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Academic literature on the topic 'Propulsive innovations'

Author: Grafiati
Published: 7 July 2024

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Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Journal articles on the topic "Propulsive innovations":

1

Bingham, V. P., and Thomas P. Mackey. "High-Performance Rudders—with Particular Reference to the Schilling Rudder." Marine Technology and SNAME News 24, no. 04 (October 1, 1987): 312–20. http://dx.doi.org/10.5957/mt1.1987.24.4.312.

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The evolution of the rudder as a means of steering or maneuvering ships has not kept up with other progress in ship machinery and propulsion systems. During the past decade, however, several significant advances in ship maneuvering have been made based on the principle of diverting the propulsive thrust rather than simply steering the hull. One of these innovations is the Schilling rudder, which offers, at a relatively economical cost, greatly improved maneuverability even at very slow speeds. The Schilling rudder can be rotated 75 deg to either side without stalling, which provides stern thrust capability to the ship as the main engine thrust can be diverted at an angle of 90 deg to the hull. A twin Schilling Rudder system, with independently controllable rudders, has the additional features of allowing vectored reversal of ahead thrust, eliminating the need for a reversing gear or controllable-pitch propeller, and, when coupled with a suitable bow thrust device, can even provide a level of dynamic positioning capability to the ship. Both the single and double Schilling rudder systems have now been proven in service and their applicability extended to most types of vessels with no limit on size.
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Kadyrbechevna Еshugova, Svetlana, and . "A Factor Analysis of Models for Regional Development." International Journal of Engineering & Technology 7, no. 3.15 (August 13, 2018): 340. http://dx.doi.org/10.14419/ijet.v7i3.15.18702.

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This paper explores some of the key regional characteristics of the formation of market relationships that influence the overall economic situation in the country. The author examines regional units characterized by there being latent sources of cumulative growth within a multilevel stratified unit that incorporates a group of business entities engaged in a homogeneous type of economic activity which may initiate a multiplicative effect based on the capacity for systemic or developmental innovations, as well as a group of business entities associated with a propulsive sector through the “input/output” relationship, which ensures the translation of a multiplicative effect in the direction from higher territorial establishments to lower ones. The paper discusses the activity of key organizations within a recipient region with a view to identifying potential growth areas that could become the basis for the development of import substitution at the mesolevel, which are engaged in activity within the framework of traditional spheres of economic activity.
3

Gagarina, G. Yu, and D. A. Antonova. "Opportunities for the Russian Federation to Borrow from the World Experience of Preferential Regimes." Federalism 28, no. 3 (October 7, 2023): 29–48. http://dx.doi.org/10.21686/2073-1051-2023-3-29-48.

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The presence of underdeveloped territories, a large number of backward and depressed regions has a direct impact on the economic security of both the regions themselves and the state as a whole. One of the tools for the development of space, which has proven its effectiveness in the practice of application in the world, are special (free) economic zones. The regimes emerging in their territories are commonly called preferential. Moreover, there are no uniform rules for the development of such formations. Each state, when establishing preferential regimes, is guided by its own national legislation, certain development goals, as well as the use of international experience in the formation of special economic zones. The main purpose of the article is to study the issues of the development of territories with preferential regimes, their impact on the economy of the home countries and the possibility of using world experience in the subjects of the Russian Federation to attract investment, create new jobs with the support of propulsive industries and the spread of innovations arising in these zones to the nearest areas.
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Sepe, Marichela, and Michael Pitt. "Urban branding and place as a quality product: innovations in the urban experience." Journal of Facilities Management 15, no. 1 (February 6, 2017): 2–14. http://dx.doi.org/10.1108/jfm-10-2016-0042.

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Purpose Starting from these premises, the aim of the paper is illustrating the role of experience in urban regeneration projects and to explore how the experience of high quality product luxury places can be sustainable with existent place identity or new place identity to be suitably created. Design/methodology/approach The experience of a place may become an integral part of a product experience. The enhancement of products (Splendiani, 2013): assumes a meaning which goes beyond the simple sale of material goods. It covers the supply of complex experiences … enriched by intangible elements capable to stimulate and involve the sensory and experiential component of consumption. It deals with attracting people to the places where local products are made by inserting the products in the most extensive offers covering the entire territorial system of reference The experience may also be used for the spectacolarisation of a place and its commercialisation, as in the case of “brandscapes” (Klingman, 2007). In this case, it is important not to clone every place everywhere because they could inevitably resemble each other without be able to really engage the people who move into them (Lehtovuori, 2010). The methodology approach is based on a wide bibliography and internet research based on the main terms connected to the topics of the paper, including experience, place identity, quality product, regeneration; on case studies – even though not illustrated – concerning places of interest for the research topics, such as: Hafencity in Hamburg, the Albert Dock in Liverpool, Abondaibarra area in Bilbao. Findings The planning of places of quality product cannot be separated from interpretation of the territory as a cultural system resulting from an ensemble of historical, economic and social processes. In such a system, the contribution of the cultural factor must be considered propulsive, not only for its qualitative meaning but also, and especially, for the role of “trait d’union” of a number of actions taken to protect and enhance places. Originality/value The increasing importance of the use of experience in the urban regeneration process is leading cities to be involved in constructing suitable images and symbols of their transformed areas to meet the new trends, also according with luxurious ones. Even though globalisation is one of the main dangers in innovative itineraries, the proper planning of quality architecture and public spaces could prevent it by creating a suitable mix between innovation and culture.
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Seth, Ishita, Kalpna Guleria, Surya Narayan Panda, Divya Anand, Khalid Alsubhi, Hani Moaiteq Aljahdali, and Aman Singh. "A Taxonomy and Analysis on Internet of Vehicles: Architectures, Protocols, and Challenges." Wireless Communications and Mobile Computing 2022 (May 30, 2022): 1–26. http://dx.doi.org/10.1155/2022/9232784.

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The accelerated evolution in computing and transmission automation of the Internet of Vehicles (IoV) has led to enormous research standards that attract many researchers and industries. This century of the Internet of Things (IoT) is propulsive to the routine vehicular ad hoc networks (VANETs) in the IoV. It has emerged as one of the major driving forces for innovations in the intelligent vehicular industry. The World Health Organization (WHO) report confirms that approximately 1.35 million people die because of accidents on the road every year. This requires considerable attention to incorporate more and more safety measures into the automobile industry. Intelligent transportation systems can help bridge the gap between the traditional and the intelligent automotive industry by connecting vehicle to vehicle (V2V) and vehicle to infrastructure (V2I), hence adding much safety in vehicular communication. This paper provides a comprehensive review of the Internet of Vehicles (IoV) which discusses the architectures of IoV including layer types, functions of layers, application area, and communication type supported. Further, it also provides an in-depth insight into state-of-the-art Medium Access Control (MAC) protocols and routing protocols used in IoV communication. The routing protocol comparative summarization considers important parameters which include communication types broadcast, unicast, cluster, multicast, forwarding strategy, recovery strategy, availability of map, and the type of environment urban or highway. The summarization of various protocols highlights strengths, research gaps, and application areas. Finally, the paper addresses various research challenges along with potential future enhancements for the IoV communication.
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Gözüküçük, Nur Tuğçe. "BOEING 787 Model Daha Elektrikli Uçak Sistem Yenilikleri ve Araştırılan Sorunları." Orclever Proceedings of Research and Development 3, no. 1 (December 31, 2023): 458–68. http://dx.doi.org/10.56038/oprd.v3i1.402.

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In recent years, MEA technology has brought about developments in the field of power electronics, fault-tolerant architecture, electro-hydrostatic actuators, flight control systems, high-density electric motors, power generation and conversion systems. Non-propulsive systems in traditional aircraft systems, ıt is powered by a combination of different secondary power sources such as hydraulic, pneumatic, mechanical and electrical while the more electric aircraft (MEA) concept ensures the use of optimum electrical power for all non-propellant systems. The goal of future aircraft technology is to replace the majority of non-electrical power-using systems, such as environmental control and engine starting, with electrical systems to improve various aircraft characteristics such as efficiency, emissions, reliability and maintenance costs. B787 series aircraft, the first civil aircraft with more electric aircraft features of modern times, ıt features composite fuselage and wing profiles, fly-by-wire flight controls, advanced cockpit and General Electric or Rolls-Royce engines. Different from previous designs, Boeing has minimized the use of air from the engines in the B787 technology and makes extensive use of electrically powered systems instead of traditional pneumatically powered systems. B787 new generation passenger aircraft, ıt is anticipated that significant improvements such as aircraft weight, fuel consumption, total life cycle costs, carbon neutrality, ease of maintenance and aircraft reliability will reduce the effects of adverse environmental conditions. In this study, the system innovations of the B787 aircraft model, which is a more electric aircraft concept and introduces different testing and working methods throughout the design process, and the problems caused by the new systems were investigated.
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Nadar, Ryan. "Innovations in Laser-Driven Plasma Propulsion Systems for Space Exploration." Acceleron Aerospace Journal 1, no. 5 (December 30, 2023): 101–3. http://dx.doi.org/10.61359/11.2106-2321.

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Laser propulsion has emerged as a promising technology for revolutionizing space exploration by offering rapid and efficient spacecraft propulsion. This paper proposes a novel system that integrates dense corona discharge with electrical mechanisms to significantly enhance the efficiency and effectiveness of laser propulsion. Leveraging plasma physics and laser technology, this system harnesses the synergy between dense plasma and laser-driven propulsion, significantly exceeding the capabilities of conventional systems. Theoretical analysis and computational simulations reveal the potential for increased thrust, improved energy conversion efficiency, and enhanced controllability, paving the way for next-generation spacecraft propulsion technologies.
8

Kyvik, Oyvin, and Age Svein Gjosaeter. "Environmentally sustainable innovations in offshore shipping: A comparative case study." Journal of Innovation Management 5, no. 1 (May 18, 2017): 105–31. http://dx.doi.org/10.24840/2183-0606_005.001_0008.

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Two Norwegian offshore shipping firms facing the challenge of developing more environmentally sustainable services choose divergent strategies. One focuses on managerial innovation and develops a new business model equally dividing fuel-savings achieved through operational optimization between customers and the Norwegian Rainforest Foundation, thus operating climate neutrally. The other firm develops a technology-driven strategy and develops LNG-propulsion for part of its fleet. Following the firms through the innovation processes, the study finds that implementing environmentally sustainable innovations requires managerial capability to provide a holistic and integrative perspective on organizational innovation processes which align technical and managerial actions and activities. The findings indicate that a business model can be used as a boundary-spanning tool that goes beyond the ambidextrous challenges of balancing and integrating exploration and exploitation and provides a complementary view on organizational innovation processes. The comparative case study looks inside the “black box” of sustainable innovation and offers theoretical and practical insights to academics and students. The study also contributes guiding principles for practitioners and policymakers.
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Davidova, Jelena, and Irēna Kokina. "Teachers' Views on Innovative Processes in Schools of Latvia." Journal of Teacher Education for Sustainability 8, no. 1 (January 1, 2007): 25–36. http://dx.doi.org/10.2478/v10099-009-0010-9.

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Teachers' Views on Innovative Processes in Schools of LatviaOrienting society toward sustainable development is impossible without the development of a teacher into a creative person with his/her individual style of activity and thinking. This cannot be achieved without a continuous and systematic professional development that promotes innovation. Great hopes are placed on innovations, they are considered to be a reliable driving force for development. The research emphasizes the importance of identifying what teachers think about innovations in education and their own position in relation to innovative activity. Evolutionary Model, Innovative Milieu Model, and Propulsion Model of Creative Contributions can be applied within a context of presented study. Eight teachers (four teachers with a student/learning-centred orientation towards teaching and four teachers with content-centred orientation towards teaching), who worked at different schools, were interviewed in October and November 2006. Ettlie and O'Keefe's scale of attitude to innovations was used as the basis during the interview. The research revealed the most important factors hampering teachers' motivation for innovative activity and pedagogical regularities and criteria for stimulating innovations.
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Pigulevski, Iouri. "Laser Propulsion Market-Creating Innovation." New Space 4, no. 2 (June 2016): 123–28. http://dx.doi.org/10.1089/space.2015.0034.

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Dissertations / Theses on the topic "Propulsive innovations":

1

Solorzano, Flores Hector. "Understanding and prediction of flow physics on a boundary layer ingestion air intake for a commercial aircraft." Electronic Thesis or Diss., Institut polytechnique de Paris, 2023. http://www.theses.fr/2023IPPAX093.

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La thèse étudie les phénomènes physiques résultant de l’interaction entre une entrée d’air à ingestion de couche limite (BLI) et le fuselage dans des conditions hors adaption pour un avion commercial. Une géométrie d’entrée d’air BLI enfouie sur une plaque plane est utilisée. L’étude comprend des analyses numériques et expérimentales, caractérisant le comportement du flux stationnaire et instationnaire. La capacité prédictive de divers modèles de turbulence CFD, RANS et hybrides RANS/LES, est évaluée et comparée aux données d’essais en soufflerie. La distorsion du flux au plan d’interface aérodynamique (AIP), le principal inconvénient de l’utilisation d’un moteur BLI, est quantifiée. Différents critères de distorsion utilisés dans l’industrie sont examinés, mettant en évidence leurs forces et leurs faiblesses. Enfin, les résultats de cette thèse fournissent une compréhension approfondie du comportement de l'écoulement pour ce type de configuration, ainsi que du potentiel et des limites des méthodes numériques employées. Les résultats de la thèse peuvent également servir de base pour réfléchir à l’utilisation du contrôle actif des écoulements pour optimiser le bénéfice du concept BLI tout en respectant les multiples contraintes de conception, notamment liées au fonctionnement de l’entrée d’air hors des conditions de croisière et à l’intégration physique du moteur sur l’avion
The thesis investigates the physical phenomena arising from the interaction between a Boundary Layer Ingestion (BLI) engine intake and the fuselage under off-design conditions for a commercial aircraft. A buried BLI intake geometry on a flat plate is employed. The study involves both numerical and experimental analyses, characterizing the steady and unsteady flow behavior. The predictive capability of various CFD turbulence models, RANS and hybrid RANS/LES, is assessed and compared with wind tunnel test data. The flow distortion at the Aerodynamic Interface Plane (AIP), the main drawback of using a BLI engine, is quantified. Different distortion criteria used in the industry are examined, highlighting their strengths and weaknesses. Finally, the results of this thesis provide a deeper understanding of the flow behavior of this type of configuration, as well as the potential and limitations of the numerical methods applied. The results of the thesis may also serve as a basis for reflection on the use of active flow control to optimize the benefit of the BLI concept while respecting the multiple design constraints, especially related to the engine intake operation outside cruise conditions and the physical integration of the engine on the aircraft
2

AMPELLIO, ENRICO. "Innovation, automation and optimization in the aero design for aeronautical turbines." Doctoral thesis, Politecnico di Torino, 2016. http://hdl.handle.net/11583/2649814.

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In the framework of civil air transportation, the design of turbomachinery components for modern aeronautical engines involves many tough technical issues. In fact, the increasing request for performance, durability, reliability and safety, reducing at the same the production times and design costs, emissions and fuel consumption, is pushing the traditional Turbofan architecture towards its limit. Levering on past experience and legacy is not sufficient for the next generation of engines, therefore the study and introduction of innovative features and technologies is essential. Nevertheless, those innovations must be proven to be effective, initially by a numerical point of view, then experimentally and on-the-field, facing harsh engineering challenges. This Thesis activity, in collaboration with Avio Aero company, presents an innovative vision for the aerodynamic Design System (DS) of one of the most stressed components: the Low Pressure Turbine (LPT) module. The proposed DS shows highly multi-disciplinary interactions and a deep integration with the Computational Fluid Dynamic (CFD). Three key aspects characterize this vision: innovation, automation and optimization. Some innovative features are studied and implemented, especially during the first Concept Design (CD) phase at pitch-line level. In particular, a deep revision of the classic correlations for aerodynamic losses is addressed by a novel conception. This study led to two contributions in international conferences (EASN [Ampellio et al., 2012] and ASME [Ampellio et al., 2013b]). Basically, the formulation of such loss models and the relative coefficients are rearranged and tuned following a CFD-based approach, in order to better fit the fully integrated vision belonging to the proposed DS. The CFD integration is in fact merged at any level, from the concept to details, resulting in a successful strategy to move very quickly the LPT assessment from 1D to 3D. The reliability of the innovative DS as a whole is guaranteed by the development of a dedicated all-inclusive, user-friendly, error-proof, and, above all, highly automated platform, able to efficiently drive the design towards the specific pursued goals with simplicity. Besides, the optimization of turbine modules is a fundamental but difficult step, since it takes into account a huge number of variables, constraints, objectives and parameters. Different optimization methods are suited to the different problems faced during the aero design of a turbomachinery. As a consequence, many algorithms have to be embedded into the DS with cross-functional attitudes, in order to provide the best compromise solution in any situation. In general, the optimization environment for aeronautical turbines is complex and strongly based on time-consuming CFD runs, especially when it comes to Preliminary and Detailed Design (PD, DD). Then, efficient strategies specifically dedicated to expensive simulation-based problems must be adopted, with the aim at minimizing the number of analyses required to solve the problem. A discussion about applied and simulation-based numerical optimization was exposed in a Seminar held at Politecnico di Torino [Ampellio, 2013] and a large part of this dissertation will be focused on the same topic. In this scenario, an original and fast algorithm able to effectively cope with costly problems involving time-consuming analyses is developed. It is a metaheuristic based on swarm intelligence and hybridized with interpolation strategies, i.e., the Artificial super-Bee enhanced Colony (AsBeC) algorithm. Evidences for its numerical validation are discussed and it is compared on different analytical benchmarks and international competitions with other cutting-edge modern algorithms. A first version for the algorithm (ABC+) was applied to aeronautical LPTs for Single-Objective (SO) problems in an international conference proceeding (AIDAA [Ampellio et al., 2013a]), while another interesting Multi-Objective (MO) application is now published in an international Journal (Advances in Aircraft and Spacecraft Science [Ampellio et al., 2016]). Furthermore, the numerical validation of the most recent AsBeC version has been recently published at the prestigious Swarm Intelligence Journal (Springer [Ampellio and Vassio, 2016b]) and the algorithm is also a participant to the CEC 2016 contemporary worldwide competition [Ampellio and Vassio, 2016a]. In the end, some real-world applications for the new DS are reported. The major advantages of the multi-disciplinary fully integrated CFD Design System are highlighted through a notable literature test case and two of the most interesting projects of the last years for aeronautic turbomachinery: advanced high-performance LPT for large Turbofan engines and high-speed LPT for open rotors. Besides, the proposed DS is being recently used by Avio Aero even on cooled High Pressure Turbines (HPT) for the next generation of turboprops. Despite the integrated design vision debated in this Thesis was born and confined to the aero design of aeronautical turbines, the basic principles behind it find a potential application to any engineering discipline and also to many different fields. The hope is to encourage a path towards inclusiveness and multi-disciplinarity during any kind of design, promoting also the extensive use of artificial intelligence in terms of automation and optimization.
3

Chen, Bo. "Stratégies et Management de l'Innovation de Rupture dans les Pays Emergents : le cas du Véhicule Electrique en Chine." Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLX008/document.

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Le marché du véhicule électrique (VE) en Chine est en pleine effervescence, mais les constructeurs occidentaux peinent à y déployer leurs produits. Pourtant, les crédits d’émissions carbone générés par les ventes de VE sont nécessaires à la survie de leur business de véhicules thermiques dans ce marché. Dès lors, quelles sont les pistes stratégiques à fort potentiel pour les constructeurs étrangers ?En collaboration avec Renault et basée sur cinq missions en Chine entre 2012 et 2016, cette thèse CIFRE dresse d’abord un état de l’art de l’opaque marché du VE en Chine, à la fois généré top-down par des initiatives gouvernementales et bottom-up par des VE low-cost et illégaux, les Micro VE. Nous réalisons une typologie des modèles, des usages, des prix et des territoires de déploiement. Alors que le marché subventionné – hors haut de gamme – ne parvient pas à séduire les consommateurs, c’est en bas du marché officiel et chez les Micro VE illégaux qu’un marché naturel se développe, avec plus d’un million de Micro VE vendus sans aides à l’achat à des particuliers depuis 2009.Dans ce contexte institutionnel spécifique et face à cette double incertitude produit et marché, en appui sur les théories de conception innovante, nous développons un cadre théorique d’exploration stratégique basé sur la combinaison systématique de variables stratégiques et leur évaluation. Nous identifions ainsi deux pistes innovantes et non encore engagées par les constructeurs étrangers : « l’autopartage électrique » et le « VE low-cost ».Sur le volet « autopartage électrique », nous comparons Autolib’ (Paris) et United Journey (Shenzhen), deux systèmes en libre-service basés sur des stations qui semblent pointer vers la mobilité du futur et attirent l’attention des autorités chinoises. Toutefois, en plus de la fragilité des modèles d’affaires, cette piste semble difficile à poursuivre pour les acteurs étrangers dû aux protectionnismes locaux et à la complexité des partenariats publics-privés en Chine, souvent basés sur des réseaux d’institutions informelles.Sur le volet « VE low cost », nous approfondissons les connaissances sur le marché illégal des Micro VE. Une enquête de terrain approfondie dans la province du Shandong permet de caractériser le marché ainsi que les scenarios réglementaires de sa légalisation. Ce marché répond à des besoins véritables de mobilité dans les villes chinoises de rang inférieurs. Ces territoires montrent des environnements sociotechniques à forte compatibilité avec le VE. Il y a peu de stations essence, de transports publics et le stationnement y est facile. Les Micro VE sont chargés sur prises 220 V classiques – ce qui résout le problème d’infrastructures de charge – et permettent une véritable mobilité de proximité plus performante que les deux roues électriques. Mais les forces en faveur d’une légalisation du marché des Micro VE ont le potentiel de le détruire, injectant de la technologie et des normes, et donc augmentant les prix. Une opportunité, semble-t-il, pour les acteurs occidentaux maîtrisant le design-to-cost.Enfin, nous caractérisons la globalisation du programme VE de Renault en Chine, au sein de la triple alliance avec Nissan et le partenaire chinois Dongfeng, ainsi que l’ambidextrie organisationnelle qui l’accompagne. Après des tentatives « d’exploitation » de la gamme VE existante en Chine, le président de l’Alliance Renault-Nissan initie un projet « d’exploration », Kwid EV, un VE low cost pour la Chine. C’est l’occasion pour cette thèse de contribuer aux hypothèses initiales sur le bas du marché VE Chine et de caractériser l’hybridation de lignée qui s’opère chez Renault, entre lignée VE (Europe) et lignée low-cost (Kwid en Inde), entre deux parties de l’organisation auparavant disjointes. Le monde devient ainsi un terrain d’expérimentation pour l’innovation en réseau, avec des marchés tests comme la Chine. Il s’agit alors de réussir le premier coup avant d’innover à l’envers
The electric vehicle (EV) market in China is booming, but Western manufacturers are struggling to deploy their models in the world’s largest automotive market. However, carbon credits generated by EV sales are necessary for the survival of their gasoline car business in this market. Thus, what are the high potential strategic opportunities for foreign manufacturers?In collaboration with Renault and based on five missions in China between 2012 and 2016, this CIFRE research first draws a state of the art of the opaque EV market in China, a market generated top-down by government initiatives and bottom-up by a low-cost and illegal EV market (Micro EV). We make a typology of models, usages, prices and deployment territories. While the subsidized market – except for premium cars – fails to appeal to consumers, it is instead at the bottom of the official market and within the illegal Micro EV market that a natural market is developing, with more than a million Micro EV sold, without purchase incentives, to private owners since 2009.In this specific institutional context and taking into account this double product and market uncertainty, we build on innovative design theories to develop a theoretical framework for strategic exploration based on the systematic combination of strategic variables and their evaluation. We identify two innovative routes not yet engaged by foreign manufacturers: "electric carsharing" and "low-cost VE".On the "electric car sharing" side, we compare Autolib’ (Paris) and United Journey (Shenzhen), two self-service stations-based systems that seem to pave the road to the mobility of the future and definitely attract the attention of Chinese authorities because of the technologies involved. However, in addition to the fragility of the business models, this opportunity seems difficult for foreign firms to pursue due to local protectionism and the complexity of public-private partnerships in China, often based on networks of informal institutions.On the "low cost EV" side, we are deepening our knowledge of the illegal micro EV market. A field survey in Shandong Province characterizes the market as well as the regulatory scenarios of its legalization. This market responds to real mobility needs in Chinese lower-tier cities. These territories’ socio-technical environments demonstrate strong compatibility with EV. There are fewer gas stations and public transportation systems than in big cities, and parking is easier. Micro EV are charged thanks to conventional 220 V outlets – which essentially solves the problem of charging infrastructures – and allow a true proximity mobility that is more efficient than electric two-wheelers. But the forces in favor of legalizing the Micro EV market have the potential to destroy it, injecting technology and standards, and thus raising prices. An opportunity, it seems, for Western players mastering design-to-cost methodologies.Finally, we characterize the globalization of Renault's EV program in China, within the triple alliance with Nissan and the Chinese partner Dongfeng, as well as the organizational ambidexterity that accompanies it. After attempts to "exploit" the existing EV range in China, the President of the Renault-Nissan Alliance initiates the launch of an "exploratory" project, Kwid EV, a low-cost EV for China. This is the opportunity for this research to contribute to the initial hypotheses about the lower-end of the Chinese EV market and to characterize the lineage hybridization that takes place at Renault, between the EV lineage (European EV) and the low-cost lineage (Kwid in India), between two disjoined parts of the organization. The world becomes a testing ground for networked innovation, with test markets like China. Then, the goal is to make this first shot succeed before reversing the innovation
4

Medola, Fausto Orsi. "Projeto conceitual e protótipo de uma cadeira de rodas servo-assistida." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/82/82131/tde-07102013-155234/.

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Este trabalho propõe um novo conceito de cadeira de rodas manual ergonômica com assistência motorizada servo controlada. A mobilidade em cadeira propulsionada manualmente é uma das formas mais utilizadas de locomoção entre pessoas com deficiências, porém expõe o usuário ao risco de lesão nos membros superiores e não propicia independência em todas as situações de locomoção diária. A primeira alternativa tecnológica aplicada pelo homem foi a motorização. No entanto, o uso desta não implica em melhora da mobilidade, pois leva o usuário ao sedentarismo. Neste sentido, fazendo a integração do histórico, ergonomia, biomecânica e engenharia mecatrônica, este projeto tem como objetivo o desenvolvimento do projeto conceitual ao protótipo - de uma cadeira de rodas manual com assistência motorizada complementar e proporcional à força propulsora aplicada pelo usuário. O delineamento do projeto envolveu o levantamento das evidências científicas relacionadas aos aspectos da configuração de cadeiras manuais determinantes para a melhoria do desempenho na mobilidade e conforto. A criação do conceito envolveu ainda a realização de estudos complementares dos aspectos mecânicos, ergonômicos e cinemáticos da locomoção em cadeiras manuais. O conceito do protótipo tem seus pilares na: propulsão, através de um servo-motor centralizado que atua nas duas rodas traseiras através de um diferencial mecânico, simplificando o controle da assistência motorizada; no projeto do aro propulsor ortogonal com acoplamento assimétrico com a roda em cambagem, proporcionando melhor acesso das mãos ao aro; projeto do aro propulsor, baseado em aspectos dactilo-anatômicos; projeto e configuração da cadeira, estruturada nas evoluções tecnológicas das cadeiras manuais e adaptada às características antropométricas da população brasileira; assistência motorizada controlada por um sistema de avaliação contínua da inclinação do terreno, forças aplicadas ao aro e o deslocamento angular das rodas medidos por acelerômetro, células de carga e encoder ótico, respectivamente. A efetivação do presente conceito favorece a mobilidade independente do cadeirante, podendo reduzir o custo referente ao uso prolongado de cadeiras manuais: lesão dos membros superiores e incapacidade funcional. Aprimorar a mobilidade de usuários de cadeira de rodas favorece sua independência e participação social, aspectos essenciais para a melhora da qualidade de vida.
This study proposes a new concept of ergonomic manual wheelchair with servo-controlled motor assistance. The mobility in manually propelled wheelchairs is one of the most used means of locomotion among people with disabilities, but it exposes the users to the risk of upper limb injuries and does not provide independence in all the situations of daily locomotion. The first solution applied was the use of a electric-powered motors. However, its usage does not lead to an improvement in mobility and imposes the sedentary condition to the users. Thus, by integrating of the equipment history, ergonomics, biomechanics and mechatronics engineering, this project aims to develop - from the conceptual design to the prototype - a manual wheelchair with complementary motorized assistance that is proportional to the pushing force applied by the user. The project design involved the search for scientific evidences related to the aspects of the wheelchair configuration determinants for the improvement on mobility performance and comfort. The concept creation also involved complementary studies of the mechanics, ergonomics and kinematics of manual wheelchair mobility. The fundamentals of the equipment conception are: propulsion by a servo-motor centrally located that operates the rear wheels by differential transmission. thus simplifying the motor assistance control; the design of an orthogonal handrim coupled to the a cambered wheel, that provides better access of the hands to the rim; the dactyl-anatomical design of the handrim; the wheelchair configuration designed based on the technological evolution of the manual wheelchairs and anthropometric features of the Brazilian population; motor assistance controlled by a system with real-time assessment of the ground slope, handrim forces and angular displacement of the wheels measured, respectively, by accelerometer, load cells and optical encoder. This concept favors the independent mobility of the users and may reduce the cost related to the long term use of manual wheelchairs: upper limb injuries and functional impairment. Improving the mobility of wheelchair users favors their independence and social participation, two essential aspects for the improvement in quality of life.

Books on the topic "Propulsive innovations":

1

Dawson, Virginia P. Engines and innovation: Lewis laboratory and American propulsion technology. Washington, DC: National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division, 1991.

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United States. National Aeronautics and Space Administration., ed. NASA directions in space propulsion for 2000 and beyond. [Washington, DC: National Aeronautics and Space Administration, 1989.

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Myrabo, Leik. The future of flight. New York, N.Y: Baen Books, 1985.

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Mandeles, Mark David. The development of the B-52 and jet propulsion: A case study in organizational innovation. Maxwell Air Force Base, Ala: Air University Press, 1998.

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International Symposium on Windship Technology (1985 Southampton, England). Windship technology: Proceedings of the International Symposium on Windship Technology (Windtech '85), Southampton, U.K., April 24-25, 1985. Amsterdam: Elsevier, 1985.

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Board, United States USAF Scientific Advisory. New world vistas: Air and space power for the 21st century : aircraft & propulsion volume. [Washington, D.C.?]: USAF Scientific Advisory Board, 1996.

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Chernicoff, William P. Clean air program: Design guidelines for bus transit systems using electric and hybrid electric propulsion as an alternative fuel. Washington, D.C.]: Federal Transit Administration, Office of Research, Demonstration, and Innovation, 2003.

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United States. Congress. House. Committee on Science. NASA's Mars program after the Young report, parts I & II: Hearing before the Committee on Science, House of Representatives, One Hundred Sixth Congress, second session, April 12 and June 13, 2000. Washington: U.S. G.P.O., 2001.

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O, Barclay Rebecca, Kennedy John M, United States. National Aeronautics and Space Administration., and United States. Dept. of Defense., eds. NASA/DoD aerospace knowledge diffusion research project.: Results of the phase 1 mail survey--propulsion and aircraft engine perspective. [Washington, D.C.]: National Aeronautics and Space Administration, 1996.

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Pinelli, Thomas E. NASA/DoD aerospace knowledge diffusion research project.: Results of the phase 1 mail survey--propulsion and aircraft engine perspective. [Washington, D.C.]: National Aeronautics and Space Administration, 1996.

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Book chapters on the topic "Propulsive innovations":

1

Bikam, Peter Bitta. "Technology Innovations in Green Transport." In Green Economy in the Transport Sector, 37–49. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-86178-0_4.

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AbstractThe paper uses the case study of Limpopo province to discuss technology innovations in green transport in South Africa with respect to the reduction of global greenhouse emission through technology innovation. South Africa’s emission from fuel combustion is the world’s 15th largest in forms of CO emission because it contributes about 1.2% of global emissions. In a submission from the Department of Environmental Affairs (DEA) on the impact of greenhouse emissions stated that companies are required to be innovative to reduce the carbon emission levels in South Africa. Literature on road transport in South Africa shows that road transport is the fastest growing source of greenhouse gas emissions, accounting for 19% of global energy consumption. The policy to promote an integrated public transport in municipalities is in line with the National Development Plan and the White Paper on National Climate Change Response. This requires innovative technology that promotes carbon trading markets such as taxi recapitalisation programmes and carbon tax on new vehicles. The study analysed the factors influencing green technology innovations in South Africa with specific reference to Limpopo province green transportation study. The methodology used to unpack innovative technology in South Africa discusses green technology in Limpopo province in the context of greenhouse gases emission reduction innovative technologies in the transport sector with respect to sustainable fuels, energy efficient systems and smart information as well as hybrid technologies. The study advances arguments on technologies for engine and propulsion systems, alternative energy sources, navigation technologies, cargo handling systems, heating and cooling vehicles, road and rail vehicles and maritime transportation with respect to innovations as well as battery charging systems, engine oil disposal etc. The findings shows that no single trajectory of technology innovation in green transport will suffice but technological innovations that improve fuel economy and transition from fossil fuels to cleaner fuel alternatives. The study in Limpopo province showed that green transport innovations must not obscure the role of non-technological innovations in reducing emissions, but the two should be tackled with green transport value chain as a whole.
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Chakraborty, Debasis. "CFD Methods in High-Speed Airbreathing Missile Propulsion Design." In Innovations in Sustainable Energy and Cleaner Environment, 263–91. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-9012-8_12.

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Saydam, A. Z., G. N. Küçüksu, M. İnsel, and S. Gökçay. "Investigation of the influence of wind-assisted propulsion devices on hull design." In Sustainable Development and Innovations in Marine Technologies, 211–16. London: CRC Press, 2022. http://dx.doi.org/10.1201/9781003358961-27.

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Fernandes, Solange, José Lucas, Maria José Madeira, Alexandra Cruchinho, and Isabela Dias Honório. "Circular and Collaborative Economies as a Propulsion of Environmental Sustainability in the New Fashion Business Models." In Innovation, Engineering and Entrepreneurship, 925–32. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-91334-6_127.

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Bakica, A., N. Vladimir, and M. Koričan. "Propeller retrofit on a fishing vessel: Self-propulsion CFD simulations with existing and new propeller." In Sustainable Development and Innovations in Marine Technologies, 161–65. London: CRC Press, 2022. http://dx.doi.org/10.1201/9781003358961-21.

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Kahraman, İ., R. T. Azrak, E. Tunca, A. Kutlu, B. Uğurlu, and G. Bilici. "Vibroacoustic noise estimation of a combined elastic submarine-propeller system subjected to the self-propulsion conditions." In Sustainable Development and Innovations in Marine Technologies, 201–8. London: CRC Press, 2022. http://dx.doi.org/10.1201/9781003358961-26.

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Ventikos, N. P., P. Sotiralis, E. V. Stamatopoulou, E. Annetis, E. Filippas, and K. A. Belibassakis. "Operational and economic assessment of the flapping-foil thruster propulsion innovation performance." In Trends in Maritime Technology and Engineering Volume 1, 563–70. London: CRC Press, 2022. http://dx.doi.org/10.1201/9781003320272-63.

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Hordiienko, Oleksandr L., and Andriy V. Pechenyuk. "Development of hull form and propulsion system, optimal for river-sea ships of the northern Black Sea." In Sustainable Development and Innovations in Marine Technologies, 151–58. London: CRC Press, 2022. http://dx.doi.org/10.1201/9781003358961-20.

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Kuang, Ye, Chao Xie, and Si-qi Liu. "A Comparative Study on the Performance Assessment of Two Types of Military Vessel Propulsion Systems Based on ADC Model." In Proceedings of the 6th International Asia Conference on Industrial Engineering and Management Innovation, 849–57. Paris: Atlantis Press, 2015. http://dx.doi.org/10.2991/978-94-6239-148-2_84.

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Urban, Martin. "Modern hybrid propulsion systems for rail and marine applications: environmental and customer benefits through optimized system integration of proven diesel technology with latest electrical innovation." In Proceedings, 185–96. Wiesbaden: Springer Fachmedien Wiesbaden, 2020. http://dx.doi.org/10.1007/978-3-658-31371-5_14.

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Conference papers on the topic "Propulsive innovations":

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Koff, Bernard L. "Producing the World’s Finest Heat Engine." In ASME 2016 Power Conference collocated with the ASME 2016 10th International Conference on Energy Sustainability and the ASME 2016 14th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/power2016-59103.

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The gas turbine is the World’s most complex and versatile heat engine used worldwide for aircraft propulsion, marine applications and power generation. The technology evolution developed since Whittle’s first successful demonstration in 1937 is an exciting story of design innovation using many engineering disciplines. This paper, from a designer’s perspective, covers key design and manufacturing innovations that were developed to produce today’s engines with high specific power, efficiency and durability.
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Ventikos, Nikolaos P., Lokukaluge P. Perera, Panagiotis Sotiralis, Emmanouil Annetis, and Eirini V. Stamatopoulou. "A Life-Cycle Cost Framework for Onboard Emission Reduction Technologies: The Case of the Flapping-Foil Thruster Propulsion Innovation." In ASME 2022 41st International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/omae2022-79031.

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Abstract To deal with the decarbonization challenge in an efficient way in terms of cost-effectiveness, reliability and feasibility for newbuilding and retrofit solutions in maritime industry, Seatech H2020 project develops a flapping-foil thruster propulsion innovation, together with a dual-fuel engine innovation to increase fuel efficiency and reduce emissions. The focus of this study is on the foil thruster, which is arranged at the bow and slightly in front of the ship, and it utilises the energy from wave-induced motions by converting it into thrust. For such innovations, a clear picture of its economic impacts facilitates their adoption. Thus, to deal with the economic aspects, from a life cycle perspective, the paper introduces a life-cycle cost analysis (LCCA) framework, which includes all four phases of the system’s life cycle; construction, operation, maintenance and end-of-life. In the context of the developed framework, the initial challenge for the LCCA exercise is to fully define the design details of the system, which will facilitate the cost approximation, mainly for construction, maintenance and end-of-life phases. The results from the materialisation of the LCCA provide significant insight with respect to the lifecycle costs and may support the decision-making process for newbuilding and retrofitting investments.
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Abensur, Thierry. "Innovation to Improve Nuclear Propulsion Safety." In 41st AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2005. http://dx.doi.org/10.2514/6.2005-3965.

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Bulman, Melvin, and Adam Siebenhaar. "Combined Cycle Propulsion: Aerojet Innovations for Practical Hypersonic Vehicles." In 17th AIAA International Space Planes and Hypersonic Systems and Technologies Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2011. http://dx.doi.org/10.2514/6.2011-2397.

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Carr, Matthew A. "The Impact of Steam Innovations on Ship Design: An Abbreviated History of Marine Engineering." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-43767.

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The adaptation of steam engines for marine propulsion caused a dramatic shift in naval and commericial ship design during the 19th Century. The transition from sail to steam hastened the demise of several classes of ships and altered shippings routes from the trade winds to great circle routing. The conduct of naval warfare was always influenced by the limits of available propulsion technology. Throughout maritime history, innovative naval commanders sought ways to overrun, outmaneuver, and outlast their opponents. Coincident developments in armaments and armor, facilitated by this “new” propulsion technology, rendered the world’s sailing navies largely obsolete within a relatively brief period of the 19th Century. This presentation highlights the major technological advances in steam propulsion from the early combination of low-speed single-acting reciprocating engines driving paddle wheels through high-speed turbines and reduction gears driving multiple-blade variable-pitch propellers; and, boilers heated by hand-fed wood and coal through nuclear fission.
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Romodina, Maria N., Shangran Xie, Francesco Tani, and Philip St J. Russell. "Backward Rocket Propulsion of Particles Optically Trapped in Hollow-core Photonic Crystal Fiber." In CLEO: Science and Innovations. Washington, D.C.: Optica Publishing Group, 2023. http://dx.doi.org/10.1364/cleo_si.2023.sth1g.4.

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Single particles, optically levitated in the hollow core of a photonic crystal fiber, are impulsively propelled backwards at very high speed by the ablation jet created by incidence of a single femtosecond pulse.
7

Wells, S., L. Stodghill, and S. Schoemaker. "The Evolved Expendable Launch Vehicle - Affordability through innovation." In 35th Joint Propulsion Conference and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1999. http://dx.doi.org/10.2514/6.1999-2623.

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Nguyen, Bao, Khulood Faruqui, Luis R. Robles, Johnny Ho, Geoffrey Wagner, Jeremy Surmi, Ashley Carter, et al. "Overview of Current Hybrid Propulsion Research and Development." In ASME 2017 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/imece2017-72429.

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As dwindling federal funding continues to constrict the national space program, private entities have carried the torch of innovation in the aerospace industry. While the concept of hybrid rocket engines, systems where solid fuels and fluid oxidizers are used for combustion, was conceived during the mid-20th century, the aerospace industry only recently has substantially increased research and development of these engines. According to the literature, hybrids are safer and cheaper than their liquid counterparts due to the utilization of solid fuel and generally provide greater values of specific impulse, density specific impulse, and fuel energy density than traditional solid-fuel engines. This paper provides an overview of the design principles used to develop hybrid engines and discusses limitations currently faced by industry. Furthermore, development of hybrid engines to allow for both scalability and reusability are explored as private aerospace companies continue to demonstrate that reusable rockets are the future of rocket technology. With applications catering from low-payload cargo delivery to the increasing interest in space tourism and exploration, hybrid engines can provide a safer, less expensive solution than traditional and well-established engine selections. Suggestions for future design opportunities and methods are proposed and discussed to make the concept of hybrid engines a viable innovation in the future of rocketry.
9

Scoccimarro, Dario. "VEGA new first stage: P105 SRM - Overview of Technological innovations." In 50th AIAA/ASME/SAE/ASEE Joint Propulsion Conference. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2014. http://dx.doi.org/10.2514/6.2014-3891.

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Makkar, I. S., and OP Sha. "Numerical Self Propulsion Simulation and Propeller Induced Vibration Study." In ICSOT India: Technical Innovation in Shipbuilding. RINA, 2013. http://dx.doi.org/10.3940/rina.icsotin.2013.14.

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Reports on the topic "Propulsive innovations":

1

Mandeles, Mark D. The Development of the B-52 and Jet Propulsion: A Case Study in Organizational Innovation. Fort Belvoir, VA: Defense Technical Information Center, March 1998. http://dx.doi.org/10.21236/ada341727.

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Zhang, Yangjun. Unsettled Topics Concerning Flying Cars for Urban Air Mobility. SAE International, May 2021. http://dx.doi.org/10.4271/epr2021011.

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Flying cars—as a new type of vehicle for urban air mobility (UAM)—have become an important development trend for the transborder integration of automotive and aeronautical technologies and industries. This article introduces the 100-year history of flying cars, examines the current research status for UAM air buses and air taxis, and discusses the future development trend of intelligent transportation and air-to-land amphibious vehicles. Unsettled Topics Concerning Flying Cars for Urban Air Mobility identifies the major bottlenecks and impediments confronting the development of flying cars, such as high power density electric propulsion, high lift-to-drag ratio and lightweight body structures, and low-altitude intelligent flight. Furthermore, it proposes three phased goals and visions for the development of flying cars in China, suggesting the development of a flying vehicle technology innovation system that integrates automotive and aeronautic industries.

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