### Abstract

Original article: Physics of Fluids 24 (10), 105110 (2012)

There is a sign error in our article1 concerning the calculations of the mean curvature H. If the normal vector is defined such that it points towards larger enstrophy values, as it is the case in Ref. 1, Eq. (A4) should read K = 4ac − b2, H = −a − c. From this, it follows that Figures 11–14 in Ref. 1 show the wrong sign for the mean curvature H. Positive and negative mean curvature values must be exchanged. Figures 11–14 in the paper should be replaced by Figures 1–4 below.

There is a sign error in our article1 concerning the calculations of the mean curvature H. If the normal vector is defined such that it points towards larger enstrophy values, as it is the case in Ref. 1, Eq. (A4) should read K = 4ac − b2, H = −a − c. From this, it follows that Figures 11–14 in Ref. 1 show the wrong sign for the mean curvature H. Positive and negative mean curvature values must be exchanged. Figures 11–14 in the paper should be replaced by Figures 1–4 below.

Original language | English |
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Article number | 019901 |

Number of pages | 3 |

Journal | Physics of fluids |

Volume | 25 |

Issue number | 1 |

DOIs | |

Publication status | Published - Jan 2013 |

Externally published | Yes |

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## Cite this

Wolf, M., Lüthi, B., Holzner, M., Krug, D., Kinzelbach, W., & Tsinober, A. (2013). Erratum: "Investigations on the local entrainment velocity in a turbulent jet" [Phys. Fluids 24, 105110 (2012)].

*Physics of fluids*,*25*(1), [019901]. https://doi.org/10.1063/1.4775381