A noninvasive method for the measurement of flow-induced surface displacement of a compliant surface

@article{Hess1993ANM,
  title={A noninvasive method for the measurement of flow-induced surface displacement of a compliant surface},
  author={D. Hess and R. Peattie and W. Schwarz},
  journal={Experiments in Fluids},
  year={1993},
  volume={14},
  pages={78-84}
}
A noninvasive optical method is described which allows the measurement of the vertical component of the instantaneous displacement of a surface at one or more points. The method has been used to study the motion of a passive compliant layer responding to the random forcing of a fully developed turbulent boundary layer. However, in principle, the measurement technique described here can be used equally well with any surface capable of scattering light and to which optical access can be gained… Expand
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