Table 2 Grid study in this investigation.

From: RETRACTED ARTICLE: Comprehensive investigations of mixed convection of Fe–ethylene-glycol nanofluid inside an enclosure with different obstacles using lattice Boltzmann method

\(Grid\)

\(N{u}_{avg}\)

\(40\times 40\)

7.514

\(60\times 60\)

8.281

\(80\times 80\)

8.4117

\(100\times 100\)

8.446

\(120\times 120\)

8.448

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