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It is proposed that a two-dimensional, incompressible flow field be described by the velocity components
where A and B are both positive constants.
(a) Will the continuity equation be satisfied?
(b) Is the flow irrotational?
(c) Determine the equation for the streamlines and show a sketch of the streamline that passes through the origin. Indicate the direction of flow along this streamline.
the absolute Mach number of the flow at the impeller tip given that the radial velocity at that location is 30 m/s;
Immediately before failure, the testing machine records a force (F) of 50N, and a deformation (δ) of 2mm. We need to determine the maximum flexural strength (σ)
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a rigid tank is divided into two equal parts by a partition. one part of the tank contains 2.5 kg of compressed liquid
Specify the proper fail-safe action for the valves in the following services. Please explain your reasons. A valve manipulates the flow of natural gas (combustible) to a furnace. Another valve manipulates the flow of combustion air to the same fur..
copper has a melting point of 1085 oc. consider molten copper is cooled from 1200oc.a is homogeneous nucleation
consider a space ship in a stationary orbit around a planet. the potential energy of the ship is u-kmr where kgm is
A constant-volume tank contains 5 kg of air at 100 kPa and 327°C. The air is cooled to the surroundings temperature of 27°C. Assume constant specific heats at 300 K.
Suppose that your body temperature is 300 K and that of your environment is 273 K (freezing point). Your body's emissivity is 1 and its srface area is 2 m2.
Calculate the nominal value of the source counting rate and the uncertainty in the rate. Apply Chauvenet's criterion to eliminate some of the data if necessary. Assume that the Poisson distribution applies.
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