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Recent Advances of Entropy in Nanofluid Engineering

A special issue of Entropy (ISSN 1099-4300). This special issue belongs to the section "Thermodynamics".

Deadline for manuscript submissions: closed (31 May 2022) | Viewed by 8731

Special Issue Editors


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Guest Editor
College of Mathematics and Systems Science, Shandong University of Science and Technology, Qingdao, China
Interests: mathematical physics; nonlinear waves; numerical simulations; perturbation methods; single- and multi-phase thermofluids; magnetohydrodynamics; nanofluids
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Guest Editor
Department of Mathematics and Computer Science, Transilvania University of Brasov, 500093 Brasov, Romania
Interests: differential equations; partial differential equations; equations of evolution; integral equations; mixed initial-boundary value problems for PDE; termoelasticity; media with microstretch; environments goals; nonlinear problems
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Recent applications in nanotechnology have allowed the development of a new category of fluids termed nanofluids. A nanofluid refers to the suspension of nano-size particles, which are suspended in the base fluid with low thermal conductivity. The base fluid, or dispersing medium, can be aqueous or non-aqueous in nature. Due to the suspension of nanoparticles, one can increase the heat transfer coefficient and consequently enhance the heat transfer value and performance of base fluids. Nanofluids also strengthen solar energy applications, such as heat exchanger design, and some medical applications, including cancer therapy and safer surgery, by heat treatment. Investigations on entropy in nanofluid could be based on numerical/analytical simulations or experimental data that extend the bounds of existing methodologies to new contributions addressing current challenges and engineering problems. The submitted manuscripts must be related with entropy generation in complex and simple fluid models. Furthermore, exergy analysis and entropy generation in different systems, i.e., heat exchangers with distinct sizes from micro- to conventional and renewable energy devices are welcome.

Potential topics dealing with (but not limited to) the following subheadings are deemed suitable for publication:

  • Theoretical advancement and measurements of entropy in nanofluid flows;
  • Theoretical advancement and measurements of entropy in nanofluid flow-enhanced phase change materials;
  • Numerical simulation related to potential applications;
  • New innovative areas of entropy in nanofluid flows in engineering;
  • Critical assessments and future directions of entropy;
  • Entropy generation through porous media;
  • Nanomaterial and nanofluid preparation and characterization (nanoparticles, nanofluids, nanoPCM, nanosalts, ionanofluids, etc.) with entropy generation;
  • Entropy generation and MHD flows.

Our aim is for this Special Issue to provide an overall picture and up-to-date findings to readers of the scientific community that ultimately benefit the industrial sector regarding its specific market niches and end users.

Prof. Muhammad Mubashir Bhatti
Prof. Dr. Marin Marin
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. Entropy 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 2600 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.

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Published Papers (2 papers)

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Research

12 pages, 3082 KiB  
Article
Shape Effect of Nanosize Particles on Magnetohydrodynamic Nanofluid Flow and Heat Transfer over a Stretching Sheet with Entropy Generation
by Umair Rashid, Dumitru Baleanu, Azhar Iqbal and Muhammd Abbas
Entropy 2020, 22(10), 1171; https://doi.org/10.3390/e22101171 - 18 Oct 2020
Cited by 25 | Viewed by 2942
Abstract
Magnetohydrodynamic nanofluid technologies are emerging in several areas including pharmacology, medicine and lubrication (smart tribology). The present study discusses the heat transfer and entropy generation of magnetohydrodynamic (MHD) Ag-water nanofluid flow over a stretching sheet with the effect of nanoparticles shape. Three different [...] Read more.
Magnetohydrodynamic nanofluid technologies are emerging in several areas including pharmacology, medicine and lubrication (smart tribology). The present study discusses the heat transfer and entropy generation of magnetohydrodynamic (MHD) Ag-water nanofluid flow over a stretching sheet with the effect of nanoparticles shape. Three different geometries of nanoparticles—sphere, blade and lamina—are considered. The problem is modeled in the form of momentum, energy and entropy equations. The homotopy analysis method (HAM) is used to find the analytical solution of momentum, energy and entropy equations. The variations of velocity profile, temperature profile, Nusselt number and entropy generation with the influences of physical parameters are discussed in graphical form. The results show that the performance of lamina-shaped nanoparticles is better in temperature distribution, heat transfer and enhancement of the entropy generation. Full article
(This article belongs to the Special Issue Recent Advances of Entropy in Nanofluid Engineering)
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17 pages, 1192 KiB  
Article
Entropy Analysis on the Blood Flow through Anisotropically Tapered Arteries Filled with Magnetic Zinc-Oxide (ZnO) Nanoparticles
by Lijun Zhang, Muhammad Mubashir Bhatti, Marin Marin and Khaled S. Mekheimer
Entropy 2020, 22(10), 1070; https://doi.org/10.3390/e22101070 - 24 Sep 2020
Cited by 127 | Viewed by 4778
Abstract
The present analysis deals with the entropy analysis of the blood flow through an anisotropically tapered arteries under the suspension of magnetic Zinc-oxide (ZnO) nanoparticles (NPs). The Jeffrey fluid model is contemplated as blood that is electrically conducting and incompressible. The lubrication approach [...] Read more.
The present analysis deals with the entropy analysis of the blood flow through an anisotropically tapered arteries under the suspension of magnetic Zinc-oxide (ZnO) nanoparticles (NPs). The Jeffrey fluid model is contemplated as blood that is electrically conducting and incompressible. The lubrication approach is used for the mathematical modeling. The second law of thermodynamics is used to examine the entropy generation. The exact solutions are obtained against velocity and temperature profile with the use of computational software. The results for Entropy, Velocity, Bejan number, temperature profile, and impedance profile are discussed by plotting the graphs. ZnO-NPs have promising applications in biomedical engineering due to its low toxicity, economically reliable, and excellent biocompatibility. ZnO-NPs also emerged in medicine i.e., antibacterial and anticancer activity, and also beneficial in antidiabetic treatment. The monitoring of the blood temperature in the case of the tapered artery has supreme importance in controlling the temperature of blood in the living environment. The presence of a magnetic field is advantageous to manage and control the blood motion at different temperatures. The present outcomes are enriched to give valuable information for the research scientists in the field biomedical science, who are looking to examine the blood flow with stenosis conditions and also beneficial in treating multiple diseases. Full article
(This article belongs to the Special Issue Recent Advances of Entropy in Nanofluid Engineering)
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