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the - velocity of of points A and B are both equal to 2(2). calculate The...
As shown in Fig. 1, the local velocity profile on a flat plate boundary layer is...
As shown in Fig. 1, the local velocity profile on a flat plate boundary layer is uz(x, y)/V = an+bn', where 7 = y/8(x) is a non-dimensional vertical coordinate, 8(x) is the boundary-layer 00 thickness, x is the streamwise coordinate, y is the coordinate normal to the wall, and V is the freestream velocity. (a) Calculate the local skin friction drag using the following momentum integral formula (Hint: x and 8(x) are treated as constants in the integral) (15 points)...
A general equation for a steady, two-dimensional velocity field that is linear in both spatial directions...
A general equation for a steady, two-dimensional velocity field that is linear in both spatial directions (x and y) is -(u,v)-(U+a+by)+(Va+b,y)j where U and V and the coefficients are constants. Their dimensions are assumed to be appropriately defined. a) Calculate the x- and y-components of the acceleration field. b) What relationship must exist between the coefficients to ensure that the flow field is incompressible? c) Calculate the linear strain rates in the x- and y directions. d) Calculate the shear...
2. Calculate the velocity at each time (except the first and the last one) by using values immedi...
2. Calculate the velocity at each time (except the first and the last one) by using values immediately after and before those times: the tn-- For example, the velocity at point 2 is n Time t (s) Position x (m) Velocity v (m/s) vt (unit-mls) aGou .245 8 3,abus 1.553 3. calculate v/t (what are the units?) and write it in column 5 of the table above. Calculate its average and its uncertainty: Average uncertainty: 4. On the graph paper,...
how to solve this probelm with draw put 25 points [velocity , acceleration] at raduis L/2...
how to solve this probelm with draw
put 25 points [velocity , acceleration] at raduis L/2 ,L ,
3/2L , 2L
H-W. 405 5 Paint Example Consider the steady, two-dimensional flow field V = (V/C)(xi – yj) Determine the acceleration field for this flow, Solution OV V [ ᎧV u + + W- In general, the acceleration is given by DV a -= +(V. (V) = + ofix by öz where the velocity is given by V = (1/0)(xi -...
1. A general equation for a steady, two-dimensional velocity field that is linear in both spatial...
1. A general equation for a steady, two-dimensional velocity field that is linear in both spatial directions (x and y) is h) where U and V and the coefficients are constants. Their dimensions are assumed to be appropriately defined. a) Calculate the x- and y-components of the acceleration field b) What relationship must exist between the coefficients to ensure that the flow field is incompressible? c) Calculate the linear strain rates in the x- and y-directions. d) Calculate the shear...
n an ennivalent svstem with a single resultant Problem 2: (20 points) Both pulleys are fixed...
n an ennivalent svstem with a single resultant Problem 2: (20 points) Both pulleys are fixed to the shaft and as the shaft turns with constant angular velocity the power of pulley A is transmitted to pulley . Determine the horizontal tension T in the bel on pulley B and the x, y, z components of reactions at the journal bearing Cand D if ?-0°, FI-45 N, F2-60N,and F3 30 N. The bearings are in proper alignment and exert only...
Both pulleys are fixed to the shaft and as the shaft turns with constant angular velocity,...
Both pulleys are fixed to the shaft and as the shaft turns with constant angular velocity, the power of pulley A is transmittec to pulley B. Determine the horizontal tension T in the belt on pulley B and the x. y, z components of reaction at the journal bearing C and thrust bearing D. It is known that 0 15°, L 350mm. The bearings are in proper alignment and exert only force reactions on the shaft. Keep your final answers...
2. (20 points) According to classical macroeconomics policy, money supply shocks are "neutral" (a) Explain what...
2. (20 points) According to classical macroeconomics policy, money supply shocks are "neutral" (a) Explain what this means. (b) Based on that theory, how would a 5% increase in a nation's money supply affect its real wage rate (), all else equal? I (c) According to the quantatity of money, how would a 5% increase in money supply affect the price of goods and services (P), all else equal? (d) To be consistent with both theories, what would have to...
Question 6 of 8 Question 6 points Save Anawer At a given instant the top B...
Question 6 of 8 Question 6 points Save Anawer At a given instant the top B of the ladder has an acceleration ag the instant shown. Note motion to the left has negative velocity 1 ms and a velocilty of va 8m/s both acting downward. Determine the velocity (in ms) of the bottom A of the ladder at Question 5 of 8 Question 5 points Save Anwer At a given instant the top B of the ladder has an acceleration...
012 (part 1 of 2) 10.0 points The velocity of a sound wave traveling in the...
012 (part 1 of 2) 10.0 points The velocity of a sound wave traveling in the air depends on B, the bulk modulus, and p, the density of the air. The bulk modulus is defined by the variation of pressure AP. AV -B V AV is the fractional change V where of the volume. If v B p, choose the correct set of equa tions. The powers of r and y may be de- termined based on a dimensional analysis...
As shown in Fig. 1, the local velocity profile on a flat plate boundary layer is uz(x, y)/V = an+bn', where 7 = y/8(x) is a non-dimensional vertical coordinate, 8(x) is the boundary-layer 00 thickness, x is the streamwise coordinate, y is the coordinate normal to the wall, and V is the freestream velocity. (a) Calculate the local skin friction drag using the following momentum integral formula (Hint: x and 8(x) are treated as constants in the integral) (15 points)...
A general equation for a steady, two-dimensional velocity field that is linear in both spatial directions (x and y) is -(u,v)-(U+a+by)+(Va+b,y)j where U and V and the coefficients are constants. Their dimensions are assumed to be appropriately defined. a) Calculate the x- and y-components of the acceleration field. b) What relationship must exist between the coefficients to ensure that the flow field is incompressible? c) Calculate the linear strain rates in the x- and y directions. d) Calculate the shear...
2. Calculate the velocity at each time (except the first and the last one) by using values immediately after and before those times: the tn-- For example, the velocity at point 2 is n Time t (s) Position x (m) Velocity v (m/s) vt (unit-mls) aGou .245 8 3,abus 1.553 3. calculate v/t (what are the units?) and write it in column 5 of the table above. Calculate its average and its uncertainty: Average uncertainty: 4. On the graph paper,...
how to solve this probelm with draw
put 25 points [velocity , acceleration] at raduis L/2 ,L ,
3/2L , 2L
H-W. 405 5 Paint Example Consider the steady, two-dimensional flow field V = (V/C)(xi – yj) Determine the acceleration field for this flow, Solution OV V [ ᎧV u + + W- In general, the acceleration is given by DV a -= +(V. (V) = + ofix by öz where the velocity is given by V = (1/0)(xi -...
1. A general equation for a steady, two-dimensional velocity field that is linear in both spatial directions (x and y) is h) where U and V and the coefficients are constants. Their dimensions are assumed to be appropriately defined. a) Calculate the x- and y-components of the acceleration field b) What relationship must exist between the coefficients to ensure that the flow field is incompressible? c) Calculate the linear strain rates in the x- and y-directions. d) Calculate the shear...
n an ennivalent svstem with a single resultant Problem 2: (20 points) Both pulleys are fixed to the shaft and as the shaft turns with constant angular velocity the power of pulley A is transmitted to pulley . Determine the horizontal tension T in the bel on pulley B and the x, y, z components of reactions at the journal bearing Cand D if ?-0°, FI-45 N, F2-60N,and F3 30 N. The bearings are in proper alignment and exert only...
Both pulleys are fixed to the shaft and as the shaft turns with constant angular velocity, the power of pulley A is transmittec to pulley B. Determine the horizontal tension T in the belt on pulley B and the x. y, z components of reaction at the journal bearing C and thrust bearing D. It is known that 0 15°, L 350mm. The bearings are in proper alignment and exert only force reactions on the shaft. Keep your final answers...
2. (20 points) According to classical macroeconomics policy, money supply shocks are "neutral" (a) Explain what this means. (b) Based on that theory, how would a 5% increase in a nation's money supply affect its real wage rate (), all else equal? I (c) According to the quantatity of money, how would a 5% increase in money supply affect the price of goods and services (P), all else equal? (d) To be consistent with both theories, what would have to...
Question 6 of 8 Question 6 points Save Anawer At a given instant the top B of the ladder has an acceleration ag the instant shown. Note motion to the left has negative velocity 1 ms and a velocilty of va 8m/s both acting downward. Determine the velocity (in ms) of the bottom A of the ladder at Question 5 of 8 Question 5 points Save Anwer At a given instant the top B of the ladder has an acceleration...
012 (part 1 of 2) 10.0 points The velocity of a sound wave traveling in the air depends on B, the bulk modulus, and p, the density of the air. The bulk modulus is defined by the variation of pressure AP. AV -B V AV is the fractional change V where of the volume. If v B p, choose the correct set of equa tions. The powers of r and y may be de- termined based on a dimensional analysis...
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