Aerospace Engineering
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Experimental Demonstration and Quantification of Electrostatic Lofting of Dust Clumps
(2023)Electrostatic lofting of individual regolith grains on the Moon and asteroids has been investigated extensively. However, motion of clumps has been mentioned only anecdotally. For the first time, we electrostatically lofted ... -
Separation of an Ellipsoidal Body from a Two-Dimensional Ramp in Hypersonic Flow with Kestrel Validation
(2022)This study investigated the separation dynamics of an ellipsoidal body shedding from a two-dimensional ramp using experimental and computational methods. The main objective was to assess the fidelity of computational ... -
EVALUATING A FEMTOSECOND LASER-INDUCED BREAKDOWN SPARK AS AN AERO-OPTIC ILLUMINATION SOURCE
(2022)Currently, limitations exist on collecting aero-optic wavefront data in a wind tunnel dueto the types of sources available to illuminate the flow-field for the sensing optics. Collimated laser sources are commonly used, ... -
Mitigation of transverse gusts via open- and closed-loop pitching maneuvers
(2022)Unsteady flow conditions present significant challenges to stable flight, and gust rejectionremains a concern for flight control in many modern flight environments. Examples of gustdominated flight conditions include flight ... -
Solid Oxide Fuel Cell and Gas Turbine Hybrid Cycles for Aerospace Power and Propulsion
(2022)Hybrid propulsion systems combining gas turbine and solid oxide fuel cells (GT/SOFCs) have the potential to substantially reduce carbon emissions from 737-class aircraft. Many turbine/fuel cell hybrid cycles have been ...