Images

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Portrait of a detonation

Filed under the keywords

A cheerful pose from an efficient combustion cycle, this portrait is a contour plot of pressure through a longitudinal slice of a 3-D Pulse Detonation Engine simulation, as the primary shock exits the tube, 1.23E-4 seconds into the simulation. From bottom to top, it features the bow shock, a zone of near isentropic compression, a Mach disk, a pair of low pressure vortices, and the expansion zone from the PDE tube.

Re-ignition

Filed under the keywords

The image shows a smokefoil record of a two-dimensional detonation transitioning from a pre-detonator to a thrust tube for a pulse detonation engine. The transition was successful since the detonation re-ignited off the walls at the beginning of the thrust tube. The smokefoil record is generated by taking a pressure histogram of the transient data.

Testing of a plasma power supply using carbon electrodes

Filed under the keywords

Plasma arc gasification is a waste treatment technology that uses electrical energy and the high temperatures created by an electrical arc gasifier. This arc breaks down waste primarily into elemental gas and solid waste (slag), in a device called a plasma converter. The process has been intended to be a net generator of electricity, depending upon the composition of input wastes, and to reduce the volumes of waste being sent to landfill sites.

Toroidal blue flame ring

Filed under the keywords

The image shows a Toroidal Blue ring flame that forms around the main flame immediately downstream of the bluff centerbody. The fuel for the flame is an ethylene/nitrogen mixture. This blue ring flame exhibits a slight oscillation in the vertical direction. The blue color is attributed to CH-radicals.

2010 Miami Valley TechFest

Filed under the keywords
An album containing 11 images.

Photographs from the 2010 Miami Valley Techfest. The AIAA Dayton-Cincinnati Section interests kids in aerospace engineering with an opportunity to design, build, & fly straw rockets. We had 14 volunteers, mostly from the University of Dayton and Wright State University. We helped over 700 kids build and fly straw rockets during the TechFest weekend.

Tom Bussing

Filed under the keywords

This year's featured keynote talk will be "Technology Development: One Project at a Time." It will be presented by Dr. Tom Bussing. Dr. Bussing is currently working as a program manager at the Defense Advanced Research Projects Agency (DARPA) in the Tactical Technology Office (TTO).

Dr. Bussing is the keynote speaker for the 35th Dayton-Cincinnati Aerospace Sciences Symposium. His presentation is titled "Technology Development: One Project at a Time."

Educational outreach at Glendover Elementary

Filed under the keywords
An album containing 3 images.

Section Member Ray LeBeau demonstrated flight mechanics with the straw rocket launcher in 5th & 2nd grade classrooms at Glendover Elementary in Lexington KY.

Cosmic costume party

Filed under the keywords
An album containing 7 images.

The University of Kentucky Chapter took the the section's straw rocket launcher to the Grant County Public Library for their Cosmic Costume Party. This was also the kickoff of the library's traveling exhibit "Visions of the Universe," celebrating the 400th anniversary of when Galileo first looked to the skies. Children ages 8-14 and their parents attended.

Straw rockets at the 2009 Dayton Airshow

Filed under the keywords
An album containing 11 images.

The University of Dayton's AIAA Student Chapter took the section's straw rocket launchers to the Airshow. It was a hit!

Women in Engineering summer camp and Dinner with an Engineer

Filed under the keywords
An album containing 4 images.

The AIAA Dayton-Cincinnati Section sponsored a participant with a scholarship to the Women in Engineering Summer Camp.