Journal article

Development of instrumentation for measurements of two components of velocity with a single sensing element

CP Byers, MK Fu, Y Fan, M Hultmark

MEASUREMENT SCIENCE AND TECHNOLOGY | IOP PUBLISHING LTD | Published : 2018

Abstract

A novel method of obtaining two orthogonal velocity components with high spatial and temporal resolution is investigated. Both components are obtained utilizing a single sensing nanoribbon by combining the two independent operating modes of classic hot wire anemometry and the newly discovered elastic filament velocimetry (EFV). In contrast to hot wire anemometry, EFV measures fluid velocity through correlating the fluid forcing with the internal strain of the wire. In order to utilize both modes of operation, a system that switches between the two operating modes is built and characterized, and the theoretically predicted sensing response time in water is compared to experimental results. Th..

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Funding Acknowledgements

This work was funded in part by the Helen Shipley Hunt Fund. MF was supported by the Department of Defense (DoD) through the National Defense Science & Engineering Graduate Fellowship (NDSEG) Program.