhanced heat transfer performance, which resulted in higher heat transfer coefficients than that of the base fluid. Khairul et al [246] studied the effects of water and CuOewater nanofluids in a corrugated plate heat exchanger. The heat transfer coefficient of CuOewater nanofluids increased from approximately 18.50%e27.20% compared with nanoparticle volume concentration of water from 0.50% to 1.50%.…”

Section: Heat Transfer Performancementioning

confidence: 99%

A comprehensive review of thermo-physical properties and convective heat transfer to nanofluids

Solangi

Kazi

Luhur

et al. 2015

Energy

237

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Heat transfer performance and exergy analyses of a corrugated plate heat exchanger using metal oxide nanofluids

Cited by 138 publications

References 27 publications

Energy, economic, and environmental analysis of a flat-plate solar collector operated with SiO2 nanofluid

Energy, economic, and environmental analysis of a flat-plate solar collector operated with SiO2 nanofluid

A survey on experimental and numerical studies of convection heat transfer of nanofluids inside closed conduits

A comprehensive review of thermo-physical properties and convective heat transfer to nanofluids

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