Holey waters: The viscosity of a range of ionic and molecular fluids is shown to be proportional to the probability of finding an adjacent hole of sufficient dimensions to permit movement. An expression for the viscosity of an ideal gas can be modified by this probability function to account for the viscosity of liquids (see graphic).
If you can't find a tool you're looking for, please click the link at the top of the page to "Go to old article view". Alternatively, view our Knowledge Base articles for additional help. Your feedback is important to us, so please let us know if you have comments or ideas for improvement.