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Liquid transport in micron and submicron channels

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Pfahler, J., Harley, J., Bau, H., Zemel, J.·1990·Sensors and Actuators A: Physical

Abstract

An experimental investigation of fluid flow in extremely small channels is presented. Potential applications for such channels include cooling of electronic circuits, and reactors for modification and separation of biological cells. The immediate goal is to determine at what length scales the continuum assumptions break down and if the Navier-Stokes equations adequately predict fluid behavior. In order to accomplish this, experiments are being conducted in progressively thinner flow channels. We have constructed three channels of rectangular cross-section ranging in area from 7200 to 80 square microns, utilizing the recent advances in microfabrication. In this paper, preliminary results are reported pertaining to friction measurements. It is found that in the relatively large flow channels the experimental observations are in rough agreement with the predictions from the Navier-Stokes equations. However, in the smallest of the channels, there is a significant deviation from the Navier-Stokes predictions.

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Metadata

Authors
Pfahler, J., Harley, J., Bau, H., & Zemel, J.
Venue
Sensors and Actuators A: Physical
Publisher
Elsevier BV
Published
1990-06
Volume
22
Issue
1-3
Pages
431-434
ISSN
0924-4247 (ISSN-L)
OpenAlex
W1996261713
Cited by
327
References
0
FWCI
3.25
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Liquid transport in micron and submicron channels. https://app.cochat.ai/papers/10.1016/0924-4247(89)80008-1
The paper
Pfahler, J., Harley, J., Bau, H., & Zemel, J. (1990). Liquid transport in micron and submicron channels. Sensors and Actuators A: Physical. https://doi.org/10.1016/0924-4247(89)80008-1

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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.