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banerjeerupak
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Is it possible to look at a stream function and decide whether it is fully developed or not?
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A fully developed flow regime is a state of fluid flow in which the velocity, pressure, and other flow properties remain constant along the entire length of the flow. This means that the flow is not affected by changes in geometry, such as bends or expansions, and the flow profile is fully developed.
A developing flow regime is a state of fluid flow in which the flow properties change along the length of the flow. This is usually due to changes in geometry, such as bends or expansions, or due to changes in flow rate. In contrast, a fully developed flow regime is characterized by constant flow properties along the entire length of the flow.
The development of a fully developed flow regime is affected by the fluid properties, such as viscosity and density, as well as the flow rate and geometry. The flow properties of the fluid and the flow rate determine how quickly the flow becomes fully developed, while the geometry of the flow affects the length of the flow required for full development.
A fully developed flow regime is important in fluid mechanics because it allows for accurate and predictable calculations of flow properties. In many engineering applications, it is desirable to have a fully developed flow regime in order to reduce the effects of turbulence and make calculations simpler. Additionally, fully developed flow regimes are often used as a reference state for comparing and analyzing other flow regimes.
No, a fully developed flow regime can only occur in certain types of flows, such as laminar and turbulent flows. It is not possible to have a fully developed flow regime in flows that are unsteady or have significant changes in geometry. Additionally, the flow properties of the fluid must remain constant for a fully developed flow regime to occur.