Gas dynamics, fluid mechanics and Aerodynamics
Gas dynamics, fluid mechanics and Aerodynamics Hypersonic flow at M..=20, a = 0º pass over a...
1- Hypersonic flow at M.=20, a = 0º pass over a sphere-cylinder body shown in the following figure. Calculate wave drag coefficient of the body using modified Newtonian method. R R Q M = 20 L
1- Hypersonic flow at Moo=20, a = 0º pass over a sphere-cylinder body shown in the following figure. Calculate wave drag coefficient of the body using modified Newtonian method. R R M = 20 L
1. Inviscid incompressible fluid pass a cylinder having a radius of R as shown in the figure below. The fluid velocity along the dividing streamline is found to be V = V, (1-R /x) a) Determine the pressure gradient (ap/ ôx) along the streamline b) Obtain the pressure p(x) for - sxs-R c) Plot the pressure distribution froma distance 15 m ahead of the cylinder to the stagnation point for flow speeds of Vo 0, 10 km/hr and 20 km/hr...
ME420 Intermediate Fluid Mechanics Name B. Long answer questions (20 points each). 1. The figure below shows the streamlines for the flow past a spinning circular cylinder. In the cylindrical coordinates, the stream function can be written as ψ Uosine (r-7/-Kln (5). where R is the radius of the cylinder. Assuming that the pressure in the far upstream is po. find the pressure distribution on the surface. ME420 Intermediate Fluid Mechanics Name B. Long answer questions (20 points each). 1....
please help Question 1 1.1 If the velocity distribution of a fluid flowing over a 1m² flat plate is given by u=l+ y + y, find the m. Assume dynamic viscosity to be y=6x10*(Ns/m”). force acting on a plate at y = [5 marks] 1.2 A 2D velocity field in an incompressible flow was measured by PIV method and determined to follow the following functions u= 2x’ +2y and v=x - 4y. Check whether your measurements are correct at a...
2. (20 marks) The fully-developed, laminar fluid flow through a circular pipe is considered to be one dimensional with a velocity profile given by u(r) = Umax(1 - 52/R2), where R is the radius of the pipe, r is the radial distance from the center of the pipe, and Umax is the maximum flow velocity at the center of the pipe. a) Derive a relation for the drag force applied by the fluid on a section of the pipe of...
GAS DYNAMICS 3 M = 2.2 M, = 22 124 12 (a) (b) Figure 4.55 (a) One-shock spike, (b) two-shock spike diffuser. Figure 4.56 Supersonic flow past a sharp corner. M OM P12 м. 10° Figure 4.57 Flow through incident and reflected oblique shocks. M = 2.4 P1 = 101 kPa 10° Oblique Shock and Expansion Waves 219 Figure 4.58 Oblique shock reflection from a solid wall. M,=2.2 Po= 100 kPa M2 M 30° Air X Jet boundary Figure 4.59...
could you please make clear answer? 5. Flow over a Bod;y (a) The drag coefficient for a smooth sphere is shown in the figure below. Determine the speed at the critical Re for a 42 mm diameter sphere in air. (This is a golf ball sized object.) You may assume air at 60°F. 0.5 0.4 0.3 0.2 0.1 4 105 Re-Du/v 103 106 107 (b) Ģolthal, "dimples" cause the drag drop to occur at a lower Reynolds number. The table...
Fluid Mechanics Water at 20°Cis transported for 500 m in a 4-cm-diameter wrought iron horizontal pipe with a flow rate of 0003 mls. Calculate the pressure drop over the 500-m length of pipe. TABLE 10.4 Equivalent Sand-Grain Roughness, (k.), for Various Pipe Materials Boundary Material Glass, plastic Copper or brass tubing Wrought iron, steel Millimeters 0.00 (smooth) 0.0015 0.046 K, Inches 0.00 (smooth) 6 X 103 0.002
Alt 9) Gas A, in fully developed, laminar air flow, enters a tubular inhaler of A in radius and I in reacts at the inner wall of the inhaler to fom gas B. The per unit area is-r.-k"C. To obtain the Ca profile we do the shell rate of A balance of mass transfer, where the generation term is a catheter of radius Rc placed in a small artery of radius R as shown the moves at a constant speed...