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Articles de revues sur le sujet « Aerospace engineers »

Auteur : Grafiati
Publié le 4 juin 2021
Mis à jour le 1 août 2024

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1

Knyazeva, M. D., et E. M. Mitrofanov. « School of aerospace engineers ». Geodesy and Cartography 955, no 1 (20 février 2020) : 59–64. http://dx.doi.org/10.22389/0016-7126-2020-955-1-59-64.

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The authors discuss the project of creating a school of aerospace engineers, as well as the need to take additional measures to expand the opportunities of space education for children. These are promotion of schoolchildren’ s career guidance in the aerospace sphere, popularization of cosmonautics and involvement of young people in engineering and space activities, as well as developing the motivation of the younger generation to choose technical professions related to Cosmonautics, space research and the use of space technologies. Space activities are necessary as a significant incentive for the developing technologies and basic science. The authors propose to promote the intellectual development of students through competitions, research, scientific and project activities. The implementation of the project is a systematic, consistent work of the project team and is to contribute to solving the problem of the students’ career guidance in aerospace education to perform the tasks. Today, the relevance of technical education is very high and there is a need to improve the level of the students’ knowledge in the field of exact Sciences, to emphasize the importance of technical education.
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Lastovenko, Daria, et Alena Aleksandrovna Muzalevskaya. « Expert assessment of the important professional competencies of aerospace engineers ». Психология и Психотехника, no 1 (janvier 2021) : 42–50. http://dx.doi.org/10.7256/2454-0722.2021.1.34924.

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This article is dedicated to examination of the important professional competencies of aerospace engineers and specificity of their professional activity. The study represents an expert assessment of the activity and important professional competencies of aerospace engineers. The research program consisted of several stages. The first stage includes the formation of the relevant expert group and assessment of the characteristics of activity and important professional competencies based on the methodology of expert assessment of I. L. Solomin. The second stage implies the expert ranking of the important psychological characteristics in the activity of aerospace, and determination of psychological factors that affect the solution of professional tasks. Based on the acquired results, the author reveals the socioeconomic, industrial-technical, and psychological characteristics of the activity of aerospace engineers. The most important professional competencies of aerospace engineers include: attention span, ability to predict, psychic stability, memory, imagination, and distress tolerance. The effective solution of professional tasks by aerospace engineers requires psychological resilience to external influences, ability to maintain attention control, etc. The acquired data can be valuable in assessment of the important professional competencies of young specialists, as well as carrying out a set of measures aimed at developing attention span, ability to predict, and psychic stability.
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Swift, Douglas Keith. « MISCONCEPTIONS CONCERNING THE VALUE OF SYSTEMS ENGINEERS ». INCOSE International Symposium 3, no 1 (juillet 1993) : 795–800. http://dx.doi.org/10.1002/j.2334-5837.1993.tb01662.x.

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AbstractIn the community of professional engineers, the Systems Engineer is often perceived as an inferior engineer. Misconceptions are especially prevalent among technical design engineers for whom up‐front Systems Engineering should be considered absolutely essential. The Systems Engineer often works in an environment where his engineering peers, and sometimes even management, considers his contribution to be subordinate, of second‐class value, and at times, a nuisance. This paper examines this critical problem from the perspective of an aerospace engineer who spent five years working as a flight controls design engineer (where Systems Engineering was treated with considerable bias), and men transferred into Systems Engineering and has since been working on the opposite side of the fence. An exploration into the causes of the phenomena is detailed in the paper, with special emphasis on the factors perpetuating these misconceptions. A set of practical recommendations (some applicable for working Systems Engineers and some applicable for Managers) is then presented for use in mitigating and eventually dissolving these non‐productive barriers.
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Haghighattalab, Sakineh, An Chen et Mohammadreza Saghamanesh. « Is Engineering Ethics Important for Aerospace Engineers ? » MATEC Web of Conferences 179 (2018) : 03009. http://dx.doi.org/10.1051/matecconf/201817903009.

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Engineering as a profession has a direct effect on society and the environment. Engineering ethics is a part of the essence of engineering. One of the important branches of engineering profession is aerospace engineering. Furthermore, aerospace industry achievements play an undeniable role in our lives. Research and development in the aerospace domain have contributed to the progress of some new technologies in the last decades. The purpose of this study is to emphasize the importance of engineering ethics as an essential part of aerospace engineering. Engineering ethics examines professional responsibilities and ethical decision making of engineers. Moreover, codes of ethics help the engineers to apply ethical principles in critical conditions. The poor ethical decision-making of engineers leads to engineering failures which jeopardized human life and the environment. This paper by examining two case studies related to the field of aerospace engineering (Challenger and Columbia disasters) describes the role of the negligence of engineering ethics on the occurrence of engineering disasters.
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English, Lyn D., Donna T. King, Peter Hudson et Les Dawes. « The Aerospace Engineering Challenge ». Teaching Children Mathematics 21, no 2 (septembre 2014) : 122–26. http://dx.doi.org/10.5951/teacchilmath.21.2.0122.

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Integrating Science, Technology, and Engineering in Mathematics authors share ideas and activities that stimulate student interest in the integrated fields of science, technology, engineering, and mathematics (STEM) in K—grade 6 classrooms. This article describes an activity that introduced fourth-grade students to the work of aerospace engineers and to the science, technology, and mathematics principles associated with flight.
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Kuznetsova, Elena, Victoria Kindinova et Oleg Krinetsky. « Numerical methods in the training of aerospace engineers ». MATEC Web of Conferences 362 (2022) : 01013. http://dx.doi.org/10.1051/matecconf/202236201013.

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The paper analyzes the experience of teaching numerical methods in the preparation of engineering students at the Moscow Aviation Institute (National Research University). The necessity of linking the numerical methods studied in the basic course with the topic of a particular specialty is substantiated. The disadvantages of using Ms Excel spreadsheets in the implementation of numerical methods are explained. The necessity of teaching software implementation of numerical methods on a computer is shown. The new American Strategic Computer Initiative is analyzed, as well as the current state of computing power in Russia. The need for the development and implementation of specialized courses in engineering areas for teaching complex methods of numerical analysis is shown. Such learning is recommended to be carried out within the framework of profile physical tasks. It is proposed to acquaint future engineers with the problem of parallelizing numerical algorithms for solving them on a superecomputer. The essence of the engineering approach to the parallelization of numerical algorithms is presented.
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van Velzen, Eric, et Alison Olechowski. « Investigation of Remote Work for Aerospace Systems Engineers ». INCOSE International Symposium 31, no 1 (juillet 2021) : 816–31. http://dx.doi.org/10.1002/j.2334-5837.2021.00872.x.

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Vroman, Gary J. « Sharpening the problem‐solving skills of aerospace engineers ». Aircraft Engineering and Aerospace Technology 71, no 3 (juin 1999) : 255–58. http://dx.doi.org/10.1108/00022669910270754.

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Campos, Luis M. B. C. « On the education of aerospace engineers in Portugal ». Air & ; Space Europe 2, no 1 (janvier 2000) : 105–8. http://dx.doi.org/10.1016/s1290-0958(00)80020-9.

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Wolcott, Barbara. « Renaissance Technologist ». Mechanical Engineering 122, no 08 (1 août 2000) : 46–50. http://dx.doi.org/10.1115/1.2000-aug-1.

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This article observes that in the present competitive world, it is important for an engineer to be adaptable, entrepreneurial, and versatile. According to a private marketing consultant in Cambria, CA, Vicki Clift, ‘Engineers must consider themselves self-employed no matter where they work, or for whom.’ Clift strongly urges engineers to develop cross-industry interests, suggesting that a space engineer can move to medical instruments. Clift recommends that people ‘cross pollinate,’ for instance, by taking ideas from the medical industry that could apply to aerospace. He suggests compiling a list of five or so people and meeting with them on a regular basis. One large contributing factor for the change in employment is the result of an even greater change in the way large contracts are bid today. The state of Oregon recognized the importance of teaming when it established a grant program called Flexible Networks to help businesses form alliances for new markets and opportunities for growth.
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Lewitowicz, Jerzy, Mirosław Kowalski et Andrzej Żyluk. « Modern Diagnostics of Aircraft Gas Turbine Engines – Some Selected Issues / Nowoczesna Diagnostyka Lotniczych Silników Turbinowych - Wybrane Zagadnienia ». Journal of KONBiN 29, no 1 (1 décembre 2014) : 33–40. http://dx.doi.org/10.2478/jok-2014-0004.

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Abstract In aeronautics, the question of maintaining the highest possible level of flight safety is the most crucial issue. This is the reason why the scientists, engineers, and aerospace/aviation engineering staff keep searching for ever newer and more reliable methods of increasing the safety level. Therefore, new methods - primarily nondestructive ones - to diagnose aircraft turbine engines are looked for. These methods are expected to prove useful for the real-time monitoring of actual health of the engine and its assemblies. The paper has been intended to outline the most recent methods of diagnosing aircraft turbine engines, including the computed tomography methods as applied to assess health/maintenance status of turbine blades, for the phase mapping of increments in the engine’s rotational speed, to diagnose health/maintenance status of the compressor’s 1st stage rotor blades in pure jets. Other methods discussed are, e.g. vibroacoustic and tribological ones
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Shafikova, Inna. « Professional precedent texts in teaching English for aerospace engineers ». SHS Web of Conferences 137 (2022) : 01022. http://dx.doi.org/10.1051/shsconf/202213701022.

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The paper discloses the importance of professional precedent texts for teaching English to future engineers and researchers at a Master’s degree program at a technical university. Three types of precedent texts found in scientific and technical articles are identified: classic precedent texts, term-type precedent texts, and professional precedent texts. It is stated that professional precedent texts have the greatest teaching potential. The most common genres of precedent texts for aerospace graduate students are review articles and original research articles in peer-reviewed journals. Criteria for the selection of professional precedent texts essential for teaching profession-oriented reading in aerospace departments of engineering universities are provided.
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Vlasova, Svetlana V. « Variability of teaching foreign language aerospace terminology to future engineers ». Perspectives of Science and Education 69, no 3 (1 juillet 2024) : 368–90. http://dx.doi.org/10.32744/pse.2024.3.22.

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Introduction. The accelerated development of knowledge-intensive industries in the aerospace industries requires an influx of highly professional engineers capable of international professional communication. However, mastering highly specialized terminology in a foreign language when teaching students at an aerospace higher education institution remains a weak link in the chain today. The purpose of the study is the scientific substantiation, development and implementation of educational and methodological material for teaching a foreign language to future aerospace engineers based on variable approaches. Materials and methods. The study involved 87 first-year students of the technical departments of the Moscow Aviation Institute (the Russian Federation). Methods of source analysis, sequential experiment, student selfassessment, repeated questioning, comparative analysis, statistical methods (Fisher criterion) were used. Results. A set of exercises has been developed and tested to enhance mastery of a foreign language engineering and environmental vocabulary of aerospace specialties. It was found that the basic request of students is to master highly specialized terminology as a tool for increasing competitiveness (92%) with recognition of the effectiveness of a variable approach to studying the vocabulary of a specialty (97%). The maximum level of assessment of the need to study highly specialized vocabulary for research work (100%) and increased interest in the study of environmental issues based on mastering foreign language terminology (92%) were identified. The highest average value was obtained in students' assessment of the importance of using authentic texts of engineering and environmental orientation (52%), as well as in the growth of interest in participating in scientific conferences on aerospace issues in a foreign language (48%). However, the level of development of listening skills in terms of understanding highly specialized terms when watching video materials remains low (46%). The problem of low motivation of students to independently study specialty materials in a foreign language also requires a solution (62%). Despite the proposed variable approaches, only 57% of respondents are ready to diversify traditional individual forms of learning by working in pairs, mini-groups, and only 64% agree to study in the form of panel discussions and business games. The results of statistical processing of the results based on the Fisher angle coefficient showed the feasibility of using a set of exercises to increase students’ involvement in studying international news (φ*emp = 5.415; p < 0.01), to motivate students to analyze foreign language materials on engineering and environmental issues in addition to basic textbook (φ*emp = 7.413; p < 0.01). Conclusion. The proposed educational and methodological materials for variable teaching of aerospace engineering and environmental vocabulary make it possible to increase the effectiveness of the formation of communication skills in professional international communication in terms of young people’s understanding of the harm from the impact of aerospace on the environment and possible ways to reduce risks.
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Simcoe, Charles R. « Titanium : A Metal for the Aerospace Age, Part II ». AM&P Technical Articles 173, no 4 (1 avril 2015) : 34–35. http://dx.doi.org/10.31399/asm.amp.2015-04.p034.

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Abstract The titanium industry was launched in the 1950s and required the efforts of numerous metallurgical engineers and research laboratories, nearly a dozen corporations, and titanium metal producers, along with hundreds of millions of dollars.
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Roper, Jack. « The Whole Picture ». Aerospace Testing International 2020, no 4 (décembre 2020) : 36–42. http://dx.doi.org/10.12968/s1478-2774(22)50266-5.

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Barclay, R. O., T. E. Pinelli et J. M. Kennedy. « Technical communication practices of Dutch and U.S. aerospace engineers and scientists : international perspectives on aerospace ». IEEE Transactions on Professional Communication 37, no 2 (juin 1994) : 97–107. http://dx.doi.org/10.1109/47.291575.

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THOMAS, JÜRGEN. « Training Engineers of Joint Programs for the European Aerospace Industry ». European Journal of Engineering Education 10, no 1 (mai 1985) : 11–16. http://dx.doi.org/10.1080/03043798508939205.

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Bauman, Norman. « Corporate Profile : Pfizer's Aerospace Engineers Fit Lasers into a Suitcase ». Laser Medicine and Surgery News and Advances 7, no 3 (juin 1989) : 24–28. http://dx.doi.org/10.1089/lms.1989.7.3.24.

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Mutanov, Galimkair, Zhanar Omirbekova, Aijaz A. Shaikh et Zhansaya Issayeva. « Sustainability-Driven Green Innovation : Revolutionising Aerospace Decision-Making with an Intelligent Decision Support System ». Sustainability 16, no 1 (20 décembre 2023) : 41. http://dx.doi.org/10.3390/su16010041.

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Green innovation refers to developing and implementing new technologies, practices, products, and processes that promote sustainability and reduce environmental impacts. This article postulates the conceptualisation and implementation of an intelligent decision support system (IDSS) tailored to the aerospace technology sector. The data were collected from open sources such as social media and analyzed using the natural language processing tool. The envisaged IDSS is a comprehensive and seamlessly integrated platform designed to undergird decision-making, problem-solving, and research initiatives within the aerospace industry. Catering to the sector’s engineers, technicians, and managerial cadres, it aims to unravel complex datasets, proffer incisive analyses, and furnish prudent advice and recommendations. Its multifaceted capabilities range from data search and optimisation to modelling and forecasting. With an emphasis on harmonious integration with extant aerospace systems, it strives to provide engineers and technicians with enriched data insights. Moreover, its design ethos is centred on user-friendliness, underscored by an intuitive graphical interface that expedites seamless access and utilisation. Ultimately, the envisioned IDSS will augment the aerospace industry’s analytical prowess and will serve as a potent instrument for effective decision-making.
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Mendenhall, M. R. « Corporate memory contribution to integrated design and analysis systems ». Aeronautical Journal 110, no 1106 (avril 2006) : 257–63. http://dx.doi.org/10.1017/s0001924000001238.

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Abstract The recent decline in the USA aerospace industry has resulted in fewer programs, fewer engineers, and a potential loss of capability for future technology development. As engineers retire or leave the industry, their corporate memory or retained knowledge must be preserved for future use. A process to capture their expert knowledge is described, and a framework which provides a means to retrieve and use this valuable technical information is shown. Four examples of integrated design and analysis systems for four diverse technologies and applications are discussed.
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Valenti, Michael. « Re-Engineering Aerospace Design ». Mechanical Engineering 120, no 01 (1 janvier 1998) : 70–72. http://dx.doi.org/10.1115/1.1998-jan-5.

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This article reviews that by integrating its CAD/CAM tools, Boeing’s Space Systems Unit hopes to enhance the quality of its products as it reduces both design- and manufacturing-cycle times. Sharper market competition led management to re-emphasize the practice and couple it with integrated CAD/CAM systems to provide a more supportive environment for concurrent engineering, thereby assuring the customer that cost, schedule, and quality goals would be met. This concept, called integrated product development (IPD), was launched in 1991. Boeing’s intention is to use the IPD strategy to reduce design-cycle time and manufacturing-cycle time as well as recurring costs. To support IPD, the Boeing designers developed electronic change control (ECC), an online system that enables engineers, technicians, manufacturers, and logisticians throughout the company to track and control engineering changes on a network of minicomputers, workstations, and desktops. Among the Unigraphics-based tools Boeing uses in IPD is the electronic development fixture (EDF), a three-dimensional digital model. EDF enables its users to electronically investigate fit, form, function, and interference detection.
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Shang, J. S. « Computational fluid dynamics application to aerospace science ». Aeronautical Journal 113, no 1148 (octobre 2009) : 619–32. http://dx.doi.org/10.1017/s0001924000003298.

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Abstract A brief narration on significant accomplishments in computational fluid dynamics (CFD) for basic research and aerospace application is attempted to highlight the outstanding achievements by scientists and engineers of this discipline. To traverse such a vast domain, numerous and excellent contributions to CFD will be unintentionally overlooked by the author’s limited exposure. Nevertheless it is an ardent hope that the present abridged literature review will aid to reaffirm excellence in research and to identify knowledge shortfalls both in aerodynamics and its modeling and simulation capability. The future modeling and simulation technology needs, as well as potential and fertile research areas, are humbly put forth for consideration.
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Vellas, M., C. Fualdes, J. E. Morley, C. Dray, L. Rodriguez-Manas, A. Meyer, L. Michel, Y. Rolland et Y. Gourinat. « Aeroaging — A new collaboration between life sciences experts and aerospace engineers ». Journal of nutrition, health & ; aging 21, no 9 (21 septembre 2017) : 1024–30. http://dx.doi.org/10.1007/s12603-017-0969-1.

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Baig, M. F., et N. Sayeed. « Model-based reasoning for fault diagnosis of twin-spool turbofans ». Proceedings of the Institution of Mechanical Engineers, Part G : Journal of Aerospace Engineering 212, no 2 (1 février 1998) : 109–16. http://dx.doi.org/10.1243/0954410981532171.

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A simplified rule-based expert system can be of great use to maintenance engineers involved in on-line health monitoring of aero-engines. The development of a rule base has been done on the following lines: 1 A design and off-design mathematical model of the turbofan has been developed. 2 Healthy and fault-implanted engines have been run at various off-design conditions to see the effect of faults on certain aero-thermodynamic performance parameters, with appropriate selection of independent parameter(s). 3 From these calculated values, fault matrices have been developed for sea-level static conditions taking the net thrust as an independent parameter. 4 From these fault matrices, rules have been developed which form the knowledge core of the expert shell. These rules have been developed for Garrett TFE 731-2, a moderate bypass and overall pressure ratio, generic twin-spool turbofan and so the package (off-design code plus expert system) can serve as a pedagogical tool for training of engineers in the aero-engine industry and academic institutions.
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Papp, István. « Missile Mathematical Model and System Design ». Academic and Applied Research in Military and Public Management Science 16, no 1 (30 avril 2017) : 29–35. http://dx.doi.org/10.32565/aarms.2017.1.3.

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Recently, aerospace (flight) engineers, having more solid mathematical backgrounds, have become familiar with the newest results in control theory and are able not only to formulate control problems but also solve them without attracting the attention of control experts. Moreover, they try to apply new results in control theory to specific aerospace and missile guidance problems. As a result, control theory is losing its biggest supplier and, to a certain degree, this slows down its progress.
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Varrasi, John. « Reach for the Sky ». Mechanical Engineering 127, no 09 (1 septembre 2005) : 44–46. http://dx.doi.org/10.1115/1.2005-sep-5.

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This article highlights that for centuries although space was the realm of wonder and fascination, of fiction and children’s bedtime stories, of shooting balls of fire and faraway heavenly bodies; still it was less than 50 years ago that things began to change in earnest. Enormous engineering resources were invested in the US space program during the 1960s. By the end of the decade, engineers had gained a sufficient level of knowledge about chemical rockets and storable propellants and turned their attention to other technologies, such as noise control and advanced computer systems. In its tradition of recognizing technological achievement, ASME has bestowed honors and awards on numerous engineers and scientists associated with the nation's space program. ASME’s publications and conferences have been important vehicles for disseminating technical information on aerospace and aeronautics technology. The Society’s Aerospace Division, which predates the lunar program, has been one of the most active sectors of ASME's technical divisions.
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Morrison, Gale. « The Art of Aerospace Composites ». Mechanical Engineering 121, no 04 (1 avril 1999) : 58–61. http://dx.doi.org/10.1115/1.1999-apr-4.

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This article reviews the advanced resin transfer molding (RTM) process of GKN Westland Aerospace. This process is refined enough, with customized equipment and a proprietary resin binding material, so that hundreds of different aircraft parts that would otherwise be heavier (made of titanium) are being produced for customers that include GE, Pratt & Whitney, Lockheed Martin, and Boeing. GKN is making five-axis, hollow vein, and integrated attachment nodes. It has produced carbon-fiber and resin components as thick as 3½ inches, and designs can combine what were many parts. Depending on the part and desired strength (in the desired directions), the fiber tow is woven in a variety of ways. For strength in mainly one direction, the engineers specify that 75 percent of the tow runs in one direction and just 25 percent of it is used to weave across it, for example. The next step in GKN’s advanced RTM evolution is a unihybrid composite that takes great loads in just one direction and can be made very thick, up to 3½ inches. A slightly less rigorous process has already been licensed, to a company in Mexico that produces a component for the Dodge Viper sports car.
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Cinnella, Pasquale. « Review of "Computational Fluid Dynamics for Engineers" ». AIAA Journal 44, no 11 (novembre 2006) : 2812–14. http://dx.doi.org/10.2514/1.21436.

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Thornber, Ben. « Computational fluid dynamics for engineers ». Proceedings of the Institution of Mechanical Engineers, Part G : Journal of Aerospace Engineering 227, no 12 (11 novembre 2013) : 2002. http://dx.doi.org/10.1177/0954410013478712.

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Tamashiro, S. M. « Newbie engineers ». IEEE Aerospace and Electronic Systems Magazine 21, no 3 (mars 2006) : 37. http://dx.doi.org/10.1109/maes.2006.1624196.

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Roy, Subhanwit, Yun Dong, Lorenzo Baber et Benjamin Ahn. « Classroom to Workplace : Knowledge and Skills Learned by Recently Hired Aerospace Engineers ». Journal of Aerospace Information Systems 19, no 4 (avril 2022) : 317–29. http://dx.doi.org/10.2514/1.i011043.

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Pinelli, T. E., R. O. Barclay, M. L. Kenne, M. Flammia et J. M. Kennedy. « The technical communication practices of Russian and US aerospace engineers and scientists ». IEEE Transactions on Professional Communication 36, no 2 (juin 1993) : 95–104. http://dx.doi.org/10.1109/47.222688.

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Ciobota, Nastase-Dan, Gheorghe Ion Gheorghe et Veronica Despa. « Additive Manufacturing as an Important Industry Player for the Next Decades ». Scientific Bulletin of Valahia University - Materials and Mechanics 17, no 16 (1 mai 2019) : 68–71. http://dx.doi.org/10.2478/bsmm-2019-0010.

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Abstract Additive Manufacturing (AM) concerns all classes of materials – polymers, metals, ceramics and glasses as well. For this reason, AM is in the focus of material scientists from all branches. Leaders of the industry realize that the possibilities of 3D printing are endless, and that these possibilities need ways and means to be taken full advantage of. Today, aerospace engineers are using the fused deposition modeling (FDM) method for rapid prototyping, part manufacturing, and tooling. They are followed by leaders and engineers from industry (industrial machines, motor vehicles, consumer products, medical/dental) but also from academic institutions and government/military.
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Guruprasad, R. « The Merits and Drawbacks of Electronic Journals : A Research Survey of Aerospace Scientists and Engineers of Bangalore ». Journal of Advance Research in Electrical & ; Electronics Engineering (ISSN : 2208-2395) 2, no 2 (28 février 2015) : 01–11. http://dx.doi.org/10.53555/nneee.v2i2.223.

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Today, scientific journals undoubtedly represent the most vital means for disseminating research findings. Often, the research challenges common assumptions and/or the research data presented in the published scientific literature in order to gain a clearer understanding of the facts and findings. Depending upon the policies of a given journal, articles may include reports of original research, re-analyses of others’ research, reviews of the literature in a specific area, proposals of new but untested theories, or opinion pieces. One can also say that, journals are fundamental to formal scholarly communication. It is also observed that for more than three centuries, scholarly journals have played a pivotal role in the creation and dissemination of knowledge by serving as the primary medium of scholarly communication. This has however remained unchanged in form and function over its lifetime. It is now very clear that science as we know it is scarcely imaginable without the scholarly journal [1, 2]. A research study was undertaken to study the ‘Advantages and Disadvantages of Electronic Journals’ The geographic boundary of this research study consisted of 16 prominent aerospace organizations of Bangalore. The age-group of this study was between 21-60 years. The broad areas of specialization of the Aerospace Scientists and Engineers have been classified into (a) Thermal and Fluid Sciences, (b) Avionics, Guidance and Control, (c) Aerospace Structures and Allied Mechanical Sciences, (d) Materials and Metallurgy, (e) Flight Operations and other Allied Disciplines, and (f) General Engineering and Support Sciences. The major conclusions of this study are: (a) Analysis of Variance (ANOVA) was applied for testing the significant difference among the 16 mean scores attained from the scientists and engineers of the aerospace organizations for ‘Advantages of Use of e-Journals’. It is observed that all the 16 aerospace organizations show a significant difference (P < 0.05) in their mean scores viz., ‘Current / Up to Date Information’, Ease of Search’, Ease of Browsing’, Multi-User Access, Fast Access, ‘Ability to Download’, ’24 Hour Access’, ‘Available Before Print’, ‘Search-ability of Databases among Journals’, ‘e-Back Volumes are Available’, ‘Non-Availability of Print Volumes’, ‘Easy Backup Availability’ and ‘Multiple e-Choice of Formats (PDF, RTF, DOC and HTML)’. (b) Analysis of Variance (ANOVA) was applied for testing the significant difference among the 16 mean scores attained from the scientists and engineers of the aerospace organizations for ‘Disadvantages of e-Journals’. It is observed that all the 16 aerospace organizations show a significant difference (P < 0.05) in their mean scores viz., ‘Slow Downloads’, ‘Additional Payment’, ‘Problems with Print Facilities in Databases’, ‘Dependence on Connectivity’, ‘Quality of Print Images is Low’ and ‘It is Difficult to Read on Screen,
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Richards, Frances, et Julie Lucko. « Modern Materials for Sports and Recreation ». AM&P Technical Articles 173, no 7 (1 juillet 2015) : 24–31. http://dx.doi.org/10.31399/asm.amp.2015-07.p024.

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Abstract Beyond automotive, aerospace, and medical materials innovations, research and development of advanced materials and processes for sports and recreation activities is one of the most exciting areas for today’s materials scientists and engineers. This article compiles examples of materials innovations in equipment for cycling, ice skating, cricket, running, football, sailing, and fishing.
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Liu, Hangyu. « Current Status of Jet Engines and Their future ». Highlights in Science, Engineering and Technology 43 (14 avril 2023) : 280–86. http://dx.doi.org/10.54097/hset.v43i.7430.

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Jet engines have important application value and status in the aerospace field, which directly affects the development of aircraft and spacecraft. This year, jet engines have gradually become the focus and hotspot of scholars at home and abroad. Through the method of literature comparison and analysis, this paper focuses on analysing two common jet engines, namely turbofan engine and pulse jet engine, and makes a detailed analysis and comparison of their working principles and applications; for the future development of parts, three-dimensional (3D) printing technology as an example, the use of different kinds of 3D printing, electron beam melting and selective laser melting to print jet engine parts and how to reduce errors is studied, and various techniques for improving high temperature parts are analysed., and looked forward to the future development trend of jet engines and put forward their own views. The research work in this paper will promote the development of jet engine and provide reference for engineers and technicians.
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Saemi, Farid, et Moble Benedict. « Flight-Validated Electric Powertrain Efficiency Models for Small UASs ». Aerospace 11, no 1 (24 décembre 2023) : 16. http://dx.doi.org/10.3390/aerospace11010016.

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Minimizing electric losses is critical to the success of battery-powered small unmanned aerial systems (SUASs) that weigh less than 25 kgf (55 lb). Losses increase energy and battery weight requirements which hinder the vehicle’s range and endurance. However, engineers do not have appropriate models to estimate the losses of a motor, motor controller, or battery. The aerospace literature often assumes an ideal electrical efficiency or describes modeling approaches that are more suitable for controls engineers. The electrical literature describes detailed design tools that target the motor designer. We developed SUAS powertrain models targeted for vehicle designers and systems engineers. The analytical models predict each component’s losses using high-level specifications readily published in SUAS component datasheets. We validated the models against parametric experimental studies involving novel powertrain flight data from a specially instrumented quadcopter. Given propeller torque and speed, our integrated models predicted a quadcopter’s battery voltage within 5% of experimental data for a 5+ min mission despite motor and controller efficiency errors up to 10%. The models can reduce development costs and timelines for different stakeholders. Users can evaluate notional or existing powertrain configurations over entire missions without testing any physical hardware.
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Parker, R., et G. Fedder. « Aircraft engines : a proud heritage and an exciting future ». Aeronautical Journal 120, no 1223 (janvier 2016) : 131–69. http://dx.doi.org/10.1017/aer.2015.6.

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SUMMARYThe 150th anniversary of the Royal Aeronautical Society has seen Rolls-Royce become a global player in aerospace and a champion of British industry. Its products vary from the nimble RR300, powering two-seater helicopters, all the way to the 97,000-pound thrust Trent XWB, powering future variants of the Airbus A350, and the MT30, which provides the propulsion for the Royal Navy's new Queen Elizabeth class aircraft carriers. It has built this range of products derived from the vision and innovation of its talented engineers, spurred on by the guiding principles provided by Henry Royce. This has seen it through times of war, hardship, bankruptcy and fierce competition to emerge as the leading manufacturer of aircraft engines and a provider of power across land and sea. Alongside its products, it has developed pioneering services to support its customers, analysing real-time data to improve the reliability and efficiency of its engines. In keeping with its tradition of innovation, the company is continuing to develop new products and services for the next generation of power systems for land, sea and air.
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Bertodo, R. G. « On the Deployment of Automotive Engineers ». Proceedings of the Institution of Mechanical Engineers, Part D : Journal of Automobile Engineering 203, no 1 (janvier 1989) : 15–23. http://dx.doi.org/10.1243/pime_proc_1989_203_143_02.

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British automotive design philosophies, engineering traditions, organizational structures and managerial practices have been geared to the generally recognizable European product concept. This distinctiveness has been eroding due to the convergence of Japanese and North American trends towards European values. Regaining the competitive edge has become the challenge facing the industry. The present paper describes a determined attempt to do so. Earlier investigations had shown that, in automotive engineering, the attainment of customer-perceived superb ‘quality’ was the only assurance of market acceptability and competitiveness. Traditional design methodologies were demonstrated as inadequate and incapable of ensuring the attainment of product attributes in line with end-user needs and expectations. The subsequent evaluation of an alternative design logic indicated the need for a reappraisal of the engineering culture. The organizational, managerial and operational changes necessary to implement this new philosophy are described in detail. A preliminary quantification of the benefits reaped are presented. Scope for further improvement is shown to exist. Although the transition was broadly successful, different areas showed different rates of progress. This highlighted the need for a commonality of ethos, objectives, goals and understanding by all. Apprehension and discomfort was encountered at all levels, but was particularly evident among middle management. This underlined the importance of mutual trust, good communications and appropriate training. The continuing evolution of the automotive industry and the pressing challenge of competition will force ongoing changes in engineering organizations to meet new market needs. The likely directions of such changes in the management of automotive engineering work are outlined.
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Märtens, Kalev, et Jaak Umborg. « PROJECT-BASED LEARNING IN THE LABORATORY OF COMMUNICATION AND NAVIGATION SYSTEMS ». Aviation 16, no 3 (2 octobre 2012) : 84–87. http://dx.doi.org/10.3846/16487788.2012.732322.

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Patel, Bhadra K., Doris Y. Tamanaha et Laurel A. Rudzik. « REAL TIME SYSTEMS/SOFTWARE METHODOLOGIES FOR LARGE AEROSPACE SYSTEMS ». INCOSE International Symposium 3, no 1 (juillet 1993) : 113–20. http://dx.doi.org/10.1002/j.2334-5837.1993.tb01567.x.

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AbstractThis paper presents an overview of the real time system/software methodology approach being deployed within Hughes Aircraft Company. The Hatley‐Pirbhai Process for System Development (PSD) was chosen as the training standard for all systems and software engineers in a common engineering method to increase productivity, quality of design, and communications between various engineering disciplines. The approach that Hughes has taken is to adopt a well defined and proven methodology available from industry and to customize it to include specific extensions applicable to the types of systems developed by Hughes Aircraft product organizations. Two such extensions, information modeling and requirements traceability tooling, are discussed in this paper. In conclusion, the paper will discuss the lessons learned for using the integrated system development methodology and follow‐on activities that are being worked on today.
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HOLLAND, MAURITA PETERSON, THOMAS E. PINELLI, REBECCA O. BARCLAY et JOHN M. KENNEDY. « Engineers as Information Processors : a Survey of US Aerospace Engineering Faculty and Students ». European Journal of Engineering Education 16, no 4 (janvier 1991) : 317–36. http://dx.doi.org/10.1080/03043799108939538.

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Thomas, Ward F., et Paul Ong. « Barriers to Rehiring of Displaced Workers : A Study of Aerospace Engineers in California ». Economic Development Quarterly 16, no 2 (1 mai 2002) : 167–78. http://dx.doi.org/10.1177/0891242402016002006.

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Thomas, Ward F., et Paul Ong. « Barriers to Rehiring of Displaced Workers : A Study of Aerospace Engineers in California ». Economic Development Quarterly 16, no 2 (mai 2002) : 167–78. http://dx.doi.org/10.1177/089124240201600206.

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Culick, F. E. C. « The Wright Brothers : First Aeronautical Engineers and Test Pilots ». AIAA Journal 41, no 6 (juin 2003) : 985–1006. http://dx.doi.org/10.2514/2.2046.

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Bradshaw, Peter. « Review of "Turbulence-An Introduction for Scientists and Engineers" ». AIAA Journal 43, no 2 (février 2005) : 446. http://dx.doi.org/10.2514/1.15690.

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Shortis, Mark R., Stuart Robson, Thomas W. Jones, William K. Goad et Charles B. Lunsford. « PHOTOGRAMMETRIC TRACKING OF AERODYNAMIC SURFACES AND AEROSPACE MODELS AT NASA LANGLEY RESEARCH CENTER ». ISPRS Annals of Photogrammetry, Remote Sensing and Spatial Information Sciences III-5 (6 juin 2016) : 27–34. http://dx.doi.org/10.5194/isprsannals-iii-5-27-2016.

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Aerospace engineers require measurements of the shape of aerodynamic surfaces and the six degree of freedom (6DoF) position and orientation of aerospace models to analyse structural dynamics and aerodynamic forces. The measurement technique must be non-contact, accurate, reliable, have a high sample rate and preferably be non-intrusive. Close range photogrammetry based on multiple, synchronised, commercial-off-the-shelf digital cameras can supply surface shape and 6DoF data at 5-15Hz with customisable accuracies. This paper describes data acquisition systems designed and implemented at NASA Langley Research Center to capture surface shapes and 6DoF data. System calibration and data processing techniques are discussed. Examples of experiments and data outputs are described.
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Shortis, Mark R., Stuart Robson, Thomas W. Jones, William K. Goad et Charles B. Lunsford. « PHOTOGRAMMETRIC TRACKING OF AERODYNAMIC SURFACES AND AEROSPACE MODELS AT NASA LANGLEY RESEARCH CENTER ». ISPRS Annals of Photogrammetry, Remote Sensing and Spatial Information Sciences III-5 (6 juin 2016) : 27–34. http://dx.doi.org/10.5194/isprs-annals-iii-5-27-2016.

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Aerospace engineers require measurements of the shape of aerodynamic surfaces and the six degree of freedom (6DoF) position and orientation of aerospace models to analyse structural dynamics and aerodynamic forces. The measurement technique must be non-contact, accurate, reliable, have a high sample rate and preferably be non-intrusive. Close range photogrammetry based on multiple, synchronised, commercial-off-the-shelf digital cameras can supply surface shape and 6DoF data at 5-15Hz with customisable accuracies. This paper describes data acquisition systems designed and implemented at NASA Langley Research Center to capture surface shapes and 6DoF data. System calibration and data processing techniques are discussed. Examples of experiments and data outputs are described.
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A, Sivasankar G., et T. Thirunavukkarasu. « A pragmatic study of organizational behaviour in aerospace companies ». Scientific Temper 14, no 03 (26 septembre 2023) : 993–96. http://dx.doi.org/10.58414/scientifictemper.2023.14.3.66.

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The human-intensive aerospace industry in India has grown dramatically over the last decade and a half. One of the primary reasons for this rapid growth was India’s large supply of well-educated, english-speaking engineers. While this expansion was beneficial to Indians in many ways, it was unavoidable that it would have a negative impact on our way of life, culture, and health. These negative effects were less noticeable in the first half of the growth period but became more apparent in the second half when the growth rate plateaued. ‘Stress’ is one of the negative effects of the aerospace industry on the people who work in it. Organizations want their employees to be stress-free to be more productive at work and home. Many studies have been conducted throughout the world to determine stress levels, but no study has been conducted with a focus on aerospace businesses in Greater Tamil Nadu to link occupational stress with organizational behavior.
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Samir, Sayyed, Jeeban Pd Gewali, Taranjit Singh, Karnilian Debbarma, Subhrojeet Mazumdar, Faizul Lone et Uwera Ed Daniella. « Introduction to Polymer Composites in Aerospace ». Current Natural Sciences and Engineering 1, no 4 (26 juillet 2024) : 329–39. http://dx.doi.org/10.63015/4d-2431.1.4.

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The strategic use of polymer composites in aerospace engineering has influenced aircraft and spacecraft design and manufacturing. This abstract summarizes the fundamental principles, key components, and significance of polymer composites in aerospace applications. Polymer composites are formed of a matrix material (generally a polymer resin) reinforced with high-strength fibres like carbon, glass, or aramid. This combination gives the composite superior mechanical properties, such as high strength-to-weight ratio, stiffness, and resistance to fatigue and corrosion. Such properties make polymer composites ideal for aerospace structures where lightweight construction and exceptional performance are critical.Polymer composites are widely used in aerospace to reduce weight, improve fuel efficiency, and strengthen structural integrity in structural components such as wings, empennages, and fuselages. They are also essential to propulsion systems, interior structures, and thermal protection systems, which emphasizes their adaptability and versatility to a wide range of aerospace applications.The use of polymer composites in aerospace has driven improvements in manufacturing processes, including automated resin transfer molding and fibre placement, making it possible to produce intricate composite structures with extreme efficiency and precision. Furthermore, engineers can maximize component performance while adhering to strict aerospace regulations and safety standards thanks to the design flexibility provided by polymer composites.Further study attempts to boost the capabilities and characteristics of polymer composites, such as better resistance to damage, durability to impacts, and durability in extreme conditions. The invention of the next-generation aerospace vehicles that can meet the changing needs of space exploration and transportation looks promising as a result of this ongoing innovation.
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