Journal articles on the topic 'Innovations propulsives'
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1
Martinazzo, Francesco. "INNOVATION AND CHANGES IN THE DIDACTIC SPACE." MATTER: International Journal of Science and Technology 8, no. 1 (March 15, 2022): 33–51. http://dx.doi.org/10.20319/mijst.2022.81.3351.
Abstract:
In Italy, the theme of the school, and more generally of education in the broadest sense, already in turmoil before the epidemic, seems to be exploding today in all its urgency, both because of the instances - above all pedagogical - of transformation brought by the pandemic itself (which from this point of view has acted as a catalyst), and because of the uncertain consequences of a building heritage that now largely needs to be restored, because it is architecturally and technologically inadequate. This has led to the structuring of a literature review that takes into account two main time spans: on the one hand, that of the 1960s-1970s (often called "the golden age of school"), investigated through the international architectural journals of that period, where the typology-technology problem emerges strongly; on the other hand, the selection (through Scopus, WoS, etc.) of current or recent studies and pedagogical experiences related to new technologies. The criterion for the choice of case studies is therefore based on their propulsive potential in relation to today's transformation needs, seeking to consider the school as an organism and not merely as a set of functional parts (as much current literature does).
2
Martinazzo, Francesco. "INNOVATION AND CHANGES IN THE DIDACTIC SPACE." MATTER: International Journal of Science and Technology 8 (March 15, 2022): 33–51. http://dx.doi.org/10.20319/mijst.2022.8.3351.
Abstract:
In Italy, the theme of the school, and more generally of education in the broadest sense, already in turmoil before the epidemic, seems to be exploding today in all its urgency, both because of the instances - above all pedagogical - of transformation brought by the pandemic itself (which from this point of view has acted as a catalyst), and because of the uncertain consequences of a building heritage that now largely needs to be restored, because it is architecturally and technologically inadequate. This has led to the structuring of a literature review that takes into account two main time spans: on the one hand, that of the 1960s-1970s (often called "the golden age of school"), investigated through the international architectural journals of that period, where the typology-technology problem emerges strongly; on the other hand, the selection (through Scopus, WoS, etc.) of current or recent studies and pedagogical experiences related to new technologies. The criterion for the choice of case studies is therefore based on their propulsive potential in relation to today's transformation needs, seeking to consider the school as an organism and not merely as a set of functional parts (as much current literature does).
3
Martin, James C., Christopher J. Davidson, and Eric R. Pardyjak. "Understanding Sprint-Cycling Performance: The Integration of Muscle Power, Resistance, and Modeling." International Journal of Sports Physiology and Performance 2, no. 1 (March 2007): 5–21. http://dx.doi.org/10.1123/ijspp.2.1.5.
Abstract:
Sprint-cycling performance is paramount to competitive success in over half the world-championship and Olympic races in the sport of cycling. This review examines the current knowledge behind the interaction of propulsive and resistive forces that determine sprint performance. Because of recent innovation in field power-measuring devices, actual data from both elite track- and road-cycling sprint performances provide additional insight into key performance determinants and allow for the construction of complex models of sprint-cycling performance suitable for forward integration. Modeling of various strategic scenarios using a variety of field and laboratory data can highlight the relative value for certain tactically driven choices during competition.
4
Siqintana, Siqintana, Oyuntsetseg Luvsandondov, Batkhuyag Ganbaatar, Saiyinjiya Saiyinjiya, and Bolor Khurelchuluun. "Evaluation of Policy Implementation to Support Innovation in Industrial Sector: A Case Study of the Textile Industry in Inner Mongolia, China." International Journal of Science and Business 28, no. 1 (2023): 34–55. http://dx.doi.org/10.58970/ijsb.2233.
Abstract:
In the contemporary context, innovation stands as the primary propulsive agent in steering the course of social and economic advancement within any given nation. In accordance with prevailing global trends, nations have attained noteworthy accomplishments through the formulation and execution of innovation policies designed to enhance the progress of their domestic and sector-specific landscapes. The efficacy of any policy hinges upon its formulation with a forward-looking vision, steadfast implementation, and rigorous evaluation of outcomes. Innovation policy, as a pivotal instrument, assumes a guiding role in the advancement of a nation, region, and industry, informed by scientific and technological achievements, knowledge reservoirs, and innovative endeavors. Commencing in the latter part of the 1970s, China embarked upon a trajectory characterized by the implementation of an open economic policy. Within this overarching framework, notable emphasis has been placed on the widespread assimilation of scientific and technological progress, with particular emphasis on the industrial domain. This commitment to fostering technological prowess culminated in the formal adoption of the "Innovation-Oriented Economic Development Strategy" in the year 2006. This milestone document represents the government's inaugural articulation of its primary policy directive pertaining to innovation-driven economic development. The focus of this study centers on the examination of relatively large factories engaged in the production of wool and cashmere products within the textile industry of Inner Mongolia, China. The research encompasses an investigation into the developmental experiences related to innovation within this sector. Furthermore, it includes an analysis of the innovation policy endorsed by the government for this industry, along with an evaluation of its practical implementation.
5
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.
Abstract:
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.
6
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.
Abstract:
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.
7
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.
Abstract:
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.
8
M, Moulitharan, Lekha T, and Madhan Kumar G. "A Review of Various Control Algorithms Used for a Solid Rocket Motor to Achieve Vertical Takeoff and Vertical Landing." International Journal of Recent Technology and Engineering (IJRTE) 11, no. 4 (November 30, 2022): 68–73. http://dx.doi.org/10.35940/ijrte.d7337.1111422.
Abstract:
The goal of this paper is to provide a critical review of different guidance, navigation and control (GNC) schemes that can achieve vertical take-off/ vertical landing (VTVL), which is where a rocket takes off and lands propulsively, using a model rocket. Reusable launch vehicles (RLVs), many of which use VTVL, could lower costs, decrease waste and allow for more scientific research extraterrestrially. Existing research typically only presents an attitude controller, which is insufficient for VTVL, whilst our main contribution is presenting GNC schemes for VTVL and comparing them to determine the best. The schemes are simulated with varying parameters to test the robustness and to evaluate their performance, with linear control and non-linear navigation and guidance perform the ing best.
9
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.
Abstract:
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.
10
Maris, Martin. "Propulsive forces of economic growth in Slovakia: the inference from the input-output table data." Entrepreneurship and Sustainability Issues 9, no. 1 (September 30, 2021): 255–67. http://dx.doi.org/10.9770/jesi.2021.9.1(15).
11
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.
Abstract:
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.
12
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.
Abstract:
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.
13
Ferreira, Eduardo Mohana Silva, Enaire de Maria Sousa da Silva, and Railson Marques Garcez. "CIÊNCIA, TECNOLOGIA E INOVAÇÃO (CT&I) COMO PROXY PARA UMA ESTRATÉGIA NACIONAL DE DESENVOLVIMENTO ECONÔMICO E SOCIAL." Mundo Econômico 9, no. 1 (2023): 42–58. http://dx.doi.org/10.47592/mundec09015022.
Abstract:
RESUMO O país tem experimentado muitas iniciativas estratégicas em direção ao desenvolvimento nacional. Do Plano SALTE aos PPAs, o Brasil vem, a cada período de sua história econômica, desenvolvendo projetos, programas e planos que concorrem para o seu desenvolvimento econômico e social. Este estudo apresenta as principais estratégias nacionais para a promoção do desenvolvimento econômico e social do Brasil: E-digital, Encti e Endes. A partir de uma metodologia teóricobibliográfica foi possível compreender que as estratégias nacionais, delineadas para uma economia mais digitalizada, consideram iniciativas no campo da ciência, tecnologia e inovação (CT&I) como motores propulsores, proxies, para o aumento de produtividade, complexidade econômica e alcance de um desenvolvimento socioeconômico mais inclusivo e sustentado. Diante de um contexto nacional de crise, são necessárias medidas estratégicas de longo prazo que ajudem a retomar o processo de crescimento da economia. Mas, investimentos em CT&I, com resultados concretos, talvez sejam o caminho a ser perseguido. Palavra-chave: Inovação; Tecnologia; Estratégia; Desenvolvimento. ABSTRACT The country has experienced many strategic initiatives toward national development. From the SALTE Plan to the PPA’s, Brazil has, at each period of its economic history, developed projects, programs and plans that contribute to its economic and social development. This study presents the main national strategies for the promotion of economic and social development in Brazil: E-digital, Encti and Endes. Based on a theoretical and bibliographical methodology, it was possible to understand that the national strategies, designed for a more digitized economy, consider initiatives in the field of science, technology and innovation (ST&I) as propulsive engines, proxies, for increasing productivity, economic complexity, and achieving a more inclusive and sustained socioeconomic development. Facing a national context of crisis, long-term strategic measures are necessary to help resume the process of economic growth. More investments in ST&I, with concrete results, may be the path to be pursued. Keywords: Innovation; Technology; Strategy; Development
14
La Luna, Simone, Nicola Foletti, Luca Magni, Davide Zuin, and Filippo Maggi. "A Two-Phase Mass Flow Rate Model for Nitrous Oxide Based on Void Fraction." Aerospace 9, no. 12 (December 15, 2022): 828. http://dx.doi.org/10.3390/aerospace9120828.
Abstract:
In the field of space propulsion, self pressurized technology is an example of innovation capable of improving system performances through reduction of volumes and other optimizations. Potential applications are widespread and not limited to the propulsion panorama: from on-orbit maneuvering to in-orbit servicing, from refueling of satellites at the end of life to in situ resource exploitation for missions headed towards remote objects of the solar system. However, important drawbacks have been reported for these systems: modeling of fluids and thermal phenomena is complex, thus preventing accurate performance predictions. As a result, no comprehensive and accurate model capable of describing the dynamics of a self-pressurizing propellant tank has been developed so far. In this context, this paper proposes a two-phase mass flow rate model based on void fraction. N2O has been selected due to its use as a green and self-pressurized propellant for in-space propulsive applications. The aim of this paper is to describe the current mass flow rate models present in the literature for this fluid and compare the new model with the one proposed by Dyer. A model validation is also offered, and a test campaign is mentioned. Finally, preliminary results are shown and discussed: results are then compared with the ones obtained through the Dyer model, in order to retrieve a comprehensive comparison among the two simulation frameworks. Comments on the results are added, showing the improvements as well as the limitations of the proposed framework.
15
Alves, Pedro, Miguel Silvestre, and Pedro Gamboa. "Aircraft Propellers, an Outdated Innovation?" KnE Engineering, June 2, 2020. http://dx.doi.org/10.18502/keg.v5i6.7096.
Abstract:
The race for speed ruled the early Jet Age on aviation. Aircraft manufacturers chased faster and faster planes in a fight for pride and capability. In the early 1970s, dreamed that the future would be supersonic, but fuel economy and not acceptable noise levels made that era never came. After the 1973 first oil crisis, the paradigm changed. The average cruise speed on newly developed aircraft started to decrease in exchange for improvements in many other performance parameters. At the same pace, the airliner’s powerplants are evolving to look more like a ducted turboprop, and less like a pure jet engine as the pursuit for the higher bypass ratios continues. However, since the birth of jet aircraft, the propeller-driven plane lost its dominant place in the market. Associated with the idea of going back to propeller-driven airplanes, and what it represented in terms of modernity and security, it started a propeller avoidance phenomenon on the travelers and thus on the airlines. Today, even with the modest research effort since the 1980s, the advanced propellers are getting closer efficiencies to the jet-powered engines at their contemporary typical cruise speeds. This paper gives a brief overview of the performance trends in aviation since the last century. Comparison examples between aircraft designed on different paradigms are presented. The use of propellers as a reborn propulsive device is discussed.
Keywords: Propeller, Aircraft, Turboprop, Flight efficiency, Flight speed
16
Wang, Yunhui, Yihua Chen, and Zhiying Li. "Escaping poverty: changing characteristics of China’s rural poverty reduction policy and future trends." Humanities and Social Sciences Communications 11, no. 1 (May 30, 2024). http://dx.doi.org/10.1057/s41599-024-03204-0.
Abstract:
AbstractEliminating poverty is a shared aspiration of people worldwide. This article analyzes 762 rural poverty-related texts promulgated and implemented by the Chinese Government since 1984 using content analysis based on a three-dimensional framework encompassing the time of policy issuance, policy goals, and types of policy instruments. The study outlines the overall landscape and evolutionary context of the policy system. The results show that, during absolute poverty governance, China’s rural poverty governance can be broadly divided into three stages: regional development-oriented poverty alleviation, comprehensive poverty alleviation, and targeted poverty alleviation. Based on the production-oriented welfare model, economic development became the primary goal of poverty alleviation policies, while insufficient attention was given to service support and capacity-building goals. The alleviation of poverty mainly relied on the propulsive force generated by supply-side policy instruments led by the Government and the external driving force generated by environmental policy instruments, with a significant deficiency in the propulsive force produced by demand-side policy instruments. Entering the phase of relative poverty governance, optimizing poverty governance policy instruments requires breaking free from path dependence, following the evolutionary pattern of poverty governance. It involves ensuring that policy instruments support economic development while emphasizing addressing service support and capacity-building goals. It is crucial to increase the frequency of using demand-side policy instruments, stimulate their pulling force on poverty alleviation, and achieve a trend of evolutionary innovation and the collaborative governance of policy instruments.
17
Mo, Jixue, Jingcheng Xiao, Feng Lin, Yao Li, and Zhendong Song. "Study of a new water jet thruster for robotic returnable jumping." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, December 3, 2020, 095440622097543. http://dx.doi.org/10.1177/0954406220975438.
Abstract:
A novel water jet thruster which is capable of conducting two sequential jumps is proposed for the amphibious jumping robot. The proposed water jet thruster adopted a unique structural design with a double-layered tank. Liquid nitrogen was injected to the tank to pressure the propellant water and generate propulsive force, which is safe and effective for both aquatic and terrestrial environment. Then a theoretical jumping model was built to evaluate the performances of two jumping actions. According to the tethered thrust measurement and free jumping experiments, the estimation from the model met well with their experimental verifications. Moreover, CFD simulation was conducted to compare the emission process of inner and outer chambers in detail. We believe the demonstration of the novel thruster would drive the innovation of future amphibious robots that capable of leaping from both aquatic and terrestrial environments.
18
Bellomo, Nicolas, Mirko Magarotto, Marco Manente, Fabio Trezzolani, Riccardo Mantellato, Lorenzo Cappellini, Devis Paulon, et al. "Design and In-orbit Demonstration of REGULUS, an Iodine electric propulsion system." CEAS Space Journal, June 7, 2021. http://dx.doi.org/10.1007/s12567-021-00374-4.
Abstract:
AbstractREGULUS is an Iodine-based electric propulsion system. It has been designed and manufactured at the Italian company Technology for Propulsion and Innovation SpA (T4i). REGULUS integrates the Magnetically Enhanced Plasma Thruster (MEPT) and its subsystems, namely electronics, fluidic, and thermo-structural in a volume of 1.5 U. The mass envelope is 2.5 kg, including propellant. REGULUS targets CubeSat platforms larger than 6 U and CubeSat carriers. A thrust T = 0.60 mN and a specific impulse Isp = 600 s are achieved with an input power of P = 50 W; the nominal total impulse is Itot = 3000 Ns. REGULUS has been integrated on-board of the UniSat-7 satellite and its In-orbit Demonstration (IoD) is currently ongoing. The principal topics addressed in this work are: (i) design of REGULUS, (ii) comparison of the propulsive performance obtained operating the MEPT with different propellants, namely Xenon and Iodine, (iii) qualification and acceptance tests, (iv) plume analysis, (v) the IoD.
19
"CREATIVE ECONOMY IN ECONOMIC DEVELOPMENT OF CROATIA." Geografski pregled 40 (2019): 21–37. http://dx.doi.org/10.35666/23038950.2019.40.21.
Abstract:
Creative economy is one of the most propulsive sectors, which share in global economy as well as national ones continuously grows (Jones et al., 2016). Within the territory of 28 EU member states it participates with 4.5% of GDP and employs 3.8% of total workforce (https://ec.europa.eu/eurostat, 2017). Axis of creative economy development is made of cultural and creative industries that are generators of new technologies, innovation and media. This paper analyses cultural and creative industry in the Republic of Croatia, as well as their role in economic and social development of the country. Cultural and creative industry (CCI) are directed towards highly educated workforce of tertiary education, digital society and 4.0 Globalisation. People employed in CCI in the Republic of Croatia are at the EU average with 3.6% of total workforce (2017) and with 50% of employed with tertiary education (https://ec.europa.eu/eurostat, 2017). CCI are important in expressing identity of the people but they are also an engine of economic growth (HKKI, 2015).
20
Lo Presti, Veronica. "The social impact of distance learning in Roman schools: “Success,” social innovation, teaching practices." Frontiers in Sociology 8 (April 5, 2023). http://dx.doi.org/10.3389/fsoc.2023.1141435.
Abstract:
Faced with the national emergency linked to the spread of COVID-19 in Italy, digital technologies have made it possible to carry out the ordinary activities of the various educational agencies through the main tool of Distance Learning (DaD). The intensive use of information and communication technologies (ICT) and the guarantee of accessibility represent an enabling prerogative for current education systems, enriching training in a variety of ways and opportunities which must be accessible to all. ICTs take on a propulsive function for change in schools because they make it possible to affect the school setting, to transform the learning environment by redesigning space, reorganizing time, modifying communication and socialization processes, encouraging, in students, the development of key competencies in digital literacy and media education. Considering the context of a school transformed and renewed by the teaching and training potential of ICT, it becomes central to reconstruct the requests and needs developed by the practitioners of educational policies to cope with the reorganization of teaching methods and times at the time of DaD. Starting from these premises, the paper focuses attention on the social impact (Stern, 2016) of DaD to evaluate: the extent and intensity of the methodological-didactic innovation required of teachers for the organization and conducting remote lessons; the increase—in students—of transversal and digital literacy skills (team working, problem solving, etc.) potentially associated with the use of ICTs; the involvement and collaboration of families in the process of assessing and verifying learning. The reflection is part of a broader research project by the University of Sapienza University of Rome entitled “The social impact assessment of DaD after COVID-19”; a 3 year evaluation research addressed to a typological sample of upper secondary schools in Rome classified on the basis of the Infrastructure and Equipment indicator of the Rav and the social effect of the school (school effect) on the academic performance of students in the tests Invalsi. The evaluation aimed to identify—from the DaD experience—indications useful in re-designing the school's intervention strategy in the phases following the pandemic; for this reason it adopted an analysis perspective that valorized the positive and most successful aspects in the testimonies of the teachers and students involved in the first phase of the research (conducted in May–June 2021). Within the framework of the Positive Thinking Evaluation, the empirical evidence—collected through the administration/conduction of semi-structured interviews, focus groups, online ethnographic observation of the lessons in DaD—will allow us to reflect on some dimensions of success and of particular social innovation for the teachers' teaching practices and the students' learning processes in DaD. In the Positive Thinking Evaluation, success is a positive effect (not just a “good practice”), even an unexpected one, of an activity that has produced a positive change in the context of program implementation.
21
Zellmer, Florian, Markus Löffler, Markus Schneider, and Christian Kreischer. "An augmented multiphase rail launcher with a modular design: theoretical considerations and development." COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, January 11, 2023. http://dx.doi.org/10.1108/compel-08-2022-0261.
Abstract:
Purpose The purpose of this paper is to investigate a novel approach toward electromagnetic launch. Design/methodology/approach The field of linear electromagnetic acceleration aims at accelerating macroscopic masses (up to several kg) to speeds in excess of 2 km/s. This can be achieved using accelerators of the railgun type. The innovation of this work lies in the use of multiphase current instead of the classically used quasi-direct current (DC). The approach taken is to work out in a first step the potential performance of such a configuration, for example, by showing that a constant propulsive force can be realized. Next, the necessary changes for the system setup were carefully analyzed. Both the accelerator and the power supply have to be considerably modified with regard to the classical approach. Findings Thorough analysis of the electromagnetic behavior of the launcher including nonlinear effects lead to an innovative system design which is considered to be the main finding of the work presented here. Moreover, a prototype was build. The preliminary experimental results obtained are in very good agreement with corresponding simulations validating the underlying modeling approach. Research limitations/implications For the purpose of this paper, power levels of only 450 kVA are considered. However, this research can be used to design more powerful devices in the future. Originality/value While DC powered railguns are modeled very well in a variety of papers, the use of multiphase alternating current is not very well discussed yet. It could be of value for launch scenarios, for which very high speeds are required such as the launch of micro satellites to space.
22
Facioni, Carolina, and Roberto Paura. "Re-discovering Aurelio Peccei’s contribution to Futures Studies." European Journal of Futures Research 10, no. 1 (April 29, 2022). http://dx.doi.org/10.1186/s40309-022-00193-8.
Abstract:
AbstractThis work aims to enhance the contribution of Aurelio Peccei to Futures Studies and its unaltered relevance in the light of the world’s current scientific issues. Peccei’s contribution in Futures Studies is often identified with his propulsive role in the birth of the Club of Rome (1968) and in the promotion of the report “The Limits to Growth” (1972). Although this would be enough to make him a central figure in the history of Futures Studies, his whole intellectual journey is worth emphasizing. This work focuses on the “epistemic impact” of Peccei in the field research on possible futures. Peccei not only argued the fundamental need to translate complexity into a forecasting model: as an ante litteram anticipator, he dedicated his life to seek a development model respecting both the human tendency towards constant evolution and biosphere. A theoretical impact that allowed many fundamental UN initiatives—from the 1987 Report of the World Commission on Environment and Development to the 2015 Report on Sustainable Development Goals (SDGs)—and also helped the development of a forward-looking social research.
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Adzic, Sofija, Radovan Pejanovic, and Branko Medojevic. "Education, Labour Market and Reindustrialization - Case of Serbia / Obrazovanje, tržište rada i reindustrijalizacija – slučaj Srbije." Croatian Journal of Education - Hrvatski časopis za odgoj i obrazovanje 15 (May 31, 2013). http://dx.doi.org/10.15516/cje.v15i0.335.
Abstract:
AbstractThis paper is the result of research about the role of the education system in initializing and realization of the reindustrialization project in Serbia towards the European concept of endogenous, auto-propulsive and self-sustainable development, based on scientific knowledge. An appropriate methodology was developed for the needs of this research. Its key feature is that the strategy for the system modernization should be defined as a combination of a normative and growth strategy, since an industrial enterprise is supposed to become a (virtual) school. The key outcome is that the education system has two assignments. The first one is that smaller modifications of its own resources in order to provide support to the offer on the labour market will enable the beginning of the project of reindustrialization of Serbia in 2020. The second is that by 2020 a workforce will have been created from the scarce work contingent of people born after 1990 who will have the flexibility, innovation and ability to become involved into new processes and with products which will enable the further implementation of the industrialization process in Serbia.Key words: education for European and global labour market; higher and lifelong education; medium system; modernization strategies; reindustrialization; self-organisation---Sažetak Ovaj rad rezultat je istraživanja o ulozi obrazovnog sustava u pokretanju i realizaciji projekta reindustrijalizacije u Srbiji da bi se dosegao europski pojam endogenog, samopokretačkog i samoodrživog razvoja, utemeljen na znanstvenom znanju. Za potrebe istraživanja osmišljena je odgovarajuća metodologija. Njezina je glavna značajka da bi se strategija osuvremenjivanja sustava trebala opisati kao kombinacija normativne strategije i strategije rasta, budući da bi industrijsko poduzeće trebalo postati virtualna škola. Ključni rezultat upućuje na to da obrazovni sustav ima dva bitna zadatka. Prvi je zadatak da se manjim preinakama vlastitih resursa, a da bi se podržala ponuda na tržištu rada, omogući početak projekta reindustrijalizacije Srbije 2020. godine. Drugi je da će se do 2020. stvoriti takva radna snaga iz oskudne radne snage ljudi rođenih nakon 1990. koja će imati fleksibilnost, pokazati inovacije i sposobnost uhvatiti se u koštac s novim procesima i proizvodima koji će omogućiti daljnju provedbu procesa industrijalizacije Srbije.Ključne riječi: obrazovanje za europsko i svjetsko tržište rada; reindustrijalizacija; samoorganizacija; srednji sustav; strategije osuvremenjivanja; visoko i cjeloživotno obrazovanje
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"Preface." IOP Conference Series: Materials Science and Engineering 1259, no. 1 (October 1, 2022): 011001. http://dx.doi.org/10.1088/1757-899x/1259/1/011001.
Abstract:
Advances in Mechanical Engineering in both fundamentals and applied research are going to facilitate the new digital era of automated machines & manufacturing processes to expedite local socio-economic development. These advances are going to be integrated in the near future for development of new manufacturing processes and new digital automated world. They will be important part of the automotive technology, advance machining processes, renewable energy sources, IOT based mechanical controls, aviation technology & electric vehicles etc. However, advance design and analysis methods, bio medical implant’s by additive manufacturing, advance materials, MEMS, advances in propulsions and power concepts, advance aerodynamics and CFD, FEA optimization, vibration and acoustics, virtual instrumentation with IOT, robotics are key challenges, and they need to be solved through advances in Mechanical engineering through focused and integrated efforts with the use of smart technologies. These advance technologies performs an important role in the ‘Digital Technology Transformation’ to integrate environmental friendly Mechanical systems (e.g. Industry Automation, Advance Energy conversion, Robotics, New Modeling and simulation methods etc.) for the sustainable development. The necessity for ‘Advance Mechanical systems’ is broadly understood and shared, as the world starts to embrace a transition towards new methods and technology for sustainable development in Industry 4.0. As the Editors of the Proceeding of ICAME-2022 in IOP Conference series Material Science & Engineering Journal (ISSN: 1757-899X), we wish to express sincere gratitude to the authors for diligent research dissemination as well as to the reviewers for providing constructive and critical comments in improving the quality of the selected articles. The objective of this volume is to present advancements in advance technologies for environment friendly automation systems and their management, policies for making an energy transition towards sustainable societies. The ICAME-2022 is a major multidisciplinary sustainable engineering conference organized with the objective of bringing together academia, industry practitioners and engineering graduates to analyze scientific studies focusing on advance mechanical system design and analysis with IOT controls and smart material concepts to integrate the relationship among them. The ICAME-2022 is envisioned to analyze the increasing penetration of environment friendly technologies with energy efficiency and management as central topics with effective participation from the academicians, industry practitioners, governmental policy makers, as well as of community service providers. The ICAME-2022 has been jointly organized by G H Raisoni College of Engineering (GHRCE) Nagpur & G H Raisoni Institute of Engineering Technology (GHRIET)Nagpur, India on 27-28 May 2022. As editor(s) of this ICAME-2022, we want to tribute deep sense of appreciations to the international Publishing agency IOP Science for acceptance of our presented papers in IOP Conference Series, Material Science & Engineering Journal. We wish to express our sincere appreciation to the authors, plenary speakers, presenters, participants, supporters, reviewers, technical committee members as well as the entire team of G. H. Raisoni College of Engineering(GHRCE), Nagpur & G H Raisoni Institute of Engineering & Technology(GHRIET), Nagpur(INDIA). We are very grateful to Shri Sunil Raisoni, Chairperson of the Raisoni Group of Institutions; Dr. Sachin Untawale, Director, GHRCE, Nagpur; Dr. Vivek Kapur, Director, GHRIET, Nagpur, Dr. P.V. Walke, Dr. S.B. Jaju, Dr. R.S. Shelke, Dr. Vinod Bhaiswar, Dr. Abhay Khalatkar, Dr. Dheeraj Deshmukh, Dr. A. S.Raut, Mr. Amol Pitale, Dr.A.K. Mahalle, Dr. Manish Gupta, Dr. V. W. Khond, Mr. T.C. Parshiwankar, Dr. A. S. Shahare and the ICAME-2022 organizing committee members for contributing effectively in making the ICAME-2022 and publication of the volume in IOP Proceedings successful. We strongly believe that the ICAME-2022 has provided an effective platform to integrate academia, industry practitioners and engineering graduates to share their research and innovations for the sustainable development of the society.