Before revision: thumb The Wells turbine is a low-pressure air turbine that rotates continuously in one direction independent of the direction of the air flow.
After revision: thumbnail|Wells-Turbine1 pipe wall 2 Axis3 Hub4 Turbine blade5 Resulting force vector6 direction of rotation7 air flow (can also be in the other direction) The Wells turbine is a low-pressure air turbine that rotates continuously in one direction independent of the direction of the air flow.