X-ray diagnostics have the potential for making quantitative measurements in many
flowfields where optical diagnostics are challenging, especially multiphase flows. In the past …

Multiphase flows, defined as a discrete phase in a continuous fluid phase, are found in many
natural, industrial, and consumer flows, from rainfall and avalanches to petroleum …

Gasoline direct injection (GDI) sprays are complex multiphase flows. When compared to
multi-hole diesel sprays, the plumes are closely spaced, and the sprays are more likely to …

This paper implements a coupled approach to integrate the internal nozzle flow and the
ensuing fuel spray using a Volume-of-Fluid (VOF) method in the finite-volume framework. A …

Measurements of droplet size in optically-thick, non-evaporating, shear-driven sprays have
been made using ultra-small angle x-ray scattering (USAXS). The sprays are produced by …

In high pressure fuel injectors, needle opening and closing transients cause complex off-
design fluid dynamics behaviors that profoundly impact the spray and mixture formation …

The internal details of fuel injectors have a profound impact on the emissions from gasoline
direct injection engines. However, the impact of injector design features is not currently …

The effect of nozzle surface features on the overall atomization behavior of a liquid jet is
analyzed in the present computational work by adopting three representative geometries …

Liquid sprays play a key role in many engineering processes, including, but not limited to,
food processing, coating and painting, 3D printing, fire suppression, agricultural production …

High-speed X-ray phase-contrast imaging of the cavitating flow developing within an
axisymmetric throttle orifice has been conducted using high-flux synchrotron radiation. A …