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Applied Sciences
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Engineering Applications of Nanofluids
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Engineering Applications of Nanofluids

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Fluid Science and Technology".

Deadline for manuscript submissions: closed (30 September 2023) | Viewed by 4759

Special Issue Editors

Dr. Lioua Kolsi

E-Mail Website
Guest Editor
1. Department of Mechanical Engineering, College of Engineering, University of Ha’il, Ha’il 81451, Saudi Arabia
2. Department of Energy Engineering, College of Engineering, University of Monastir, Monastir 5000, Tunisia
Interests: fluid mechanics; CFD; heat transfer; renewable energy; nanofluids; MHD; EHD; heat exchangers; PCM
Special Issues, Collections and Topics in MDPI journals
Dr. Abderrahim Wakif

E-Mail Website
Guest Editor
Laboratory of Mechanics, Faculty of Sciences Aïn Chock, Hassan II University of Casablanca, Casablanca 20000, Morocco
Interests: numerical methods; mixed convection; hydrodynamic; magnetohydoynamic; nanofluids

Special Issue Information

Dear Colleagues,

This Special Issue of Applied Sciences will cover the applications of nanofluids in engineering systems. The use of nanofluids in various engineering application has become a trend in thelast decade, especially with the miniaturization of/size reduction in devices and equipment. In fact, using nanofluids can lead to a reducing the heat exchange area, enhancing the heat transfer coefficient and improving of the performances of thermal systems.

This Special Issue includes (but is not limited to) the following topics:

  • Natural, mixed, and forced convection;
  • Cutting fluids in machining operations;
  • Automotive applications;
  • HVAC and AC systems;
  • Renewable energy;
  • Theoretical, numerical, and experimental studies;
  • Nanotechnology applications in renewable energies;
  • Heat exchangers;
  • Nanofluid characterization;
  • NEPCM;
  • MHD and EHD;
  • Hybrid nanofluids.

Prof. Dr. Lioua Kolsi
Dr. Abderrahim Wakif
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. Applied Sciences is an international peer-reviewed open access semimonthly 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
  • engineering applications
  • experimental
  • numerical

Published Papers (3 papers)

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Research

12 pages, 3154 KiB  
Article
Study of Magnetorheological Grease’s Thermomagnetic Coupling Rheology
by Jiabao Pan, Rui Li and Ao Wang
Appl. Sci. 2023, 13(15), 8922; https://doi.org/10.3390/app13158922 - 3 Aug 2023
Cited by 2 | Viewed by 822
Abstract
The controllable rheological properties of magnetorheological grease offer significant application prospects in regulating the lubrication behavior of frictional substrates. A novel nano-magnetorheological grease was prepared using nanoscale manganese ferrite as magnetic particles. The prepared magnetorheological grease underwent magnetic field scanning and rate scanning [...] Read more.
The controllable rheological properties of magnetorheological grease offer significant application prospects in regulating the lubrication behavior of frictional substrates. A novel nano-magnetorheological grease was prepared using nanoscale manganese ferrite as magnetic particles. The prepared magnetorheological grease underwent magnetic field scanning and rate scanning studies under thermomagnetic coupling, and we investigated the variation patterns of rheological parameters under different temperatures and magnetic field intensities. The Herschel–Bulkley rheological model was utilized for data fitting to determine the shear yield stress of the magnetorheological grease. Furthermore, the variation patterns of shear yield stress with increasing magnetic field intensity were explored. The results demonstrated that the apparent viscosity and shear stress of the magnetorheological grease decreased with increasing temperature, while they increased with enhanced magnetic field intensity. The apparent viscosity of the magnetorheological grease decreased with increasing shear rate. Additionally, the shear yield stress of the magnetorheological grease decreased with a temperature rise, but increased when an external magnetic field was applied. The adverse effects of high temperature on the magnetorheological grease could be mitigated by the application of an external magnetic field. Full article
(This article belongs to the Special Issue Engineering Applications of Nanofluids)
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13 pages, 2594 KiB  
Article
Experimental Analysis of the Thermal Performance Enhancement of a Vertical Helical Coil Heat Exchanger Using Copper Oxide-Graphene (80-20%) Hybrid Nanofluid
by Mohamed Omri, Walid Aich, Hatem Rmili and Lioua Kolsi
Appl. Sci. 2022, 12(22), 11614; https://doi.org/10.3390/app122211614 - 16 Nov 2022
Cited by 8 | Viewed by 1570
Abstract
The thermal performance enhancement of a vertical helical coil heat exchanger using distilled water-based copper oxide-graphene hybrid nanofluid has been analyzed experimentally. Accordingly, the focus of this study is the preparation of CuO-Gp (80-20%) hybrid nanoparticles-based suspensions with various mass fractions (0% ≤ [...] Read more.
The thermal performance enhancement of a vertical helical coil heat exchanger using distilled water-based copper oxide-graphene hybrid nanofluid has been analyzed experimentally. Accordingly, the focus of this study is the preparation of CuO-Gp (80-20%) hybrid nanoparticles-based suspensions with various mass fractions (0% ≤ wt ≤ 1%). The volume flow rate is ranged from 0.5 L·min−1 to 1.5 L·min−1 to keep the laminar flow regime (768 ≤ Re ≤ 1843) and the supplied hot fluid’s temperature was chosen to equal 50 °C. To ensure the dispersion and avoid agglomeration an ultrasound sonicator is used and the thermal conductivity is evaluated via KD2 Pro Thermal Properties Analyzer. It has been found that the increment in nanoparticles mass fraction enhances considerably the thermal conductivity and the thermal energy exchange rate. In fact, an enhancement of 23.65% in the heat transfer coefficient is obtained with wt = 0.2%, while it is as high as 79.68% for wt = 1%. Moreover, increasing Reynolds number results in a considerable augmentation of the heat transfer coefficient. Full article
(This article belongs to the Special Issue Engineering Applications of Nanofluids)
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17 pages, 3567 KiB  
Article
Physical Interpretation of Nanofluid (Copper Oxide and Silver) with Slip and Mixed Convection Effects: Applications of Fractional Derivatives
by Omar T. Bafakeeh, Ali Raza, Sami Ullah Khan, Muhammad Ijaz Khan, Abdelaziz Nasr, Nidhal Ben Khedher and El Sayed Mohamed Tag-Eldin
Appl. Sci. 2022, 12(21), 10860; https://doi.org/10.3390/app122110860 - 26 Oct 2022
Cited by 32 | Viewed by 1660
Abstract
A fractional model was developed for presenting the thermal assessment of nanoparticles in an inclined moving surface. Water was used as a base fluid, while the nanofluid utilized copper oxide and silver nanoparticles. The modification of the thermal model was further supported by [...] Read more.
A fractional model was developed for presenting the thermal assessment of nanoparticles in an inclined moving surface. Water was used as a base fluid, while the nanofluid utilized copper oxide and silver nanoparticles. The modification of the thermal model was further supported by mixed convection, magnetic force, and porous saturated space. Slip effects to the porous surface were also introduced. The fluctuation in temperature at different times was assumed by following the ramped thermal constraints. The fractional computations for the set of flow problems were performed with implementations of the Atangana–Baleanu (AB) and Caputo–Fabrizio (CF) analytical techniques. The integration process for such computations was achieved using the Laplace transformation. The comparative velocity and thermal analysis for the water and kerosene-oil-based nanofluid model is presented. The declining change in the velocity was observed due to the increase in the volume fraction of nanoparticles. It was observed that the increment in the temperature profile was more progressive for the kerosene oil and silver nanoparticle suspension. Full article
(This article belongs to the Special Issue Engineering Applications of Nanofluids)
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