We have developed a wireless Lagrangian sensor system for measurement of the fluid force exerted on a free-moving particle in liquid. The sensor particle mainly consists of an acceleration sensor, a magnetometer and a wireless module. The sensor particle detects instantaneous acceleration (i.e., force divided mass) and transmits the signals to a receiver wirelessly. We have applied our system to the measurement of the fluid force acting on a particle in oscillatory flow. Firstly we have measured the force acting on an isolated particle for the verification of the system. The measured results agree well with the analytical results derived from fluid force models. Moreover, we have applied our system to oscillatory flow with particle assemblage. The results suggest that the unsteady fluid force on multi-particle system is quite different from that on isolated system.
- Fluids Engineering Division
Non-Invasive Measurement of Fluid Force on Multi-Particles in Oscillatory Flow
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Harada, S, Yasuda, S, & Sawano, T. "Non-Invasive Measurement of Fluid Force on Multi-Particles in Oscillatory Flow." Proceedings of the ASME 2013 Fluids Engineering Division Summer Meeting. Volume 1C, Symposia: Gas-Liquid Two-Phase Flows; Industrial and Environmental Applications of Fluid Mechanics; Issues and Perspectives in Automotive Flows; Liquid-Solids Flows; Multiscale Methods for Multiphase Flow; Noninvasive Measurements in Single and Multiphase Flows; Numerical Methods for Multiphase Flow; Transport Phenomena in Energy Conversion From Clean and Sustainable Resources; Transport Phenomena in Materials Processing and Manufacturing Processes; Transport Phenomena in Mixing; Turbulent Flows: Issues and Perspectives. Incline Village, Nevada, USA. July 7–11, 2013. V01CT20A009. ASME. https://doi.org/10.1115/FEDSM2013-16414
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