Browsing Department of Mechanical and Aerospace Engineering by Title
Now showing items 710-729 of 916
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PILOT DEMONSTRATION BASED REINFORCEMENT LEARNING WITH APPLICATION TO LOW SPEED AIRSHIP CONTROL
(2017-01-12)Designing control systems for airship has unique challenges as compared to conventional aircraft. Highly nonlinear dynamics, different mass/inertia relations, vast uncertainties in the model parameters and underactuation ... -
Plate Analysis With Different Geometries And Arbitrary Boundary Conditions
(Mechanical Engineering, 2012-04-11)This thesis work deals with the study of plates with various geometries and different boundary conditions. The method of study is carried out mainly using the Galerkin method combined with the help of the symbolic algebraic ... -
Point Measurement Of Detonation Wave Propagation Using Ion Guage
(Mechanical Engineering, 2014-03-12)Accurate measurement of detonation wave velocity is important in the study of detonations. Detonation wave velocity is calculated by the ratio of distance between two transducers which the wave front travels over the ... -
Polymer Tube Embedded In-plane Micropump: Design, Analysis And Fabrication
(Mechanical Engineering, 2007-08-23)This thesis presents the design, analysis, and fabrication of a novel polymer tube embedded in-plane micropump. The key component of the proposed micropump is a Parylene polymer tube that is embedded into the trench of a ... -
Pool Boiling Heat Transfer Characteristics Of Nanofluids And Nanocoatings
(Mechanical Engineering, 2010-03-03)This research is a qualitative and quantitative investigation to understand the behaviors of nanofluids and nanocoated surfaces during pool boiling heat transfer. The pool boiling behavior of low concentration nanofluids, ... -
Predicting Adhesive Bond Performance Based on Initial Dielectric Properties
(American Society for CompositesDEStech Publications, Inc.University of Texas at Arlington Research Institute (UTARI), University of Texas at Arlington, 2017-10)This paper will focus on an approach to study the mechanical as well as the dielectric properties of an adhesive bond. The dielectric testing is done by using Broadband Dielectric Spectroscopy (BbDS), wherein the dielectric ... -
PREDICTING CRACK INITIATION AND EARLY CRACK GROWTH BEHAVIOR OF PURE NICKEL USING SURFACE TOPOGRAPHY ANALYSIS
(2019-08-19)Fatigue has long been studied as the most critical loading mode for man-made structures. Despite the advances in material behavior characterization and numerical calculation, many structures unexpectedly fail before their ... -
PREDICTING MECHANICAL BEHAVIOR OF 3D PRINTED STRUCTURES USING MECHANICS OF COMPOSITES AND FRACTURE
(2018-05-22)Recently, additive manufacturing, or 3D printing as it is more commonly called, has taken a big leap in the manufacturing industry. This technology is rapidly moving from prototyping to manufacturing using metals, polymers, ... -
Prediction and Validation of Continuous Fiber Stiffened Plates Manufactured With Continuous Fiber Fabrication
(2020-06-03)The purpose of this thesis was to develop an analytical method for predicting the structural properties of continuous fiber stiffened plates, which was then validated both experimentally and via finite element analysis. ... -
PREDICTION OF PROCESS-INDUCED DEFECTS BY PLY-DROPS IN THE DESIGN OPTIMIZATION OF A COMPLEX COMPOSITE LAMINATE
(2017-08-28)The objective of this work is to characterize manufacturing process-induced warping defects due to ply drops in composite laminates to guide composite laminate design. Composite laminate optimization seeks weight ... -
PREDICTION OF SOLDER JOINT FATIGUE LIFE OF PHOTONIC PACKAGE USING Ⅲ-Ⅴ MATERIALS
(2021-12-14)Fatigue life prediction has become very important factor in reliability of any electronic components to withstand extreme thermal stresses in industrial standard. Hence, photonic packages are widely used in telecommunication ... -
Preliminary Design Of A Pressurization System For Small Bipropellant Rocket Engines
(Aerospace Engineering, 2012-04-11)A study was conducted on the feasibility of developing a device or system that would improve the performance of small, bipropellant rockets through pressurization of the propellants. Due to the limitations in the space ... -
Preliminary Design Of Mesoscale Turbocompressor And Rotordynamics Tests Of Rotor Bearing System
(Mechanical Engineering, 2011-10-11)A mesoscale turbocompressor spinning above 500,000 RPM is evolutionary technology for micro turbochargers, turbo blowers, turbo compressors, micro-gas turbines, auxiliary power units, etc for automotive, aerospace, and ... -
PROBABILISTIC RISK ASSESSMENT AND THE PATH PLANNING OF SAFE TASK-AWARE AUTONOMOUS RESILIENT SYSTEMS (STAARS)
(2019-05-16)Recent advancements on the unmanned systems manifest the potential of these technologies to impact our daily life. In particular, the unmanned aircraft systems (UAS) become ordinary for people in almost any area from aerial ... -
Process Calibration for Elastically Scaled 3D Printed Models using Fused Deposition Modeling
(2018-12-18)With the increase in additive manufacturing capabilities the use of 3D printed models characterize a critical point for evaluating aerodynamic and aeroelastic properties on aircraft configuration. An experimental and ... -
A Process For Ice Detector Placement Using 3-D Eulerian Droplet Impingement Analysis
(Aerospace Engineering, 2009-09-16)Ice detectors invoke an aircraft's ice protection systems, which reduce the risks of flight into known icing conditions. A process has been developed to place ice detectors on aircraft using high fidelity computational ... -
PRODUCTION OF LIQUID FUELS FROM NATURAL GAS: SIMULATION OF SYNTHESIS GAS AND FISCHER-TROPSCH REACTORS
(2019-05-08)Gas to Liquid (GTL) processes chemically convert natural gas to valuable liquid hydrocarbon products. The GTL process considered in this research is comprised of three phases: 1) syngas production, 2) Fischer-Tropsch ... -
PSEUDO-SPECTRAL METHODS BASED REAL-TIME OPTIMAL PATH PLANNING FOR UNMANNED GROUND VEHICLES
(2017-12-08)Real-time optimal trajectory design and tracking for autonomous ground vehicles are maturing technologies with the potential to advance mobility by enhancing time and energy efficiency in application such as indoor ... -
PSYCHROMETRIC BIN ANALYSIS FOR DATA CENTER COOLING MODES USING ARTIFICIAL NEURAL NETWORKS
(2018-05-25)With an increase in the need for energy efficient data centers, a lot of research is being done to increase the use of Air Side Economizers (ASEs), Direct Evaporative Cooling (DEC), Indirect Evaporative Cooling (IEC) and ... -
Pulsed Detonation Engine Nozzle Design and Analysis
(2019-12-04)For a hypersonic flight mission, different flight regimes have been recognized. The successful and efficient operation of the aircraft to traverse through all the flight regimes requires the integration of various propulsion ...