2nd International Yeditepe Scientific Research Congress, İstanbul, Türkiye, 27 - 28 Aralık 2024, ss.328-338, (Tam Metin Bildiri)
This paper proposes a new method for measuring electrohydrodynamic (EHD) flow rate without being affected
by electric and magnetic fields. EHD flow measurement has enjoyed considerable interest in a wide range of
applications, such as fluid mechanics, biomedical engineering and industrial operation, because of its potential
to optimize the control of fluid motion by magnetic forces. Conventional flow measurement techniques
typically are susceptible to errors due to external electromagnetic interference, and alternative reliable methods
of quantification must be sought. The proposed technique is based on a non-contact measurement system
formed by a laser light source and a photodiode, with which it is possible to measure flow velocity with high
accuracy and repeatability even in the presence of electric and magnetic fields. Experimental results show the
practical utility of this method and illustrate the application in potentially numerous fields, e.g., drug carriers
and electrostatic filters, where tight control of flow is essential. Results show that this novel measurement
method not only leads to enhanced accuracy but also increases the measurement system's operational life span
by minimizing the mechanical wear.