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Relevant bibliographies by topics / Commercial aeronautics

Academic literature on the topic 'Commercial aeronautics'

Author: Grafiati

Published: 4 June 2021

Last updated: 3 March 2023

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Dissertations / Theses
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Journal articles on the topic "Commercial aeronautics"

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Charles, Se´bastien, Benoı^t Eynard, Peter Bartholomew, and Christian Paleczny. "Standardization of the Finite Element Analysis Data-Exchange in Aeronautics Concurrent Engineering." Journal of Computing and Information Science in Engineering 5, no. 1 (March 1, 2005): 63–66. http://dx.doi.org/10.1115/1.1861474.

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The paper presents some research and a business case study carried out in a European project focused on Concurrent Engineering and the implementation of data exchange standards in the aeronautics industry. It deals with the use of the STEP AP209 standard dedicated to the exchange of finite element analysis data. Applied in the context of Concurrent Engineering within the extended enterprise, the STEP AP209 standard should enhance the communication, exchange, and sharing of product data between mechanical engineering and analysis experts across distributed sites. The development of a translator from STEP AP209 to SAMCEF (commercial FE solver) has been carried out and evaluated on an aircraft engine component.

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Jansen, Ralph H., Cheryl L. Bowman, Sean Clarke, David Avanesian, Paula J. Dempsey, and Rodger W. Dyson. "NASA electrified aircraft propulsion efforts." Aircraft Engineering and Aerospace Technology 92, no. 5 (December 6, 2019): 667–73. http://dx.doi.org/10.1108/aeat-05-2019-0098.

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Purpose This paper aims to review national aeronautics and space administration (NASA’s) broad investments in electrified aircraft propulsion (EAP). NASA investments are guided by an assessment of potential market impacts, technical key performance parameters, and technology readiness attained through a combination of studies, enabling fundamental research and flight research. Design/methodology/approach The impact of EAP varies by market and NASA is considering three markets as follows: national/international, on-demand mobility and short-haul regional air transport. Technical advances in key areas have been made that indicate EAP is a viable technology. Flight research is underway to demonstrate integrated solutions and inform standards and certification processes. Findings A key finding is that sufficient technical advances in key areas have been made, which indicate EAP is a viable technology for aircraft. Significant progress has been made to reduce EAP adoption barriers and further work is needed to transition the technology to a commercial product and improve the technology, so it is applicable to large transonic aircraft. Practical implications Significant progress has been made to reduce EAP adoption barriers and further work is needed to transition the technology to a commercial product and improve the technology, so it is applicable to large transonic aircraft. Originality/value This paper will review the activities of the hybrid gas-electric subproject of the Advanced Air Transport Technology Project, the Revolutionary Vertical Lift Technology Project and the X-57 Flight Demonstration Project, and discuss the potential EAP benefits for commercial and military applications. This paper focuses on the vehicle-related activities, however, there are related NASA activities in air space management and vehicle autonomy activities, as well as a breakthrough technology project called the Convergent Aeronautics Solutions Project. The target audience is people interested in EAP.

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Di Lorenzo, Giuseppe, Emma Frosina, Luigi De Petrillo, Davide Lauria, Adolfo Senatore, Francesco Curreri, Guido Saccone, Marcello Kivel Mazuy, and Ciro Pascarella. "Design and Development of Hybrid-Electric Propulsion Model for Aeronautics." MATEC Web of Conferences 304 (2019): 03012. http://dx.doi.org/10.1051/matecconf/201930403012.

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Nowadays, worldwide environmental issue, associated to reduction of pollutant and greenhouse emissions are gaining considerable attention. Aviation sector contribution to the whole CO2 released accounts to around 2%, but it is expected to grow in the next future due to increase of demand. Probably, combustion engine design and fuel efficiency have already reached their optimum technology level and only a breakthrough as hybrid-electric propulsion could be able to satisfy the new international more demanding requirements. However, an improvement of the technology readiness level of hybrid-electric propulsion is strongly necessary and many operational and safety challenges should be addressed. In the work here reported, a hybrid-electric model was designed and developed for general aviation aircrafts, by means of the Mathworks® Matlab – Simulink 1D/0D simulation environment. Both thermal and electric energy storage units, transmission systems and power management devices were considered and the overall performances were evaluated during cruise phase and a conventional training mission, characterized by several run(lap) “touch-and-go”. Furthermore, an innovative mathematical methodology was implemented for battery pack discharge profile interpolation. Finally, reliability and accuracy of the new proposed model were evaluated through comparison with the commercial code Simcenter AMESim® software and an average bias only equal to 5% was achieved.

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Stutte, Gary W. "Commercial Transition to LEDs: A Pathway to High-value Products." HortScience 50, no. 9 (September 2015): 1297–300. http://dx.doi.org/10.21273/hortsci.50.9.1297.

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The use of light-emitting diodes (LEDs) to support plant growth is a radical departure from use of gas-discharge lamps, which were developed in mid-19th and widely adopted by the industry during the 20th century. Initial investigation by the National Aeronautics and Space Administration (NASA) in the late 1980s on the use of LEDs to grow plant in space is resulting in an industry-wide transition from gas discharge to solid-state lighting systems. This global transformation is given urgency by national policies to reduce energy consumption and being facilitated by ready access to information on LEDs. The combination of research, government policy, and information technology has resulted in an exponential increase in research into the use and application of LED technology in horticulture. Commercial horticulture has identified the opportunities provided by LEDs to optimize light spectra to promote growth, regulate morphology, increase nutrient content, and reduce operating costs. LED-light technology is enabling the development of innovative lighting systems, and is being incorporated into large-scale plant factories for the production of edible, ornamental, and medicinal plants. An overview of prevalence of readily accessible information on LEDs and implications for future adoption in horticulture is discussed.

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Giublin, B., J. A. Vieira, T. G. Vieira, L. G. Trabasso, and C. A. Martins. "Experimental analysis of the automated process of sanding aircraft surfaces." Aeronautical Journal 118, no. 1199 (January 2014): 53–64. http://dx.doi.org/10.1017/s0001924000008927.

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Abstract ITA and EMBRAER are currently executing the research project Automation of Aircraft Structural Assembly (AASA) whose goal is to implement a robotic cell for automating the riveting process of aeronautical structures. The proposal described herein complements the AASA project, adds other manufacturing processes, namely sanding and polishing of aircraft surfaces. To implement the additional processes AASA project resources and facilities were used (robots and metrology systems) and devices designed and /or acquired to allow sharing of these resources. Among these, an Automatic Tooling Support for AERonautics structures (ATS_AER) was designed and built; also, a robot tool changer with high load capacity was acquired. The outcome of this research project is the evaluation of the feasibility of automating the processes of sanding and polishing metal surfaces in the aircraft manufacture using robots. The operating method adopted for surface treatment employed the ‘U’ type trajectory optimised to be run by a KUKA robot KR 500. The sanding process has been applied to aluminum metal sheet specimen sized 2•18ft2 (0•20m2) and used commercial 600 and 800 sandpaper. The automated sanding process yielded an average value of RA 0•48 ± 0•08 which is 25% more efficient when compared to the traditional, manual process whose average value of RA is 0•75 ± 0•51.

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Crawford, Hannah. "NASA’s Time to Shine: Approaching Procurement in the ‘New Space Age’." Air and Space Law 46, Issue 6 (November 1, 2021): 649–64. http://dx.doi.org/10.54648/aila2021043.

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With the increasing presence of commercial activity in outer space, the dynamics between public and private entities are shifting. Within these changing dynamics, the role of private actors pose novel opportunities and unprecedented challenges to space agencies. This article considers the role National Aeronautics and Space Administration (NASA) has undertaken in seeking to redefine and maximize the potential these new relationships. Paying attention to how these innovative mechanisms have enabled NASA to rediscover its direction and regenerate its mission; catapulting itself to the forefront of the New Space Age, the paper analyses whether NASA truly sets a precedent for other nations and agencies to follow-suit. NASA, ESA, JAXA, Procurement, Contracts

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Vrancken, Patrick, and Jonas Herbst. "Development and Test of a Fringe-Imaging Direct-Detection Doppler Wind Lidar for Aeronautics." EPJ Web of Conferences 237 (2020): 07008. http://dx.doi.org/10.1051/epjconf/202023707008.

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DLR currently investigates the use of Doppler wind lidar as sensor within feedforward gust alleviation control loops on fast-flying fixed-wing aircraft. Such a scheme imposes strong requirements on the lidar system such as sub-m/s precision, high rate, high spatial resolution, close measurement ranges and sensitivity to mixed and pure molecular backscatter. We report on the development of a novel direct-detection Doppler wind lidar (DD-DWL) within these requirements. This DD-DWL is based on fringe-imaging of the Doppler-shifted backscatter of UV laser pulses in a field-widened Michelson interferometer using a fast linear photodetector. A prototype for airborne operation has been ground-tested in early 2018 against a commercial coherent DWL, demonstrating its ability of measuring close-range wind speeds with a precision of 0.5 m/s, independent of the actual wind speed.

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STEFAN, Adriana, George PELIN, Cristina-Elisabeta PELIN, Alexandra-Raluca PETRE, and Monica MARIN. "Manufacturing process, mechanical behavior and modeling of composites structures sandwich panel." INCAS BULLETIN 13, no. 1 (March 5, 2021): 183–91. http://dx.doi.org/10.13111/2066-8201.2021.13.1.19.

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The complexity of sandwich structures is a challenge for aeronautics designers. Sandwich construction is widely used in both the aerospace and commercial industries because it is an extremely lightweight structural approach with high rigidity and strength/weight ratios. Although today's technology offers the possibility to combine a variety of materials for these structure solutions, in aviation only a few materials are accepted. This paper presents the technological process of making these sandwich structures, as well as a study of the characterization and testing of a sandwich structure to analyze the behavior from a mechanical point of view. The conclusions of the paper represent an experimental basis on which further research will be built.

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Menale, Carla, Stefano Constà, Vincenzo Sglavo, Livia Della Seta, and Roberto Bubbico. "Experimental Investigation of Overdischarge Effects on Commercial Li-Ion Cells." Energies 15, no. 22 (November 11, 2022): 8440. http://dx.doi.org/10.3390/en15228440.

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Due to their attractive properties, such as high energy and power density, Lithium-ion batteries are currently the most suitable energy storage system for powering portable electronic equipment, electric vehicles, etc. However, they are still affected by safety and stability problems that need to be solved to allow a wider range of applications, especially for critical areas such as power networks and aeronautics. In this paper, the issue of overdischarge abuse has been addressed on Lithium-ion cells with different anode materials: a graphite-based anode and a Lithium Titanate Oxide (LTO)-based anode model. Tests were carried out at different depths of discharge (DOD%) in order to determine the effect of DOD% on cell performance and the critical conditions that often make the cell fail irreversibly. Tests on graphite anode cells have shown that at DOD% higher than 110% the cell is damaged irreversibly; while at DOD% lower than 110% electrolyte deposits form on the anodic surface and structural damage affects the cathode during cycling after the overdischarge. Furthermore, at any DOD%, copper deposits are found on the anode. In contrast with the graphite anode, it was always possible to recharge the LTO-based anode cells and restore their operation, though in the case of DOD% of 140% a drastic reduction in the recovered capacity was observed. In no case was there any venting of the cell, or any explosive event.

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A. Melograna, Catrina. "Space for Challenges: NASA’s Protest Process Makes Procurement Fairer and More Transparent." Air and Space Law 47, Issue 3 (July 1, 2022): 331–46. http://dx.doi.org/10.54648/aila2022018.

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This article examines the National Aeronautics and Space Administration (NASA) procurement system broadly, starting from the top down with further examination of the protest process. It asks whether the protest process ensures fairness and transparency in the competition between commercial companies to win the contracts solicited by NASA. As a case study on the protest process, and to help answer the question, the article examines the recent Blue Origin protest regarding the Human Landing System and the SpaceX lunar lander contract award. Finally, the article concludes that the protest procedure is vital in ensuring the procurement process is fair and that NASA is held accountable for its decisions when it comes to spending public funds. NASA Procurement System, NASA, SpaceX, Blue Origin, Protest Process

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Dissertations / Theses on the topic "Commercial aeronautics"

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Ide, Yoshinori. "Liberalization of international air transport in the Japan-US market." Thesis, McGill University, 1998. http://catalog.hathitrust.org/api/volumes/oclc/47189948.html.

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Baldock, Geoffrey Clive. "Some legal aspects of an." University of Western Australia. Law School, 2003. http://theses.library.uwa.edu.au/adt-WU2005.0119.

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[Truncated abstract] “Open Skies” is the term given to a relatively recent (1992) policy initiative of the United States in its pursuit of the deregulation of international air transportation. It represents the latest in a long line of similar initiatives which the U.S. has been pursuing almost since the inception of the aviation industry. Essentially “Open Skies” is little more than a specific type of bilateral aviation agreement between two nations (and often between more than two nations) which typically provides for open entry on routes, unrestricted capacity and frequency on routes, and unrestricted air traffic rights. The significance of Open Skies agreements is that they appear to encapsulate general world-wide trends towards open economies characterised by a minimum of government interference and a maximum reliance on market forces to allocate scarce resources ... Australia however is not one of the nations seeking to become a party to such an agreement with the U.S. despite attempts by that nation to persuade Australia to do so and the question is: Can or should Australia resist attempts by the United States to bring it within the expanding umbrella of Open Skies, or are there other practical alternatives open to Australia? After examining the history of the development of Open Skies agreements and their international legal foundation, this thesis argues that there are strong considerations of policy and economics why Australia should embrace Open Skies initially at least on a regional basis centred in the Asia Pacific region, rather than with the United States. Implicit in that proposal is the fact that in terms of its constitutional and legal system, Australia has the legal capacity to enter into Open Skies agreements. The parties to such a regional Open Skies agreement might at a later date choose to enter into a multilateral Open Skies agreement with the United States, if economic and political conditions are suitable for them to do so. On the assumption that a form of Open Skies policy will eventually be adopted by Australia this thesis examines the constitutional and domestic legal regulatory framework for aviation within Australia, and the changes if any which would be required to it, if Australia was to embrace such a policy.

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Chau, Hoi-yan. "Hong Kong Chek Lap Kok International Airport versus Guangzhou New Baiyun Airport : an implication for closer coordination in air freight industry for the Pearl River Delta region /." View the Table of Contents & Abstract, 2005. http://sunzi.lib.hku.hk/hkuto/record/B35085174.

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Li, Tak-munn Fiona. "Hong Kong : the air transport hub of Asia beyond 1997 /." Hong Kong : University of Hong Kong, 1997. http://sunzi.lib.hku.hk/hkuto/record.jsp?B18831102.

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May, Murray. "Unpacking aviation futures : an ecological perspective on consumption, sustainability and air transport /." View thesis, 2004. http://library.uws.edu.au/adt-NUWS/public/adt-NUWS20050218.120843/index.html.

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Richards, John E. "The domestic politics of international regulatory policy : the regulatory institutions for trade in aviation services /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC IP addresses, 1997. http://wwwlib.umi.com/cr/ucsd/fullcit?p9811798.

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May, Murray. "Unpacking aviation futures : an ecological perspective on consumption, sustainability and air transport." Thesis, View thesis, 2004. http://handle.uws.edu.au:8081/1959.7/645.

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This inquiry examines aviation futures, within the broad context of sustainable consumption and ecological sustainability. Increasing mobility and rapid growth of road and air transport have been identified as key consumption issues, especially in relation to calls for deep cuts in greenhouse gas emissions. Economics and globalisation concerns have dominated recent academic studies of air transport. There is a growing critique, however, of growth-based aviation futures on a range of ecological, resource, security and health grounds. This inquiry adds to that critique. Its primary research aim is to identify and articulate visions and policies for aviation futures within an ecological framework. Analysis of relevant literatures, including those on sustainable consumption, transport and tourism, is complemented by an analysis of aviation and tourism growth trends worldwide, with specific reference to Asia-Pacific and Australian data. A case study of the privatisation and expansion of Canberra International Airport in the Australian Capital Territory is used to provide a global-local link and to address the airport aspects of aviation. The range of visions and policy measures are finally considered within broad consciousness and frameworks strategies for the transition to sustainability. An important conclusion is the strong need for independent institutions such as policy bodies and think tanks - working in conjunction with community groups- to develop and promote policy discourses and futures visions that challenge the prevailing hegemony of the business-political nexus.

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Popescu, Andreea. "Air cargo revenue and capacity management." Diss., Available online, Georgia Institute of Technology, 2006, 2006. http://etd.gatech.edu/theses/available/etd-11202006-095545/.

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Thesis (Ph. D.)--Industrial & Systems Engineering, Georgia Institute of Technology, 2007.
Dr. Dirk Gunther, Committee Member ; Dr. Hayriye Ayhan, Committee Member ; Dr. Ellis L. Johnson, Committee Chair ; Dr. Pinar Keskinocak, Committee Co-Chair ; Dr. Julie Swann, Committee Member

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Lagiewski, Richard M. "Factors contributing to airline insolvency /." Online version of thesis, 1993. http://hdl.handle.net/1850/11449.

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Leloudas, Georgios. "Legal aspects of aviation risk management." Thesis, McGill University, 2003. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=80937.

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The thesis in the first part examines the notion of risk and describes the process of risk management with emphasis on the identification of emerging threats to civil aviation and on the adoption of new risk handling techniques.
In the second part, the role of law into the airlines' management regime is examined especially in the light of two prima facie conflicting trends: liberalization of market access and increased State involvement in war risk, safety and security issues. Furthermore, the contractual and tortious/delictual exposures of airlines are being scrutinized and the ways to handle them are being analyzed.
The main objectives are (i) to demonstrate that risk management is not restricted to insurance, but involves a number of techniques and procedures that have the potential not only to minimize risk but also to turn risk into opportunity and value and (ii) to identify the role of law as a management tool in the oncoming liberalized aviation environment.

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Books on the topic "Commercial aeronautics"

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Stephen, Bloor, Henson John, School Curriculum Development Committee (Great Britain)., and Trent International Centre for School Technology., eds. Aeronautics. Edinburgh, Scotland: Oliver & Boyd in association with Trent International Centre for School Technology, 1988.

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Commercial aviation safety. 3rd ed. New York: McGraw-Hill, 2001.

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C, Rodrigues Clarence, ed. Commercial aviation safety. 4th ed. New York: McGraw-Hill, 2003.

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Faust, Daniel R. Commercial drones. New York: PowerKids Press, 2016.

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Commercial aviation safety. Blue Ridge Summit, PA: Tab Books, 1991.

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Wells, Alexander T. Commercial aviation safety. 2nd ed. New York: McGraw-Hill, 1997.

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K, Cusick Stephen, and Wells Alexander T, eds. Commercial aviation safety. 5th ed. New York, NY: McGraw-Hill Professional, 2011.

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Reiss, Bob. Frequent flier: One plane, one passenger, and the spectacular feat of commercial flight. New York: Simon and Schuster, 1994.

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E, Haynes Kingsley, and Stough Roger, eds. Flying into the future: Air transport policy in the European Union. Cheltenham, UK: Edward Elgar Pub., 1998.

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HEPPENHEIMER, T. A. Turbulent skies: The history of commercial aviation. New York: J. Wiley & Sons, 1995.

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Book chapters on the topic "Commercial aeronautics"

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Nixon, John. "Commercial Space Flight." In Modern English for Aeronautics and Space Technology, 124–31. München: Carl Hanser Verlag GmbH & Co. KG, 2011. http://dx.doi.org/10.3139/9783446428348.011.

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Nixon, M. A., and Joseph Michaels. "Commercial Opportunities in Satellite Technology." In Modern English for Aeronautics and Space Technology, 137–48. 2nd ed. München: Carl Hanser Verlag GmbH & Co. KG, 2021. http://dx.doi.org/10.3139/9783446470118.010.

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ČOP, RUDI, and DUŠAN FEFER. "NATURE OF EARTH’S MAGNETIC FIELD AND ITS APPLICATION FOR COMMERCIAL FLIGHT NAVIGATION." In Geomagnetics for Aeronautical Safety, 115–26. Dordrecht: Springer Netherlands, 2006. http://dx.doi.org/10.1007/978-1-4020-5025-1_8.

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Emmanuel, Uche. "Review of Agricultural Unmanned Aerial Vehicles (UAV) Obstacle Avoidance System." In Aeronautics - New Advances. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.103037.

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Unmanned aerial vehicles (UAVs) are being used for commercial, scientific, agricultural and infrastructural enhancement to alleviate maladies. The objective of this chapter is to review existing capabilities and ongoing studies to overcome difficulties associated with the deployment of the agricultural unmanned aerial vehicle in obstacle-rich farms for pesticides and fertilizer application. By review of various literature, it is apparent that the potential for real-time and near real-time exists but the development of technology for quality imagery and rapid processing leading to real-time response is needed. The Infrared, time of flight and millimeter wavelength radar sensors for detecting farm and flight environment obstacles appear promising. The autonomous mental development algorithm, and the simultaneous localization and mapping technology are, however, ahead of others in achieving autonomous identification of obstacles and real-time obstacle avoidance. They are, therefore, found fit for further studies and development for deployment on agricultural unmanned aerial vehicles for obstacle-rich farms.

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Jeevan Danaraj, Edgar. "Electrification for Aero-Engines: A Case Study of Modularization in New Product Development." In Advances in Turbomachinery [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.109006.

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Modularization of hybrid-electric propulsion for commercial aircraft is becoming a reality in air transportation. The main intent of an electric architecture is to produce less carbon emissions and advance towards sustainability in the aeronautics industry. Due to regulatory and customer requirements for new technologies aimed at climate change and pollution, the integration of hybrid electric engine design become more challenging. Conceptual modular and integral product architectures are being compared with conventional and new constructions. A Design Structure Matrix (DSM) model is developed to analyze configuration of sub-component and their relationships through interaction between system elements. The DSM model includes product decomposition and cyclic task interdependencies to understand the extent of modularity in the product life cycle. The traditional turbofan engine architecture will be compared with hybrid electric propulsion engine architecture. The analysis indicates that the electric engine configuration constitutes a shift to a more distributed and less modular architecture. The DSM model reported a 19% increase in density of connectivity between components and 58% decrease in terms of structural complexity. The significance of these changes demonstrates that the more distributed architecture of the fully electric engine architecture requires less effort in system integration than the geared traditional turbofan architecture.

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Haque, Jamal, M. Erturk, Huseyin Arslan, and Wilfrido Moreno. "Cognitive Aeronautical Communication System." In Advancements and Innovations in Wireless Communications and Network Technologies, 20–35. IGI Global, 2013. http://dx.doi.org/10.4018/978-1-4666-2154-1.ch002.

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The paper explores the system and architecture requirements for cognitive driven reconfigurable hardware for an aeronautical platform, such as commercial aircraft or high altitude platforms. With advances in components and processing hardware, mobile platforms are ideal candidates to have configurable hardware that can morph itself, given the location and available wireless service. This paper proposes a system for an intelligent self-configurable software and hardware solution for an aeronautical system.

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Reynoso, Ramón Navarrete, Cecilia Ramos-Estrada, and Omar J. Purata. "Intentional Food Contamination in the Food Supply Chain." In Handbook of Research on Military, Aeronautical, and Maritime Logistics and Operations, 56–78. IGI Global, 2016. http://dx.doi.org/10.4018/978-1-4666-9779-9.ch004.

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As globalization increases, supply chains are becoming increasingly complex and vulnerable, making the management of their security an important part of corporate management. The need to adopt control and prevention measures that allow for guaranteeing security in international commercial operations is essential to prevent becoming a target of these threats. Some of these threats are terrorism, piracy and theft. Within the food industry, food terrorism has gained relevance due to the extreme consequences it may have on both public health and the market. Food terrorism refers to the intentional contamination of food in any link of the supply chain, which covers everything from production to consumption. This chapter deals with the problems of food terrorism and makes a proposal that allows to establish a management system to prevent intentional food contamination in the supply chain through managing risks and improving security in the supply chain on this aspect.

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Conference papers on the topic "Commercial aeronautics"

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Heersema, Nicole, Thomas Hertz, Thomas Kasmer, Maria Rye, Matthew Smith, Matthew Shepard, Brian Undercoffer, and Greg Wheeler. "American Institute of Aeronautics and Astronautics Commercial Earth-to-Orbit (ETO) Passenger Vehicle." In AIAA SPACE 2012 Conference & Exposition. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2012. http://dx.doi.org/10.2514/6.2012-5170.

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Beresnev, Pavel, Dmitry Zarubin, Dmitry Tyugin, and Alexey Pinchin. "The development of a blind spot monitoring system for commercial vehicles." In 13TH INTERNATIONAL SCIENTIFIC CONFERENCE ON AERONAUTICS, AUTOMOTIVE AND RAILWAY ENGINEERING AND TECHNOLOGIES (BulTrans-2021). AIP Publishing, 2022. http://dx.doi.org/10.1063/5.0100045.

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Vashurin, Andrey, Yuri Trusov, Evgeni Toropov, and Pavel Moshkov. "Development of experimental fuel economy evaluation methodology for light commercial vehicle." In 13TH INTERNATIONAL SCIENTIFIC CONFERENCE ON AERONAUTICS, AUTOMOTIVE AND RAILWAY ENGINEERING AND TECHNOLOGIES (BulTrans-2021). AIP Publishing, 2022. http://dx.doi.org/10.1063/5.0099382.

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Tomita, Jesuino Takachi, João Roberto Barbosa, and Cleverson Bringhenti. "The Flow Machines Course at the Technological Institute of Aeronautics for Mechanical-Aeronautical Engineering Undergraduate Course." In ASME Turbo Expo 2013: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/gt2013-95228.

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Undergraduate courses at Technological Institute of Aeronautics (ITA) are 5-years course, divided into Fundamental (2 years) and Professional (3 years). The Flow Machines, in the Mechanical-Aeronautical Engineering Course, is offered by the Turbomachines Department and is taught in the first semester of the fourth year (2nd professional year). In the course, the basic theory, unified for all machines, is presented in details for the students, emphasizing the physics of all processes involved in the fluid-machine energy transfer. Incompressible and compressible fluids are treated accordingly. The flow machines types are individually studied, focusing attention to their performance characteristics and range of applications. The preliminary design and off-design operation issues are discussed in details with the students, with emphasis on relevant aspects of each machine, like cavitation, stall and surge. The students are taught on how to choose the flow properties at the blade edges for the sake of preliminary design and off-design performance estimations. Loss models are introduced during the theory classes and popular models are presented. At this point, in-house computer codes and commercial software are presented to the students, who are asked to solve simple problems. The installation, operation and basic performance calculations are also presented for the students during the lab classes for several hydraulic machines installed at ITA laboratories. All course material is transferred for the students in pdf format before classes. In this work, the experience with the teaching process in flow machines at ITA, theory and laboratory, is described.

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Quadrini, Fabrizio, Denise Bellisario, Leandro Iorio, Alice Proietti, Nicola Gallo, and Loredana Santo. "Autoclave Molding of Carbon Fiber Laminates With Interlaminar Carbon Nanotubes." In ASME 2022 17th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/msec2022-85480.

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Abstract Carbon nanotubes (CNTs) are deposited between prepreg plies of a carbon fiber reinforced (CFR) laminate during lamination to improve laminate strength. An easy manufacturing procedure has been implemented for this aim in laboratory. CNTs are diluted in a solvent, and subsequently sprayed on commercial woven fabric prepregs for aeronautics. Solvent evacuation is carried out at room temperature. Final composite laminates are produced by vacuum bagging and autoclave molding of coated prepreg plies, by following the typical industrial procedure of aeronautic parts. Quasi-isotropic square laminates with 10 plies have been manufactured by using a unidirectional (UD) CFR prepreg tape with 0/90 stacking sequence. After molding, the square laminates (150 × 150 mm2) were cut to extract rectangular specimens. Mechanical tests were made by bending up to break. Results confirm the positive role of the interlaminar CNTs if they are correctly integrated into the final composite structure.

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Klettlinger, Jennifer Lindsey Suder. "Effect of Aromatic Concentration of a Fischer-Tropsch Fuel on Thermal Stability." In ASME Turbo Expo 2012: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/gt2012-68626.

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Fischer-Tropsch (F-T) jet fuel composition differs from petroleum-based, conventional commercial jet fuel because of differences in feedstock and production methodology. Fischer-Tropsch fuel typically has a lower aromatic and sulfur content and consists primarily of iso and normal parafins. The ASTM D3241 specification for Jet Fuel Thermal Oxidation Test (JFTOT) break point testing method was used to test the breakpoint of a baseline commercial grade F-T jet fuel, and various blends of this F-T fuel with an aromatic solution. The goal of this research is to determine the effect of aromatic content on the thermal stability of Fischer-Tropsch fuel. The testing completed in this report was supported by the NASA Fundamental Aeronautics Subsonics Fixed Wing Project.

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Gu, Weiqun, Rukshan Navaratne, Daniele Quaglia, Yang Yu, Irfan Madani, Vishal Sethi, Huamin Jia, Kenneth Chircop, Roberto Sabatini, and David Zammit-Mangion. "Towards the Development of a Multi-Disciplinary Flight Trajectory Optimization Tool: GATAC." In ASME Turbo Expo 2012: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/gt2012-69862.

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Reducing the impact on the environment and the associated commercial implications are two major challenges that the global commercial aviation industry is addressing with significant commitment today. In this respect, Clean Sky, which is a €1.6 billion Joint Technology Initiative part funded by the European Commission is the largest ever programme addressing the greening of air transportation in response to the Advisory Council for Aeronautics Research in Europe (ACARE) goals of reducing CO2 and perceived noise emissions by 50% and NOx by 80% by 2020 compared to 2000 condition. This paper presents research work carried out within the Systems for Green Operations Integrated Technology Demonstrator (ITD) of Clean Sky that is associated with GATAC, a trajectory and route planning tool to enable the multi-objective optimization of flight trajectories and missions. The design and operational methodology of the tool, the optimization algorithms and models are discussed and the results of a preliminary application for a long-range commercial flight are presented.

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Shin, Jaiwon. "The NASA Aviation Safety Program: Overview." In ASME Turbo Expo 2000: Power for Land, Sea, and Air. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/2000-gt-0660.

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In 1997, the United States set a national goal to reduce the fatal accident rate for aviation by 80% within ten years based on the recommendations by the Presidential Commission on Aviation Safety and Security. Achieving this goal will require the combined efforts of government, industry, and academia in the areas of technology research and development, implementation, and operations. To respond to the national goal, the National Aeronautics and Space Administration (NASA) has developed a program that will focus resources over a five year period on performing research and developing technologies that will enable improvements in many areas of aviation safety. The NASA Aviation Safety Program (AvSP) is organized into six research areas: Aviation System Modeling and Monitoring, System Wide Accident Prevention, Single Aircraft Accident Prevention, Weather Accident Prevention, Accident Mitigation, and Synthetic Vision. Specific project areas include Turbulence Detection and Mitigation, Aviation Weather Information, Weather Information Communications, Propulsion Systems Health Management, Control Upset Management, Human Error Modeling, Maintenance Human Factors, Fire Prevention, and Synthetic Vision Systems for Commercial, Business, and General Aviation aircraft. Research will be performed at all four NASA aeronautics centers and will be closely coordinated with Federal Aviation Administration (FAA) and other government agencies, industry, academia, as well as the aviation user community. This paper provides an overview of the NASA Aviation Safety Program goals, structure, and integration with the rest of the aviation community.

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Roe, Fred D. "The Successful Development of an Automated Rendezvous and Capture (AR&C) System for the National Aeronautics and Space Administration." In SPACE TECHNOLOGY AND APPLICATIONS INT.FORUM-STAIF 2003: Conf.on Thermophysics in Microgravity; Commercial/Civil Next Generation Space Transportation; Human Space Exploration; Symps.on Space Nuclear Power and Propulsion (20th); Space Colonization (1st). AIP, 2003. http://dx.doi.org/10.1063/1.1541308.

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Kopasakis, George, Joseph W. Connolly, Daniel E. Paxson, and Peter Ma. "Volume Dynamics Propulsion System Modeling for Supersonics Vehicle Research." In ASME Turbo Expo 2008: Power for Land, Sea, and Air. ASMEDC, 2008. http://dx.doi.org/10.1115/gt2008-50524.

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Under the NASA Fundamental Aeronautics Program the Supersonics Project is working to overcome the obstacles to supersonic commercial flight. The proposed vehicles are long slim body aircraft with pronounced aero-servo-elastic modes. These modes can potentially couple with propulsion system dynamics; leading to performance challenges such as aircraft ride quality and stability. Other disturbances upstream of the engine generated from atmospheric wind gusts, angle of attack, and yaw can have similar effects. In addition, for optimal propulsion system performance, normal inlet-engine operations are required to be closer to compressor stall and inlet unstart. To study these phenomena an integrated model is needed that includes both airframe structural dynamics as well as the propulsion system dynamics. This paper covers the propulsion system component volume dynamics modeling of a turbojet engine that will be used for an integrated vehicle Aero-Propulso-Servo-Elastic model and for propulsion efficiency studies.

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