Experimental investigation of Silver / Water nanofluid heat transfer in car radiator

Jarrah, H. T.; Mohtasebi, Seyed Saeid; Ettefaghi, Ehsanollah; Jaliliantabar, Farzad

doi:10.15282/jmes.15.1.2021.10.0610

Cited by 3 publications

(3 citation statements)

References 44 publications

(61 reference statements)

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“…As the nanoparticle volume concentration and nanofluid flow rate increase, so do the heat transfer rate and overall heat transfer coefficient. This could be due to the increased mass flow rate as well as improved thermal conductivity and other thermal properties of the heat transfer fluid as a result of the enhanced collision between nanoparticles, Brownian motion, the effect of nanoparticle clustering, and so on [48]. The maximum value of the heat transfer rate was 464.42 W at 0.3% volume concentration and 12 litres/min flow rate of nanofluid.…”

Section: Heat Transfer Analysismentioning

confidence: 99%

Heat Transfer and Exergy Analysis of a Shell and Tube Heat Exchanger using PGW based ZnO Nanofluids

Das

Hossain

Ahamed

et al. 2022

Int. J. Automot. Mech. Eng.

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In this experimental work, ZnO nanoparticles were synthesized using the chemical precipitation method, and the nanoparticle structure and morphology were characterized through XRD and SEM. Heat transfer and exergetic characteristics were then studied in a shell and tube heat exchanger using PGW-based ZnO nanofluids varying nanoparticle volume concentration and nanofluid (shell side) flow rate at 6, 8, 10 and 12 litres/min. The hot water flow rate was fixed at 12 litres/min. The experimental results show that the heat transfer rate was improved by increasing the nanoparticle concentration and nanofluid flow rate. When the nanoparticle volume concentration was 0.3 per cent, the maximum enhancement of heat transfer rate and average heat transfer coefficient using ZnO nanofluids were 35.9 per cent and 40.2 per cent, respectively, in comparison to the base fluid. Exergy loss and dimensionless exergy loss both increased with nanofluid flow rate and dropped substantially with increased nanoparticle volume concentrations. The average increment of exergetic effectiveness at three different nanoparticle volume concentration (0.1%, 0.2%, and 0.3%) are 10.68%, 23.64%, and 31.23% respectively. The highest exergetic sustainability index (0.41) and lowest environmental impact factor (2.42) were observed when the nanoparticle concentration was 0.3% with the nanofluid flow rate of 6 litres/min.

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Section: Heat Transfer Analysismentioning

confidence: 99%

Heat Transfer and Exergy Analysis of a Shell and Tube Heat Exchanger using PGW based ZnO Nanofluids

Das

Hossain

Ahamed

et al. 2022

Int. J. Automot. Mech. Eng.

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“…% of (WO 3 /water) nanofluid. Jarrah et al [160] studied Ag/water nanofluids as coolants in a car radiator by using a low volume concentration of nanofluids. It was found to be heat transfer efficiency up to 30.2% in comparison to base fluid (water).…”

Section: Author Empirical Model/ Correlation Factor Consideredmentioning

confidence: 99%

Heat transfer performance of nanofluids in heat exchanger: a review

Barai

Kumar

Wankhade

2023

Journal of Thermal Engineering

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Energy is a key aspect of any country’s economic development. Improving heat transfer performance leads to saving energy. Nanotechnology has a key role to play in optimizing heat exchangers. Fluids containing nanosized particles are called nanofluids. Nanofluids have higher thermal conductivity than typical liquids. This paper outlines current research on convective heat transfer performance, thermophysical properties, particle size, and volume concentration effects in nanofluid studies. M easurement m ethods f ort h ermal conductivity and correlations used by earlier researchers to determine thermal conductivity are also encompassed. The main applications of nanofluids as liibricants a nd radiator systems to improve the efficiency of he at removal fr om ve hicle en gines ha ve al so be en emphasized. Results suggest that by using a larger size of particle some drawbacks include particle sedimentation, clogging, erosion, stability, and increasing pressure drop. Enhancing thermal conductivity with optimum volume concentration. Improving the efficiency of heat exchange systems is one of the possible ways to reduce energy consumption. The need for optimum concentration of nanofluids is required. The Problem of stability, corrosion, and erosion arrived by increasing the volume concentration of nanoparticles in a nanofluid.

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“…By using Al 2 O 3 nanoparticles, the cooling power of the radiator has increased up to 17.46% compared to the original case. Jarrah et al 19 concentrated on the preparation and use of water-based silver containing nanofluids in automobile cooling systems. In the best condition, the Ag/water nanofluids with low concentrations could amend heat transfer efficiency up to 30.2% compared to pure water.…”

Section: Experimental Studiesmentioning

confidence: 99%

Heat transfer evaluation of single and hybrid nanofluids as cooling media in car radiators: A 3D-CFD approach in flat tubes

Kiaei

Adibi

Abedini

2023

Proceedings of the Institution of Mechanical Engineers, Part E:

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Forced heat transfer of Al2O3-water, CuO-water, and TiO2-water nanofluids, Al2O3-CuO-water, Al2O3-TiO2-water, and CuO-TiO2-water nanoparticles in volumetric concentrations of 0.5%, 0.9%, and 2% were studied in a flat tube car radiator. In this work, the thermal performance of hybrid nanofluid will be compared with mono nanofluid and pure water base fluid. These nanoparticles were combined in ratios of (75:25), (50:50), and (25:75) in pure water. Mono and hybrid nanofluids with an inlet temperature of 90 °C, and in different Reynolds numbers (272–816) were studied and numerically simulated. The heat transfer performances of mono and hybrid nanofluids were determined using Nusselt number (Nu), overall heat transfer coefficient ( U), convective heat transfer coefficient ( h), and heat transfer rate ( Qa). The results show an enhancement in the thermal performances of the radiator with an increase in Reynolds number and volume concentration as follows: (Al2O3-water > Al2O3-CuO-water (75:25) > Al2O3-CuO-water (50:50) >Al2O3-CuO-water (25:75) > Al2O3-TiO2-water (75:25) > CuO-TiO2-water (75:25) > Al2O3-TiO2-water (50:50) > CuO-TiO2-water (50:50) > CuO-water > Al2O3-TiO2-water (25:75) > CuO-TiO2-water (25:75) > TiO2-water).

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Experimental investigation of Silver / Water nanofluid heat transfer in car radiator

Cited by 3 publications

References 44 publications

Heat Transfer and Exergy Analysis of a Shell and Tube Heat Exchanger using PGW based ZnO Nanofluids

Heat Transfer and Exergy Analysis of a Shell and Tube Heat Exchanger using PGW based ZnO Nanofluids

Heat transfer performance of nanofluids in heat exchanger: a review

Heat transfer evaluation of single and hybrid nanofluids as cooling media in car radiators: A 3D-CFD approach in flat tubes

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