Permeancethe degree to which a material admits a flow of matter or energy / From Wikipedia, the free encyclopedia Permeance is how well matter or energy flows through something. In science, permeance is usually shown as: P {\displaystyle {\mathcal {P}}} . This short article about physics can be made longer. You can help Wikipedia by adding to it.
Permeance is how well matter or energy flows through something. In science, permeance is usually shown as: P {\displaystyle {\mathcal {P}}} . This short article about physics can be made longer. You can help Wikipedia by adding to it.