A method to determine the thermal diffusivity of a polymer, which is suitable for the undergraduate laboratory, is described. It serves as a practical demonstration of classical Fourier theory. In particular, techniques of realizing near‐to‐perfect boundary conditions are described.

This content is only available via PDF.
AAPT members receive access to the American Journal of Physics and The Physics Teacher as a member benefit. To learn more about this member benefit and becoming an AAPT member, visit the Joining AAPT page.