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Role of Brownian motion in the enhanced thermal conductivity of nanofluids
Abstract
We have found that the Brownian motion of nanoparticles at the molecular and nanoscale level is a key mechanism governing the thermal behavior of nanoparticle–fluid suspensions (“nanofluids”). We have devised a theoretical model that accounts for the fundamental role of dynamic nanoparticles in nanofluids. The model not only captures the concentration and temperature-dependent conductivity, but also predicts strongly size-dependent conductivity. Furthermore, we have discovered a fundamental difference between solid/solid composites and solid/liquid suspensions in size-dependent conductivity. This understanding could lead to design of nanoengineered next-generation coolants with industrial and biomedical applications in high-heat-flux cooling.
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Citations
Cited by
Convective Transport in Nanofluids
Buongiorno, J. (2006) · Journal of Heat Transfer · doi:10.1115/1.2150834 · Cited by 7,013
Eanest Jebasingh, B., & Valan Arasu, A. (2020) · Energy Storage Materials · doi:10.1016/j.ensm.2019.07.031 · Cited by 477
Chieruzzi, M., Cerritelli, G. F., Miliozzi, A., & Kenny, J. M. (2013) · Nanoscale Research Letters · doi:10.1186/1556-276x-8-448 · Cited by 381
Chieruzzi, M., Miliozzi, A., Crescenzi, T., Torre, L., & Kenny, J. M. (2015) · Nanoscale Research Letters · doi:10.1186/s11671-015-0984-2 · Cited by 154
Metadata
- Authors
- Jang, S. P., & Choi, S. U. S.
- Venue
- Applied Physics Letters
- Publisher
- AIP Publishing
- Published
- 2004-05-24
- Volume
- 84
- Issue
- 21
- Pages
- 4316-4318
- ISSN
- 0003-6951 (ISSN-L)
- 1077-3118
- OpenAlex
- W1969596863
- Cited by
- 1,596
- References
- 0
- FWCI
- 29.78
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Role of Brownian motion in the enhanced thermal conductivity of nanofluids. https://app.cochat.ai/papers/10.1063/1.1756684
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- Jang, S. P., & Choi, S. U. S. (2004). Role of Brownian motion in the enhanced thermal conductivity of nanofluids. Applied Physics Letters. https://doi.org/10.1063/1.1756684
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.