Guest Editors
Prof. Dr. Aamir Hamid
Email: ahamid@wuajk.edu.pk
Affiliation: Department of Mathematics, Women University of Azad Jammu and Kashmir, Bagh, Pakistan
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Research Interests: computational fluid mechanics, fluid and heat transfer, artificial neural networks (ANN), thermodynamics, the finite element method, analytical techniques for nonlinear differential equations, mathematical physics, numerical solutions of ordinary and partial differential equations, and computer programming
Dr. M. Israr Ur Rehman
Email: misrarurrehman@csu.edu.cn
Affiliation: School of Mathematics and Statistics, Central South University, Changsha, China
Homepage:
Research Interests: nanofluid, nonlinear radiation, point flow
Summary
This Special Issue addresses recent advances in nanofluid technologies aimed at enhancing heat transfer and energy efficiency in thermal systems. By modifying the thermal and rheological flow properties of a liquid, nanoparticles offer a versatile means to improve heat transfer in diverse engineering applications. Along these lines, contributions are invited that examine how nanoparticle characteristics, such as concentration, size, shape, and composition, influence thermophysical behavior, heat transfer performance, and pressure drop.
Emphasis is given to nanofluids containing high–thermal-conductivity nanoparticles, including metallic oxides such as MgO, TiO₂, and ZnO, which have demonstrated significant enhancements compared to base fluids. Stability remains critical for practical use; analyses addressing surfactants, ultrasonic dispersion, and pH control are therefore very relevant.
Experimental, numerical, and theoretical studies of single and hybrid nanofluids in various thermal systems, including heat exchangers, radiators, electronic cooling devices, turbine blade cooling, material heat treatment, transformer oils, and solar photovoltaic–thermal (PV/T) systems, are within the scope. Research on governing equations, correlations, and optimization strategies for nanofluid-based systems is particularly welcome.
The Special Issue also highlights sustainable applications of nanofluids, including system miniaturization, reduced energy consumption, and carbon emission mitigation. Work that critically examines environmental and lifecycle aspects, ecological impact, and long-term stability of nanofluids is encouraged to provide a balanced perspective.
Keywords
Nanofluids, Sustainable Heat Transfer, Thermal Conductivity Enhancement, Energy Efficiency, Single and Hybrid Nanofluids, Nanoparticle Characteristics, Heat Exchangers, Pressure Drop, Renewable Energy Systems, Thermal Management, Environmental Sustainability
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