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Model for predicting the critical size of aggregates in nanofluids
- Authors
- Jung, Jung-Yeul; Koo, Junemo; Kang, Yong Tae
- Issue Date
- 4월-2013
- Publisher
- KOREAN SOC MECHANICAL ENGINEERS
- Keywords
- Brownian motion; Critical size; Interparticle interaction; Nanofluid
- Citation
- JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY, v.27, no.4, pp 1165 - 1169
- Pages
- 5
- Journal Title
- JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY
- Volume
- 27
- Number
- 4
- Start Page
- 1165
- End Page
- 1169
- ISSN
- 1738-494X
1976-3824
- Abstract
- Stable suspension of the nanoparticles in the base fluids is inevitable to have the nanofluids be operated properly. Here we report the theoretical model to find the critical size of aggregates in nanofluids for the first time. The concept of relaxation time tau (r) is adopted, which reflects the probability of encountering the particles. The hydrodynamic diameter of the aggregates in nanofluids must be kept below the critical size to be stably suspended, which is in good agreement with the experimental results.
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Related Researcher
- Jung, Jung Yeul
- 해양공공디지털연구본부 (해사안전·환경연구센터)