Optical imaging techniques are ubiquitous for the resolution of non-uniformities in gas flows.
Planar imaging techniques such as laser-induced fluorescence are well established and …

Given diminishing fossil fuel resources and severe environmental pollution, governments
are strengthening their regulations regarding the exhaust emissions and fuel consumption of …

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 …

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 …

As modern gasoline direct injection (GDI) engines utilize sophisticated injection strategies, a
detailed understanding of the air-fuel mixing process is crucial to further improvements in …

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 …

Awareness of climate change, fossil fuel availability, and pollutants has been growing which
have pushed forward the effort in cleaner engines. In this aspect, the gasoline engines have …

The salient features of modern gasoline direct injection include cavitation, flash boiling, and
plume/plume interaction, depending on the operating conditions. These complex …

High-speed, two-dimensional synchrotron x-ray radiography and phase-contrast imaging
are demonstrated in propulsion sprays. Measurements are performed at the 7-BM beamline …

Four-dimensional (x, y, z, t) x-ray computed tomography was demonstrated in an optically
complex spray using an imaging system consisting of three x-ray sources and three high …