Devices and methods employing attenuation of fluid vibrations
JP2025518153A5Pending Publication Date: 2026-06-03HYDRAMOTION LTD
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- HYDRAMOTION LTD
- Filing Date
- 2023-05-26
- Publication Date
- 2026-06-03
AI Technical Summary
Technical Problem
Existing methods for measuring the physical and rheological properties of fluids, such as viscosity, suffer from non-linearity and dependence on secondary variables, which can lead to inaccurate measurements.
Method used
The use of geometric attenuation by employing an elongated member with a small half-width compared to the viscoelastic propagation depth of the shear wave, allowing for improved linearity and independence from secondary variables in measuring fluid properties.
Benefits of technology
This approach enhances the accuracy and independence of fluid property measurements by reducing non-linearity and dependence on secondary variables, such as density and frequency.
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Smart Images
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Abstract
Vibrating a vibration transducer element within a fluid at a vibration frequency, the vibration transducer element comprising an elongated member in contact with the fluid characterized by a width, a half-width equal to half of the width, and a length longer than the width, the half-width being smaller than the propagation depth of the shear wave of the fluid at the vibration frequency; measuring the vibration of the vibration transducer element within the fluid at the vibration frequency; and determining a physical property of the fluid, such as viscosity, viscoelasticity, density, fluid stiffness, loss tangent, storage modulus, loss modulus, or yield stress, based on the measurement of the vibration, to determine the physical property of the fluid.
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