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Flow research became prevalent in the 1980s and 1990s, with Csikszentmihályi and his colleagues in Italy still at the forefront. Researchers grew interested in optimal experiences and emphasizing positive experiences, especially in places such as schools and the business world. [9] They also began studying the theory of flow at this time. [10]
In the simplest case of a flat plate parallel to the incoming flow, boundary-layer theory results in (friction) drag, whereas all inviscid flow theories will predict zero drag. Importantly for aeronautics, Prandtl's theory can be applied directly to streamlined bodies like airfoils where, in addition to surface-friction drag, there is also form ...
Mihaly Robert Csikszentmihalyi (/ ˈ m iː h aɪ ˈ tʃ iː k s ɛ n t m iː ˌ h ɑː j iː / MEE-hy CHEEK-sent-mee-HAH-yee, Hungarian: Csíkszentmihályi Mihály Róbert, pronounced [ˈt͡ʃiːksɛntmihaːji ˈmihaːj] ⓘ; 29 September 1934 – 20 October 2021) was a Hungarian-American psychologist.
John Maxwell Cowley (18 February 1923 – 18 May 2004) was an American Regents Professor at Arizona State University. The John M. Cowley Center for High-Resolution Electron Microscopy at Arizona State is named in his honor.
Steven Cowley is a leading plasma theorist and currently chief executive officer at the UK Atomic Energy Authority. Much of his research career has been devoted to modelling and understanding plasma turbulence in nuclear fusion, a phenomenon that must be controlled to achieve stable fusion.
A key tool used to determine the stability of a flow is the Reynolds number (Re), first put forward by George Gabriel Stokes at the start of the 1850s. Associated with Osborne Reynolds who further developed the idea in the early 1880s, this dimensionless number gives the ratio of inertial terms and viscous terms. [4]
In dynamical systems theory, Conley index theory, named after Charles Conley, analyzes topological structure of invariant sets of diffeomorphisms and of smooth flows.It is a far-reaching generalization of the Hopf index theorem that predicts existence of fixed points of a flow inside a planar region in terms of information about its behavior on the boundary.
In non ideal fluid dynamics, the Hagen–Poiseuille equation, also known as the Hagen–Poiseuille law, Poiseuille law or Poiseuille equation, is a physical law that gives the pressure drop in an incompressible and Newtonian fluid in laminar flow flowing through a long cylindrical pipe of constant cross section.