Heat transfer growth of sonochemically synthesized novel mixed metal oxide ZnO+Al2O3+TiO2/DW based ternary hybrid nanofluids in a square flow conduit

Ahmed, Waqar; Kazi, S.N.; Chowdhury, Zaira Zaman; Johan, Mohd Rafie; Mehmood, Shahid; Soudagar, Manzoore Elahi M.; Mujtaba, M.A.; Gul, M.; Ahmad, Muhammad Shakeel

doi:10.1016/j.rser.2021.111025

Cited by 87 publications

(24 citation statements)

References 36 publications

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“…The viscosity of hybrid and ternary nanofluids has been a major area of study as well as thermal conductivity. Ahmed et al [65] measured the viscosity of a water-based ternary nanofluid with equal parts of ZnO, TiO 2 , and Al 2 O 3 nanoparticles. As with other water-based nanofluids, as the concentration increased, the viscosity increased as well.…”

Section: Viscosity Of Ternary Nanofluidsmentioning

confidence: 99%

Nanofluid Heat Transfer: Enhancement of the Heat Transfer Coefficient inside Microchannels

et al. 2022

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The purpose of this paper is to investigate the effects of a connector between two microchannels, for the first time. A brief literature review is provided to offer a better understanding on the impacts of concentration and the characteristics of nanoparticles on thermal conductivity, viscosity, and, consequently, the heat transfer coefficient inside the microchannels. The given literature review aims to help engineer nanofluids to enhance the heat transfer coefficient inside the microchannels. In this research, Fe₃O₄ nanoparticles were introduced into the base liquid to enhance the heat transfer coefficient inside the microchannels and to provide a better understanding of the impact of the connector between two microchannels. It was observed that the connector has a significant impact on enhancing the heat transfer coefficient inside the second microchannel, by increasing the level of randomness of molecules and particles prior to entering the second channel. The connector would act to refresh the memory of the fluid before entering the second channel, and as a result, the heat transfer coefficient in the second channel would start at a maximum value. Therefore, the overall heat transfer coefficient in both microchannels would increase for given conditions. The impacts of the Reynolds number and introducing nanoparticles in the base liquid on effects induced by the connector were investigated, suggesting that both factors play a significant role on the connector’s impact on the heat transfer coefficient.

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Section: Viscosity Of Ternary Nanofluidsmentioning

confidence: 99%

Nanofluid Heat Transfer: Enhancement of the Heat Transfer Coefficient inside Microchannels

et al. 2022

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“…The word "nanoparticles" relates to particles with sizes varying from 1 to 100 nm. NPs are commonly employed by combining them with a base fluid to create nanofluids [109,110]. The nanofuel additives have been used to improve the performance of the fuel.…”

Section: Biodieselmentioning

confidence: 99%

Developments in Nanoparticles Enhanced Biofuels and Solar Energy in Malaysian Perspective: A Review of State of the Art

Fayaz

Khan

Saleel

et al. 2022

Journal of Nanomaterials

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The rapid rise in global oil prices, the scarcity of petroleum sources, and environmental concerns have all created severe issues. As a result of the country’s rapid expansion and financial affluence, Malaysia’s energy consumption has skyrocketed. Biodiesel and solar power are currently two of the most popular alternatives to fossil fuels in Malaysia. These two types of renewable energy sources appear to be viable options because of their abundant availability together with environmental and performance competence to highly polluting and fast depleting fossil fuels. The purpose of adopting renewable technology is to expand the nation’s accessibility to a reliable and secure power supply. The current review article investigates nonconventional energy sources added with nanosized metal particles called as nanomaterials including biodiesel and solar, as well as readily available renewable energy options. Concerning the nation’s energy policy agenda, the sources of energy demand are also investigated. The article evaluates Malaysia’s existing position in renewable energy industries, such as biodiesel and solar, as well as the impact of nanomaterials. This review article discusses biodiesel production, applications, and government policies in Malaysia, as well as biodiesel consumption and recent developments in the bioenergy sector, such as biodiesel property modifications utilizing nanoparticle additions. In addition, the current review study examines the scope of solar energy, different photovoltaic concentrators, types of solar energy harvesting systems, photovoltaic electricity potential in Malaysia, and the experimental setup of solar flat plate collectors (FPC) with nanotechnology.

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“…Response DB15-HNT = 42.1 + 18.5 × A − 6.2 × B + 19.5 × C − 32.0 × D − 13.4 × E − 3.4 × AB + 11.8 × AC − 3.0 × BC − 19.8 × A 2 + 1.6 × B 2 − 27.5 × C 2 + 24.2 × D 2 + 23.4 × E 2 (1) The regression coefficient [51][52][53][54][55][56][57][58][59][60][61][62][63] indicates the effect of various features affecting the adsorption capacity on the adsorption capacity [64][65][66][67]. The surface and contour plots represented in Figure 14 show the combined effect of two features on the process of adsorption.…”

Section: Statistical Process Optimizationmentioning

confidence: 99%

A Recent Study on Remediation of Direct Blue 15 Dye Using Halloysite Nanotubes

et al. 2021

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A set of lab-scale experiments were designed and conducted to remedy Direct Blue 15 (DB15) dye using nontoxic halloysite nanotubes (HNT) with the view to be utilized in a textile industrial effluent (TIE). The DB15 adsorbed-HNT “sludge” was used as a reinforcing agent and plastic waste to fabricate the composite. To advance the knowledge and further understand the chemical phenomena associated with DB15 adsorption on HNT, different factors like pH value, adsorbate initial concentration, adsorbent dosage, and temperature on the composite were affected experimentally tested. To estimate the adsorption capacity of HNT, nine isotherm models were applied, and it was identified that the Brouers–Sotolongo adsorption isotherm model represented the best accuracy for predicting the adsorption behavior of the HNT. Likewise, the pseudo-second-order reaction was the predominant mechanism for the overall rate of the multi-step dye adsorption process. Additionally, it was demonstrated that the mass transfer during the process is diffusion-controlled, and thermodynamic assessments showed that the process is physisorption.

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Heat transfer growth of sonochemically synthesized novel mixed metal oxide ZnO+Al2O3+TiO2/DW based ternary hybrid nanofluids in a square flow conduit

Cited by 87 publications

References 36 publications

Nanofluid Heat Transfer: Enhancement of the Heat Transfer Coefficient inside Microchannels

Nanofluid Heat Transfer: Enhancement of the Heat Transfer Coefficient inside Microchannels

Developments in Nanoparticles Enhanced Biofuels and Solar Energy in Malaysian Perspective: A Review of State of the Art

A Recent Study on Remediation of Direct Blue 15 Dye Using Halloysite Nanotubes

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