Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 23 for “"Configuration Design"”.
-
Aerodynamic pitch-up of cranked arrow wings: estimation, trim, and configuration design
… of a new method to estimate pitch-up of these configurations, and the applications of this new method to the analysis of tail designs for trim at high lift coefficients. The survey of past research placed emphasis on 1) understanding the problem of pitch-up, 2) ascertaining the effects of …
-
Manipulator’s configuration design, excavation path generation, and underground object detection for an autonomous electric excavator
… research are threefolds. The first one is to design and fabricate an excavator with parallel electrical linear actuators. The second one is to develop and test the PSO-based and PFM-Based path generation algorithms for this excavator in order to save energy, maintain the digging efficiency, …
-
A Study of an Asymmetric Two-Dimensional Nozzle as A Vector-Thrust Device
… the hodograph domain. The corresponding nozzle configuration and local flowfield properties are subsequently obtained through direct integration. Vector-thrust performance and configuration design under certain constraints are also presented. Wind tunnel experiments are also conducted to obtain …
-
EXPLORING NATURAL RESOURCE SCARCITY MITIGATION APPROACHES IN SUPPLYNETWORKS
… and water scarcity (WS) mitigation through SN reconfiguration and changes in operational capabilities. The research adopts a SN perspective, integrating recent advancements in SN configuration design with resource dependency theory to develop a framework for sustainable SN configuration and …
-
Intense pulsed neutron generation based on the principle of Plasma Immersion Ion Implantation (PI3) technique
… spectra generated as a function of the target configuration/ design to ensure a sustained intense neutron flux for long periods of time, (b) the system was also characterised as a function of power supply operating conditions such as voltage, current, gas pressure and plasma density.
-
Stability and maneuvering of hybrid hydrofoil/SWATH in foilborne mode
The hybrid hydrofoil/SWATH, designed and patented by Stefano Brizzolara, is a novel vehicle design that is optimized to operate in both a high speed foilborne mode and a displacement mode. The retractable hydrofoils on the vehicle take on a unique four surface piercing anhedral foil configuration. …
-
Development and validation of a modular hybrid electric vehicle simulation model
To attempt to bring rigor and analysis to the design process, accurate simulation programs are crucial. Most hybrid electric vehicle hybrid electric vehicle (HEV) simulation programs are written for very specific component configurations and only allow changes in component sizes. These programs …
-
Investigations into deep cracks in rocket motor propellant models
Star grain configuration design has been widely used in solid rocket applications for several decades. Although a large number of surface cracks are detected in the rocket motor propellants, the mechanism of these cracks is sull not well known due to the complex geometry of the grain. A …
-
Numerical and Experimental Study of Solidification Behavior in Thermal Storage Systems
… in empirical data, HVAC integration, and configuration design for building-integrated storage. A literature review of ice thermal energy storage methods, focusing on resistance networks, quasi-steady techniques, and enthalpy-based formulations, provides the foundation for PCM model …
-
Nonlinear dynamics of three dimensional fluid flow separation
… provides a systematic tool for diagnostics, configuration design and active flow control of separation and attachment in complex three dimensional fluid flows.
-
Analysis of fountain effect for tiltrotor configuration using computational fluid simulation and experimental method
The study involves a tiltrotor’s wing/rotor configuration design to properly test the model in both hover flight condition and crosswind condition replicated in the wind tunnel. To record data, a subsonic wind tunnel was utilized to test the wing/rotor configuration in different conditions of …
-
A study of street network configurations using deep learning
… system based on deep learning for the study and design of street network configurations. It aims to fill an existing gap in the use of deep learning in this field, through hypothesising that convolutional neural network (CNN) and generative adversarial network (GAN) models can make a …
-
Elastic and inelastic scattering of fast neutrons in fusion reactor materials
… to be common components of fusion reactor wall configuration design. The measurements were performed using an associated particle time-of- flight technique. The 14 and 14.44 Mev neutrons were produced by the T(d,n} 4He reaction with deuterons being accelerated in a 150kev SAMES type J …
-
Fundamental Configuration Optimisation of Aircraft with Electric Propulsion
… perform, provided the same shift occurs in their design. Improvements to conventional aircraft have reduced CO2 emissions per passenger kilometre by, on average, 3.8% per year since 1960, but these incremental improvements to conventional designs are not sufficient to meet the ambitious goals for …
-
The Distributed Spacecraft Attitude Control System Simulator: From Design Concept to Decentralized Control
… a new theory. This dissertation presents the design and development of a new experimental system. Although the DSACSS is not yet fully operational, a great deal of work has gone into its development thus far. This work has ranged from configuration design to nonlinear analysis to structural …
-
Enhancing Performance of Next-Generation Vehicular and Spectrum Sharing Wireless Networks: Practical Algorithms and Fundamental Limits
… the first contribution, we present a novel pilot configuration design and adaptation mechanism for cellular vehicular-to-everything (C-V2X) networks. Drawing inspiration from 4G and 5G standards, the proposed approach is based on limited feedback of indices from a codebook comprised of quantized …
-
New and improved solutions for the configuration, management and operation of large-scale photovoltaic power plants using hybrid energy storage system
… is to develop new solutions to improve the configuration, management, and operation of PV plants with energy storage, designing the necessary control techniques and validating them through real-time simulations. In this context, this thesis presents a large-scale PV power plant with HESS, …
-
Towards concept generation and performance-complexity tradespace exploration of engineering systems using convex hulls
… to create an approach that allows the designer to trade the number of false negatives and the size of the design space. A false negative is an architecture that is not generated or once generated is discarded from consideration erroneously as an infeasible one, even though once …
-
A study of the forming limits of cold and hot forming of aluminium alloy sheets with multi-point tooling
… that introducing a high-temperature forming configuration into a multi-point tooling forming process is feasible, which extends the existing process capabilities. The test results showed that proper cooling rates, which are achievable easily with the facility developed, could improve forming …
Page 1 of 2