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3B.11 Radial flow between two coaxial cylinders. Consider an incompressible fluid, at constant temperature,...
Radial flow between two coaxial cylinders. Consider an incompressible fluid, at constant temperature, flowing radially between...
Radial flow between two coaxial cylinders. Consider an incompressible fluid, at constant temperature, flowing radially between two porous cylindrical shells with inner and outer radii xR and R (a) Show that the equation of continuity leads to V C/r where C is a constant (b) Simplify the components of the equation of motion to obtain the following expressions for the modified-pressure distribution: ds dr dz (c) Integrate the expression for dP/dr above to get (d) Write out all the nonzero...
3.0, Radial Flow between Concentric Spheres Consider an isothermal, incompressible fluid flowing radially between t...
3.0, Radial Flow between Concentric Spheres Consider an isothermal, incompressible fluid flowing radially between two concentric porous spherical shells. (See Fig. 3.0.) Assume stecady laminar flow withu- ul) Direction of flow flow between concentric porous spheres. Fig. 10. Radial Note that here the velocity is not assumed zero at the solid surfaces. Show by use of the cquation of continuity that a. (3.0- where y is a constant. b. Show by use of the equations of motion that the pressure...
4. Consider the situation of radial flow between two concentric cylinders. The outer cylinder has a...
4. Consider the situation of radial flow between two concentric cylinders. The outer cylinder has a radius of R and the inner cylinder has a radius KR. Assume flow is only in the radial direction and assume v, = v(r). Use the continuity equation and the relevant momentum balance equations to derive an expression for the pressure difference Pi-Po between the outer and inner cylinders as a function of the volumetric flow rate with L being the length of the...
Tangential laminar flow of a Newtonian fluid with constant density and occurring between two vertical coaxial...
Tangential laminar flow of a Newtonian fluid with constant density and occurring between two vertical coaxial cylinders in which the outer rotating with an angular velocity of ω and the inner cylinder is fixed a. Write the simplified continuity equation and the simplified momentum balance equations using necessary assumptions and determine the velocity. b. Determine the shear stress distributions for this flow. c. Calculate the necessary torque. outside cylinder rotates 2 inside cylinder Figure: Top view of the coaxial cylinders
Fluid is Non-Newtonian. (3) Consider the steady laminar flow between the coaxial cylinders shown below. The...
Fluid is Non-Newtonian.
(3) Consider the steady laminar flow between the coaxial cylinders shown below. The inner cylinder rotates with angular velocity 2 and the outer cylinder is stationary. The no-slip condition applies at the inner and outer cylinder surfaces and we are considering the cylinders to be very long in the 2-direction hence we may ignore edge effects near the top and bottom surfaces. - R2 Assume that gravity is negligible, v, is zero and that are zero for...
Consider the steady laminar flow between the coaxial cylinders shown below. The inner cylinder rotates with angular velocity Omega and the outer cylinder is stationary. The no-slip condition applies a...
Consider the steady laminar flow between the coaxial cylinders shown below. The inner cylinder rotates with angular velocity Omega and the outer cylinder is stationary. The no-slip condition applies at the inner and outer cylinder surfaces and we are considering the cylinders to be very long in the z-direction, hence we may ignore edge effects near the top and bottom surfaces. a) What are the boundary conditions on the cylinder surfaces at r=R1 , and r= R2 b) Simplify and...
Fluid in Fig.3B.4. Creeping flow in the re- gion between two stationary con- centric spheres Fluid...
Fluid in Fig.3B.4. Creeping flow in the re- gion between two stationary con- centric spheres Fluid out 2e 3B.4 Creeping flow between two concentric spheres (Fig. 3B.4). A very viscous Newtonian fluid flows in the space between two concentric spheres, as shown in the fig- ure. It is desired to find the rate of flow in the system as a function of the imposed pressure difference. Neglect end effects and postulate that depends only on r and θ with the...
Consider a medical device where blood is circulated in the annular space between two coaxial cyli...
do
the second prob pic
Consider a medical device where blood is circulated in the annular space between two coaxial cylinders (Figure 1). The inner cylinder (radius cylinder (radius R) is rotating with constant anacibeNewtonian fluid (density o. are infinitely long, and that blood behaves as an tncompcessiole viscosity . Ignore the effect of gravity. whereas the outer velocity oAssume that the cylinders 1a. Write a conservation equations appropriate to determine the fluid velocity profile insido the annular gap, along...
Consider a cylindrical capacitor like that shown in Fig. 24.6. Let d = rb − ra...
Consider a cylindrical capacitor like that shown in Fig. 24.6. Let d = rb − ra be the spacing between the inner and outer conductors. (a) Let the radii of the two conductors be only slightly different, so that d << ra. Show that the result derived in Example 24.4 (Section 24.1) for the capacitance of a cylindrical capacitor then reduces to Eq. (24.2), the equation for the capacitance of a parallel-plate capacitor, with A being the surface area of...
Radial flow between two coaxial cylinders. Consider an incompressible fluid, at constant temperature, flowing radially between two porous cylindrical shells with inner and outer radii xR and R (a) Show that the equation of continuity leads to V C/r where C is a constant (b) Simplify the components of the equation of motion to obtain the following expressions for the modified-pressure distribution: ds dr dz (c) Integrate the expression for dP/dr above to get (d) Write out all the nonzero...
3.0, Radial Flow between Concentric Spheres Consider an isothermal, incompressible fluid flowing radially between two concentric porous spherical shells. (See Fig. 3.0.) Assume stecady laminar flow withu- ul) Direction of flow flow between concentric porous spheres. Fig. 10. Radial Note that here the velocity is not assumed zero at the solid surfaces. Show by use of the cquation of continuity that a. (3.0- where y is a constant. b. Show by use of the equations of motion that the pressure...
4. Consider the situation of radial flow between two concentric cylinders. The outer cylinder has a radius of R and the inner cylinder has a radius KR. Assume flow is only in the radial direction and assume v, = v(r). Use the continuity equation and the relevant momentum balance equations to derive an expression for the pressure difference Pi-Po between the outer and inner cylinders as a function of the volumetric flow rate with L being the length of the...
Tangential laminar flow of a Newtonian fluid with constant density and occurring between two vertical coaxial cylinders in which the outer rotating with an angular velocity of ω and the inner cylinder is fixed a. Write the simplified continuity equation and the simplified momentum balance equations using necessary assumptions and determine the velocity. b. Determine the shear stress distributions for this flow. c. Calculate the necessary torque. outside cylinder rotates 2 inside cylinder Figure: Top view of the coaxial cylinders
Fluid is Non-Newtonian.
(3) Consider the steady laminar flow between the coaxial cylinders shown below. The inner cylinder rotates with angular velocity 2 and the outer cylinder is stationary. The no-slip condition applies at the inner and outer cylinder surfaces and we are considering the cylinders to be very long in the 2-direction hence we may ignore edge effects near the top and bottom surfaces. - R2 Assume that gravity is negligible, v, is zero and that are zero for...
Fluid in Fig.3B.4. Creeping flow in the re- gion between two stationary con- centric spheres Fluid out 2e 3B.4 Creeping flow between two concentric spheres (Fig. 3B.4). A very viscous Newtonian fluid flows in the space between two concentric spheres, as shown in the fig- ure. It is desired to find the rate of flow in the system as a function of the imposed pressure difference. Neglect end effects and postulate that depends only on r and θ with the...
do
the second prob pic
Consider a medical device where blood is circulated in the annular space between two coaxial cylinders (Figure 1). The inner cylinder (radius cylinder (radius R) is rotating with constant anacibeNewtonian fluid (density o. are infinitely long, and that blood behaves as an tncompcessiole viscosity . Ignore the effect of gravity. whereas the outer velocity oAssume that the cylinders 1a. Write a conservation equations appropriate to determine the fluid velocity profile insido the annular gap, along...
Consider a cylindrical capacitor like that shown in Fig. 24.6. Let d = rb − ra be the spacing between the inner and outer conductors. (a) Let the radii of the two conductors be only slightly different, so that d << ra. Show that the result derived in Example 24.4 (Section 24.1) for the capacitance of a cylindrical capacitor then reduces to Eq. (24.2), the equation for the capacitance of a parallel-plate capacitor, with A being the surface area of...
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