A 2-D (x and y) velocity field varies with space and time and can de descibed...
Given that the magnetic field varies as a function of time B = 175 sin (2 pi t) Teslas, what is the expression for the electric field as a function of time?
Given the velocity potential for a 2-D incompressible flow, (x, y) = xy + x2 - y2 (a) Does the potential satisfy the Laplace Equation (i.e. V20 = 0)? What is the physical intepretation of this? (b) Find u(x,y) and v(x,y) (the corresponding velocity field of the flow). (c) Does the stream function y (x,y) exist? If so: (a) Find the stream function. (b) Find the implicit equation of streamline that passes through (x,y) = (1, 2).
The nozzle in the figure is shaped such that the velocity of flow varies linearly from the base of the nozzle to its tip. At the base, diameter is D and x=0, and at the tip, diameter is d and x=L. The velocity at any distance x is assumed to be the same over the cross section. The velocity at the base is 2t (ft/s) and at the tip is 5t (ft/s), where t is tiime in seconds (s). L...
The velocity field of a flow is given by V = (2+1) x y2 i + (3+2) t j m/s where x and y is in meter and t in seconds. Determine the following at point (1, 2) and t= 3 s: 1. The fluid speed. 2. The angle between the velocity vector and the positive x 3. Locations (if avaliable) of any stagnation point for this flow field? 4. The local acceleration, then classiffy the flow . 5. The...
4. A source is located at (x,y) = (-3,+2) next to a corner as shown. y= +2 x axis 77 X =- (x,y) = (0,0) y axis a) what is the stream function for the entire field b) what is the velocity potential function for the entire field c) what is the u velocity component for the entire field d) what is the v velocity component for the entire field e) what is the velocity along both walls (can be...
The vector position of a particle varies in time according to the expression r = 8.20 i-5.60p j where r is in meters and t is in seconds. (a) Find an expression for the velocity of the particle as a function of time. (Use any variable or symbol stated above as necessary.) x m/s Determine the acceleration of the particle as a function of time. (Use any variable or symbol stated above as necessary.) X m/s2 (c) Calculate the particle's...
2. A velocity field is proposed to be x + y x + y (a) Is this a possible incompressible flow? (b) If so, find the pressure gradient Vp assuming a frictionless air flow with the z-axis vertical. Use ρ= 1.23 kg/m3, and assume ğ--gk . (5 pt)
Let (X, d) be a discrete space and let (Y, d′) be any metric space. Prove that any function f : (X, d) → (Y, d′) is continuous. (Namely, any function from a discrete space to any metric space is continuous.)
Given the velocity field V = 101 +(x² + y2); - 2xy k [m/s] a) b) c) Is the flow steady or unsteady? Is this motion kinematically possible for an incompressible fluid? Do you think that velocity field can represent a potential flow at specific positions of(x,y)? What is the acceleration of a particle at position (x, y, z) = (3, 1, 0) m? d)
A steady, incompressible, two-dimensional (in the x-y plane) velocity field is given by V = (0.523-1.88x + 3.94y) i + (-2.44 + 1.26x + 1.88y) j . Calculate the acceleration at the point (x,y-(2, 3) The acceleration components are ax Acceleration components at (2, 3) are