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Shooting for the stars with a rocket scientist
\"In every neighborhood across the country, there's a young dreamer who looks up at the stars and wants to know more. This volume provides an essential outlet for exploration, discovery, and engagement with the cosmos for budding space scientists. Packed with activities that can easily be done at home, as well as vivid, full-color photography and graphics, this book is the missing link between a curious mind and a career as a rocket scientist\"-- Provided by publisher.
Book
Applications of wire arc additive manufacturing (WAAM) for aerospace component manufacturing
Wire arc additive manufacturing (WAAM) is an emerging technology for metal processing that offers many advantages for aerospace-grade production. It provides significant design complexity and freedom offering very fast material deposition rates and relatively good material properties. It is also based on simple hardware and materials and is easy to apply in the field, making it an ideal tool for the aerospace industry. This article reviewed the major application sectors in the aerospace industry where WAAM has been successfully used with some examples, some of the aerospace-relevant modeling and simulation work for WAAM that has been done, and the current status of the significantly used WAAM materials of interest to the aerospace industry (particularly, aluminum, titanium, and nickel alloys). It was found that the most important benefits offered by WAAM to the aerospace industry were its very fast material deposition rate, its flexibility and simplicity, and its ability to process aluminum alloys much more effectively than most other AM processes. There are still areas to be explored before WAAM could be fully integrated into the aerospace design and manufacturing system, but it is well on its way and promises to be an essential technology in the future.
Journal Article
The political economy of aerospace industries : a key driver of growth and international competitiveness?
This is the definitive book on the political economy of the aerospace industry by the world's leading scholar on the subject. This is a must read for anyone studying defence economics or who is interested in the aerospace industry. It is clear, concise and informative.
Book
Review of augmented reality in aerospace industry
Purpose
The purpose of this paper is to assess and determine the potential of augmented reality (AR) in aerospace applications through a survey of published sources.
Design/methodology/approach
This paper reviews a database of AR applications developed for the aerospace sector in academic research or industrial training and operations. The review process begins with the classification of these applications, followed by a brief discussion on the implications of AR technology in each category.
Findings
AR is abundantly applied in engineering, navigation, training and simulation. There is potential for application in in-flight entertainment and communication, crew support and airport operations monitoring.
Originality/value
This paper is a general review introducing existing and potential AR applications in various fields of the aerospace industry. Unlike previous publications, this article summarizes existing and emerging applications to familiarize readers with AR use in all of aerospace. The paper outlines example projects and creates a single comprehensive reference of AR advancements and its use in the aerospace industry. The paper provides individuals with a quick guide to available and emerging technology.
Journal Article
Advances in the smart materials applications in the aerospace industries
Purpose
Smart materials also called intelligent materials are gaining importance continuously in many industries including aerospace one. It is because of the unique features of these materials such as self-sensing, self-adaptability, memory capabilities and manifold functions. For a long time, there is no review of smart materials. Therefore, it is considered worthwhile to write a review on this subject.
Design/methodology/approach
A thorough search of the literature was carried out through SciFinder, ScienceDirect, SpringerLink, Wiley Online Library and reputed and peer-reviewed journals. The literature was critically analyzed and a review was written.
Findings
This study describes the advances in smart materials concerning their applications in aerospace industries. The classification, working principle and recent developments (nano-smart materials) of smart materials are discussed. Besides, the future perspectives of these materials are also highlighted. Much research has not been done in this area, which needs more extensive study.
Originality/value
Certainly, this study will be highly useful for academicians, researchers and technocrats working in aerospace industries.
Journal Article
Graphene Nanocomposites in Space Sector—Fundamentals and Advancements
Graphene is one of the most significant carbon nanomaterials, with a one-atom-thick two-dimensional nanostructure. Like other nanocarbons, graphene has been used as a polymer reinforcement. This review explores the impact of graphene and graphene-based nanocomposites on aerospace applications. The fabrication and indispensable features of graphene-derived nanocomposites have been considered. Numerous polymers and nanocomposites have been employed for aerospace systems such as reinforced thermosetting/thermoplastic polymers and epoxy/graphene nanocomposites. Moreover, graphene-modified carbon-fiber-based composites have been discussed for the space sector. Aerospace nanocomposites with graphene have been investigated for superior processability, structural features, morphology, heat stability, mechanical properties, flame resistance, electrical/thermal conductivity, radiation protection, and adhesion applications. Subsequently, epoxy and graphene-derived nanocomposites have been explored for heat/mechanically stable aerospace engineering structures, radiation-shielding materials, adhesives, coatings, etc.
Journal Article
Parachute use to prevent death and major trauma when jumping from aircraft: randomized controlled trial
AbstractObjectiveTo determine if using a parachute prevents death or major traumatic injury when jumping from an aircraft.DesignRandomized controlled trial.SettingPrivate or commercial aircraft between September 2017 and August 2018.Participants92 aircraft passengers aged 18 and over were screened for participation. 23 agreed to be enrolled and were randomized.InterventionJumping from an aircraft (airplane or helicopter) with a parachute versus an empty backpack (unblinded).Main outcome measuresComposite of death or major traumatic injury (defined by an Injury Severity Score over 15) upon impact with the ground measured immediately after landing.ResultsParachute use did not significantly reduce death or major injury (0% for parachute v 0% for control; P>0.9). This finding was consistent across multiple subgroups. Compared with individuals screened but not enrolled, participants included in the study were on aircraft at significantly lower altitude (mean of 0.6 m for participants v mean of 9146 m for non-participants; P<0.001) and lower velocity (mean of 0 km/h v mean of 800 km/h; P<0.001).ConclusionsParachute use did not reduce death or major traumatic injury when jumping from aircraft in the first randomized evaluation of this intervention. However, the trial was only able to enroll participants on small stationary aircraft on the ground, suggesting cautious extrapolation to high altitude jumps. When beliefs regarding the effectiveness of an intervention exist in the community, randomized trials might selectively enroll individuals with a lower perceived likelihood of benefit, thus diminishing the applicability of the results to clinical practice.
Journal Article