Influences of Flow Attack Angles and Flow Directions on Heat Transfer Rate, Pressure Loss, and Thermal Performance in Heat Exchanger Tube with V-Wavy Surface

Table 1

Boundary condition for the computational domain of the heat exchanger tube equipped with the V-wavy surface.

Zone	Boundary condition
Inlet	Periodic
Outlet	Periodic
Tube wall	Constant temperature at 310 K and no slip wall condition
Wavy surface	Insulator and no slip wall condition