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Momentum fluxes for creeping flow into a slot (Fig. 3.B-7). An incompressible Newtonian liquid is flowing very slowly into a thin slot of thickness 2B (in the y direction) and width W (in the z direction). The mass rate of flow in the slot is w. From the results of Problem 2B.3 it can be shown that the velocity distribution within the slot is at locations not too near the inlet. In the region outside the slot the components of the velocity for creeping flow are Equations 3B.7-1 to 4 are only approximate in the region near the slot entry for both x > 0 and x < 0.="" fig.="" 3b.7="" flow="" of="" a="" liquid="" into="" a="" slot="" from="" a="" semi-infinite="" region="" x=""><>
(a) Find the components of the convective momentum flux pvv inside and outside the slot. (b) Evaluate the xx-component of pvv at x = - a, y = 0. (c) Evaluate the xy-component of pvv at x = - a, y = +a. (d) Does the total flow of kinetic energy through the plane x = - a equal the total flow of kinetic energy through the slot?
Use the Gibbs phase rule to determine how many degrees of freedom exist for the system at equilibrium. State the meaning of your result in your own words.
Handling operations for solid/powder substances are often a source of dust generation and are a source of exposure to hazardous substances in industries. Describe in details the measures that can be taken to prevent exposure during the following s..
Mass of Compound Needed to Prepare 1 oz of a 10% Solution Hydroquinone, USP
The fluoride mixture is then enriched through a multistage diffusion process to produce a 3% 235U nuclear fuel. The diffusion process utilizes Graham's law of effusion (see Chapter 5, Section 5.7). Explain how Graham's law of effusion allows natur..
A storage tank for concentrated nitric acid will be constructed from aluminum to resist corrosion. The tank is to have an inside diameter of 6 m and a height of 17 m. The maximum liquid level in the tank will be at 16 m.
Styrene can be made by catalytic dehydrogenation of ethyl benzene. The reaction is usually carried out in the presence of steam, which acts as a heat carrier and reduces coking on the catalyst.
Radioactive cobalt-60 is used to study defects in vitamin B12 absorption because cobalt is the metallic atom at the center of the vitamin B12 molecule. The nuclear synthesis of this cobalt isotope involves a three-step process. The overall reactio..
Suppose that R2 is decreased to 0.5 min/ft2. Compare the old and new values of the ultimate gain and the critical frequency. Would you expect the control system performance to become better or worse, justify your answer.
The amount of KOH solution required per hour. the adiabatic temperature of the reaction (no cooling is used
How many of the following ground state electron configurations are allowed? 1s22s22p7 1s22s22p62d1
If an externally applied electric field produces a 5% expansion of the lattice, compute the dipole moment for each Na+-Cl- pair. Assume that this material is completely unpolarized in the absence of an electric field.
Problem 2: Methane containing 4 mol% N2 is flowing through a pipleline at 105.1 kpa and 22 °C. To check this flow rate, N2 at the same temperature and pressure are introduced to the pipleline at the rate of 2.83 m3/min.
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