A vortex of strength Γ, represents a rotational flow pattern in a fluid where the fluid particles circulate around a central axis. The strength of the vortex quantifies the intensity or magnitude of the circulation around this axis. Γ vortex strength r is the radial distance from the center of the vortex. Vθ is the […]
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The velocity potential (φ) is a fundamental concept in fluid dynamics that describes irrotational flow patterns, where the fluid particles move without any rotation (vorticity). In the context of vortex flow, the velocity potential is often not defined because vortex flow, by its nature, involves vorticity and rotational motion. In irrotational flow (which can be
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The streamlines of a doublet flow refer to the imaginary curves that depict the paths followed by fluid particles in a flow field created by a doublet. A doublet is a theoretical idealization of fluid flow that consists of a combination of a source (emission of fluid) and a sink (absorption of fluid) placed close
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The velocity potential (φ) for a doublet in fluid dynamics is a scalar function used to describe the irrotational flow pattern created by a doublet source-sink combination. A doublet is a hypothetical flow pattern that consists of a source (a point that emits fluid) and a sink (a point that absorbs fluid) of equal strength
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The stream function (ψ) is a concept used in fluid dynamics to describe the flow of an incompressible and irrotational fluid in two dimensions. It’s a mathematical function that helps visualize and analyze fluid motion. 𝜓 is the stream function V∞ is the free-stream velocity r is the radial distance from the origin (center) of
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At the bottom of the loop, the aircraft is usually experiencing maximum positive G-forces (acceleration) pushing the pilot and the aircraft downward. The lift force provided by the wings must counteract the increased weight due to these G-forces, along with the aircraft’s normal weight. L means lift required is maximum at the bottom of the
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The stream function (ψ) is a dimensionless quantity in fluid dynamics. It is used to describe the flow pattern of an incompressible and irrotational fluid in two dimensions. The stream function (ψ) is a concept used in fluid dynamics to describe the flow of an incompressible and irrotational fluid in two dimensions. It’s a mathematical
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Volume flow rate per unit length (Λ) is a measure of the amount of fluid that passes through a specific cross-sectional area of a pipe or conduit per unit length of that pipe. It is a parameter used to characterize and compare fluid flow in different pipes or channels while accounting for their varying lengths.
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The term “Volume flow rate per unit length” refers to the amount of fluid that flows through a given cross-sectional area in a pipe or conduit per unit length of that pipe. It is often denoted by the symbol Λ (capital lambda). Volume flow rate per unit length (Λ) is a measure of the amount
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Rate of volume flow, which is the amount of fluid passing through a specific point in a system per unit of time. It represents the quantity of fluid moving through a specific point in a system. It describes how much volume of fluid is transported through a particular cross-sectional area over a given time interval.
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