Relevant bibliographies by topics / Dynamic sector configuration

Contents

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

Academic literature on the topic 'Dynamic sector configuration'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Dynamic sector configuration"

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Kulkarni, Sameer, Rajesh Ganesan, and Lance Sherry. "Dynamic Airspace Configuration Using Approximate Dynamic Programming." Transportation Research Record: Journal of the Transportation Research Board 2266, no. 1 (2012): 31–37. http://dx.doi.org/10.3141/2266-04.

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On the basis of weather and high traffic, the Next Generation Air Transportation System envisions an airspace that is adaptable, flexible, controller friendly, and dynamic. Sector geometries, developed with average traffic patterns, have remained structurally static with occasional changes in geometry due to limited forming of sectors. Dynamic airspace configuration aims at migrating from a rigid to a more flexible airspace structure. Efficient management of airspace capacity is important to ensure safe and systematic operation of the U.S. National Airspace System and maximum benefit to stakeh
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Zou, Xiang, Peng Cheng, Bang An, and Jingyan Song. "Sectorization and Configuration Transition in Airspace Design." Mathematical Problems in Engineering 2016 (2016): 1–21. http://dx.doi.org/10.1155/2016/6048326.

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Current airspace is sectorized according to some predefined rules that are not flexible. To facilitate utilizing the airspace more efficiently, methods to design sectors need to be promoted. In this paper, we propose an undirected graph cut-based approach that employs a memetic local search-embedded constrained evolution algorithm, NSGA-II, to generate nondominated airspace configurations. We also propose a new concave hull-based method to automatically depict sector boundaries. In addition, we also study the configuration transition problem. We define the similarity of the two different confi
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Gine Das Prena and Ketut Tanti Kustina. "Relationship Of Intellectual Capital To Dynamic Capabilities In Village Credit Institutions." GIS Business 15, no. 1 (2020): 95–108. http://dx.doi.org/10.26643/gis.v15i1.17894.

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The focus and point of view on this study was the ability of organizational resources (research Base Value/RBV). It was related how the dynamic capability of an organization, especially the village credit institution from the intellectual capital perspective. This research was conducted to get a new update on how the unique configuration of intellectual capital can enhance the ability of companies to empower their dynamic capabilities in order to win the market for the micro finance sector in Bali. In order to identify and formulate the relationship between human capital, social capital, and o
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Elia, Valerio, Maria Grazia Gnoni, and Fabiana Tornese. "Designing a sustainable dynamic collection service for WEEE: an economic and environmental analysis through simulation." Waste Management & Research: The Journal for a Sustainable Circular Economy 37, no. 4 (2019): 402–11. http://dx.doi.org/10.1177/0734242x19828121.

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The integration of economic and environmental objectives is crucial in the waste collection sector, especially for flows characterized by a high economic value like waste from electric and electronic equipment (WEEE). WEEE needs a complex and flexible reverse logistics system to face high uncertainty and variability of waste flows, while keeping a high efficiency. A few efforts in the literature have focused on planning an efficient collection service on a local scale. In this paper, a simulation-based methodology is adopted to compare different alternatives for a WEEE collection service in It
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Rey-Garcia, Marta. "Foundations in Spain: An International Comparison of a Dynamic Nonprofit Subsector." American Behavioral Scientist 62, no. 13 (2018): 1869–88. http://dx.doi.org/10.1177/0002764218773452.

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The goal of this article is threefold. First, it aims at understanding the dynamic positions of foundations (institutional proximities and purposes, approaches and roles) relative to church, state, market, and civil society. The institutional factors behind the transformation of the small and heterogeneous set of foundations existing in the country in the late 1980s, under scattered and restrictive regimes, into a relatively sizeable and influential sector of formally homogeneous nonprofits are explored. Second, it approaches the conceptualization of foundations in Spain and describes the rece
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Oțăt, Oana Victoria, Ilie Dumitru, Laurenţiu Racilă, Dragoș Tutunea, and Lucian Matei. "Analysis on the Dynamic Performance of Vehicles." Advanced Engineering Forum 42 (September 7, 2021): 71–78. http://dx.doi.org/10.4028/www.scientific.net/aef.42.71.

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The current accelerated developments within the automotive sector have triggered a series of performance, comfort, safety and design-related issues. Hence, oftentimes manufacturers are challenged to combine various elements so as to achieve an attractive design, without diminishing the vehicle’s dynamic performance. In order to determine the vehicle dynamic performances we carried out an analysis by two methods. In the first part of the paper, we have used the analytical method to establish the dynamic performances of a vehicle. The second part of our study addresses another method to determin
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Tzivanidis, Christos, and Evangelos Bellos. "A Comparative Study of Solar-Driven Trigeneration Systems for the Building Sector." Energies 13, no. 8 (2020): 2074. http://dx.doi.org/10.3390/en13082074.

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The utilization of solar irradiation in the building sector is vital to create sustainable systems. Trigeneration systems are highly efficient systems that usually produce electricity, heating and cooling which are the main energy needs in the buildings. The objective of this work is the energetic and financial investigation of three different solar-driven trigeneration systems that can be applied in buildings with high energy needs (e.g., hospitals or commercial buildings). The parabolic trough solar collector (PTC) is selected to be used because it is the most mature solar concentrating tech
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Huybers, Kathleen, Gerard Roe, and Howard Conway. "Basal topographic controls on the stability of the West Antarctic ice sheet: lessons from Foundation Ice Stream." Annals of Glaciology 58, no. 75pt2 (2017): 193–98. http://dx.doi.org/10.1017/aog.2017.9.

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ABSTRACT Using observations of basal topography, ice thickness and modern accumulation rates, we use theory and a dynamic flowline model to examine the sensitivity of Antarctica's Foundation Ice Stream to changes in sea level, accumulation and buttressing at the grounding line. Our sensitivity studies demonstrate that the steep, upward-sloping basal topography inland from the grounding line serves to stabilize retreat of the ice stream, while the upward-sloping submarine topography downstream from the grounding line creates the potential for significant advance under conditions of modest sea-l
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Sabaté, Ferran. "The Evolution of the “Catalan Health Model” in the Twentieth Century. Sources for its Study." Journal of Evolutionary Studies in Business 6, no. 1 (2021): 281–305. http://dx.doi.org/10.1344/jesb2021.1.j090.

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This paper presents an overview of relevant sources for the study of the development of the “Catalan Health Model” during the twentieth century, and the ideas and institutions influencing its evolution. The paper indicates that it is a health system configuration where the core is public universal health assistance, complemented by the private health sector. Also, that it is the result of a dynamic traditional mixed model organization. The sources for the study of this health system are scattered in public or private archives and published reports. Due to the disruptions of war and periods of
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Atalayer, Ç., J. Friedrichs, and D. Wulff. "Aerodynamic investigation of S-duct intake for high power turboprop installed on a channel wing." Aeronautical Journal 121, no. 1242 (2017): 1131–46. http://dx.doi.org/10.1017/aer.2017.46.

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ABSTRACTInstallation effects on the S-duct intakes of a high power turboprop were investigated by comparing three different nacelle configurations as the channel wing, over-the-wing and conventional tractor wing using computational fluid dynamic methods. The interaction of the propeller, the wing, and the nacelle on the scoop type turboprop intakes were identified in terms of recovery and distortion on the aerodynamic interface planes. An actuator disc model was used to simulate the propeller downstream effects. The channel wing installation of S-ducts showed approximately 2% higher total pres
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Dissertations / Theses on the topic "Dynamic sector configuration"

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Sergeeva, Marina. "Sectorisation automatisée de l'espace aérien par algorithme génétique." Thesis, Toulouse 3, 2017. http://www.theses.fr/2017TOU30121.

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Avec la croissance continue du trafic aérien et la limitation des ressources, il est nécessaire de réduire la congestion de l'espace aérien. Ces dernières années, un intérêt particulier a été porté au problème de la sectorisation de l'espace aérien.Pour pallier à cette augmentation continue du trafic en Europe, il est nécessaire d'optimiser la gestion du trafic aérien. Une automatisation de la sectorisation de l'espace aérien peut permettre, dans cette optique, d'accroître l'adaptabilité des configurations du secteur aérien à une nouvelle demande de trafic. L'objectif de la première partie de
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Karakoc, Ali. "Multi-disciplinary Design And Optimization Of Air To Surface Missiles With Respect To Flight Performance And Radar Cross Sectio." Master's thesis, METU, 2011. http://etd.lib.metu.edu.tr/upload/12613903/index.pdf.

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This study focuses on the external configuration design of a tactical missile based on maximizing flight range while minimizing the radar signature which is a crucial performance parameter for survivability. It is known that shaping of a missile according to aerodynamic performance may have significant negative effects on the radar cross section. Thus, the impact of the geometry changes on the aerodynamic performance and the radar cross section is investigated. Suggorage models for the flight range, control effectiveness and the radar cross section (RCS) at an X band frequency are established
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Books on the topic "Dynamic sector configuration"

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Busacca, Maurizio, and Roberto Paladini. Collaboration Age. Fondazione Università Ca’ Foscari, 2020. http://dx.doi.org/10.30687/978-88-6969-424-0.

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Recently, public policies of urban regeneration have intensified and multiplied. They are being promoted with the aim to start social and economic dynamics within the local context which is subject to intervention. From the empirical analysis, we realise that such activities are mainly implemented by three subjects or by mixed coalitions (public institutions, actors of the third sector and companies). Within them, each player is moved by a multiplicity of interests and goals that go beyond their own nature – public interest, market and mutualism – and tend to redefine themselves, thus becoming
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Oktay, Baysal, and United States. National Aeronautics and Space Administration., eds. Wing-section optimization for supersonic viscous flow: [abstract]. National Aeronautics and Space Administration, 1995.

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Wing-section optimization for supersonic viscous flows: Abstract. National Aeronautics and Space Administration, 1995.

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Oktay, Baysal, and United States. National Aeronautics and Space Administration., eds. Wing-section optimization for supersonic viscous flow: [abstract]. National Aeronautics and Space Administration, 1995.

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Oktay, Baysal, and United States. National Aeronautics and Space Administration., eds. Wing-section optimization for supersonic viscous flow: [abstract]. National Aeronautics and Space Administration, 1995.

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Wing-section optimization for supersonic viscous flows: Abstract. National Aeronautics and Space Administration, 1995.

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United States. National Aeronautics and Space Administration., ed. Wing-section optimization for supersonic viscous flows: Abstract. National Aeronautics and Space Administration, 1995.

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Kelly, Phil. Defending Classical Geopolitics. Oxford University Press, 2017. http://dx.doi.org/10.1093/acrefore/9780190228637.013.279.

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Three successive parts are presented within this article, all intended to raise the visibility and show the utility of classical geopolitics as a deserving and separate international-relations model: (a) a common traditional definition, (b) relevant theories that correspond to that definition, and (c) applications of certain theories that will delve at some depth into three case studies (the Ukrainian shatterbelt, contemporary Turkish geopolitics, and a North American heartland).The placement of states, regions, and resources, as affecting international relations and foreign policies, defines
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Book chapters on the topic "Dynamic sector configuration"

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Correia dos Santos, João, and Miguel Mira da Silva. "Data Envelopment Analysis for Measuring and Evaluating Efficiency on IT Outsourcing Operations." In Advances in Business Information Systems and Analytics. IGI Global, 2017. http://dx.doi.org/10.4018/978-1-5225-2382-6.ch015.

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During the last decades, the IT service sector has been one of the fastest growing segment in the global economy, consequently, Information Technology (IT) outsourcing providers face several challenges: contracts are based on a multi-service configuration; high degree of variance between clients; market dynamism through rivalry, accelerated innovation, client requisites and relationship management. As a result, service providers employ several tools and methods to find the best fit between standardization (mainly for productivity increase) and customization (primarily for client satisfaction), because IT outsourcing operational context display a multi-input and multi-output set of variables that need to be known and managed, thus efficiency measurement is essential to delivery optimised IT operations. The purpose of this work is to identify, describe, evaluate and present a model based on Data Envelopment Analysis (DEA), which is a linear programming technique able to manipulate multiple inputs and outputs. DEA allows the identification of the most efficient operation that enables providers to set the best operational strategy to follow. To develop our research, design science research was applied, and eighteen contracts were used to evaluate our model's utility the results show the importance of quantitative measures in a dynamic business environment like IT outsourcing. This work is a major contribution for measuring efficiency in IT outsourcing operations.
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"Section Two. The Notion of A Dynamics of Gestalten." In The Gestalt Theory And The Problem Of Configuration. Routledge, 2013. http://dx.doi.org/10.4324/9781315009346-17.

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Alconini, Sonia. "Conclusion." In Southeast Inka Frontiers. University Press of Florida, 2016. http://dx.doi.org/10.5744/florida/9780813062914.003.0008.

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Chapter 8 draws conclusions about the dynamics of the Southeastern Inka frontier in light of existing imperial frontier models. In this section, the similarities and differences of both regions are compared with regard to architectural investment, site function and scale of activities. This information is useful to assess the configuration of the Southeastern Inka frontier, and the role of native populations in the frontier dynamics. This chapter also offers a comparative section with other frontier segments of the Inka empire.
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Spies, Marcus, and Azzelarabe Taleb-Bendiab. "Requirements Metadata Driven Dynamic Configuration of Business Processes." In Electronic Business Interoperability. IGI Global, 2011. http://dx.doi.org/10.4018/978-1-60960-485-1.ch009.

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Services computing is developing towards complex, large-scale infrastructures referred to as the Internet of things and an Internet of services. Cloud computing supports hundreds of thousands of users and applications/services and ensures that these are available on demand, in a reliable and secure way. These infrastructures present many challenges to the design and implementation of systems to manage, protect and tune them. This chapter shows that in order to support the needed interoperability in these infrastructures, such systems must support adaptation based on service semantics and be capable of runtime autonomic behaviour. For engineering such systems, there is a strong need to build on and extend standard software architectures, in particular the service oriented architectures (SOA) and model driven service engineering approaches. Given these requirements, this chapter introduces a model driven approach to a runtime adaptable requirements driven services management system, and presents a theoretical framework building on intention models that are transformed in several steps to dynamic business processes complying with the Web services paradigm and the business process execution language for Web services. These services can be reconfigured at runtime by autonomic behaviours of the management system in line with the intention model. Within the Neptune framework introduced here, the needed modelling languages, model transformations and a runtime environment implementing such an approach are provided. The chapter closes with a case study based on the well known PetShop enterprise application blueprint. The study demonstrates in practice the autonomic adaptation to changes in the services requirements observed at runtime, and concludes with a section highlighting future applications and extensions of the approach.
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Liyanage, Jayantha P. "Hybrid Intelligence through Business Socialization and Networking." In Handbook of Research on Business Social Networking. IGI Global, 2012. http://dx.doi.org/10.4018/978-1-61350-168-9.ch030.

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Managing industrial complexities and inherent risks in the modern economic climate has become quite a challenging task for more sectors than ever before. Apart from more formal financial constraints and risks, various industrial environments encounter a wide range of risks and uncertainties due to the inherent dynamics of the business environments. Capitalizing on business opportunities and realizing commercial ambitions in these sensitive business environments demands prudent and innovative solutions to manage different functional and operational modes where resources and capabilities are organized and deployed in a relatively different manner within the business clusters. It not only relies on economical capabilities, but also importantly on technology-dependent social capabilities. Interestingly, this leads to some form of structural re-configuration in a business-to-business transactional context generating an environment of so-called Hybrid Intelligence (Hybrid-I). This chapter explores and elaborates on the Hybrid-I concept as a modern scenario with reference to developments within the offshore oil & gas production sector.
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Valentine, Scott. "The Policy SET Model." In Wind Power Politics and Policy. Oxford University Press, 2015. http://dx.doi.org/10.1093/oso/9780199862726.003.0005.

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As outlined in Chapter 1, the main intention of this book is to identify and explain forces that catalyze or prevent a more robust diffusion of wind power in the electricity sector. This chapter lays the groundwork for such an analysis by introducing and describing the main features of a common framework that can be used for guiding analysis and development of wind power development policy. The main merit of applying a common framework to case study analysis is that it makes it possible to compare wind power policies in different nations and highlight similarities and differences. In the best case scenario, comparative analysis will unearth sufficient commonalities to construct theory to help us better understand what causes wind power to flourish in one nation and flounder in another. Even if sufficient commonalities are not uncovered, a comprehensive analysis using a common framework will at least provide insight into which issues are of greatest importance in a given national context and the scale and scope of how influential variables interconnect to shape wind power development prospects. In 1983, Thomas Hughes published a book titled Networks of Power in which he described the evolution of electrification in Western society from 1880 to 1930. In undertaking his analysis, Hughes observed that the diffusion of electrification occurred amidst a “seamless web” of social, technical, economic, and political causal factors that engender the development of a specific technological regime. In his own words:. . . Electric power systems embody the physical, intellectual and symbolic resources of the society that constructs them. Therefore, in explaining changes in the configuration of power systems, the historian must examine the changing resources and aspirations of organizations, groups and individuals. Electric power systems made in different societies—as well as in different times—involve certain basic technical components and connections, but variations in the basic essentials often reveal variations in resources, traditions, political arrangements, and economic practices from one society to another and from one time to another. In a sense, electric power systems, like so much other technology, are both causes and effects of social change. . . . Power systems reflect and influence the context, but they also develop an internal dynamic. . . .
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Mayer, Jean François. "The Limits of Labor Legislation Reforms." In Labor Politics in Latin America. University Press of Florida, 2018. http://dx.doi.org/10.5744/florida/9781683400455.003.0006.

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The literature addressing market dynamics within neoliberalism typically assumes that reforming labor legislation has a direct impact on economic performance, the configuration of labor markets, and the strength of labor organizations. Within this literature one prevalent school of thought advocates increased flexibility of labor laws as the key to creating economic prosperity, enhancing labor productivity, increasing formal sector employment, and successfully fighting poverty and socioeconomic inequality. This chapter tests these assumptions by analyzing the case of Brazil between 1995 and 2010. The chapter’s findings suggest that legislation reforms seeking to flexibilize the Brazilian labor code do not significantly change the country’s labor market or economy. The author therefore proposes that transformations in international economic contexts as well as differing policy orientations of successive Brazilian federal governments may hold more explanatory power in accounting for labor market changes during this time period.
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Ionescu, Laurentiu, Alin Mazare, Gabriel Iana, Gheorghe Serban, and Ionel Bostan. "Intrinsic Evolvable Hardware Structures." In Soft Computing Methods for Practical Environment Solutions. IGI Global, 2010. http://dx.doi.org/10.4018/978-1-61520-893-7.ch011.

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The main target of this chapter is to present the intrinsic evolvable hardware structures: concept, design and applications. The intrinsic evolvable hardware structures concept join more research areas like: bio–inspired searching methods (evolutionary algorithms), optimization of algorithms by parallel processing and reconfigurable circuits. First, a general overview about intrinsic evolvable hardware structure is presented. The intrinsic evolvable hardware structure consists of two main modules: hardware genetic algorithm and dynamic reconfigurable circuit. The hardware genetic algorithm searches the configuration that makes the reconfigurable circuit to correctly respond to application requirements. The background section present the genetic algorithm concept as a bio-inspired search solution, the hardware reconfiguration concept with sub areas classifications and the research directions in the evolvable hardware structures areas with application examples. The main section presents the design solutions for hardware implementation of genetic algorithm and for the reconfigurable circuit. Finally, several applications are presented that illustrate the usefulness of the intrinsic evolvable hardware structure.
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Moran, Gadi. "Phase Transition via Cellular Automata." In New Constructions in Cellular Automata. Oxford University Press, 2003. http://dx.doi.org/10.1093/oso/9780195137170.003.0017.

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The dynamics of unit-charged graphs under iterated local majority rule observed in Moran [2] strongly suggested to me a phase-transition phenomenon. In a correspondence with D. Ruelle on this matter in late 1993, he expressed his feelings that the connection was too vague and that temperature was absent in it. This note is a reproduction of my 1993 response, where I try to force my suggestive feelings into a bit more formal frame. A recent work of Yuval Ginosar and Ron Holzman [1], which extends Moran [2], allows us to replace the definition of a solid, given in section 4, by a sharper one, namely that of a “puppet” in their terminology. This means that in section 4 we may define a G ∈ Y to be a solid if every initial charge upon it decays under these dynamics—possibly in infinite time—into a time-periodic charging of a time period not longer than two. This note suggests an approach to the phenomenon of phase transition based on the behaviour of some cellular automata on infinitely countable nets, as noted recently in Moran [2]. Specifically, we use a majority automaton operating simultaneously on a countably infinite graph as a test device determining its “phase.” Results in Moran [2] suggest some sharp partition of a configuration space made up of the totality of such graphs into “solids,” where the only periods allowed for the automaton are 1 or 2, versus the others. Results in Moran [2] allow also the introduction of a “temperature” functional—a numerical parameter defined for each configuration, with the property that a configuration is “solid” whenever its “temperature” is negative. We first describe a possible physical interpretation of such a model, taking the nodes of a graph to be “particles” (stars, electrons, ions, atoms, molecules, radicals—as the case may be) in some Riemannian manifold. Our interpretation is obviously open to a wide diversity of modifications. It is hoped that in spite of its admittedly speculative nature, it may invoke a novel approach to the theoretical treatment of phase transition.
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Baer, Tomas, and William L. Hase. "Potential Energy Surfaces." In Unimolecular Reaction Dynamics. Oxford University Press, 1996. http://dx.doi.org/10.1093/oso/9780195074949.003.0005.

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Properties of potential energy surfaces are integral to understanding the dynamics of unimolecular reactions. As discussed in chapter 2, the concept of a potential energy surface arises from the Born-Oppenheimer approximation, which separates electronic motion from vibrational/rotational motion. Potential energy surfaces are calculated by solving Eq. (2.3) in chapter 2 at fixed values for the nuclear coordinates R. Solving this equation gives electronic energies Eie(R) at the configuration R for the different electronic states of the molecule. Combining Eie(R) with the nuclear repulsive potential energy VNN(R) gives the potential energy surface Vi(R) for electronic state i (Hirst, 1985). Each state is identified by its spin angular momentum and orbital symmetry. Since the electronic density between nuclei is different for each electronic state, each state has its own equilibrium geometry, sets of vibrational frequencies, and bond dissociation energies. To illustrate this effect, vibrational frequencies for the ground singlet state (S0) and first excited singlet state (S1) of H2CO are compared in table 3.1. For a diatomic molecule, potential energy surfaces only depend on the internuclear separation, so that a potential energy curve results instead of a surface. Possible potential energy curves for a diatomic molecule are depicted in figure 3.1. Of particular interest in this figure are the different equilibrium bond lengths and dissociation energies for the different electronic states. The lowest potential curve is referred to as the ground electronic state potential. The primary focus of this chapter is the ground electronic state potential energy surface. In the last section potential energy surfaces are considered for excited electronic states. A unimolecular reactant molecule consisting of N atoms has a multidimensional potential energy surface which depends on 3N-6 independent coordinates. For the smallest nondiatomic reactant, a triatomic molecule, the potential energy surface is four-dimensional (three independent coordinates plus the energy). Since it is difficult, if not impossible, to visualize surfaces with more than three dimensions, methods are used to reduce the dimensionality of the problem in portraying surfaces. In a graphical representation of a surface the potential energy is depicted as a function of two coordinates with constraints placed on the remaining 3N-8 coordinates.
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Conference papers on the topic "Dynamic sector configuration"

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Haozhe, Cao, Wu Yanxuan, Zhou Feng, and Wang Tong. "Dynamic airspace sector configuration based on bi-partitioned method." In 2015 7th International Conference on Modelling, Identification and Control (ICMIC). IEEE, 2015. http://dx.doi.org/10.1109/icmic.2015.7409450.

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Wei, Jian, Vincent J. Sciandra, Inseok Hwang, and William D. Hall. "An Integer Programming based Sector Design Algorithm for Terminal Dynamic Airspace Configuration." In 2013 Aviation Technology, Integration, and Operations Conference. American Institute of Aeronautics and Astronautics, 2013. http://dx.doi.org/10.2514/6.2013-4260.

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Sciandra, Vincent J., Jian Wei, Inseok Hwang, and William D. Hall. "Benefit Analysis of a Sector Design Algorithm for Terminal Dynamic Airspace Configuration." In 2013 Aviation Technology, Integration, and Operations Conference. American Institute of Aeronautics and Astronautics, 2013. http://dx.doi.org/10.2514/6.2013-4261.

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Satish Kumar, Subramani, Ranjan Ganguli, Siddanagouda Basanagouda Kandagal, and Soumendu Jana. "Structural Dynamic Behavior of Axial Compressor Rotor." In ASME 2017 Gas Turbine India Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/gtindia2017-4715.

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The vibrations involved in a typical axial compressor rotor in an aircraft engine are complex. Generally, the compressor blades are arranged in a cantilever type configuration. It is also known that the amplitude of vibration is highest near the tip section of the shroudless blade. Compressors are limited by aerodynamic instabilities such as rotating stall and surge. Rotating stall generally initiates near the tip region of the compressor. Blade vibrations coupled with aerodynamic instabilities will lead to a catastrophic scenario of flutter that is asynchronous to the rotor speed. This aeroel
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Gross, Johann, Malte Krack, and Harald Schoenenborn. "Analysis of the Effect of Multi-Row and Multi-Passage Aerodynamic Interaction on the Forced Response Variation in a Compressor Configuration: Part 2 — Effects of Additional Structural Mistuning." In ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/gt2017-63019.

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The prediction of aerodynamic blade forcing is a very important topic in turbomachinery design. Usually, the wake from the upstream blade row and the potential field from the downstream blade row are considered as the main causes for excitation, which in conjunction with relative rotation of neighboring blade rows, give rise to dynamic forcing of the blades. In addition to those two mechanisms so-called Tyler-Sofrin (or scattered or spinning) modes, which refer to the acoustic interaction with blade rows further up- or downstream, may have a significant impact on blade forcing. In particular,
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Nuernberg, Martin, and Longbin Tao. "Turbulence and Wake Effects in Tidal Stream Turbine Arrays." In ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/omae2018-77507.

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Electricity generation from tidal current can provide a reliable and predictable addition to a reduced carbon energy sector in the future. Following the deployment of the first multi-turbine array, significant cost reduction can be achieved by moving beyond demonstrator projects to large scale tidal turbine arrays. The interactions between multiple turbines installed in close proximity can affect the total electricity generation and thus require knowledge of the resulting flow field within and downstream of the array. Results are presented for experimental and numerical studies investigating t
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Brundish, K. D., M. N. Miller, C. W. Wilson, M. Hilton, M. P. Johnson, and M. Jefferies. "Measurement of Smoke Particle Size and Distribution Within a Gas Turbine Combustor." In ASME Turbo Expo 2003, collocated with the 2003 International Joint Power Generation Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/gt2003-38627.

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The objective of the work described in this paper was to identify a method of making measurements of the smoke particle size distribution within the sector of a gas turbine combustor, using a Scanning Mobility Particle Sizing (SMPS) analyser. As well as gaining a better understanding of the combustion process, the principal reasons for gathering these data was so that they could be used as validation for Computational Fluid Dynamic (CFD) and chemical kinetic models. Smoke mass and gaseous emission measurements were also made simultaneously. A “water cooled,” gas sampling probe was utilised to
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Aguiar da Franca, Aline, and Dirk Abel. "Design of a Wind Tunnel Test Section for Single Airfoil Configuration With Real-Time Lift Force Control." In ASME 2017 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/dscc2017-5087.

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This article presents a concept of test section for a closed-return wind tunnel, where the lift force of an airfoil, which depends on the angle of attack, is controlled in real-time. This airfoil is used to represent a wind turbine blade. The lift force of the blades is what produces the rotor torque of the wind turbine. This torque determines the amount of energy that will be captured by the wind turbine. The linear dynamics of the motor used to change the angle of attack and the static non-linearity of the airfoil are modeled as a Wiener model. The Quadratic Dynamic Matrix Controller based o
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Blanco, Juan C., and Carlos F. Rodríguez. "Optimal Design of a River Boat Simulator." In ASME 2012 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/detc2012-70456.

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Motion simulation platforms are mechanical devices designed to replicate the dynamics of a given vehicle. They are very attractive for training individuals such as drivers, pilots or passengers. This paper describes the dimensional synthesis of a river boat simulator that consists of a section of the boat (hull) mounted over a 3 DOF parallel robot with a passive weight compensator (3UPS + PU). Given that the dynamic performance of the robot depends strongly on its geometry, an optimization strategy was applied to find its optimal configuration. The optimization objective was to minimize the dy
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Remirez, Andria A., and Robert J. Webster. "A New Continuum Robot With Crossed Elastic Strips: Extensible Sections With Only One Actuator per Section." In ASME 2015 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/dscc2015-9919.

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We propose a new kind of continuum robot based on crossed elastic strips. The actuator-specified location of the crossover point controls the lengths of the sections, enabling a wider range of configurations than would be possible with traditional fixed-section-length robots. Push-pull actuation of the crossed strips controls the curvature of the sections. We provide a model that describes the resulting configurations in terms of tangent circular arcs of varying lengths. Experiments with a prototype yield tip positions that agree with model predictions with an average error of 4.6% of the robo
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