Characterization of a porous transducer using a capillary bundle model: Permeability and streaming potential prediction

Siyuan Cheng, Mengyin Fu, F. A. Kulacki

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

A capillary bundle model is used to evaluate the permeability and streaming potential coupling coefficient of a porous transducer, which is the key element of a fluid-based angular accelerometer. The capillary bundle is specified with structural parameters and a method to transform the particle size distribution into the capillary radius distribution. Together with a theoretical model of zeta potential and specific surface conductance, the model is applied to determine permeability and streaming potential prediction. Three types of transducers are fabricated and experiments validate the proposed model, which is an important part of the sensor model for engineering application.

Original languageEnglish (US)
Pages (from-to)349-354
Number of pages6
JournalInternational Journal of Heat and Mass Transfer
Volume118
DOIs
StatePublished - Mar 2018

Bibliographical note

Funding Information:
This work is supported by the National Natural Science Foundation of China (No. 61427805 and No. 61473040 ) and China Scholarship Council (No. 201606030031 ). The authors would like to thank the technical assistance of Meiling Wang and Li Ming from Beijing Institute of Technology. And the authors also gratefully appreciate the library and computational resources of University of Minnesota. Appendix A

Keywords

  • Angular accelerometer
  • Capillary bundle model
  • Permeability
  • Streaming potential

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