Schlieren and shadowgraph techniques are used around the world for imaging and
measuring phenomena in transparent media. These optical methods originated long ago in …

Low-dimensional models of experimental and simulation data for a complex supersonic jet
were fused to reconstruct time-dependent proper orthogonal decomposition (POD) …

In this paper, we present an experimental investigation of a supersonic rectangular nozzle
with aft deck used for three-stream engines. The jet utilizes a single expansion ramp nozzle …

Schlieren imaging is widely adopted in applications where fluid dynamics features are of
interest. However, traditional Z-type schlieren systems utilizing on-axis mirrors generally …

Abstract Machine vision systems are being utilized extensively in agriculture applications.
Daytime imaging in outdoor field conditions presents challenges such as variable lighting …

Diesel fuel and water emulsions have been shown to reduce emissions of NO x and PM
from compression ignition engines. There is a lack of work examining the influence of …

Schlieren photography is widely used for visualizing phenomena within transparent media.
The technique, which comes in a variety of configurations, is based on detecting or …

Time-resolved schlieren measurements were conducted on a supersonic rectangular multi-
stream nozzle used for three-stream engines. The jet utilizes a single expansion ramp …

Spatially and temporally resolved regression rate measurements were obtained for paraffin
wax combustion in a two-dimensional slab-type rocket motor configuration using an optically …

A rectangular single-expansion ramp nozzle (SERN) with an aft deck is used to model the
exhaust from a three-stream engine. At the nozzle exit two unmixed streams exist. The first is …