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Question: Work Problem but let the fluid be air and the stagnation pressure and temperature be 2100 kPa and 1275 K, respectively. Calculate the displacement thickness of the boundary layer at the throat of the nozzle. Is any correction to the mass flow rate warranted on the basis of this latter calculation?
Problem: A nuclear rocket nozzle of circular cross section has the geometry shown in Fig. The working fluid is helium, and the stagnation pressure and temperature are 2100 kPa and 2475 K, respectively. Assuming one dimensional isentropic flow, constant specific heats, and a specific heat ratio of 1.67, calculate the mass flow rate and the gas pressure, temperature, and density as functions of distance along the axis. Then, assuming that a laminar boundary layer originates at the corner where the convergence starts, calculate the momentum thickness of the boundary layer and the momentum thickness Reynolds number as functions of
distance along the surface. Assume that a transition to a turbulent boundary layer takes place if and when the momentum thickness Reynolds number exceeds 162. An approximate analysis may be carried out on the assumption of constant fluid properties, in which case let the properties be those obtaining at the throat. Alternatively, a better approximation can be based on the results of Prob. 11·5. In either case it may be assumed that the viscosity varies approximately linearly from µ = 5.9 x 10-5 Ns/m2 at 1400 K to fl = 8.3 X 10-5 Ns/m" at 2500 K.
Discuss the issues the project manager must consider when assigning programming tasks to the programmers.
Utilize routers for connectivity devices instead of hubs
Write down a C++ program that will search a file of numbers of type int and write the largest and the smallest numbers to the screen. The file contains nothing but numbers of type int separated by blanks or line breaks.
It is said that there is a dual definition of what an operating system must do. The first one is to present a "virtual machine" to the user which isolates him/her from bare-bones hardware and is user friendly and effective.
Write a program that computes the amount of money the computer club will receive from proceeds of their granola bar sales project.
Program code can be organized by the use of functions. What are the criteria on creating functions? For example, do you limit the function to a certain number of lines of code, to a set of common function.
assume that we compare the insertion sort method. while classification with merge requires 64n*lg(n) steps. For which values of n, does insertion sort method outclass the merge sort process.
Record the total number of processes that are actively running. Record the single process that is using the most memory. Exploring the Activity Monitor (Screenshot and written response required).
write a six to eightnbsp page paper in which youprovide at least three various reasons why some health care
Write down a C program that displays a title, "Currency Conversion," and then write the names of five currencies and their equivalents to the US dollar. The conversions are hard coded equations.
question 1 write a program that gives the following table. use single cout statement and
Recommend an additional service to add to the DMS Website. Critique the merits of the major services found on the DMS Website.
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