Aerospace Engineering Brown Bag Lecture Series, ft Mackenzie Glaser and Dillon Smith

The July 9 Aerospace Engineering Brown Bag Lecture featured Mackenzie Glaser and Dillon Smith
Mackenzie Glaser presented "Fixturing and Assembly of the Lunar Flashlight Propulsion System"
Lunar Flashlight is a JPL cubesat that will scan the lunar surface for water ice and other volatiles. To achieve lunar orbit, the satellite will utilize a green monopropellant propulsion system developed by the GT Space Systems Design Lab and NASA MSFC. The design, manufacturing, and assembly of the propulsion system were all done here at SSDL. Due to the unique geometry of some of the additively manufactured parts, a successful assembly required many different integration fixtures to be developed, and the Aero Make Space facilities allowed for the team to utilize 3D printing techniques to efficiently develop and manufacture these fixtures. This presentation will discuss the assembly of the system, including how rapid additive manufacturing capabilities aided in a smooth assembly process, and highlight lessons learned for future spacecraft and propulsion system assembly at GT.
Dillon Smith presented "Development of a Turbulent Supercritical Fluid Combustor"
Combustion relies on thermodynamic reactions in order to convert chemical energy into thermal energy for the purpose of generating power. Combustion reactions are engineered to be as efficient as possible by operating under optimal conditions, one of which is to utilize a high pressure. However, as pressure is increased to approach a supercritical state, fluctuations in reaction rates and the thermodynamic properties of fluids undergoing turbulent combustion occur at an increased frequency and on an increasingly smaller scale. Current combustion modeling techniques may not provide an accurate depiction of the impact on performance and efficiency caused by these fluctuations at a high pressure. This prompts the need for new and precise measurements to be taken of turbulent combustion at a supercritical state in order to create a unique data set to be used for benchmarking and model development. This presentation will detail the design and development of a combustor in order to operate under high pressures for the purpose of collecting data using the Raman scattering technique.
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About the Series:
The Brown Bag Lecture Series is a tradition that gives select AE undergrads and grad students a unique opportunity to share their research before an audience that includes both their peers and their academic mentors and advisors.
www.ae.gatech.edu/brown-bag-l...

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