The aim of thesis is to carry out the experimental and theoretical investigations of the forced vibration of the fiber partially submerged fiber in fluid and on the obtained results to suggest the way for the viscosity extraction from the resonance frequency spectrum or curve.

Fig. 1. Sketch of the experimental device

Fig. 2. Variation of the resonance curves for different liquids of constant depths (GWS – Glycerol-water solution)

References:

1. A. I. Fedorchenko, I. Stachiv, J. Ho, A.-B. Wang and W.-C. Wang, “On force vibration of the fiber partially immersed in fluid Fundamental frequencies of mechanical systems with piecewise constant properties,” Sensors and actuators A: Physical, 147, 498-503, 2008.
2. A. I. Fedorchenko, I. Stachiv and A.-B. Wang, “The optical viscometer based on the vibrating fiber partially submerged in fluid,” Sensors and actuators B: Chemical, 142, 111-117, 2009.