RETRACTION: Laminar single‐phase and two‐phase modeling of water/MgO nanofluid flow inside a rectangular microchannel with rhombic vortex generators

RETRACTION: M. R. Faridzadeh, D. Toghraie, M. Khalili, O. A. Akbari, N. Ghajari, A. Alizadeh, “Laminar single‐phase and two‐phase modeling of water/MgO nanofluid flow inside a rectangular microchannel with rhombic vortex generators,” Zeitschrift für Angewandte Mathematik und Mechanik (Early View): https://onlinelibrary.wiley.com/doi/full/10.1002/zamm.202000332The above article, published online on 25 February 2021 in Wiley Online Library (wileyonlinelibrary.com), has been retracted by agreement between the journal Editor‐in‐Chief, Holm Altenbach, and Wiley‐VCH GmbH.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.