Role of hybrid-nanofluid in heat transfer enhancement – A review

Muneeshwaran, M.; Srinivasan, G.; Muthukumar, P.; Wang, Chi-Chuan

doi:10.1016/j.icheatmasstransfer.2021.105341

Cited by 194 publications

(45 citation statements)

References 246 publications

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“…However, mono nanofluids (metallic, metal-oxide or non-metallic) do not exhibit overall hydrothermal properties (high stability and enhanced thermal conductivity). To overcome such shortcomings, hybrid nanofluids have been synthesized in recent years with synergistic thermal properties and enhanced heat transfer characteristics [113]. Heat transfer enhancement in hybrid nanofluids is mainly due to synergistic thermal effects, which is not the case with mono nanofluids for the same volume fraction of both mono nanofluids and hybrid nanofluids.…”

Section: Heat Transfer Characteristics Of Hybrid Nanofluidsmentioning

confidence: 99%

Hybrid Nanofluids—Next-Generation Fluids for Spray-Cooling-Based Thermal Management of High-Heat-Flux Devices

Asim

Siddiqui

2022

Nanomaterials

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In recent years, technical advancements in high-heat-flux devices (such as high power density and increased output performance) have led to immense heat dissipation levels that may not be addressed by traditional thermal fluids. High-heat-flux devices generally dissipate heat in a range of 100–1000 W/cm2 and are used in various applications, such as data centers, electric vehicles, microelectronics, X-ray machines, super-computers, avionics, rocket nozzles and laser diodes. Despite several benefits offered by efficient spray-cooling systems, such as uniform cooling, no hotspot formation, low thermal contact resistance and high heat transfer rates, they may not fully address heat dissipation challenges in modern high-heat-flux devices due to the limited cooling capacity of existing thermal fluids (such as water and dielectric fluids). Therefore, in this review, a detailed perspective is presented on fundamental hydrothermal properties, along with the heat and mass transfer characteristics of the next-generation thermal fluid, that is, the hybrid nanofluid. At the end of this review, the spray-cooling potential of the hybrid nanofluid for thermal management of high-heat-flux devices is presented.

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Section: Heat Transfer Characteristics Of Hybrid Nanofluidsmentioning

confidence: 99%

Hybrid Nanofluids—Next-Generation Fluids for Spray-Cooling-Based Thermal Management of High-Heat-Flux Devices

Asim

Siddiqui

2022

Nanomaterials

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“…Takabi and Salehi [ 13 ] proposed new correlations based on thermophysical properties while examining the heat transfer performance of hybrid nanofluids. Very good reviews of papers on hybrid nanofluids have been published by Babu et al [ 7 ], Huminic and Huminic [ 8 ], Muneeshwaran et al [ 14 ], Sidik et al [ 15 ], Sarkar et al [ 16 ] and in the books by Das et al [ 17 ], Nield and Bejan [ 18 ], Shenoy et al [ 19 ], and Merkin et al [ 20 ].…”

Section: Introductionmentioning

confidence: 99%

Stability Analysis of Unsteady Hybrid Nanofluid Flow over the Falkner-Skan Wedge

2022

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Numerous manufacturing processes, including the drawing of plastic films, have a major impact on mass transport. These functionalities necessitate the solution of the Falkner–Skan equation and some of its configurations when applied to various geometries and boundary conditions. Hence, the current paper discusses the impact of unsteady hybrid nanofluid flow on a moving Falkner–Skan wedge with a convective boundary condition. This problem is modeled by partial differential equations, which are then converted into ordinary (similar) differential equations using appropriate similarity transformations. The bvp4c technique in MATLAB solves these ordinary differential equations numerically. Since more than one solution is possible in this paper, stability analysis is conducted. Thus, it is found that only one stable solution is identified as reliable (physically realizable in practice). The skin friction coefficient and heat transfer rate, along with the velocity and temperature profile distributions, are examined to determine the values of several parameters. The findings reveal that dual-type nanoparticles and wedge angle parameters improve thermal efficiency. A lower value of the unsteadiness parameter reduces the efficiency of hybrid nanofluids in terms of heat transfer and skin friction coefficient, whereas increasing the Biot number of the working fluid does not affect the critical point in the current analysis.

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“…Utilizing nanoparticles to make suspension has been an idea for many years. These fluids are called nanofluids with higher thermal properties than conventional fluids [ 3 ]. Many studies on their HT have been performed [ 4 , 5 , 6 , 7 , 8 ].…”

Section: Introductionmentioning

confidence: 99%

Experimental Study of Halloysite Nanofluids in Pool Boiling Heat Transfer

Baqer

Kamel

et al. 2022

Molecules

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Halloysite nanotube (HNT) which is cheap, natural, and easily accessible 1D clay, can be used in many applications, particularly heat transfer enhancement. The aim of this research is to study experimentally the pool boiling heat transfer (PBHT) performance of novel halloysite nanofluids at atmospheric pressure condition from typical horizontal heater. The nanofluids are prepared from halloysite nanotubes (HNTs) nanomaterials-based deionized water (DI water) with the presence of sodium hydroxide (NaOH) solution to control pH = 12 to obtain stable nanofluid. The nanofluids were prepared with dilute volume concentrations of 0.01–0.5 vol%. The performance of PBHT is studied via pool boiling curve and pool boiling heat transfer coefficient (PBHTC) from the typical heater which is the copper horizontal tube with a thickness of 1 mm and a diameter of 22 mm. The temperatures of the heated tube surface are measured to obtain the PBHTC. The results show an improvement of PBHTC for halloysite nanofluids compared to the base fluid. At 0.05 vol% concentration, HNT nanofluid has the best enhancement of 5.8% at moderate heat flux (HF). This indicates that HNT is a potential material in heat transfer applications.

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Role of hybrid-nanofluid in heat transfer enhancement – A review

Cited by 194 publications

References 246 publications

Hybrid Nanofluids—Next-Generation Fluids for Spray-Cooling-Based Thermal Management of High-Heat-Flux Devices

Hybrid Nanofluids—Next-Generation Fluids for Spray-Cooling-Based Thermal Management of High-Heat-Flux Devices

Stability Analysis of Unsteady Hybrid Nanofluid Flow over the Falkner-Skan Wedge

Experimental Study of Halloysite Nanofluids in Pool Boiling Heat Transfer

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