Question

A fluid with discharge of 5 m3

/sec enters a nozzle. The x-area varies with x as =

1

1+2

Assuming the flow to be steady & 1D. Find the acceleration at any point in the nozzle.

​

Answer 1

Explanation:

Compressible Flow Chapter 7 Fluid Mechanics (MEng 2113) Mechanical Engineering Department Prepared by: Addisu Dagne May 2017

2. Contents of the Chapter  Introduction  Thermodynamic Relations  Stagnation Properties  Speed of Sound and Mach number  One Dimensional Isentropic flow: Effect of area changes of flow parameters  Converging Nozzle: Effect of back pressure on flow parameters  Converging-Diverging Nozzles  Normal shock waves; Fanno and Rayleigh lines  Oblique shock waves 2

3. Introduction  Flows that involve significant changes in density are called compressible flows.  Therefore, ρ(x, y, z) must now be treated as a field variable rather than simply a constant.  Typically, significant density variations start to appear when the flow Mach number exceeds 0.3 or so. The effects become especially large when the Mach number approaches and exceeds unity.  In this chapter we will consider flows that involve significant changes in density. Such flows are called compressible flows, and they are frequently encountered in devices that involve the flow of gases at very high speeds such as flows in gas turbine engine components . Many aircraft fly fast enough to involve compressible

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Answer 2

Answer:

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