Convective heat transfer enhancement of graphene nanofluids in shell and tube heat exchanger

Ghozatloo, Ahmad; Rashidi, Alimorad; Shariaty-Niassar, Mojtaba

doi:10.1016/j.expthermflusci.2013.11.018

Cited by 196 publications

(72 citation statements)

References 19 publications

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“…To improve the heat exchange rate the conventional technique is to increase the surface area; however, here the cost comes to the main parameter. Some researches accessible on effective cooling of heat exchanger with GNFs on flow arrangement [189,229], flow regime [128,184], and construction [153,164]. From the studies, at a fixed Re number, the rise of loading graphene to water enhances the convective heat transfer coefficient.…”

Section: Applications Of Gnfmentioning

confidence: 99%

Review on the recent progress in the preparation and stability of graphene-based nanofluids

Mahian

Wongwises

et al. 2020

J Therm Anal Calorim

110

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Graphene has attracted much attention from the science world because of its mechanical, thermal, and physical properties. Graphene nanofluid is well known for its easy synthesis, longer suspension stability, higher heat conductivity, lower erosion, corrosion, larger surface area/volume ratio, and lower demand for pumping power. This article is an audit of experimental outcome about the preparation and stability of graphene-based nanofluids. Numerous researches to prepare and stabilize graphene-based nanofluids have been developed, and it is indispensable to create a complete list of the approaches. This research work outlines the advancement on preparation and assessment methods and the techniques to enhance the stability of graphene nanofluids and outlook prospects.

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Section: Applications Of Gnfmentioning

confidence: 99%

Review on the recent progress in the preparation and stability of graphene-based nanofluids

Mahian

Wongwises

et al. 2020

J Therm Anal Calorim

110

View full text Add to dashboard Cite

show abstract

“…Heris and colleagues used Al 2 O 3 /water nanofluid in a circular pipe, the experimental results indicate that the heat transfer coefficient of nanofluids increases with Peclet number as well as the nanoparticles concentration. Ghozatloo and colleagues did experimental study using graphene nanofluids in a shell and tube heat exchanger. They found that thermal conductivity of the graphene nanofluids at 25 °C increased by 15%, 29.2%, and 12.6% for 0.05 wt%, 0.075 wt%, and 0.1 wt% nanofluid, respectively.…”

Section: Introductionmentioning

confidence: 99%

Experimental investigation of convective heat transfer coefficient of Al₂O₃/water nanofluid at lower concentrations in a car radiator

Gulhane¹,

Chincholkar²

2017

Heat Trans. Asian Res.

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For many years, water and ethylene glycol were used as conventional coolants in automotive car radiators, but these coolants offer lower thermal conductivity than is required. This study is focused on the application of water‐based Al2O3 nanofluid at lower concentrations in a car radiator. The Al2O3 nanoparticles with an average diameter of 50 nm are dispersed in demineralized water at four different volume concentrations (0.1 vol. % to 0.4 vol. %) without any dispersant or stabilizer. Flow rate is varied in the range of 2 l/min to 5 l/min and inlet coolant temperature to the radiator is set to 50 °C, 60 °C, and 70 °C. The results show that the heat transfer coefficient increases with an increase in particle concentration, flow rate, and inlet temperature of coolant and the maximum increase in heat transfer coefficient is 45.87 % compared to pure water. However, the Nusselt number increases with the increase in particle concentration, Reynolds number, and inlet temperature of the coolant. In addition with the experimental study, a regression analysis is performed by using the ANOVA method and generates a correlation for the convective heat transfer coefficient.

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“…Athigher temperatures, the effect of graphene concentration in water is more noticeable. By increase of concentration of graphene from 0.025% to 0.1%wt, 15.3% Increment in heat coefficient was observed at 25°C, at 38°C, increment of 23.9% in heat coefficient was notedat 25 0 C [11].…”

Section: Graphene Oxidementioning

confidence: 95%

Effect of Different Nanofluids on Performance of Shell and Tube Heat Exchanger: A Review

Kamthe¹

2017

IJRET

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Convective heat transfer enhancement of graphene nanofluids in shell and tube heat exchanger

Cited by 196 publications

References 19 publications

Review on the recent progress in the preparation and stability of graphene-based nanofluids

Review on the recent progress in the preparation and stability of graphene-based nanofluids

Experimental investigation of convective heat transfer coefficient of Al₂O₃/water nanofluid at lower concentrations in a car radiator

Effect of Different Nanofluids on Performance of Shell and Tube Heat Exchanger: A Review

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Convective heat transfer enhancement of graphene nanofluids in shell and tube heat exchanger

Cited by 196 publications

References 19 publications

Review on the recent progress in the preparation and stability of graphene-based nanofluids

Review on the recent progress in the preparation and stability of graphene-based nanofluids

Experimental investigation of convective heat transfer coefficient of Al2O3/water nanofluid at lower concentrations in a car radiator

Effect of Different Nanofluids on Performance of Shell and Tube Heat Exchanger: A Review

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Experimental investigation of convective heat transfer coefficient of Al₂O₃/water nanofluid at lower concentrations in a car radiator