Convective Heat and Mass Transfer of Nanofluids
A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Applied Thermal Engineering".
Deadline for manuscript submissions: closed (20 July 2023) | Viewed by 1266
Special Issue Editors
Interests: computational fluid dynamics; combustion, soot formation and oxidation, fire whirls in fire modelling; population balance of gas–liquid bubbly flows, bubble coalescence and breakage, gas–liquid interfacial momentum exchange; computational methods in design optimization, surrogate methods, coupling with artificial intelligence
Special Issues, Collections and Topics in MDPI journals
Interests: computational fluid dynamics; numerical heat and mass transfer; turbulence modelling using reynolds-averaging and large eddy simulation; combustion, radiation heat transfer, soot formation and oxidation, solid pyrolysis in fire modelling; fundamental studies in multiphase flows: free surface, gas-particle, liquid-particle, gas-liquid (bubbly and subcooled nucleate boiling), freezing/solidification and liquid-gas-solid; computational modelling of magnetic micro-particles in mechanical dampers; computational modelling of magnetic drug delivery and targeting; computational modelling of nanofluids with heat transfer; computational modelling of industrial systems of single-phase such as in HVAC (heating, ventilation and air conditioning); computational modelling of industrial systems of multiphase flows (heat exchangers, boilers and nuclear reactors, cryogenics)
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Convective heat transfer exists in many industrial heating and cooling processes. Traditionally, the enhancement of convective heat transfer rate relies on the modification of flow geometry, surface topologies, or fluid thermal properties. While extensive research works have been carried out in past decades, a new innovative idea using colloid supensions of nanoparticles to improve the thermal conductivity of the based fluid has attracted much attention in both research and industrial communities and is now referred to as nanofluids.
Nanofluids are an emerging new heat transfer media in which nanometer-sized particles are suspended in conventional fluids. The early development of nanofluids has focused on exploring their potential in heat transfer augmentation by increasing the effective thermal conductivity of the fluid. Substantial research works have also been conducted that characterize the boiling behavior of nanofluids in microchannels and wettability on surfaces. The improved properties open up a wide range of applications, such as convective heat and mass transfer. Depending on its shape and concentration, nanoparticles in the fluid also exhibit non-Newtonian behavior (i.e., shear thinning/thickening), which substantially affects the resultant convective current and its associated heat and mass transfer performance. Lately, electrochemically active nanoparticles in electrolyte base fluid demonstrate great potential in high energy density storage and flow battery applications. Studies have suggested that a percolation network could form within highly concentrated nanofluids, facilitating an effective charge transfer mechanism. A unique mechanism benefits from Brownian motion and collision among nanoparticles.
The above information only exemplifies a few physical phenomena involved in nanofluid applications. Although much research efforts have been made to elucidate the underlaid physical mechanism, there are still many inconsistent theories and conspicuous hypothesis unanswered. This Special Issue is developed to collect and showcase the current state-of-the-art of nanofluids and their potential applications. Because of the complex behavior of nanofluids, fundamental and applied studies in nanofluids are welcome. Review articles that provide a comprehensive review of specific topics, including, but not limited to, thermal-physical properties, rheological characterization, electrochemically active nanofluidics, are welcome. Papers that focuse on the expansion of nanofluid applications in diverse, multidisciplinary research and development are also welcome.
Dr. Sherman Cheung
Prof. Dr. Guan Heng Yeoh
Guest Editors
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Keywords
- nanoparticles
- convective heat transfer
- electrochemical
- meso-scale mechanism
- microfluidics
