Free-surface flow measurements by non-intrusive methods: a survey

Measurement of the free surface shape and its evolution in time and/or in space is of great interest in many engineering/research applications. The optical measurements of a liquid interface over an extended area can be very challenging for different reasons including the fluid properties, the seedi...

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Bibliographic Details
Published in:Experiments in fluids 2022-06, Vol.63 (6), Article 94
Main Authors: Gomit, G., Chatellier, L., David, L.
Format: Article
Language:English
Subjects:
Acoustics
Automatic
Biomechanics
Chemical Sciences
Electric power
Electromagnetism
Engineering
Engineering Fluid Dynamics
Engineering Sciences
Engineering Thermodynamics
Fluid mechanics
Fluid- and Aerodynamics
Free surfaces
Heat and Mass Transfer
Material chemistry
Materials and structures in mechanics
Mathematical Physics
Measurement techniques
Mechanics
Optical measurement
Optical properties
Physics
Polymers
Quantum Physics
Reactive fluid environment
Review Article
State-of-the-art reviews
Thermics
Vibrations
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Summary:Measurement of the free surface shape and its evolution in time and/or in space is of great interest in many engineering/research applications. The optical measurements of a liquid interface over an extended area can be very challenging for different reasons including the fluid properties, the seeding requirements, the optical access or the dimension of the interest area. In this review, the state of the art of non-intrusive field measurement techniques is presented. The principles and implementations of the different categories of methods will be described. Advantages, limitations and drawbacks of the different families of solutions will be addressed to help the experimentalists choosing the most appropriate methodology. Graphical abstract
ISSN:0723-4864
1432-1114
DOI:10.1007/s00348-022-03450-5