RETRACTION: Free convection of non‐Newtonian nanofluid flow inside an eccentric annulus from the point of view of first‐law and second‐law of thermodynamics

Abstract RETRACTION : A. Shahsavar, S. Noori, D. Toghraie, P. Barnoon, “Free convection of non‐Newtonian nanofluid flow inside an eccentric annulus from the point of view of first‐law and second‐law of thermodynamics,” Zeitschrift für Angewandte Mathematik und Mechanik (Early View): https://doi.org/10.1002/zamm.202000266 . The above article, published online on 28 November 2020 in Wiley Online Library (wileyonlinelibrary.com), has been retracted by agreement between the journal Editor‐in‐Chief and Wiley‐VCH GmbH. The retraction has been agreed as there is unambiguous evidence that this article was accepted on the basis of a compromised peer review process. Therefore, the review of this article is deemed to be insufficient. The authors disagree with the retraction.