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Showing 1 to 20 of 35 for “"Full factorial design"”.
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Improving Response Characteristics of Split Ring Resonators Using Experimental Designs
… this thesis is to investigate the application of design of experiments approaches in the analysis of split ring resonators, and to compare two different approaches. The design parameters of the meta-material device are examined to study all the main effects, the two factor interactions, and the …
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Microtribodynamics of Sub-Five Nanometers Flying Head -Disk Interfaces in Magnetic Storage
… and their implementation to magnetic storage. Design criteria for sub-5 nm flying HDIs to avoid catastrophic head-disk instabilities due to adhesion were established by performing a 33 full factorial design-of-experiment. The more complicated issue of the presence of both adhesive and friction …
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Optimization of ligament parameters on a subject-specific computational human knee model in a dynamic knee simulator using design of experiments
… walk cycle were compared in a two level partial factorial design and a three level full factorial design and the ligament parameters were optimized based on the kinematic RMS error. The resulting parameter values are 80% of the experimentally derived zero load length values, 99.71% of the …
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Production of Renewable Diesel Fuel via Hofer-Moest Decarboxylation of Free Fatty Acids
… pure oleic acid is $0.383. From analysis of a full factorial design of experiment, higher ion concentrations and lower temperatures optimize the production rate and current efficiency of the reaction, while a maximal percentage of hydrocarbons are produced in neutral solutions. In comparison to …
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Effect of alkali treatment conditions optimization on kenaf fiber polyester composite characterization
… temperature ~ 100oC). Two types of experimental design approach were used in this work. It was three factors at three levels full factorial design for evaluating the kenaf fiber mechanical properties characterization and Response Surface Methodology (RSM) for determining the optimum alkali …
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Use of Aloe vera and Aloe marlothii materials as excipients in beads produced by extrusion–spheronization
… beads prepared by extrusion spheronisation. A 2³ full factorial design was employed for optimisation and to explore the effects of the concentration of MCC, polyvinylpyrrolidone and aloe materials on the sphericity and release rate of ketoprofen. Scanning electron microscopy revealed more porous …
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The Effect of Process Parameters and Surface Condition on Bond Strength between Additively Manufactured Components and Polymer Substrates
… the framework of additive manufacturing (AM). A full factorial design of experiments with five replications was conducted on two levels and three factors, viz., layer thickness, surface roughness, and raster angle to examine the underlying effects on bond strength. Analysis of variance (ANOVA) …
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Sviluppo di biosensori: modifiche di superfici elettrodiche e sistemi di immobilizzazione enzimatica
… of experimental runs, we applied an experimental design. A first screening was performed considering the following variables: deposition time (30 - 120 s), enzyme concentration (0.5 - 3.0 mg/mL), Ni/Al molar ratio (3:1 or 2:1) of the electrodeposition solution at a total metals concentration of …
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Development of optimal dyeing methods with natural dyes for environmentally friendly hemp textile
<p>This research aimed to more fully understand the effects of natural dyes including tea, pomegranate, and myrobalan on hemp fabric. The basic purpose of this study was to develop a natural dyeing process for natural fibers that improved wash fastness. It focused on the formulation for dyeing with …
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Management policies to handle multi queuing systems in a service oriented organization : a study of the Henri Bourassa driver licensing office in the City of Montreal
… and July were compared using this model. Using a full-factorial design and given the statistical analysis, it was evident that a deterministic customer arrival rates produce significantly shorter mean system transit times. The results also revealed that job flexibility policy as well as the moving …
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Human Interfaces for Cooperative Control of Multiple Vehicle Systems
… variable/function control) were tested. A full factorial design of experiments was performed with response time, workload, and quality of decision as metrics used to evaluate the quality and effectiveness of each interface. Based on the results of this experiment, a final graphical user …
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The effect of outsourcing and situational characteristics on physical distribution transportation efficiency
… function of motor carrier transportation. A full factorial design was executed on a simulated transportation network to investigate how the efficiency of motor carrier transportation was affected by how it was structured (private/leased fleet versus contract carrier transportation) and the …
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Advanced Electrohydrodynamic Atomisation Engineered Microneedle Coatings
… was carried out. This was followed by Quality by Design (QBD) implementation for the optimisation of the key process parameters in EHDA. Here, the electrosprayed nanoparticles and electrospun nano/micro fibres consisted of a polymeric matrix and dye. Eight formulations were assessed consisting of …
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Development and characterization of electrically conductive thermoplastic based composite materials for fuel cell bipolar plates
… ternary, and quaternary configurations. A full factorial design of L-27 Orthogonal Array (OA) was used as a Design of Experiment (DOE) to evaluate the effect of the filler and the possibility of any interactions between them. The experimental data were interpreted by the Analysis of …
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Simulation of urea particle flow using DEM for dry fertilizer spreading optimization
… single spheres with a mean diameter of 3.2 mm. A full-factorial design of experiment was then used to calibrate the model using two bulk responses: angle of repose and loose-fill bulk density. The calibrated parameter set consisted of a particle-particle static friction coefficient of 0.27 and a …
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Development and characterization of advanced nitric oxide-delivering polymeric systems against cardiovascular complications
… coating conditions optimized using two level full factorial design predicted that PCL polymer with (17.5% w/v; +1) and (0.5% w/w; 0), polymer concentration and drug concentration, respectively displayed sustained and controlled drug release profiles, along with slow in vitro degradation …
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From Functionally Graded to Grain-Boundary-Decorated Nanograined Alloys: a New Approach to Bulk Lightweight Alloy Design via Friction Stir Processing
… metallurgy approaches. For the Al–Zn system, a full factorial design of experiment (DOE) with regression modeling is employed to quantify the effects of processing parameters: rotational and traverse speeds, on peak temperature and groove length percentage. Following DOE analysis, further …
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Compounds Released from Biomass Deconstruction: Understanding Their Effect on Cellulose Enzyme Hydrolysis and Their Biological Activity
… time, and sulfuric acid concentration based on a full factorial design. Temperature was varied from 140°C to 180°C; time ranged from 10 to 40 min; and the sulfuric acid concentrations were 0.5% or 1% (v/v). Identified products in the prehydrolyzates included xylose, glucose, hydroxymethylfurfural …
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Investigation of Emission Characteristics during Low Temperature Combustion using Multivariate Adaptive Regression Splines
… and fuel split were varied per a 5 X 3 X 3 full factorial design. Advanced Vehicle Fuel Lubricants (AVFL) Committee of the Coordinating Research Council (CRC) defined a matrix of nine test Fuels for Advanced Combustion Engines (FACE) based on the variation of three properties: cetane number, …
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Statistical Methods and Experimental Design for Inference Regarding Dose and/or Interaction Thresholds Along a Fixed-Ratio Ray
An alternative to the full factorial design, the ray design is appropriate for investigating a mixture of c chemicals, which are present according to a fixed mixing ratio, called the mixture ray. Using single chemical and mixture ray data, we can investigate interaction among the chemicals in a …
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