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Questions and Answers
In potential flow of a fluid with a region of vorticity, what can be said about closed curves that enclose the vorticity?
In potential flow of a fluid with a region of vorticity, what can be said about closed curves that enclose the vorticity?
- Their circulation values depend on the fluid viscosity
- They have the same value for circulation (correct)
- They have different values for circulation based on their size
- They do not have any circulation
What does the Kutta–Joukowski theorem in fluid dynamics state about the relationship between lift per unit span (L') and circulation (Γ)?
What does the Kutta–Joukowski theorem in fluid dynamics state about the relationship between lift per unit span (L') and circulation (Γ)?
- $L' = k ext{Γ}$, where k is a constant (correct)
- $L' = rac{1}{ ext{Γ}}$
- $L' = ext{Γ}^2$
- $L' = rac{ ext{Γ}}{k}$, where k is a constant
What is the relationship between circulation and curl or vorticity according to Stokes' theorem?
What is the relationship between circulation and curl or vorticity according to Stokes' theorem?
- The flux of curl or vorticity vectors through a surface S is unrelated to the circulation around its perimeter
- The flux of curl or vorticity vectors through a surface S is equal to the double of the circulation around its perimeter
- The flux of curl or vorticity vectors through a surface S is equal to the circulation around its perimeter (correct)
- The flux of curl or vorticity vectors through a surface S is inversely proportional to the circulation around its perimeter
What does Stokes' theorem relate about the flux of curl or vorticity vectors through a surface S and the circulation around its perimeter?
What does Stokes' theorem relate about the flux of curl or vorticity vectors through a surface S and the circulation around its perimeter?
How are curl and vorticity related to circulation per unit area?
How are curl and vorticity related to circulation per unit area?
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