Nanofluid Jet Impingement Cooling Mechanisms
Summary
Nanofluid jet impingement cooling combines the superior thermal conductivity of nanoparticle-enhanced fluids with the intensive convective effects of directed fluid streams. When a jet of nanofluid strikes a heated surface, it disrupts the thermal boundary layer, promoting rapid heat removal. The inclusion of nanoparticles such as alumina, copper oxide or titanium dioxide into base liquids increases the effective thermal conductivity and specific heat capacity, further enhancing heat transfer. Complex configurations—such as rotating target bodies, swirling jets or confined channels—can be deployed to tailor flow structures, optimise impingement patterns and maximise local Nusselt numbers. Recent advances have also explored hybrid nanofluids, two-phase modelling and machine-learning algorithms to predict performance, enabling adaptive design of compact cooling modules for electronics, aerospace components and renewable-energy systems.
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Nanofluid Jet Impingement Cooling Mechanisms publication trend
The graph below shows the total number of articles in nanofluid jet impingement cooling mechanisms across all publications each year (not limited to Nature Index journals).
Technical terms
Nanofluid: A suspension of nanoparticles in a base fluid, engineered to enhance thermal conductivity and heat capacity.
Jet impingement: A cooling technique in which a fluid jet is directed perpendicular to a surface to maximise convective heat transfer.
Nusselt number: A dimensionless parameter representing the ratio of convective to conductive heat transfer across a boundary layer.
Reynolds number: A dimensionless measure of flow inertia relative to viscous forces, often used to characterise laminar or turbulent regimes.
Two-phase model: A computational approach that treats the continuous fluid and dispersed nanoparticles as interacting but distinct phases.
References
- Conjugate Heat Transfer Analysis for Cooling of a Conductive Panel by Combined Utilization of Nanoimpinging Jets and Double Rotating Cylinders. Nanomaterials (2023).
- Two-phase simulation of nanofluid in a confined single impinging jet. Case Studies in Thermal Engineering (2019).
- Effect of Hybrid Nanofluids Concentration and Swirling Flow on Jet Impingement Cooling. Nanomaterials (2022).
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