Figure 4. 2-Dimentional view of the mesh sizing/distribution used to run the simulation for the flow across a single tube. And the mesh was done using ANSYS Meshing

From

Numerical Simulation of Cross Flow in In-Line Square Tube Array to Estimate the Convective Heat Transfer Coefficient

Hossin Omar, Suliman Alfarawi, Azeldin El-sawi, Mohammed Zeo

American Journal of Energy Research. 2021, 9(2), 84-91 doi:10.12691/ajer-9-2-2