**4. Conclusions**

In this study, two-dimensional FEM simulations were performed to observe the effects of primary channel misalignment in the PCHE under five different misalignment conditions.


**Author Contributions:** Conceptualization, A.P.S. and J.Y.L.; methodology, A.P.S.; software, A.P.S.; validation, A.P.S. and J.Y.L.; formal analysis, data curation, A.P.S.; writing—original draft preparation, A.P.S.; writing—review and editing, A.P.S. and J.Y.L.; visualization, A.P.S.; supervision, J.Y.L. All authors have read and agreed to the published version of the manuscript.

**Funding:** This work was supported by the National Research Foundation of Korea (NRF) grant, funded by the Korea governmen<sup>t</sup> (MSIP) (No. 2017M2A8A4018624).

**Conflicts of Interest:** The authors declare no conflict of interest.
