Numerical analysis shows Y-shaped twisted inserts improve heat transfer by up to 258% in circular pipes, indicating significant thermal performance benefits.
Key Points
The Y-shaped twisted inserts achieved a peak Nusselt number of 197.673, reflecting exceptional heat transfer enhancement based on geometric design.
With a twisting ratio of 7 and trapezoidal perforations, case E exhibited a thermal performance factor of 3.863 at lower Reynolds numbers, enhancing efficiency.
Employing computational fluid dynamics simulations, the study evaluated five configurations under consistent heat flux and varying Reynolds numbers.
The findings demonstrate that optimized twisted geometries can significantly reduce flow resistance while improving thermal efficiency in heat exchangers.