Cone-on-plate viscometer
Shear rate, shear stress and torque (or, given a measured torque, the dynamic viscosity) for a cone-on-plate viscometer, from cone angle, radius and rotational speed.
Shear rate (from viscosity), γ̇10 ×10³ Hz
Shear stress (from viscosity), τ1000 Pa
Friction torque (from viscosity), M7.225235492702864 ×10⁻³ N·m
Shear rate (from torque), γ̇10 ×10³ Hz
Shear stress (from torque), τ1000.0000001795286 Pa
Dynamic viscosity (from torque), η0.10000000001795285 Pa·s
Method & references
- Cone-on-plate viscometer (Brookfield CAP-series geometry), direct and inverse forms.
The computation is a literal port of the original client-side JavaScript from /calculators/e5_2b.htm. Results are verified equal to the original by an automated golden-master test. No formula has been re-derived or “improved”.