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Browse Dept. of Aerospace Engineering by Title
Now showing items 1-20 of 506
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(2019-04-24)Hall thrusters are a spacecraft propulsion device for orbit maintenance and north-south station keeping. One of the concerns about Hall thrusters is the sputtering of high energy ions which could result in the erosion of ...
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A model of quadrotor UAV power consumption and its performance across a range of flight conditions (2019-12-12)This thesis presents a parametric model of quadrotor power consumption and characterizes the performance of this model in hardware experiments. Like other existing power models that have been used both for quadrotors and ...
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(2019-04-26)Computational modeling research centers around developing ever better representations of physics. The objective of model reduction specialists is to take that high fidelity understanding and compress it into a Reduced Order ...
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(2018-07-16)Spectroscopic detection of signatures produced by Nuclear Weapons of Mass Destruction (NWMD) is essential for maintaining national security and countering nuclear proliferation. Through non-invasive measurement techniques ...
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(2007)Although the applications considered in this thesis are of two-dimensional nature, generalization issues to three-dimensional are outlined for both spatial and temporal coupling algorithms. Finally, the proposed numerical ...
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(2013-05-24)This dissertation documents the research endeavor conducted by the author in the field of aerodynamic flow control. The objectives were to develop flow control actuators, investigate their mechanism, and study their ...
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(2012-12)The current project was undertaken to evaluate the effects of electric arc plasma actuators on high-speed separated flows. Two underlying goals motivated these experiments. The first goal was to provide a flow control ...
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(2014-01-16)Flow control, especially active control, has potential to vastly improve aerospace vehicles in terms of both efficiency and performance. Plasma actuators are a promising technology because they have no moving parts, fast ...
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(2017-04-21)Actuator and sensor placement for active control of high-Reynolds number flows is largely based on experience and trial-and-error because of the system’s large dimensionality and complexity. A novel strategy for estimating ...
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(2016-12-06)In this thesis, we are interested in optimization in multiphase flows using discrete adjoint-based methods. The main issues we will endeavor to study are the impact on the linearized and adjoint equations of discontinuous ...
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(2011-05-25)Modern flight vehicles are fabricated from composite materials resulting in flexible structures that behave differently from the more traditional elastic metal structures. Composite materials offer a number of advantages ...
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(2019-04-23)An experimental investigation was conducted at the University of Illinois’ Transonic Wind Tunnel Facility on a Griffith-type transonic airfoil to evaluate the effectiveness of its laminar flow qualities and boundary-layer ...
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(2017-07-21)Independently articulated aerodynamic flaps on a blunt-body entry vehicle may provide a feasible alternative to current state-of-the-art bank-angle steering control while introducing additional benefits during entry, ...
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(2012-12)This thesis presents wind tunnel results of wings of low-to-moderate aspect ratio (2$\leq$\AR$\leq$5) tested at low Reynolds numbers (40,000 to 160,000). All models tested had a chord length of 3~in and a wingspan of 7 to ...
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(2018-04-27)Small satellites, such as CubeSats and SmallSats, are seeing increased use in Low Earth Orbit, particularly at altitudes with measurable aerodynamic effects. It is important to design these spacecraft, which often have ...
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(1996)A low-speed experimental study of the effects of an oscillatory pitching motion on the flowfield of a chined forebody has been performed. These tests were conducted in the University of Illinois low-speed (0-240 ft/sec), ...
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(2012-09-18)An experimental study of the aerodynamics of a swept wing with ice at low Reynolds number has been performed. The goal of this work was to demonstrate the use of various experimental techniques applied to understanding the ...
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(2016-12-09)The high-speed flow in the wake of the propeller also known as propeller wash, or simply propwash, can severely affect the aerodynamic forces on a lifting surface. Steady-state computational results for a symmetric SD8020 ...
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(2007)Results for this work have shown that runback ice accretions can cause significant aerodynamic performance penalties. In general, the NACA 23012 experienced greater aerodynamic performance penalties due to the runback ...
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Now showing items 1-20 of 506