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Effectiveness of condition-based maintenance in Army aviation /Gaguzis, Marc P. January 2009 (has links) (PDF)
Thesis (M.A. in Military Art and Science General Studies)--U.S. Army Command and General Staff Collegel, June 2009. / "June 2009." Thesis advisor: Scott Borderud. Performed by the U.S. Army Command and General Staff College, ATZL-SWD-GD, Fort Leavenworth, Kansas. "Presented to the Faculty of the U.S. Army Command and General Staff College in partial fulfillment of the requirements for the degree Master of Military Art and Science General Studies, June 2009."--P. i. Includes bibliographical references. Also available online from the Combined Arms Research Library (CARL) Web site and the DTIC Online Web site.
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Theoretical and numerical analysis of supersonic inlet starting by mass spillageNajafiyazdi, Alireza. January 2007 (has links)
Supersonic inlet starting by mass spillage is studied theoretically and numerically in the present thesis. A quasi-one-dimensional, quasi-steady theory is developed for the analysis of flow inside a perforated inlet. The theory results in closed-form relations applicable to flow starting by the mass spillage technique in supersonic and hypersonic inlets. / The theory involves three parameters to incorporate the multi-dimensional nature of mass spillage through a wall perforation. Mass spillage through an individual slot is studied to determine these parameters; analytical expressions for these parameters are derived for both subsonic and supersonic flow conditions. In the case of mass spillage from supersonic flows, the relations are exact. However, due to the complexity of flow field, the theory is an approximation for subsonic flows. Therefore, a correction factor is introduced which is determined from an empirical relation obtained from numerical simulations. / A methodology is also proposed to determine perforation size and distribution to achieve flow starting for a given inlet at a desired free-stream Mach number. The problem of shock stability inside a perforated inlet designed with the proposed method is also discussed. / The method is demonstrated for some test cases. Time-realistic CFD simulations and experimental results in the literature confirm the accuracy of the theory and the reliability of the proposed design methodology.
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A methodology for the probabalistic assessment of system effectiveness as applied to aircraft survivability and susceptibiliySoban, Danielle Suzanne 12 1900 (has links)
No description available.
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Jet noise of high aspect-ratio rectangular nozzles with application to pneumatic high-lift devicesMunro, Scott Edward 12 1900 (has links)
No description available.
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An experimental study of the separation of combustion and entropy noiseMuthukrishnan, Mangapathy 08 1900 (has links)
No description available.
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Formulation and implementation of a methodology for dynamic modeling and simulation in early aerospace designScharl, Julien 12 1900 (has links)
No description available.
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The problem of registration and nationality of aircraft of international operating agencies and the I.C.A.O. Council's resolution on the problem /Goreish, Ishaq Rasheed Sid Ahmed. January 1970 (has links)
No description available.
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Cockpit task management errors : an ASRS incident report studyMadhavan, Devadasan 01 December 1993 (has links)
The flightcrew of a modern airliner operates in a multi-tasking environment with
several tasks competing for the same attentional resources at the same time. Too many
tasks vying for the crew's attention concurrently imposes a heavy workload on the
flightcrew. This results in the satisfactory execution of some tasks at the expense of
others. Consequently, flightcrews must manage cockpit tasks a process we call Cockpit
Task Management (CTM). Funk (1991) defines cockpit task management (CTM) as the
process flightcrews use to prioritize cockpit tasks, allocate required resources, initiate
and terminate multiple concurrent tasks.
Despite improvements in aircraft reliability and advancements in aircraft cockpit
automation, "pilot error" is cited as the main reason (over 60% of all aircraft accidents)
for planes still falling out of the skies. One of the objectives of this research was to
determine the significance of CTM errors in "pilot errors". Having established its
significance, the next step was to refine the existing error taxonomy of Chou & Funk
(1991). A structured error classification methodology was also developed for classifying
CTM errors and validated using 470 Aviation safety Reporting System (ASRS) airline
incident reports.
This study identified CTM errors as a significant component of "pilot errors"
accounting for 231 of the 470 incidents analyzed (49.2%). While Task Initiation errors
accounted for the largest of the general error categories (41.5%), it was the Task
Prioritization errors (35% of general and specific error categories) that unlocked the door
that led to error committals in the other error categories. Task Prioritization errors led to
Resource allocation errors which, in turn, resulted in several kinds of errors being
committed in the other categories.
The findings had implications that were largely training-based. In particular, the
importance of pilot education which CTM provides (as opposed to crew training that
CRM provides) is emphasized. The incorporation of formal CTM concept into existing
CRM training programs was advocated. In addition, a staggered scheduling mechanism
in crew training agenda involving CTM, CRM, Line-Oriented-Flight-Training (LOFT)
and simulator sessions was suggested. A recommendation was made for a
comprehensive Cockpit Task Management System (CTMS) to be installed in the cockpit
to help crews to prioritize tasks and remind them of the need to initiate, terminate or reprioritize
tasks as necessary. The inclusion of Air Traffic Control personnel in flightcrew
training sessions was also recommended. / Graduation date: 1994
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Electromagnetic compatibility in ageing Australian Defence Force aircraft /Furnell, Tac Lloyd. Unknown Date (has links)
Thesis (MEng(TestandEvaluation))--University of South Australia, 2003.
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Flight performance testing of ethanol/100LL fuel blends during cruise flightCompton, Timothy James. Shauck, Maxwell Eustace. January 2008 (has links)
Thesis (I.M.E.S.)--Baylor University, 2008. / Includes bibliographical references (p. 71-73).
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