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Concentrating on a task, one aspect of flow. Flow in positive psychology, also known colloquially as being in the zone or locked in, is the mental state in which a person performing some activity is fully immersed in a feeling of energized focus, full involvement, and enjoyment in the process of the activity.
Stateflow (developed by MathWorks) is a control logic tool used to model reactive systems via state machines and flow charts within a Simulink model. Stateflow uses a variant of the finite-state machine notation established by David Harel, enabling the representation of hierarchy, parallelism and history within a state chart.
The flow state is colloquially known as being in the zone or in the groove. [17] It is an optimal state of intrinsic motivation , where the person is fully immersed in what they are doing. [ 17 ] This is a feeling everyone has at times, characterized by a feeling of great absorption, engagement, fulfillment, and skill—and during which ...
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Dimensionless numbers (or characteristic numbers) have an important role in analyzing the behavior of fluids and their flow as well as in other transport phenomena. [1] They include the Reynolds and the Mach numbers, which describe as ratios the relative magnitude of fluid and physical system characteristics, such as density, viscosity, speed of sound, and flow speed.
Depending on the Richardson number, the boundary layer at the cold plate exhibits a lower velocity than the free stream, or even accelerates in the opposite direction. This second mixed convection case therefore experiences strong shear in the boundary layer and quickly transitions into a turbulent flow state.
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In engineering, the Moody chart or Moody diagram (also Stanton diagram) is a graph in non-dimensional form that relates the Darcy–Weisbach friction factor f D, Reynolds number Re, and surface roughness for fully developed flow in a circular pipe. It can be used to predict pressure drop or flow rate down such a pipe.