Abstract
An experiment was performed in the LML boundary layer facility to determine all of the derivative moments needed to estimate the dissipation. The Reynolds number was \(Re_\theta = 7500\) or \(Re_\tau = 2300\). A detailed analysis of the errors in derivative measurements was carried out, as well as applying and using consistency checks derived from the continuity equation and a local homogeneity hypothesis. Local homogeneity estimates of the dissipation are accurate everywhere within a few percent. Both local axisymmetry and local isotropy work almost as well outside of \(\mathrm{y}^+ = 100\), but only local axisymmetry provides a reasonable estimate close to the wall.
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Acknowledgments
The work was supported through the International Campus on Safety and Inter modality in Transportation (CISIT). S. Coudert is acknowledged for the participation in the experiment.
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Foucaut, JM., Cuvier, C., Stanislas, M., George, W.K. (2016). Quantification of the Full Dissipation Tensor from an L-Shaped SPIV Experiment in the Near Wall Region. In: Stanislas, M., Jimenez, J., Marusic, I. (eds) Progress in Wall Turbulence 2. ERCOFTAC Series, vol 23. Springer, Cham. https://doi.org/10.1007/978-3-319-20388-1_38
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DOI: https://doi.org/10.1007/978-3-319-20388-1_38
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