Experimental measurements of thermal conductivity of engine oil-based hybrid and mono nanofluids with tungsten oxide (WO3) and MWCNTs inclusions

Soltani, Farid; Toghraie, Davood; Karimipour, Arash

doi:10.1016/j.powtec.2020.05.059

Cited by 128 publications

(17 citation statements)

References 41 publications

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“…It was concluded the maximum absolute value with 0.0095 error and 1.6684e-05 train performance. Soltani et al (2020) were investigated the experimental analysis to measure the WO3-MWCNTs/Engine Oil thermal conductivity and establishing a new significance. The hybrid nanofluid thermal conductivity was increased by 19.85% compared to the base fluid at T = 60 °C and ϕ = 0.6%.…”

Section: Frontiers In Heat and Mass Transfermentioning

confidence: 99%

The Impact of Alumina Nanoparticles Suspended in Ethylene Glycol on the Performance Efficiency of a Double Pipe Heat Exchanger

Ali¹,

Alsaffawi²,

Mohammed³

2020

Frontiers in Heat and Mass Transfer

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Section: Frontiers In Heat and Mass Transfermentioning

confidence: 99%

The Impact of Alumina Nanoparticles Suspended in Ethylene Glycol on the Performance Efficiency of a Double Pipe Heat Exchanger

Ali¹,

Alsaffawi²,

Mohammed³

2020

Frontiers in Heat and Mass Transfer

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“…They have reported that for a given Reynolds number, the nanofluid containing 2 vol.% Cu nanoparticles had greater (by 60%) convective heat transfer coefficient in comparison to pure water. Additionally, in several investigations it has been shown that the nanofluids possessing low amount of nanoparticles can have 10% higher thermal conductivity [13][14][15][16][17][18][19][20]. In another research, Naphon [21] thermal conductivity of the fluid containing only 0.3 vol.% Cu nanoparticles was increased by about 40% which is significant.…”

Section: Introductionmentioning

confidence: 95%

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

Jarrah

Mohtasebi

Ettefaghi³

et al. 2021

JMES

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Currently available fluids for heat transfer including refrigerants, water, ethylene glycol mixture, etc., have been widely exploited in various fields, especially in automobile cooling systems, for many years. However, these fluids possess poor heat transfer capability which means that to achieve acceptable heat transfer activity, high compactness and effectiveness of heat transfer systems are essential. This research work concentrates on preparation and use of water based Silver containing nanofluids in automobile cooling system. Nanoparticles volume fraction, fluid inlet temperature, coolant and air Reynolds numbers were optimized so that the heat transfer performance of the car radiator system was totally improved. It was found that increasing these parameters leads to enhancement of the heat transfer performance. In the best condition, the Ag/water nanofluids with low concentrations could amend heat transfer efficiency up to 30.2% in comparison to pure water.

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“…Many solutions have been recommended by various researchers to reduce energy consumption (Ahmadi et al, 2017;Ahmad et al, 2018;Nwaji et al, 2019;Sarafraz et al, 2019;Azimi Fereidani et al, 2021;Nundy et al, 2021). Techniques include installing PCM (Ahangari and Maerefat, 2019;Lizana et al, 2019;Ziasistani and Fazelpour, 2019;Ben Romdhane et al, 2020;Miansari et al, 2020;Saxena et al, 2020), heat recovery (Liu et al, 2020;Shahsavar Goldanlou et al, 2020), using solar energy (Toghraie et al, 2018;Gagliano et al, 2019;Parsa et al, 2019;Gholipour et al, 2020;Menni et al, 2020;Parsa et al, 2020;Poon et al, 2020;Gholipour et al, 2021), other renewables such as wind (Jahangiri et al, 2019;Mostafaeipour et al, 2019;Kalbasi et al, 2021), geothermal sources (Kang et al, 2013;Palmero-Marrero et al, 2020) and finally using nanofluid (Kulkarni et al, 2009;Strandberg and Das, 2010;Moradi et al, 2019;Soltani et al, 2020;Mustafa et al, 2021). Considering the hot and dry climate, Li et al (2019) by conducting a numerical study examined the effect of adding RT-27 PCM to a wall with 20 cm thickness.…”

Section: Introductionmentioning

confidence: 99%

Loading PCM Into Buildings Envelope to Decrease Heat Gain-Performing Transient Thermal Analysis on Nanofluid Filled Solar System

et al. 2021

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The high share of buildings in energy consumption and carbon dioxide emission has led researchers to seek techniques to reduce energy consumption in this sector. In this study, considering a hot and arid climate region, the wall’s heat gain was investigated. To reduce energy demand, three techniques of adding PCM, combining absorption chiller with a solar system and dispersing nanoparticles were used and the results were evaluated transiently. In July, the addition of PCM to the building's walls reduced the heat exchange between interior and exterior spaces up to 21%. To cool the interior spaces, the combination of absorption chiller + fan coil was used and several flat plate collectors were integrated with it to reduce energy demand. By collecting energy in solar collectors and using a stratified tank, energy consumption in the generator section was reduced by 450 kWh. Nanoparticles were used to improve the solar system performance and it was found that loading ZnO and Al2O3 nanoparticles is useful. Dispersing ZnO into water increased the energy-saving by 9.5% while the second nanoparticle improved it by 14.5%.

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Experimental measurements of thermal conductivity of engine oil-based hybrid and mono nanofluids with tungsten oxide (WO3) and MWCNTs inclusions

Cited by 128 publications

References 41 publications

The Impact of Alumina Nanoparticles Suspended in Ethylene Glycol on the Performance Efficiency of a Double Pipe Heat Exchanger

The Impact of Alumina Nanoparticles Suspended in Ethylene Glycol on the Performance Efficiency of a Double Pipe Heat Exchanger

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

Loading PCM Into Buildings Envelope to Decrease Heat Gain-Performing Transient Thermal Analysis on Nanofluid Filled Solar System

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