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Symmetry
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Application of Nanotechnology in Human Life
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Application of Nanotechnology in Human Life

A special issue of Symmetry (ISSN 2073-8994). This special issue belongs to the section "Physics".

Deadline for manuscript submissions: closed (28 February 2021) | Viewed by 12895

Special Issue Editors

Dr. Marjan Goodarzi

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Guest Editor
Department of Mechanical Engineering, Lamar University, Beaumont, TX 77705, USA
Interests: fluid mechanics; computational fluid dynamics; numerical simulation; CFD simulation; numerical analysis; engineering thermodynamics; thermal engineering; numerical modeling
Special Issues, Collections and Topics in MDPI journals
Dr. Iskander Tlili

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Guest Editor
Department of Mechanical and Industrial Engineering, College of Engineering, Majmaah University, Al-Majmaah 11952, Saudi Arabia
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear colleagues,

Enhancing nanotechnology research has become more and more attractive and highly required in several scientific fields and industries because of its widespread application and its great potential benefits to the research community on the basis of symmetry principales. In order to develop such a fast-emerging technology that provides great opportunities, a multidisciplinary platform is necessary to gather the huge amount of associated data. This Special Issue aims to explore and highlight the latest pertinent and innovative studies related to nanotechnology in symmetric and combined arrangements. Related topics include but are not limited to:

  • Non-Newtonian nanofluids;
  • MHD nanoparticles;
  • Multiphase nanofluid flow;
  • Nanofluid flow in porous media;
  • Thermophysical properties of nanofluids;
  • Application of nanotechnology in renewable energy, agriculture, safety and environment, cosmetics, robotics, and other engineering aspects.

Dr. Marjan Goodarzi
Dr. Iskander Tlili
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Symmetry is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Nanofluids
  • Symmetric systems
  • Nanomaterials
  • Nanophotonic
  • CFD
  • Material synthesis
  • Properties of nanomaterials

Published Papers (3 papers)

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Research

17 pages, 4655 KiB  
Article
Concrete Based Jeffrey Nanofluid Containing Zinc Oxide Nanostructures: Application in Cement Industry
by Nadeem Ahmad Sheikh, Dennis Ling Chuan Ching, Ilyas Khan, Afnan Ahmad and Syed Ammad
Symmetry 2020, 12(6), 1037; https://0-doi-org.brum.beds.ac.uk/10.3390/sym12061037 - 20 Jun 2020
Cited by 12 | Viewed by 2761
Abstract
Concrete is a non-Newtonian fluid which is a counterexample of Jeffrey fluid. The flow of Jeffrey fluid is considered containing nanostructures of zinc oxide in this study. The flow of the nanofluid is modeled in terms of partial fractional differential equations via Atangana–Baleanu [...] Read more.
Concrete is a non-Newtonian fluid which is a counterexample of Jeffrey fluid. The flow of Jeffrey fluid is considered containing nanostructures of zinc oxide in this study. The flow of the nanofluid is modeled in terms of partial fractional differential equations via Atangana–Baleanu (AB) fractional derivative approach and then solved using the integral transformation. Specifically, the applications are discussed in the field of concrete and cement industry. The variations in heat transfer rate and skin friction have been observed for different values of volume fractions of nanoparticles. The results show that by adding 4% Z n O nanoparticles increase skin friction up to 15%, ultimately enhancing the adhesion capacity of concrete. Moreover, Z n O increase the density of concrete, minimizing the pores in the concrete and consequently increasing the strength of concrete. The solutions are simplified to the corresponding solutions of the integer ordered model of Jeffrey-nanofluid. Applications of this work can be found in construction engineering and management such as buildings, roads, tunnels, bridges, airports, railroads, dams, and utilities. Full article
(This article belongs to the Special Issue Application of Nanotechnology in Human Life)
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29 pages, 5566 KiB  
Article
Bioconvection in Cross Nano-Materials with Magnetic Dipole Impacted by Activation Energy, Thermal Radiation, and Second Order Slip
by Zahra Abdelmalek, Kamel Al-Khaled, Hassan Waqas, A. Aldabesh, Sami Ullah Khan, Sa’ed A. Musmar and Iskander Tlili
Symmetry 2020, 12(6), 1019; https://0-doi-org.brum.beds.ac.uk/10.3390/sym12061019 - 16 Jun 2020
Cited by 12 | Viewed by 2345
Abstract
Ferro liquids derive their magneto–viscous behavior from the suspended magnetic nanomaterial that enables tunable changes in temperature, as well as nano-structured fluid characteristics. A theoretical model that depicts the bioconvection flow of cross nanofluid with a magnetic dipole subjected to a cylindrical surface [...] Read more.
Ferro liquids derive their magneto–viscous behavior from the suspended magnetic nanomaterial that enables tunable changes in temperature, as well as nano-structured fluid characteristics. A theoretical model that depicts the bioconvection flow of cross nanofluid with a magnetic dipole subjected to a cylindrical surface was developed and numerically solved. The model encountered nonlinear thermal radiation, activation energy, and second order slip. The flow equations were reduced and are presented in dimensionless forms, and they were solved numerically using the shooting technique, which is a built-in feature of MatLab. The model encountered symmetrical constraints for predicting velocity, temperature, concentration, and gyrotactic microorganism distribution and profiles. Moreover, the numerical values were computed for local Nusselt number, local Sherwood number, and motile density number against each physical parameter. Full article
(This article belongs to the Special Issue Application of Nanotechnology in Human Life)
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28 pages, 7495 KiB  
Article
Effect of Nano-Graphene Oxide and n-Butanol Fuel Additives Blended with Diesel—Nigella sativa Biodiesel Fuel Emulsion on Diesel Engine Characteristics
by Hurmathulla Khan, Manzoore Elahi M. Soudagar, Rajagopal Harish Kumar, Mohammad Reza Safaei, Muhammad Farooq, Abdulqhadar Khidmatgar, Nagaraj R Banapurmath, Rizwan A. Farade, Muhammad Mujtaba Abbas, Asif Afzal, Waqar Ahmed, Marjan Goodarzi and Syed Noeman Taqui
Symmetry 2020, 12(6), 961; https://0-doi-org.brum.beds.ac.uk/10.3390/sym12060961 - 05 Jun 2020
Cited by 115 | Viewed by 7127
Abstract
The present investigation uses a blend of Nigella sativa biodiesel, diesel, n-butanol, and graphene oxide nanoparticles to enhance the performance, combustion and symmetric characteristics and to reduce the emissions from the diesel engine of a modified common rail direct injection (CRDI). A symmetric [...] Read more.
The present investigation uses a blend of Nigella sativa biodiesel, diesel, n-butanol, and graphene oxide nanoparticles to enhance the performance, combustion and symmetric characteristics and to reduce the emissions from the diesel engine of a modified common rail direct injection (CRDI). A symmetric toroidal-type combustion chamber and a six-hole solenoid fuel injector were used in the current investigation. The research aimed to study the effect of two fuel additives, n-butanol and synthesized asymmetric graphene oxide nanoparticles, in improving the fuel properties of Nigella sativa biodiesel (NSME25). The concentration of n-butanol (10%) was kept constant, and asymmetric graphene oxide nano-additive and sodium dodecyl benzene sulphonate (SDBS) surfactant were added to n-butanol and NSME25 in the form of nanofluid in varying proportions. The nanofluids were prepared using a probe sonication process to prevent nanoparticles from agglomerating in the base fluid. The process was repeated for biodiesel, n-butanol and nanofluid, and four different stable and symmetric nanofuel mixtures were prepared by varying the graphene oxide (30, 60, 90 and 120 ppm). The nanofuel blend NSME25B10GO90 displayed an enhancement in the brake thermal efficiency (BTE) and a reduction in brake-specific fuel consumption (BSFC) at maximum load due to high catalytic activity and the enhanced microexplosion phenomenon developed by graphene oxide nanoparticles. The heat release rate (HRR), in-cylinder temperature increased, while exhaust gas temperature (EGT) decreased. Smoke, hydrocarbon (HC), carbon monoxide (CO2) and carbon monoxide (CO) emissions also fell, in a trade-off with marginally increased NOx, for all nanofuel blends, compared with Nigella sativa biodiesel. The results obtained indicates that 90 ppm of graphene oxide nanoparticles and 10% n-butanol in Nigella sativa biodiesel are comparable with diesel fuel. Full article
(This article belongs to the Special Issue Application of Nanotechnology in Human Life)
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