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Browse Dept. of Aerospace Engineering by Title
Now showing items 383-402 of 506
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(2018-04-24)Grain boundaries containing porous E-structural units (SUs) are known to readily emit dislocations under tension. This work establishes a correlation between the atomic structure, evolution of interfacial stresses and slip ...
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(2015-01-21)This dissertation explores the use of packings of frictionless hard particles as models of the microstructure of particulate heterogeneous materials. In the first part of this dissertation, we present the current ...
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(2017-07-19)Typical particulate composites used in engineering applications consist of complex microstructures with a range of particulate sizes and often high particulate volume fractions (65%-95%). Examples of these are, explosives ...
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(2015-04-28)This thesis presents a passive linear skin stretch device and shows that this device can provide multiple degree-of-freedom proprioceptive information about a myoelectric prosthetic hand during grasping. The device consists ...
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(2014-05-30)The low Reynolds number effects of small-scale propellers were investigated. At the Reynolds numbers of interest (below 100,000), a decrease in lift and an increase in drag is common making it difficult to predict ...
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(1995)A study was performed to evaluate the effects of different flow solvers, optimization methods, and design variables on aerodynamic design optimization. The Euler, Euler/boundary-layer, and compressible and incompressible ...
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(2011-08-25)This study investigated the feasibility of reducing control surface input power with the use of a tab-assisted flap. Wind tunnel tests were conducted at the University of Illinois at Urbana-Champaign (UIUC) on a NACA ...
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(2016-12-09)Quadrotors have the capability of being immensely useful vehicles to aid humans in labor intensive tasks. The critical challenge of using quadrotors inside homes is the efficient navigation of these vehicles in tight spaces ...
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(1997)A 1 kW hydrazine arcjet thruster has been modified for internal probing of the near-anode boundary layer with an array of fourteen electrostatic micro-probes. The main objectives of this experimental investigation were to: ...
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(2007)Limited data exists for propeller and wind turbine post stall aerodynamics. Post stall aerodynamics was observed in small propellers at low Reynolds numbers. First, performance data (thrust, power, and efficiency) of set ...
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(2010)We also examine spatial temperature profiles in the non-equilibrium relaxation region behind a stationary shock wave in a hypervelocity air Mach 7.42 freestream. The normal shock wave is established through a Mach reflection ...
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(2010-11-08)This work represents ongoing efforts to study high-enthalpy carbon dioxide flows in anticipation of the upcoming Mars Science Laboratory (MSL) and future missions to the red planet. The work is motivated by observed anomalies ...
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(2017-04-25)The current study was conducted to understand flow field unsteadiness associated with static stall hysteresis on an NACA 0012 airfoil at Rec = 1.0 × 10^6. Unsteady pressure measurements were acquired to evaluate the ...
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(2018-04-25)Spectral radiation is sensitive to many physical chemical aspects of high-enthalpy, non-equilibrium flows affect radiation and heat transfer estimates at low-earth altitudes, which is important as a flow diagnostic. For ...
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(2006)Two non-phasing circle-to-circle impulsive rendezvous problems are also examined to show the applicability of the tools developed here to a broader class of problems and to show how optimizing these rendezvous problems ...
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(1996)In this research the effect of viscoelastic behavior of thermoset matrix fiber-reinforced composites on process-induced residual stresses was investigated. The material selected for study was AS4/3501-6, a commercial prepreg ...
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Processing Dependent Mechanical Behavior and Molecular Structure of Electrospun Polymeric Nanofibers (2009)Finally, a semi-empirical model was proposed to capture the viscous response of PAN nanofibers. At small viscoelastic deformations, the model is composed of a set of linear springs and dashpots, appropriately assembled to ...
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Now showing items 383-402 of 506