Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Predicted normalized effective gas diffusion coefficient and tortuosity in IP and TP directions of PTLs with different (a) porosity, (b) fiber radii, and (c) anisotropy parameters. Lines are added for the reader as guide for the eye only and are not meant to represent a trend with physical meaning.
