Viscosity Analysis of ZnO enriched Neem Oil Biolubricant at Sub Zero Temperatures

Ganesha, A; Girish, H; Shilpa, M.; Gurumurthy, SC; Pai, Raghuvir; Kumar, Nitesh

doi:10.1109/icmiam54662.2021.9715207

Cited by 2 publications

(3 citation statements)

References 31 publications

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“… Scanning electron microscopic images of wear scars of palm oil, with surfactant and CuO nanoparticles. (a) SEM image of wear scar of chemically modified palm oil (CMPO), (b) SEM image of wear scar of chemically modified palm oil (CMPO) with 1% surfactant, (c) SEM image of wear scar of chemically modified palm oil (CMPO) with 1% CuO nanoparticle, (d) SEM image of wear scar of chemically modified palm oil (CMPO) with 1% surfactant and 1% CuO nanoparticle …”

Section: Biolubricants Testingmentioning

confidence: 99%

“…140 The addition of ZnO nanoparticles in optimized concentration blended in neem oil prevents the rise in viscosity, clearly manifesting ZnO as a pour point depressant at subzero temperature. 141 3.3.7. Viscosity Index Improvers (VIIs).…”

Section: Pour Point Depressants (Ppds)mentioning

confidence: 99%

“…The results have shown that on adding PPD, the stated biolubricant is capable of withstanding lower temperatures . The addition of ZnO nanoparticles in optimized concentration blended in neem oil prevents the rise in viscosity, clearly manifesting ZnO as a pour point depressant at subzero temperature …”

Section: Biolubricants: Nature and Challengesmentioning

confidence: 99%

See 2 more Smart Citations

A Review on the Effect of Metal Oxide Nanoparticles on Tribological Properties of Biolubricants

Uniyal,

Gaur,

Yadav

et al. 2024

ACS Omega

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This review provides a comprehensive and accessible literature review on the integration of nanoparticles into biolubricants to enhance wear and friction regulation, thus improving the overall lubricated system performance. Nanotechnology has significantly impacted various industries, particularly in lubrication. Nanobiolubricants offer promising avenues for enhancing tribological properties. This review focuses on oxide nanoparticles, such as zinc oxide (ZnO), aluminum oxide (Al 2 O 3 ), copper oxide (CuO), titanium dioxide (TiO 2 ), zirconium dioxide (ZrO 2 ), and graphene oxide (GO) nanoparticles, for their ability to enhance lubricant performance. The impact of nanoparticle concentration on biolubricant properties, including viscosity, viscosity index, flash point temperature, and pour point temperature, is analyzed. The review also addresses potential obstacles and limitations in nanoparticle incorporation, aiming to propose effective strategies for maximizing their benefits. The findings underscore the potential of nanobiolubricants to improve operational efficiency and component lifespan. This review aims to provide valuable insights for researchers, engineers, and professionals in exploring and leveraging nanotechnology's potential in the lubrication industry. This review paper explores the basics of tribology along with its significance, green principles, mechanisms, and energy savings because of friction, wear, and lubrication. Condition monitoring techniques are also explored to achieve brief knowledge about maintaining reliability and safety of the industrial components. Recent advances in tribology including superconductivity, biotribology, hightemperature tribology, tribological simulation, hybrid polymer composite's tribology, and cryogenic tribology are investigated, which gives a thorough idea about the subject.

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Section: Biolubricants Testingmentioning

confidence: 99%

Section: Pour Point Depressants (Ppds)mentioning

confidence: 99%

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A Review on the Effect of Metal Oxide Nanoparticles on Tribological Properties of Biolubricants

Uniyal,

Gaur,

Yadav

et al. 2024

ACS Omega

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Machine Learning-Based Predictive Model to Assess Rheological Dynamics of Eco-Friendly Oils as Biolubricants Enriched with SiO2 Nanoparticles

Hariharan,

Navada,

Brahmavar

et al. 2024

Lubricants

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Efficient machinery operation relies on the performance of high-quality lubricants. Currently, mineral oils of different grades are widely employed for lubricating machine components, but their environmental impact is a concern. Biolubricants are potential alternatives to mineral oils due to environmental factors. The present study focuses on assessing the rheological characteristics of SiO2 nanoparticle (NP)-enhanced ecofriendly biolubricants for near zero and high-temperature conditions. Pure neem oil, pure castor oil and a 50:50 blend of both oils were considered as the base oils. Nanobiolubricants with enhanced dispersion stability were prepared for varied concentrations of NPs using an ultrasonification method. Viscosity analysis was conducted using an MCR-92 rheometer, employing the Herschel Bulkley model to precisely characterize the viscosity behavior of bio-oils. Due to the fluid–solid interaction between SiO2 NPs and bio-oils, a crossover trend was observed in the flow curves generated for different base oils enriched with SiO2 NPs. For neem oil, a significant increase in viscosity was noted for 0.2 wt% of NPs. Using the multilayer perceptron (MLP) algorithm, an artificial neural network (ANN) model was developed to accurately predict the viscosity variations in nanobiolubricants. The accuracy of the predicted values was affirmed through experimental investigations at the considered nanoSiO2 weight concentrations.

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Viscosity Analysis of ZnO enriched Neem Oil Biolubricant at Sub Zero Temperatures

Cited by 2 publications

References 31 publications

A Review on the Effect of Metal Oxide Nanoparticles on Tribological Properties of Biolubricants

A Review on the Effect of Metal Oxide Nanoparticles on Tribological Properties of Biolubricants

Machine Learning-Based Predictive Model to Assess Rheological Dynamics of Eco-Friendly Oils as Biolubricants Enriched with SiO2 Nanoparticles

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