Academic literature on the topic 'Turbulent environments'

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Journal articles on the topic "Turbulent environments"

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Reddy, Gautam, Antonio Celani, Terrence J. Sejnowski, and Massimo Vergassola. "Learning to soar in turbulent environments." Proceedings of the National Academy of Sciences 113, no. 33 (August 1, 2016): E4877—E4884. http://dx.doi.org/10.1073/pnas.1606075113.

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Birds and gliders exploit warm, rising atmospheric currents (thermals) to reach heights comparable to low-lying clouds with a reduced expenditure of energy. This strategy of flight (thermal soaring) is frequently used by migratory birds. Soaring provides a remarkable instance of complex decision making in biology and requires a long-term strategy to effectively use the ascending thermals. Furthermore, the problem is technologically relevant to extend the flying range of autonomous gliders. Thermal soaring is commonly observed in the atmospheric convective boundary layer on warm, sunny days. The formation of thermals unavoidably generates strong turbulent fluctuations, which constitute an essential element of soaring. Here, we approach soaring flight as a problem of learning to navigate complex, highly fluctuating turbulent environments. We simulate the atmospheric boundary layer by numerical models of turbulent convective flow and combine them with model-free, experience-based, reinforcement learning algorithms to train the gliders. For the learned policies in the regimes of moderate and strong turbulence levels, the glider adopts an increasingly conservative policy as turbulence levels increase, quantifying the degree of risk affordable in turbulent environments. Reinforcement learning uncovers those sensorimotor cues that permit effective control over soaring in turbulent environments.
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SCHWEITZER, FIONA M., OLIVER GASSMANN, and KURT GAUBINGER. "OPEN INNOVATION AND ITS EFFECTIVENESS TO EMBRACE TURBULENT ENVIRONMENTS." International Journal of Innovation Management 15, no. 06 (December 2011): 1191–207. http://dx.doi.org/10.1142/s1363919611003702.

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The paper focuses on the challenges of integrating external sources in the innovation process and investigates the role of environmental turbulence in this context. Building on the resources-based view and the dynamic capabilities perspective the authors propose that open innovation strategies assist companies in navigating through turbulent times. Empirical testing of this assumption in a sample of 101 manufacturing firms indicates that open innovation activities are more important in turbulent than in non-turbulent markets and that supplier integration is vital when technological turbulence is high, whilst customer integration is critical in environments characterized by high market turbulence. From a practical point of view, these findings highlight the importance of stakeholder integration in the innovation process and provide details on the successful implementation of this strategy under different environmental settings.
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Vohra, Veena. "Organizational environments and adaptive response mechanisms in India." Journal of Indian Business Research 7, no. 1 (March 16, 2015): 21–44. http://dx.doi.org/10.1108/jibr-01-2014-0001.

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Purpose – The purpose of this paper is to investigate the nature of the organizational environments of Indian business organizations and to identify the adaptive response mechanisms that organizations use to cope with their environments. This paper also examines in detail the causal texture of the organizational environments and attempts to build a conceptual model mapping adaptive responses of organizations to different types of organizational environments. Design/methodology/approach – A constructivist stance was adopted in this exploratory study to capture the perceptions of the organizational leaders through the multiple case study design to capture the features of the organizational environments and their causal texture. The multiple case study design used an embedded mixed-methods approach to collect data. Within-case analysis and cross-case analysis were conducted to draw out prominent themes across cases ordered for particular organizational environment types. The study was conducted by following construct validity, internal reliability and external validity guidelines. Findings – The study highlights and describes in detail the characteristics of the different organizational environment types in India. It is revealed that a majority of Indian organizations exist in turbulent environments. There are differences in the adaptive response mechanisms of organizations in the environment types studied. The study specially focuses on the strategies adopted by Indian organizations to adapt to turbulent environments. Practical implications – This study maps the causal texture of organizational environments in India and maps the organizational adaptive responses to the environment for greater effectiveness. This study offers various strategies to cope with turbulent organizational environments and adds to the research focus on causal texture and adaptive capacities of organizations across different types of environments. Originality/value – This study contributes to an ignored subject area of organizational environments. Managing organizations in uncertain and turbulent environments is complex, and this study provides an understanding about the various types of adaptive mechanism that are used to cope with environmental turbulence. This study also attempts to answer several questions that previous research works have raised about strategies that organizations use when they fail to cope with environmental turbulence.
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Tan, Justin. "Venturing in Turbulent Environments." Journal of Management Inquiry 10, no. 1 (March 2001): 82–87. http://dx.doi.org/10.1177/1056492601101011.

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Perrott, Bruce E. "Managing Strategy in Turbulent Environments." Journal of General Management 33, no. 3 (March 2008): 21–30. http://dx.doi.org/10.1177/030630700803300302.

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PACHECO-DE-ALMEIDA, GONÇALO. "TIME COMPRESSION IN TURBULENT ENVIRONMENTS." Academy of Management Proceedings 2009, no. 1 (August 2009): 1–6. http://dx.doi.org/10.5465/ambpp.2009.44268777.

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Daniel, Elizabeth, and Hugh N. Wilson. "Action research in turbulent environments." European Journal of Marketing 38, no. 3/4 (March 2004): 355–77. http://dx.doi.org/10.1108/03090560410518594.

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Waterhouse, Michael F. "Managing effectively in turbulent environments." Strategic Change 1, no. 3 (May 1992): 135–46. http://dx.doi.org/10.1002/jsc.4240010303.

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de Gouveia Dal Pino, E. M., R. Santos-Lima, G. Kowal, and D. Falceta-Gonçalves. "Turbulence and dynamo interlinks." Proceedings of the International Astronomical Union 8, S294 (August 2012): 337–48. http://dx.doi.org/10.1017/s174392131300272x.

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AbstractThe role of turbulence in astrophysical environments and its interplay with magnetic fields is still highly debated. In this lecture, we will discuss this issue in the framework of dynamo processes. We will first present a very brief summary of turbulent dynamo theories, then will focus on small scale turbulent dynamos and their particular relevance on the origin and maintenance of magnetic fields in the intra-cluster media (ICM) of galaxies. In these environments, the very low density of the flow requires a collisionless-MHD treatment. We will show the implications of this approach in the turbulent amplification of the magnetic fields in these environments. To finalize, we will also briefly address the connection between MHD turbulence and fast magnetic reconnection and its possible implications in the diffusion of magnetic flux in the dynamo process.
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Fornari, Walter, Francesco Picano, and Luca Brandt. "Sedimentation of finite-size spheres in quiescent and turbulent environments." Journal of Fluid Mechanics 788 (January 12, 2016): 640–69. http://dx.doi.org/10.1017/jfm.2015.698.

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Sedimentation of a dispersed solid phase is widely encountered in applications and environmental flows, yet little is known about the behaviour of finite-size particles in homogeneous isotropic turbulence. To fill this gap, we perform direct numerical simulations of sedimentation in quiescent and turbulent environments using an immersed boundary method to account for the dispersed rigid spherical particles. The solid volume fractions considered are ${\it\phi}=0.5{-}1\,\%$, while the solid to fluid density ratio ${\it\rho}_{p}/{\it\rho}_{f}=1.02$. The particle radius is chosen to be approximately six Kolmogorov length scales. The results show that the mean settling velocity is lower in an already turbulent flow than in a quiescent fluid. The reductions with respect to a single particle in quiescent fluid are approximately 12 % and 14 % for the two volume fractions investigated. The probability density function of the particle velocity is almost Gaussian in a turbulent flow, whereas it displays large positive tails in quiescent fluid. These tails are associated with the intermittent fast sedimentation of particle pairs in drafting–kissing–tumbling motions. The particle lateral dispersion is higher in a turbulent flow, whereas the vertical one is, surprisingly, of comparable magnitude as a consequence of the highly intermittent behaviour observed in the quiescent fluid. Using the concept of mean relative velocity we estimate the mean drag coefficient from empirical formulae and show that non-stationary effects, related to vortex shedding, explain the increased reduction in mean settling velocity in a turbulent environment.
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Dissertations / Theses on the topic "Turbulent environments"

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den, Adel Menno, and Tobias Müller. "Re-Internationalisation : Exploring Opportunities in Turbulent Environments." Thesis, Linnéuniversitetet, Institutionen för marknadsföring (MF), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-65910.

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Our thesis is based on the constantly changing internal and external environment causing firms to increase or decrease their internationalisation efforts. The focus of this thesis is going to be on describing the process of re-internationalisation, including the different stages of de-internationalisation, time-out, and re-entry as well as identifying the influences of the internal and external environment on the process of re-internationalisation.   The influences of the internal and external environmental on the process of re-internationalisation are analysed and accompanied by secondary data about the German biogas market, which the case company is considering to re-entry. The aim of the thesis is to contribute to existing literature by exploring the process of re-internationalisation and its stages of de-internationalisation, time-out and re-entry, to enhance the understanding of SME internationalisation patterns, and the influence of the internal and external environment   The process of de-internationalisation for the case company was characterised by a lower degree of market commitment in contrast to a complete exit. The degree of commitment was maintained during time-out stage, but due to changes in the internal and external environment a move towards re-entering the market was considered. The main influences, found in this single case study, can be separated along the stages of de-internationalisation, time-out and re-entry. The de-internationalisation was mainly driven by poor economic results and a lack of resources. During the time-out, the company’s acquisition led to a change in firm objectives. The re-entry was mainly influenced by changes in institutional policies and the previously altered company objectives caused a consequential increase in resources. The change in institutional policies was perceived as a business opportunity. However, the analysis of the case company’s market showed a deviation between perceived and actual business opportunity, highlighting the importance of acquiring up-to-date market knowledge.
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Barrows, Edward. "How Firms in Turbulent Environments Measure Strategic Performance." Thesis, Cranfield University, 2014. http://dspace.lib.cranfield.ac.uk/handle/1826/9268.

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This thesis presents the findings from two case study examinations of strategic performance measurement systems within two turbulent environmental contexts: the U.S. security software industry and the U.S. health care industry. Despite a three-­‐decade emphasis on performance measurement research, little empirical work has been carried out inside turbulent settings—contexts characterized by rapid change, high levels of instability and complex configurations among environmental variables. This research targets that gap. Through exploratory case studies from seven security software firms paired with a single in-­‐ depth case investigation within a transforming health care system, this study addresses the question: “how do firms in turbulent environments measure strategic performance?” The research found that in turbulent environments, an effective strategic performance measurement system contains six interrelated elements: management aims, performance objectives, uncertainty areas, decision data, management attention and performance measures. Top managers focus on their aims and performance objectives to meet requirements via a closed-­‐loop approach while monitoring uncertainty areas and gathering decision data in an open-­‐loop way. This union of feedback and feedforward control enables dynamic interaction among the various elements of the system all of which are informed by performance measure data. Effective use is moderated by management’s focus of attention. The research has implications for information processing and management control literature; it extends existing theory to incorporate the use of semi-­‐structures within the framework of the strategic performance measurement system as a means of overcoming the challenges of uncertainty. Further, the research contradicts both extant literature and practice convention that claims strategic performance measurement frameworks need to be balanced to be effective. Practitioners are provided with a strategic performance measurement framework for use in turbulent environments. The framework would benefit from further examination in a variety of different, equally turbulent, contexts.
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Lindgren, Mats. "Strategic flexibility : antecedents and performance implications in turbulent business environments." Thesis, Henley Business School, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.341548.

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何學強 and Hok-keung Paul Ho. "Strategic issue management of real estate development in turbulent environments." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2001. http://hub.hku.hk/bib/B43895037.

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Ho, Hok-keung Paul. "Strategic issue management of real estate development in turbulent environments." Hong Kong : University of Hong Kong, 2001. http://sunzi.lib.hku.hk/hkuto/record.jsp?B2521178x.

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Shrinivas, Ajay. "Unconfined and confined turbulent plumes and jets in stratified environments." Thesis, Imperial College London, 2014. http://hdl.handle.net/10044/1/34507.

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The turbulent motions of buoyant plumes and momentum jets are ubiquitous in both the natural and built environments where a stable density stratification typically persists. The fluid mechanics of turbulent plumes and jets in stratified environments encompasses a fascinating and exigent field of research motivated by an extensive range of practical applications that include low-energy building ventilation, urban air quality management and the dispersion of pollutants in natural water bodies and the atmosphere. Merely as a consequence of vertical variations in the density of the ambient fluid, variations which often occur rapidly with depth in a shallow transitional layer (e.g. oceanic thermoclines and atmospheric inversions) separating two fluid masses, the fundamental behaviour of plumes and jets (in otherwise uniform environments) can be profoundly modified. This thesis investigates theoretically two intrinsic facets of turbulent plumes and jets in stratified environments. First, we examine the classic transport phenomenon of turbulent entrainment across a density interface driven by the localised impingement of a vertically-forced high-Reynolds-number jet. By developing theoretical models, we capture and elucidate the dominant physics at the heart of this complex physical process. Notably, the predictions of these models are in close agreement with existing experimental measurements. By unravelling the effects of confinement imposed by the physical boundaries of a box on the dynamics of interfacial entrainment, we highlight underlying physical reasons for the controversy surrounding the law governing the rate of entrainment across an interface. Second, we examine the time-dependent density stratification that develops in a confined environment following the activation of two turbulent plumes of unequal strengths. We show that the buoyancy of a bounded fluid layer can exceed, or overshoot, its steady value and that the plumes can induce a bulk overturning of the buoyant region. Finally, we discuss the wider context of this research and its application in engineering, the atmospheric sciences and oceanography.
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Coral, Nelson Fernando Ruiz. "The regulation of a corporation in turbulent environments : a systematic approach." Thesis, Lancaster University, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.304577.

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Angle, Chandrawatee W. "Stability of heavy oil emulsions in turbulent flow and different chemical environments." Thesis, University of Manchester, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.547848.

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Barnett, Lynn Elizabeth. "From anthropology to child psychotherapy : cross cultural observations of infants and turbulent environments." Thesis, University of East London, 2009. http://roar.uel.ac.uk/3888/.

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The central issue of the thesis is the innovative development of the Bick infant observation method into detailed, long term, cross-cultural video recording. Videos have been made which record individual infant development in UK, Western India, Nepal and Finland. Other observational videos demonstrate how the application of recent developmental theory can improve the care of infants in children's institutions. These are being used for teaching in over fourty countries but it is suggested that more detailed filmed records from these counties, and others, are needed. It is argued that video is invaluable for teaching and conference presentation as it substitutes seeing an actual situation for merely listening to or reading an individual verbal record. Further reasons for using the medium of video are fully discussed. There is a review of previous cross-cultural child development research recognising that it has been lacking in the area of infancy and that regrettably, it is not always included in the teaching of developmental theory. A major issue researched is the effects on children of turbulent environments: an environmental catastrophe (The Chernobyl disaster), the threat of nuclear war, an actual war (in Former Yugoslavia), the breakdown of a political system (in Russia), Day Nurseries and an Orphanage. The importance of human touch - a much neglected developmental issue in the West - is examined and visually recorded in a cross-cultural context as are beliefs about the nature of children. The papers, books and videos are all informed by attachment theory, psychoanalysis, systems theory and anthropology.
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Grib, Stephen William. "LAMINAR AND TURBULENT STUDY OF COMBUSTION IN STRATIFIED ENVIRONMENTS USING LASER BASED MEASUREMENTS." UKnowledge, 2018. https://uknowledge.uky.edu/me_etds/117.

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Practical gas turbine engine combustors create extremely non-uniform flowfields, which are highly stratified making it imperative that similar environments are well understood. Laser diagnostics were utilized in a variety of stratified environments, which led to temperature or chemical composition gradients, to better understand autoignition, extinction, and flame stability behavior. This work ranged from laminar and steady flames to turbulent flame studies in which time resolved measurements were used. Edge flames, formed in the presence of species stratification, were studied by first developing a simple measurement technique which is capable of estimating an important quantity for edge flames, the advective heat flux, using only velocity measurements. Both hydroxyl planar laser induced fluorescence (OH PLIF) and particle image velocimetry (PIV) were used along with numerical simulations in the development of this technique. Interacting triple flames were also created in a laboratory scale burner producing a laminar and steady flowfield with symmetric equivalence ratio gradients. Studies were conducted in order to characterize and model the propagation speed as a function of the flame base curvature and separation distance between the neighboring flames. OH PLIF, PIV and Rayleigh scattering measurements were used in order to characterize the propagation speed. A model was developed which is capable of accurately representing the propagation speed for three different fuels. Negative edge flames were first studied by developing a one-dimensional model capable of reproducing the energy equation along the stoichiometric line, which was dependent on different boundary conditions. Unsteady and laminar negative edge flames were also simulated with periodic boundary conditions in order to assess the difference between the steady and unsteady cases. The diffusive heat loss was unbalanced with the chemical heat release and advective heat flux energy gain terms which led to the flame proceeding and receding. The temporal derivative balanced the energy equation, but also aided in the understanding of negative edge flame speeds. Turbulent negative edge flame velocities were measured for extinguishing flames in a separate experiment as a function of the bulk advective heat flux through the edge and turbulence level. A burner was designed and built for this study which created statistically stationary negative edge flames. The edge velocity was dependent on both the bulk advective heat flux and turbulence levels. The negative edge flame velocities were obtained with high speed stereo-view chemiluminescence and two dimensional PIV measurements. Autoignition stabilization was studied in the presence of both temperature and species stratification, using a simple laminar flowfield. OH and CH2O PLIF measurements showed autoignition characteristics ahead of the flame base. Numerical chemical and flow simulations also revealed lower temperature chemistry characteristics ahead of the flame base leading to the conclusion of lower temperature chemistry dominating the stabilization behavior. An energy budget analysis was conducted which described the stabilization behavior.
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Books on the topic "Turbulent environments"

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1951-, Maguire Stuart, ed. Information and communication technologies management in turbulent business environments. Hershey, PA: Information Science Reference, 2009.

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Darroch, James L. Strategic management in turbulent environments: The Canadian banks in the 1980s. Toronto, Ont: Ontario Centre for International Business, 1990.

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Keating, T. P. Institutions in turbulent environments: A study of the impact of environmental change upon institutions for the intellectually disabled. Aldershot, Hants, England: Ashgate Pub., 1999.

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Paul, Hong, ed. Building network capabilities in turbulent competitive environments: Practices of global firms from Korea and Japan. Boca Raton, FL: CRC Press, 2012.

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Third sector organizations facing turbulent environments: Sports, culture and social services in five European countries. Baden-Baden: Nomos, 2010.

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Chan, T. S., and Geng Cui, eds. Asian Businesses in a Turbulent Environment. London: Palgrave Macmillan UK, 2016. http://dx.doi.org/10.1057/978-1-137-48887-9.

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Liuhto, Kari. The organisational and managerial transformation in turbulent business environments: Managers' views on the transition of their enterprise in some of the European former Soviet republics in the 1990's. Turku: Turku School of Economics and Business Administration, 1999.

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Groza, Mark D., and Charles B. Ragland, eds. Marketing Challenges in a Turbulent Business Environment. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-19428-8.

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Komori, Satoru. Turbulence structure and CO₂ transfer at the air-sea interface and turbulent diffusion in thermally-stratified flows. Tsukuba, Japan: Center for Global Environmental Research, National Institute for Environmental Studies, Environment Agency of Japan, 1996.

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Renoud, Robert W. Boundary layer response to an unsteady turbulent environment. Monterey, Calif: Naval Postgraduate School, 1988.

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Book chapters on the topic "Turbulent environments"

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de Zilwa, Deanna. "Complex, Turbulent Exogenous Environments." In Academic Units in a Complex, Changing World, 3–16. Dordrecht: Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-90-481-9237-3_1.

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Tampieri, Francesco. "Turbulent Dispersion." In Physics of Earth and Space Environments, 155–89. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-43604-3_5.

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Ansoff, H. Igor, Daniel Kipley, A. O. Lewis, Roxanne Helm-Stevens, and Rick Ansoff. "Competitive Posture Analysis in Turbulent Environments." In Implanting Strategic Management, 127–81. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-99599-1_9.

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Wall, Friederike. "Switching Costs in Turbulent Task Environments." In Springer Proceedings in Complexity, 457–71. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-34127-5_46.

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Harris, Graham P. "Community structure and function in turbulent environments." In Phytoplankton Ecology, 229–58. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-3165-7_10.

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Harris, Graham P. "Community structure and function in turbulent environments." In Phytoplankton Ecology, 229–58. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4081-9_10.

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Friedrich, Peter, and Jaqueline Rossato. "Culture for Organizational Learning in Turbulent Environments." In Competitive Strategies for Small and Medium Enterprises, 45–76. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-27303-7_4.

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Kurtz, Diego Jacob, and Gregorio Varvakis. "Dynamic Capabilities and Organizational Resilience in Turbulent Environments." In Competitive Strategies for Small and Medium Enterprises, 19–37. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-27303-7_2.

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Carlsson, Sven A., and Omar A. El Sawy. "Decision Support in Turbulent and High-Velocity Environments." In Handbook on Decision Support Systems 2, 3–17. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-48716-6_1.

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Munyanyiwa, Takaruza, Shepherd Nyaruwata, and Cleopas Njerekai. "How community-based tourism can survive in turbulent environments." In Positive Tourism in Africa, 53–64. Abingdon, Oxon ; New York, NY : Routledge, 2019.: Routledge, 2019. http://dx.doi.org/10.4324/9780429428685-5.

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Conference papers on the topic "Turbulent environments"

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Blackmore, Karen, Keith Nesbitt, and David Cornforth. "Simulating stable, trending and turbulent operating environments." In 2013 IEEE 8th Conference on Industrial Electronics and Applications (ICIEA 2013). IEEE, 2013. http://dx.doi.org/10.1109/iciea.2013.6566348.

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Holzäpfel, Frank, Takashi Misaka, and Ingo Hennemann. "Wake-Vortex Topology, Circulation, and Turbulent Exchange Processes." In AIAA Atmospheric and Space Environments Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2010. http://dx.doi.org/10.2514/6.2010-7992.

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Magnotti, Gaetano, Andrew Cutler, and Paul Danehy. "Beam Shaping for CARS Measurements in Turbulent Environments." In 48th AIAA Aerospace Sciences Meeting Including the New Horizons Forum and Aerospace Exposition. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2010. http://dx.doi.org/10.2514/6.2010-1400.

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Weinschenk, Craig, and O. A. Ezekoye. "Analysis of Thermocouple Responses to Turbulent Radiating Environments." In ASME/JSME 2011 8th Thermal Engineering Joint Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ajtec2011-44587.

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With increasing requirements for model validation when comparing computational and experimental results, there is a need to incorporate detailed representations of measurement devices within the computational simulations. Thermocouples are the most common temperature measurement transducers in flames and fire environments. Even for the relatively simple thermocouple transducer, the coupling of heat transfer mechanisms particularly under unsteady flow conditions leads to interesting dynamics. As experimentalists are well aware, the experimentally determined thermocouple values are not the same as the local gas temperatures and corrections are often required. From the computational perspective, it is improper then to assume that the predicted gas temperatures should be the same as the temperatures that an experimentalist might measure since the thermal characteristics of the thermocouple influence the indicated temperature. In this study we investigate the thermal characteristics of simulated thermocouples in unsteady flame conditions. Validation exercises are presented to test the underlying thermocouple model. Differences are noted between the predicted thermocouple response and expected response. These differences are interpreted from the perspective of what modeling artifacts might drive the differences.
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RUDOFF, R., A. BRENA DE LA ROSA, S. SANKAR, and W. BACHALO. "Time analysis of polydisperse sprays in complex turbulent environments." In 27th Aerospace Sciences Meeting. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1989. http://dx.doi.org/10.2514/6.1989-52.

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Knoll, Kathleen, and Sirkka L. Jarvenpaa. "Information technology alignment or “fit” in highly turbulent environments." In the 1994 computer personnel research conference. New York, New York, USA: ACM Press, 1994. http://dx.doi.org/10.1145/186281.186286.

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Pisano, William, and Dale Lawrence. "Control Limitations of Small Unmanned Aerial Vehicles in Turbulent Environments." In AIAA Guidance, Navigation, and Control Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2009. http://dx.doi.org/10.2514/6.2009-5909.

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Palframan, Mark C., and Craig A. Woolsey. "UAS Source Localization with High Latency Sensors in Turbulent Environments." In AIAA Guidance, Navigation, and Control Conference. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2014. http://dx.doi.org/10.2514/6.2014-0605.

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Li, Qian, Venugopal Vengatesan, and Nigel Barltrop. "Combined Wave-Current-Turbulent Flow Environments Generation for Tidal Turbine Design." In ASME 2020 39th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/omae2020-19109.

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Abstract In this paper, a methodology to generate combined wave, tidal current and turbulent flow environment for application to determining hydrodynamic loading on a horizontal axis Tidal Stream Turbine (TST) is proposed. A systematic investigation has been conducted within the framework of OpenFAST software suite. Necessary modifications in OpenFAST tool is made to simulate the hydrodynamics of the TST under combined wave-current-turbulence conditions. The modified software will be able to generate the inflow conditions for the TST accounting for the regular and irregular wave and current interactions, and, involve the impact of ambient turbulence on the loadings of TST. The modified algorithm is validated by comparing the numerical results with experimental test data and other numerical simulation results. Good agreements are achieved for both regular and irregular wave kinematics in time-domain and flow velocity/elevation spectra in the frequency domain. Also, each of the wave-current configuration has been tested with different turbulence intensities. The results suggests that the wave kinematics is greatly altered when waves propagating on currents and wave travelling on the following and opposing directions current shows remarkably different characteristics in relation to wave amplitude and frequency. It is also found that combined wave-current flow with different turbulence levels have strong correlations with the flow properties which is important for TST fatigue prediction. All the conclusions emphasis the fact that proper wave-current-turbulence interactions should be included in TST modelling.
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Borgman, Hans P., Hauke Heier, and Bouchaib Bahli. "Paradise by the Dashboard Light: Designing Governance Metrics in Turbulent Environments." In 2012 45th Hawaii International Conference on System Sciences (HICSS). IEEE, 2012. http://dx.doi.org/10.1109/hicss.2012.465.

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Reports on the topic "Turbulent environments"

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Nagahi, Morteza, Raed Jaradat, Safae El Amrani, Michael Hamilton, and Simon Goerger. Holistic and reductionist thinker : a comparison study based on individuals’ skillset and personality types. Engineer Research and Development Center (U.S.), May 2021. http://dx.doi.org/10.21079/11681/40746.

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As organizations operate in turbulent and complex environments, it has become a necessity to assess the systems thinking (ST) skills, personality types (PTs), and demographics of practitioners. In this study, we investigated the relationship between practitioners’ ST profile, their PTs profiles and demographic characteristics in the domain of complex system problems. The objective of this study is to address the current gap in the literature – lack of studies dedicated to predicting practitioners’ ST profile based on their PTs and demographics characteristics. A total of 258 practitioners with different demographics and PTs provided the data. The results show that (1) practitioners can be classified based on their ST skills scores into two clusters: holistic and reductionist (that is, ST profile), (2) each cluster has different PTs profiles and demographic characteristics, and (3) practitioner’s ST profile can be predicted, with good accuracy, based on their PTs profile and demographic characteristics.
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Trowbridge, John, and W. R. Geyer. Quantifying Turbulence in the Coastal Environment. Fort Belvoir, VA: Defense Technical Information Center, August 2008. http://dx.doi.org/10.21236/ada486658.

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Trowbridge, John, and W. R. Geyer. Quantifying Turbulence in the Coastal Environment. Fort Belvoir, VA: Defense Technical Information Center, September 2007. http://dx.doi.org/10.21236/ada573278.

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Onishi, Y., D. C. Dummuller, D. S. Trent, Washington State Univ., Pullman, WA (USA), and Pacific Northwest Lab., Richland, WA (USA)). Preliminary testing of turbulence and radionuclide transport modeling in deep ocean environment. Office of Scientific and Technical Information (OSTI), March 1989. http://dx.doi.org/10.2172/5624007.

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Chang, Thomas T. Multiscale, Intermittent, Turbulent Fluctuations in Space Plasmas and Their Influence on the Interscale Behavior of the Space Environment. Fort Belvoir, VA: Defense Technical Information Center, June 2012. http://dx.doi.org/10.21236/ada564380.

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Ames, Forrest, and Jeffrey Bons. Cooling Strategies for Vane Leading Edges in a Syngas Environment Including Effects of Deposition and Turbulence. Office of Scientific and Technical Information (OSTI), September 2014. http://dx.doi.org/10.2172/1172298.

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