Universal equations and constants of turbulent motion

Universal n-5 spectrum on giant planets

Universal Spreading Dynamics of Liquid Drops on Partially Wetting Surfaces

Universality at the onset of turbulence in shear flows

Universality in dynamic wetting dominated by contact line friction

Unstable Leidenfrost Drops on Roughened Surfaces

Unstable periodic orbits and heteroclinic connections in plane Couette flow

Unstable periodic orbits in a four-dimensional Faraday disk dynamo

Unstably stratified geophysical fluid dynamics.

Unsteady Hydromagnetic Flow of Viscoelastic Fluid down an Open Inclined Channel

Upstream contamination in water pouring

Uptake of water droplets by nonwetting capillaries

Use of a porous membrane for gas bubble removal in microfluidic channels: physical mechanisms and design criteria

Use of a speed equation for numerical simulation of hydraulic fractures

Use of groundwater lifetime expectancy for the performance assessment of a deep geologic radioactive waste repository:2. Application to a Canadian Shield environment

Using data assimilation in laboratory experiments of geophysical flows

Using Drag to Hover

Using multiscale norms to quantify mixing and transport

Using Vortex Dynamics to Predict an Impending Global Climate Change for Jupiter

Utilization of the second gradient theory in continuum mechanics to study motions and thermodynamics of liquid-vapor interfaces