TAILIEUCHUNG - Lecture Companion site to accompany thermodynamics: An engineering approach (7/e): Chapter 17 - Yunus Çengel, Michael A. Boles

Chapter 17 - Compressible flow. After studying this chapter you will be able to: Develop the general relations for the thermodynamics of high-speed gas flow; introduce the concepts of stagnation state, velocity of sound, and Mach number for a compressible fluid; develop the relationships between the static and stagnation fluid properties for isentropic flows of ideal gases;. | Chapter 17 Compressible Flow Study Guide in PowerPoint to accompany Thermodynamics: An Engineering Approach, 7th edition by Yunus A. Çengel and Michael A. Boles Stagnation Properties Consider a fluid flowing into a diffuser at a velocity , temperature T, pressure P, and enthalpy h, etc. Here the ordinary properties T, P, h, etc. are called the static properties; that is, they are measured relative to the flow at the flow velocity. The diffuser is sufficiently long and the exit area is sufficiently large that the fluid is brought to rest (zero velocity) at the diffuser exit while no work or heat transfer is done. The resulting state is called the stagnation state. We apply the first law per unit mass for one entrance, one exit, and neglect the potential energies. Let the inlet state be unsubscripted and the exit or stagnation state have the subscript o. For more information and animations illustrating this topic visit the Animation Library developed by Professor S. .

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