Real-time thermal characterization of 12 nl fluid samples in a microchannel
SCIE
SCOPUS
- Title
- Real-time thermal characterization of 12 nl fluid samples in a microchannel
- Authors
- Choi, SR; Kim, D
- Date Issued
- 2008-06
- Publisher
- AMER INST PHYSICS
- Abstract
- This work presents a novel method and a device for real-time simultaneous measurement of the thermal conductivity and heat capacity of 12 nl fluid samples. The device uses a micromachined thermal sensor composed of a microchannel and a thin-film probe. The method, based on the 3 omega technique, employs a multiparameter-fitting scheme to determine the thermal properties with numerical computation of heat transfer. The thermal properties of 12 nl samples have been measured successfully by the sensor. Furthermore, real-time thermal characterization of fluid samples flowing in a microchannel has been demonstrated, manifesting strong potential of the proposed technique as an in situ probe in various microfluidic applications. (c) 2008 American Institute of Physics.
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/12804
- DOI
- 10.1063/1.2937180
- ISSN
- 0034-6748
- Article Type
- Article
- Citation
- REVIEW OF SCIENTIFIC INSTRUMENTS, vol. 79, no. 6, page. 64901.1 - 64901.5, 2008-06
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