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Articles 1 - 11 of 11
Full-Text Articles in Engineering
Torque Limit Of A Mechanical Fastener In A Graphite/Epoxy Joint, Kristian M. Kostreva
Torque Limit Of A Mechanical Fastener In A Graphite/Epoxy Joint, Kristian M. Kostreva
Master's Theses - Daytona Beach
Presently there is a lack of confidence amongst engineers when specifying the preload of a mechanical fastener in a composite joint due to a lack of a fundamental knowledge base regarding the behavior of composites under fastener compressive load. As such, a novel experimental procedure was developed herein to determine the through-the-thickness compressive (TTTC) material properties. A total of 206 property tests were performed on four different graphite/epoxy material systems. The results confirmed that TTTC material properties vary with fiber orientation, laminate thickness, fiber volume fraction, and even laminate surface finish. Hence, the 'rule of mixtures' provides a poor estimate …
The Pilot Proficiency Audit Of Knowledge, Skills, And Abilities: Adding To The Air Carrier Safety Toolbox, James M. Walters
The Pilot Proficiency Audit Of Knowledge, Skills, And Abilities: Adding To The Air Carrier Safety Toolbox, James M. Walters
Master's Theses - Daytona Beach
The correlation between air carrier pilot performance and age, total flight time, total airline flight time, and time in current position has not been fully documented. This study observed 62 F/Os in line operations and graded 74 knowledge, skills, and abilities performance variables, utilizing a five-point Likert scale. Knowledge items scored slightly below the referent, with no improvement over time; skills improved with both flight time and years of service; and abilities decline markedly across all independent variables. Changes to pilot training syllabi and techniques, as well as hiring practices, may be indicated. Integrating Pilot Proficiency Audit data into existing …
The Effect Of Simulator Platform Motion On Pilot Training Transfer: A Meta-Analysis, Eric A. Vaden
The Effect Of Simulator Platform Motion On Pilot Training Transfer: A Meta-Analysis, Eric A. Vaden
Master's Theses - Daytona Beach
A meta-analytic (MA) approach was used to generate an estimate of true mean effect size (δ) for simulator motion with regard to pilot training transfer. The analysis was based on the techniques developed by Hunter and Schmidt (1990). A d statistic was used for effect size calculations based on information available in the included sources. Eleven studies were reviewed and considered for analysis, but only seven of these included the information necessary for calculating effect size and were included in the study. The result of the MA suggest a small, positive effect for motion, d = .16. No credibility interval …
Application Of Systems Engineering Principles And Methods To An Advanced Technology Research Project, Robert William Peak
Application Of Systems Engineering Principles And Methods To An Advanced Technology Research Project, Robert William Peak
Master's Theses - Daytona Beach
This thesis is a case study of the tailored application of modern systems engineering principles and methods to a joint sponsored research and development program. The Small Aircraft Transportation System program is a $100M class, 4 year proof-of-concept research and demonstration program jointly sponsored by the National Aeronautics and Space Administration (NASA), the Federal Aviation Administration (FAA), and a consortium of industry, universities, research institutes, and state and local aviation authorities. Its goals are to show that the introduction of emerging airborne and ground technologies and procedures in personal and business aircraft and at small, underutilized airports, can facilitate and …
Modeling Of Acoustic Emission Failure Mechanism Data From A Unidirectional Fiberglass/Epoxy Tensile Test Specimen, Daniel R. Lendzioszek
Modeling Of Acoustic Emission Failure Mechanism Data From A Unidirectional Fiberglass/Epoxy Tensile Test Specimen, Daniel R. Lendzioszek
Master's Theses - Daytona Beach
The purpose of this work was to model the acoustic emission (AE) flaw growth data that resulted from the tensile test of a unidirectional fiberglass/epoxy specimen. The data collected and stored during the test were the six standard AE quantification parameters for each event. A classification neural network was used to sort the data into five failure mechanism clusters. The resulting frequency histograms of the sorted data were then mathematically modeled herein using the three types of Johnson distributions: bounded, lognormal, and unbounded. These provided a reasonably good fit for all six AE parameter distributions for each of the five …
The Effects Of An Induced Negative Mood State On Ground- Based Learning In Student Pilots, Angela Sophia Wendell
The Effects Of An Induced Negative Mood State On Ground- Based Learning In Student Pilots, Angela Sophia Wendell
Master's Theses - Daytona Beach
The United States Department of Transportation and the Federal Aviation Administration's Aviation Instructors Handbook (D.O.T.) (1999) emphasizes that aviation students must maintain a healthy and positive state of mind in order to succeed at learning. Factors such as worry, lack of interest, physical discomfort, and anxiety are all listed as obstacles to a student's ability to learn successfully during flight instruction. In addition, numerous studies support the idea that a negative mood state will have a detrimental effect on learning. This study attempts to investigate the effects of an induced negative mood state on ground- based learning in student pilots.
A Simulation Study To Investigate Runway Capacity Using Taam, Prakash Subramanian
A Simulation Study To Investigate Runway Capacity Using Taam, Prakash Subramanian
Master's Theses - Daytona Beach
This study outlines a method to evaluate runway layouts using simulation, to aid in the airport planning and decision making process. As a sample study, the maximum throughput capacities of proposed expansion alternatives at Philadelphia International Airport (PHL), constrained at varying levels, are identified. The objective is to compare the ultimate airport capacities achievable for each of the different layouts to estimate their respective efficiencies in terms of runway system utilization. Given its capabilities for modeling at a very high level of detail and closely representing reality in terms of applicable separation standards and air traffic control procedures, TAAM (Total …
An Experimental Investigation Of Direct And Indirect Viewing Of A Remote Manipulation, Stephen N. Plishka
An Experimental Investigation Of Direct And Indirect Viewing Of A Remote Manipulation, Stephen N. Plishka
Master's Theses - Daytona Beach
The purpose of this study was to evaluate direct and indirect viewing of a remote manipulation. With continued exploration of inner and outer space, the ability to directly manipulate objects is lost due to the nature of operating in harsh environments. Remote viewing and operation of equipment is used in such things as the space shuttle manipulator arm, orthoscopic surgery, undersea exploration, and hazardous material management. Most of these operations do not have the luxury of direct viewing. This study will compare the effects of direct viewing vs. indirect viewing from three different viewing distances of 20cm, 60cm and 100cm.
Auditory Stimulation And Its Effect On Spatial Temporal Ability, Cynthia G. Edwards
Auditory Stimulation And Its Effect On Spatial Temporal Ability, Cynthia G. Edwards
Master's Theses - Daytona Beach
This thesis was designed to detect the type of spatial ability most effected by auditory stimulation, as described in the Mozart effect. Previous research has shown enhancement of performance on the paper-folding and cutting subtest of the Stanford-Binet Intelligence Scale IV with failures to replicate in research using other measures. Seventy-five college students enrolled in introductory psychology classes were exposed to one of three types of auditory stimulation, followed by two measures of spatial ability. The Purdue Visualization of Developments test correlates with tests of spatial orientation and require analytical processing, while the Vandenberg and Kuse Mental Rotation Test is …
Mobile Business As Strategic Tools In The Us Airline Industry, Marzel Stratmann
Mobile Business As Strategic Tools In The Us Airline Industry, Marzel Stratmann
Master's Theses - Daytona Beach
This thesis analyzes opportunities and threats of mobile business in the context of the US airline industry as a strategic tool to create a sustainable competitive advantage through the implementation of an effective mobile business model. The analysis is based on the assumption that mobile airline strategies have to create a strategic fit with the business environment seen from an airline perspective. Forces inherent in the global environment as well as in the micro-environment are analyzed using environmental scanning as systematic technique. Exploratory data obtained from a focus group interview is added to the analysis in order to assess opportunities …
Perception Of Competence In Male And Female Pilots: Between Group Differences, Marianne Paulsen
Perception Of Competence In Male And Female Pilots: Between Group Differences, Marianne Paulsen
Master's Theses - Daytona Beach
This study investigated the relationship between gender and competence as perceived by pilots. Scenarios were utilized that depicted an airline captain successfully landing an airplane amidst adverse conditions. Scenarios varied only by the gender of the Captain: male, female, or unspecified by variance of pilot name. Perceived effectiveness, competence, avoidance, blame, and attribution as depicted by the Captain's performance in the scenario were assessed by 30 male and 30 female certified flight instructors. Results showed that female flight instructors' ratings of avoidance ability and attribution for success differed from male flight instructors. Attribution for blame differences between scenario conditions was …