Beyond AIRSpeed: How Organizational Modeling and Simulation Further Reduced Engine Maintenance Time PDF Download
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 26
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Book Description
The Aircraft Intermediate Maintenance Division (AIMD) at Naval Air Station (NAS) Lemoore, CA, has worked aggressively to reduce engine maintenance time using the tools of the NAVAIR Enterprise AiRSpeed (AiRSpeed) program. AiRSpeed is a system created by the Naval Aviation Readiness Integrated Improvement Program (NAVRIIP) to enable cost-wise readiness across the naval aviation enterprise. AIMD Lemoore has achieved time and cost reductions at the maintenance activity level using AiRSpeed's prescribed tools of Theory of Constraints, Lean, and Six Sigma, but could further improvements be made by changing the organization's structure or management practices? In an effort to answer this research question, AIMD Lemoore teamed with the Naval Postgraduate School's Graduate School of Business and Public Policy to explore organizational modeling as a method for identifying potential modifications to the organization that may improve AIMD performance. Specifically, AIMD leadership focused on improving F414 aircraft engine maintenance by decreasing engine throughput duration. The objective of this effort was to provide the NAS Lemoore AIMD 400 Division with recommendations on how their organization could be restructured to decrease F414 maintenance cycle-time. To meet this objective, NPS developed an organizational model of the 400 Division that described their current F414 maintenance process. This model was then modified to characterize the impact of organizational changes on maintenance cycle-time. This paper is organized into four sections. First, a literature search provides a basis for understanding organizational modeling in general as well as techniques specific to the POWer software employed in this project. The second section discusses the study's research methodology. The third section presents the results of the modeling effort. Finally, section four presents project conclusions and recommendations for restructuring the 400 Division.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 26
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Book Description
The Aircraft Intermediate Maintenance Division (AIMD) at Naval Air Station (NAS) Lemoore, CA, has worked aggressively to reduce engine maintenance time using the tools of the NAVAIR Enterprise AiRSpeed (AiRSpeed) program. AiRSpeed is a system created by the Naval Aviation Readiness Integrated Improvement Program (NAVRIIP) to enable cost-wise readiness across the naval aviation enterprise. AIMD Lemoore has achieved time and cost reductions at the maintenance activity level using AiRSpeed's prescribed tools of Theory of Constraints, Lean, and Six Sigma, but could further improvements be made by changing the organization's structure or management practices? In an effort to answer this research question, AIMD Lemoore teamed with the Naval Postgraduate School's Graduate School of Business and Public Policy to explore organizational modeling as a method for identifying potential modifications to the organization that may improve AIMD performance. Specifically, AIMD leadership focused on improving F414 aircraft engine maintenance by decreasing engine throughput duration. The objective of this effort was to provide the NAS Lemoore AIMD 400 Division with recommendations on how their organization could be restructured to decrease F414 maintenance cycle-time. To meet this objective, NPS developed an organizational model of the 400 Division that described their current F414 maintenance process. This model was then modified to characterize the impact of organizational changes on maintenance cycle-time. This paper is organized into four sections. First, a literature search provides a basis for understanding organizational modeling in general as well as techniques specific to the POWer software employed in this project. The second section discusses the study's research methodology. The third section presents the results of the modeling effort. Finally, section four presents project conclusions and recommendations for restructuring the 400 Division.
Author: Joel J. Hagan
Publisher:
ISBN:
Category : Engineering
Languages : en
Pages : 127
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Book Description
The goal of this project was to determine how to decrease the F414 engine throughput time at the Aircraft intermediate Maintenance Division (AIMD) at Naval Air Station (NAS) Lemoore, California. To achieve this goal, organizational modeling was employed to evaluate how changes to the organizational structure of the Lemoore AIMD affected engine throughput time. Data collected to build the organizational model was acquired via interviews with AIMD personnel. A baseline model of the AIMD organization was developed for the purpose of modeling the organization[alpha]s current structure and performance. The actual, real-world, duration required to conduct F414 maintenance was compared to the duration predicted by the model and determined to be within 3%. Once confidence was gained that the baseline model accurately depicted the organization[alpha]s actual F414 maintenance performance, modifications or interventions to the model were made to evaluate how organizational changes would affect F414 maintenance duration. Interventions included paralleling the tasks associated with accomplishing administrative paperwork when initially receiving the F414 engine, and tasks associated with on-engine maintenance, combining personnel positions, adding personnel, and modifying the duration and frequency of meetings. The modeled results of these modifications indicated that the paralleling effort significantly decreased the F414 maintenance duration; likewise, decreasing meeting frequency and slightly increasing duration also facilitated a decreased duration.
Author: National Academies of Sciences, Engineering, and Medicine
Publisher: National Academies Press
ISBN: 0309440998
Category : Technology & Engineering
Languages : en
Pages : 123
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Book Description
The primary human activities that release carbon dioxide (CO2) into the atmosphere are the combustion of fossil fuels (coal, natural gas, and oil) to generate electricity, the provision of energy for transportation, and as a consequence of some industrial processes. Although aviation CO2 emissions only make up approximately 2.0 to 2.5 percent of total global annual CO2 emissions, research to reduce CO2 emissions is urgent because (1) such reductions may be legislated even as commercial air travel grows, (2) because it takes new technology a long time to propagate into and through the aviation fleet, and (3) because of the ongoing impact of global CO2 emissions. Commercial Aircraft Propulsion and Energy Systems Research develops a national research agenda for reducing CO2 emissions from commercial aviation. This report focuses on propulsion and energy technologies for reducing carbon emissions from large, commercial aircraftâ€" single-aisle and twin-aisle aircraft that carry 100 or more passengersâ€"because such aircraft account for more than 90 percent of global emissions from commercial aircraft. Moreover, while smaller aircraft also emit CO2, they make only a minor contribution to global emissions, and many technologies that reduce CO2 emissions for large aircraft also apply to smaller aircraft. As commercial aviation continues to grow in terms of revenue-passenger miles and cargo ton miles, CO2 emissions are expected to increase. To reduce the contribution of aviation to climate change, it is essential to improve the effectiveness of ongoing efforts to reduce emissions and initiate research into new approaches.
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309101581
Category : Technology & Engineering
Languages : en
Pages : 212
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Book Description
The U.S. air transportation system is very important for our economic well-being and national security. The nation is also the global leader in civil and military aeronautics, a position that needs to be maintained to help assure a strong future for the domestic and international air transportation system. Strong action is needed, however, to ensure that leadership role continues. To that end, the Congress and NASA requested the NRC to undertake a decadal survey of civil aeronautics research and technology (R&T) priorities that would help NASA fulfill its responsibility to preserve U.S. leadership in aeronautics technology. This report presents a set of strategic objectives for the next decade of R&T. It provides a set of high-priority R&T challengesâ€"-characterized by five common themesâ€"-for both NASA and non-NASA researchers, and an analysis of key barriers that must be overcome to reach the strategic objectives. The report also notes the importance of synergies between civil aeronautics R&T objectives and those of national security.
Author: Douglas A. Joyce
Publisher:
ISBN: 9781626830196
Category : Research aircraft
Languages : en
Pages : 409
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Book Description
The X-31 Enhanced Fighter Maneuverability Demonstrator was unique among experimental aircraft. A joint effort of the United States and Germany, the X-31 was the only X-plane to be designed, manufactured, and flight tested as an international collaboration. It was also the only X-plane to support two separate test programs conducted years apart, one administered largely by NASA and the other by the U.S. Navy, as well as the first X-plane ever to perform at the Paris Air Show. Flying Beyond the Stall begins by describing the government agencies and private-sector industries involved in the X-31 program, the genesis of the supermaneuverability concept and its initial design breakthroughs, design and fabrication of two test airframes, preparation for the X-31's first flight, and the first flights of Ship #1 and Ship #2. Subsequent chapters discuss envelope expansion, handling qualities (especially at high angles of attack), and flight with vectored thrust. The book then turns to the program's move to NASA's Dryden Flight Research Center and actual flight test data. Additional tasking, such as helmet-mounted display evaluations, handling quality studies, aerodynamic parameter estimation, and a "tailless" study are also discussed.The book describes how, in the aftermath of a disastrous accident with Ship #1 in 1995, Ship #2 was prepared for its outstanding participation in the Paris Air Show. The aircraft was then shipped back to Edwards AFB and put into storage until the late 1990s, when it was refurbished for participation in the U. S. Navy's VECTOR program. The book ends with a comprehensive discussion of lessons learned and includes an Appendix containing detailed information.
Author: Bruce Larrimer
Publisher:
ISBN: 9781626830592
Category :
Languages : en
Pages :
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 132
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Author: Joachim Kurzke
Publisher: Springer
ISBN: 3319759795
Category : Technology & Engineering
Languages : en
Pages : 766
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Book Description
The book is written for engineers and students who wish to address the preliminary design of gas turbine engines, as well as the associated performance calculations, in a practical manner. A basic knowledge of thermodynamics and turbomachinery is a prerequisite for understanding the concepts and ideas described. The book is also intended for teachers as a source of information for lecture materials and exercises for their students. It is extensively illustrated with examples and data from real engine cycles, all of which can be reproduced with GasTurb (TM). It discusses the practical application of thermodynamic, aerodynamic and mechanical principles. The authors describe the theoretical background of the simulation elements and the relevant correlations through which they are applied, however they refrain from detailed scientific derivations.
Author: Peter W. Merlin
Publisher: AIAA (American Institute of Aeronautics & Astronautics)
ISBN:
Category : History
Languages : en
Pages : 240
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Book Description
The Lockheed Blackbirds hold a unique place in the development of aeronautics. In their day, the A-12, YF-12, M-21, D-21, and SR-71 variants outperformed all other jet airplanes in terms of altitude and speed. Now retired, they remain the only production aircraft capable of sustained Mach 3 cruise and operational altitudes above 80,000 feet.This is the first book to address the technical aspects of these incredible aircraft. The author describes the design evolution of the Blackbird, from the Archangel to the Senior Crown (the Air Force's SR-71.) He describes in detail the construction and materials challenges faced by Lockheed, as well as the Blackbird's performance characteristics and capabilities.A NASA historian, the author describes NASA's role in using the aircraft as a flying laboratory to collect data on materials, structures, loads, heating, aerodynamics, and performance for high-speed aircraft. The reader will benefit from the technical and programmatic lessons learned.This volume was produced in cooperation with the National Aeronautics and Space Administration.
Author: United States. Department of Defense. Research and Development Board
Publisher:
ISBN:
Category :
Languages : en
Pages : 16
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Book Description
