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Updated: May 18, 2026
10:03
Uncoupling Coriolis Force and Rotating Buoyancy Effects on Full-Field Heat Transfer Properties of a Rotating Channel
Published on: October 5, 2018
Addendum to "Two-fluid confined flow in a cylinder driven by a rotating endwall"
P T Brady1, M Herrmann, J M Lopez
1Sibley School of Mechanical and Aerospace Engineering, Cornell University, Ithaca, NY 14850, USA.
Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|September 26, 2012
Summary
Numerical simulations reveal grid-converged reversed flow in swirling two-phase flows when upper fluid viscosity is low. This finding clarifies the physical origin of interfacial flow behavior.
Area of Science:
- Fluid dynamics
- Computational physics
- Multiphase flow
Background:
- Previous numerical simulations of swirling two-phase flows identified interfacial reversed flow under specific viscosity conditions.
- The occurrence of this reversed flow was linked to cases where the upper fluid's viscosity is significantly lower than the lower fluid's viscosity.
Discussion:
- This report confirms that the previously observed reversed flow phenomenon is grid converged, indicating its numerical robustness.
- Further analysis is provided on the underlying physical mechanisms driving this interfacial reversed flow.
Key Insights:
- The reversed flow at the interface of swirling two-phase flows is a genuine physical phenomenon, not a numerical artifact.
- Grid convergence validates the simulation results, enhancing confidence in the observed flow behavior.
Outlook:
- Further research could explore the impact of varying fluid properties and flow parameters on the reversed flow.
- Investigating the implications of this reversed flow in practical applications, such as microfluidics or industrial mixing, is warranted.
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