Engineering, 26.07.2019 17:30 liyah2459
Steady flow is maintained between two concentric cylinders, which are rotating at constant angular velocity of one (while the other is stationary) or both cylinders. let the inner cylinder have a radius of ro, angular velocity c and temperature to, while the outer cylinder has r? ojand t, respectively. the geometry is such that the only nonzero velocity component is ue and the variables us t and p must be functions only of radius by integrating the ordinary differential equations, and based on the boundary conditions, obtain the velocity and thermal profiles: uθ(r) and t(r).
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Engineering, 04.07.2019 18:10
Determine whether or not it is possible to compress air adiabatically from k to 140 kpa and 400 k. what is the entropy change during this process?
Answers: 3
Engineering, 04.07.2019 18:10
Consider a large isothermal enclosure that is maintained at a uniform temperature of 2000 k. calculate the emissive power of the radiation that emerges from a small aperture on the enclosure surface. what is the wavelength ? , below which 10% of the emission is concentrated? what is the wavelength ? 2 above which 10% of the emission is concentrated? determine the wavelength at which maximum spectral emissive power occurs. what is the irradiation incident on a small object placed inside the enclosure?
Answers: 2
Engineering, 04.07.2019 18:10
Burgers vector is generally parallel to the dislocation line. a)-true b)-false
Answers: 2
Engineering, 04.07.2019 18:10
Calculate the bore of a cylinder that has a stroke of 18 inches and an extension time of 6 seconds at a flow rate of 4 gal/min.
Answers: 3
Steady flow is maintained between two concentric cylinders, which are rotating at constant angular v...
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