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Now showing items 31-40 of 173
Modeling and failure analysis of composite I-beams for UAV wing spar design
(2021-05)
In unmanned aerial systems (UAS), the composite I-beam using carbon fiber caps and a cross-grain balsa shear web is often used for the main spar. This manufacturing method is underdeveloped in analysis causing engineers ...
Reduced Order Modeling of Geophysical Flows Using Physics-Based and Data-Driven Modeling Techniques
(2019-07)
The growing advancements in computational power, algorithmic innovation, and the availability of data resources have started shaping the way we numerically model physical problems now and for years to come. Many of the ...
Fracture behavior and time dependent properties of poss-epoxy nanocomposites
(2015-07)
This study investigates the fundamental mechanism that governs the influence of glycidyl POSS on the time-dependent behavior of epoxy-POSS composite as a function of added weight percent. Different formulation of POSS-epoxy ...
Numerical Investigation of Air Mixer Performance for HVAC Testing Applications
(2019-05-01)
The ever-increasing energy demand is one of the biggest challenges of the design processes in heating, ventilation, and air-conditioning (HVAC) systems. Accurate performance measurements of equipment in the laboratory ...
Development of recommendations for air mixer and sampler design and combinations thereof for performance testing of HVAC equipment
(2023-05)
Advances in equipment performance, and the development of variable speed equipment have led to stricter performance testing of HVAC&R equipment, requiring limited tolerances on capacity and efficiency measurements to 5% ...
Recursive Newton-Euler dynamics and sensitivity analysis for dynamic motion planning
(2020-12)
In this study, sensitivity equations are derived for recursive Newton-Euler dynamics using Denavit-Hartenberg (DH) moving coordinates. The dynamics and sensitivity equations depend on the 3x3 DH rotation matrices. Compared ...
Mobile ground test rig for evaluating small-scale turbojet in-flight performance and start reliability
(2021-05)
This paper presents the design and analysis of a mobile ground test rig for small-scale turbojet engines to simulate in-flight start reliability for design changes aimed at increasing the performance of the engine. One of ...
Deformation, wave phenomena, and breakup outcomes of round nonturbulent liquid jets in uniform gaseous crossflow
(2006-07)
Scope and Method of Study: An experimental and computational research is performed to study the deformation and breakup of round nonturbulent liquid jets in uniform gaseous crossflow. Pulsed photography and shadowgraphy ...
Disk drive actuator design and control for robust non-operational shock performance
(2005-12)
As disk drives become more of a commodity based product, quality and cost control have become top industry priorities. Disk drive manufacturers are now heavily focused on efforts to reduce costs while maintaining quality ...
Information aware flight path design for flow field estimation and performance investigation of active flow control aircraft controllers
(2022-12)
This thesis discusses the feasibility and performance of implementing a COTS reciprocating piston compressor for a developed active flow control (AFC) actuation framework to quantify the aerospace-relevant performance ...