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Lifting line theory supposes wings that are long and thin with negligible fuselage, akin to a thin bar (the eponymous "lifting line") of span 2s driven through the fluid. . From the Kutta–Joukowski theorem, the lift L(y) on a 2-dimensional segment of the wing at distance y from the fuselage is proportional to the circulation Γ(y) about the bar a
Kutta–Joukowski theorem relates lift to circulation much like the Magnus effect relates side force (called Magnus force) to rotation. [3] However, the circulation here is not induced by rotation of the airfoil. The fluid flow in the presence of the airfoil can be considered to be the superposition of a translational flow and a rotating flow.
The total cost curve, if non-linear, can represent increasing and diminishing marginal returns.. The short-run total cost (SRTC) and long-run total cost (LRTC) curves are increasing in the quantity of output produced because producing more output requires more labor usage in both the short and long runs, and because in the long run producing more output involves using more of the physical ...
A gun-toting female teenage student at a Christian school in Madison, Wis., shot dead another teen pupil and a teacher there Monday morning, according to police and the AP.
The two married in 2017. In June, Lipinski spoke with PEOPLE, sharing that after a 5-year-long struggle with infertility , celebrating her first Mother’s Day felt “surreal.”
Stokes' law is the basis of the falling-sphere viscometer, in which the fluid is stationary in a vertical glass tube. A sphere of known size and density is allowed to descend through the liquid. If correctly selected, it reaches terminal velocity, which can be measured by the time it takes to pass two marks on the tube.
A six-month pregnant teacher from California has died in hospital after falling down a gorge while hiking in Greece, according to reports. Clara Thomann, 33, from Santa Barbara was left critically ...
Here, f i is the externally applied force in the ith direction, L i is a linear dimension, k is the Boltzmann constant, K is a constant related to the number of possible network configurations of the sample, T is the absolute temperature, L i 0 is an unstretched dimension, p is the internal (hydrostatic) pressure, and V is the volume of the ...