Images

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2009 Awards Banquet

Filed under the keywords
An album containing 72 images.

These photographs were taken at the 2009 joint awards banquet for the AIAA Dayton-Cincinnati Section and the ASME Dayton Section.

2009 USAF Museum restoration hangar tour

Filed under the keywords
An album containing 49 images.

Photographs from the 2009 AIAA Dayton-Cincinnati Section tour of the USAF Museum's restoration hangar. This was a FANTASTIC rare tour of the USAF Museum Restoration Hangar, where several new acquisitions were being restored for display in the main museum.

Cincinnati Science Olympiad competition

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An album containing 4 images.

Photographs from the 2009 Cincinnati Science Olympiad competition.

2009 Dayton-Cincinnati Aerospace Sciences Symposium

Filed under the keywords
An album containing 7 images.

Photographs from the 2009 Dayton-Cincinnati Aerospace Sciences Symposium (DCASS).

A Man with Nanohair

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Nanotubes (nanohair) grown on carbon fiber (Man's forehead). The scanning electron microscope (SEM) image (15.0kV, 10.0k, WD: 8.0mm) was obtained using a Hitachi S-4800 HR-SEM at NEST, University of Dayton.

Fingerprints of High-Temperature Attack of Sodium Vapor onto Quartz Surface

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Sudden boiling of liquid sodium (b.p. = 1156 K at 1 atm) inside the all quartz-made smelting/evaporation chamber results in condensation and high-temperature reaction of sodium vapor with the inner wall surface. The attack and reaction becomes more aggressive with increasing vapor temperature. The condensation "fingerprints" express different color bands from silver, metallic, milky, brown, orange, red, and black with increasing level of the sodium attack and reaction on the surface.

Flame On

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An aluminum oxide Ceramic Matrix Composite is mechanically tested while exposed to a flame. The flame is supplied by a high-velocity propane-oxygen spray gun, heating the specimen to 2,200°F. This allows examination of material properties in a combustion environment.

Flaming Jelly Fish

Filed under the keywords

No actual jelly fish were harmed in the production of this picture. The picture shows a sequence of four short-exposure (0.5 ms) images of an ethylene-air flame inside of a tube. The structures shown are normally integrated by the human eye and perceived as a continuous flame.

FlyT Test - Licking Technology Development

Filed under the keywords

This photograph shows the integration of the test wing to the bottom of an aircraft fuselage.

Lorentz Meets Newton

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A Hall-effect Thruster operating with xenon propellant produces exhaust velocities in excess of 18 km/s! Using a combination of electromagnetism and classical physics the Hall-effect thruster ionizes the xenon gas, which acts as the propellant, and accelerates it to generate thrust. The small amount of neutral purple plasma to the right of the highly ionized blue plasma plume is from the cathode which provides electrons to both ionize the propellant inside the channel of the thruster and neutralize the exhaust plume.